Abstract:
A voice activated device for annunciating a message indicative of a distance of the device spaced from another location is disclosed. The device comprises a voice sensor for receiving a voice command requesting annunciation of a message indicative of the distance of the device spaced from the other location, converting circuitry coupled to the voice sensor for converting the received voice command to a corresponding electrical command, determining circuitry responsive to the electrical command for determining the distance of the device from the other location, and a speaker coupled to the determining circuitry for annunciating the message indicative of the determined distance of the device from the other location. The device may be used for informing a golfer of the golfer&#39;s distance from the pin.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims priority of U.S. utility application Ser. No. 11/417,740, filed May 4, 2006, and U.S. provisional patent application Ser. No. 61/160,528, filed Mar. 16, 2009, and Ser. No. 61/300,637, filed Feb. 2, 2010. 
     
    
     TECHNICAL FIELD 
       [0002]    This patent generally relates to a voice activated distance measuring device, such as for providing distance and other information to a golfer. 
       BACKGROUND OF THE INVENTION 
       [0003]    Range finding devices, such as the SkyCaddie range finder sold by Skyhawke Technologies, LLC (see www.skygolfgps.com), are known and provide information to golfers, such as the distance from a golfer&#39;s current location to a golf pin. However such devices require manual requests for information and provide only visual display of the requested information, which can be cumbersome to the golfers. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0004]    For a more complete understanding of this disclosure, reference should be made to the following detailed description and accompanying drawings wherein: 
           [0005]      FIG. 1  is a block diagram of a voice activated distance measuring device in accordance with the invention; 
           [0006]      FIGS. 2A-2B  illustrate perspective views of a voice activated distance measuring device that may be utilized in various types of devices according to various embodiments of the invention; 
           [0007]      FIG. 3  illustrates an aerial view of a representative golf course; 
           [0008]      FIG. 4  illustrates a flow diagram of a process for golf course data file search and load of one embodiment of the invention; 
           [0009]      FIG. 5  illustrates a golf course distance calculation program of one embodiment of the invention; 
           [0010]      FIG. 6  illustrates a flow diagram of a process using voice recognition/navigation technology of one embodiment of the invention; 
           [0011]      FIGS. 7A-7B  illustrate representative views of a golf course using a cone calculation of one embodiment of the invention; and 
           [0012]      FIG. 8  illustrates representative views of a golf course using a solid-state compass to create a measurement vector of one embodiment of the invention. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0013]    While this invention is susceptible of embodiment in many different forms, there will be described herein in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to the specific embodiments illustrated. 
         [0014]    Embodiments directed to a voice activated distance measuring device  10  that measures distances on a golf course and provides other relevant information are illustrated in the following figures. The device  10  may be useful for other applications, as well. The device  10  may use voice recognition/navigation technology and Global Positioning System (GPS) technology to provide a user, such as a golfer, with required data on the golf course and its parameters in a verbal electronically spoken form. As illustrated in  FIG. 2A , the device  10  may be incorporated into any type of body-worn device, such as a hat  52 , an earphone  52   a , a cellular phone  52   d , an eye-glass  52   c , a headset  52   b , or the like. The device  10  may alternatively use distance measuring technology such as infrared (IR), optics, Doppler acoustics and the like. 
         [0015]    Referring to  FIG. 1 , the device  10  may include a microprocessor  12 , such as model no. AS 3527 supplied by Austria Microsystem. The device  10  further includes a user input device  14 , a speaker  16 , a transducer  18 , a power source  20 , a GPS module  22 , a Wi-Fi module  24 , first and second antennas  22   a ,  24   b , and memory modules  26 ,  28  coupled to the microprocessor  12 . The first antenna  22   a  is coupled to the GPS module  22 , and the second antenna  24   b  is coupled to the Wi-Fi module  24 . The microprocessor  12  may include a synchronous serial port (SSP)  27 , a universal asynchronous receiver/transmitter (UART)  31 , a universal serial bus (USB)  29 , a power management module  30 , a navigation module  32 , a voice recognition module  34 , and other operating systems and applications  36 . An optional VoIP stack module (not shown, or the like may be provided in the device  10  to perform certain operations. 
         [0016]    Alternatively, an electronic, solid-state compass  35  may be integrated in the microprocessor  12  or may be a separate, or peripheral component, which is then coupled to the microprocessor  12 . The solid-state compass  35  may create a measurement vector in the direction at which the golfer is looking. In response to a voice command or a query, the solid state compass  35  may further identify hazard information such as trees, bushes, bunkers, and water in the direction at which the golfer is looking and may provide the identified hazard information to the golfer so that the golfer can place the golf ball safely in the next shot with confidence. 
         [0017]    The device  10  may incorporate voice recognition technology to accept voice commands from the user which are sensed by the transducer  18 , such as a bone conductance vibration sensor or a microphone, which drives the voice recognition module  34 . If the bone conductance vibration sensor  18  is used, the sensor may receive audio from the user directly from vibrations conducted through the skull of the user by direct mechanical contact of the sensor  18  to the user&#39;s forehead. The device  10  may respond to voice commands or queries such as “distance,” or any other such word or words. Commands may also be in the form of an electrical signal from a switch or any electrical pulse generated by touch or remote control. 
         [0018]    The device  10  may incorporate voice synthesis technology to provide an audible output by electronically produced spoken words, to provide distance and other information to the user via the speaker  16  or a listening device such as the headphone  52   b , following a command from the user. The output acoustics may be adjusted for volume level and frequency filtered for any particular user requirement or application. The device  10  may also provide in a verbal form possible targets such as green size, bunker location, and other information on the golf course parameters. 
         [0019]    The device  10  may also accept commands, store the commands and compute the commands, when prompted by the voice command or the electrical pulse generated by touch or remote control, to suggest user golf strategy, club selection, rules and other golf player needs. For example the user may verbally enter information, either directly or by a verbal prompt, such as the club selected for the shot. In the course of play to mark the ball location to determine the distance to a target or various objects, e.g. a bunker, or water, the GPS technology integrated in the device  10  may determine the actual distance traveled by the ball and its accuracy. Such distance is computed by the navigation module  32 , processes the data representing the distance before the data is transferred to the voice recognition module  34 . The voice recognition module  34  may convert the transferred data into an audible output before transmitting to the user. Information regarding weather conditions, such as wind speed and wind direction, may also be provided. Over time the device  10  may build a library of information regarding the golfer&#39;s personal shot results, such as how far does a ball typically travel, and how accurately, when hit with each club. The device  10  may calculate and memorize this information and function as an expert system to progressively learn the golfer&#39;s successes and failures to generate a strategic recommendation which may also be based on an algorithm which may be developed for this system. This information may be used to provide the golfer with recommendations for future golf shots based on the golfer&#39;s past performance. 
         [0020]    The golfer may enter any metric including swing speed, ball flight path, shot distance, swing path, ball speed, etc, to a separate personal computer using a user input device, such as a keyboard, etc, prior to initiating the device  10 . The golfer&#39;s personal profile, such as sex, age, skill level, etc, may be entered to the computer. The computer may include a commercially available computer based program to provide a visual graph. The graph may represent information including the input metric and the golfer&#39;s personal profile. The graph is stored in a database and may be adjusted automatically or manually at any later time, as desired. The pre-recorded information including the graph is then loaded to the device  10 . The golfer may then elect to record each activity including golfer&#39;s scores, golf swing, ball distance, ball locations at each shot execution, the club used at each shot execution, ball fight trajectory, and so on, during the course of the play on the device  10 . For example the golfer may say “mark ball” and the device  10  may record position/date/time and all pertinent information known to the device  10 . In another example the golfer may say “mark ball using nine iron” and the device  10  may record the club (i.e. nine iron) used based on the command provided by the golfer. Each recorded data associated with a new date and/or time is stored in a database or a library of the device  10 . Additional data may be added or updated to the library. The device  10  may continually adjust the graph based on recorded data taken on the field performance. In doing so, the device  10  may progressively learn the golfer&#39;s successes and failures based on the pre-recorded information and the recorded field data to generate strategic recommendations. Other information such as weather and/or environmental conditions may be recorded on the device  10  to provide the golfer with recommendations for future golf shots based on the golfer&#39;s past performance. 
         [0021]    A golf club professional and/or the golfer may download the library from the device  10  to the computer and analyze results of the golfer&#39;s game, or many games. A bird&#39;s eye view of the golf course including information, such as ball landing positions, etc and a table associating with the scores, plotting game club used may be provided to facilitate the golfer to improve future plays based on the past performance, may be displayed on the computer screen. The golf club professional or the golfer may then voice record the golf tips or advices for the golfer in situations where the professional knows the golfer requires improvement and help. This “help command,” recording could equally follow a lesson. 
         [0022]    In addition, the device  10  may also provide pre-recorded golf instructions to assist the golfer in making a specified golf shot, when prompted to do so by a voice recognition command or an electrical pulse generated by touch or remote control. 
         [0023]    The help command may be personalized. For example the golfer may say “Help,” and the device may reply, “Hi Joe, how can I help you.” The golfer may state a command relating to his difficulty, for example “downhill lie” or simply “my swing.” This may trigger the professional&#39;s recording to say. “Joe, what I want you to do is,” to be followed by customized advice. 
         [0024]    Furthermore, the device may incorporate measurement vector technology to response to voice commands or queries such as “hazards,” “distance to hazards,” or “distance to fairway” from the golfer and to provide distance and other information in a verbal form to the golfer regarding possible hazards such as trees, bushes, bunkers, and water in the direction at which the golfer is looking so that the golfer can place the golf ball safely in a fairway or a non-hazard location with confidence. 
         [0025]    This aspect of teaching provides a financial incentive for the professional to carry the device  10  in the pro-shop and permit the professional to charge for the analysis and recording. This would provide the professional with income in the following manner. (1) The profit on selling the device  10  in the first place. (2) Transferring the embedded computer from one device to a different device after proper instruction. And (3), charging for recording the “help” advice into the memory of the device  10 . This provides an ongoing stream of income as a strong incentive to sell the device  10 , plus the likelihood that the trainee&#39;s game score will improve. 
         [0026]    Referring to  FIG. 4 , more than one file  64  containing different golf courses  78  may be stored in a database for searching, transferring and/or downloading to the device  10  by one or more users. The user may initiate communications with a website server via an interne  74  or other user accessible network using a separate personal computer  72  or other appropriate computing machine. During the course of play, the appropriate course  78  stored in the file  64  may be automatically loaded by a device program of the device  10  on start mode, by determining the golfer&#39;s current position and finding any loaded course which may intersect with the golfer&#39;s current position and loading the appropriate course  78 . 
         [0027]    The device  10  may be used for such applications as hiking, surveyors and hunters and other applications. The device may also be used for scuba divers using an underwater design which may use any latitude and longitude measurement technology. 
         [0028]    The device  10  may be expanded to include its use in any portable application such as a PDA, cellular phone, Bluetooth headset, or the like. 
         [0029]    The device  10  may be provided with a communications method, such as but not limited to, a serial, USB or wireless connection to a separate personal computer or similar technology provided by the user of this device  10 . The device  10  may be able to upload and download data to a separate computer to facilitate various detailed functions, if such functions are beyond the scope of the device  10  by itself such as, but not limited to, graphical display of the users score and plot of all ball trajectories viewed against an image of the subject golf course, display of clubs used, comparative display of any other player or players using the system, expert system advice based on data accrued during one or more recorded games, printing of results and scorecards. The connection may also facilitate uploading of new course databases to the device  10  and management thereof, training of voice recognition commands and management of those commands. 
         [0030]    Referring now to  FIG. 1 , as discussed above, the device  10  may include the microprocessor  12 , the user input device  14 , the speaker  16 , the microphone  18 , the power source  20 , the GPS module  22 , the Wi-Fi module  24 , first and second antennas  22   a ,  24   b , and memory modules  26 ,  28  coupled to the microprocessor  12 . The first antenna  22   a  is coupled to the GPS module  22 , and the second antenna  24   a  is coupled to the Wi-Fi module  24 . The memory module  26  may be a 1.8 volt SDRAM and the memory module  28  may be a 1.8 volt NAND flash memory. The microprocessor  12  may include the synchronous serial port (SSP)  27 , the universal asynchronous receiver/transmitter (UART)  31 , the user serial bus (USB)  29 , the power management module  30 , the navigation module  32 , the voice recognition module  34 , and other operating systems and applications  36 . The device  10  may be configured to transmit and receive wireless communication in accordance with any suitable protocol such as Bluetooth, Ultra-wideband (UWB), Home Radio Frequency (HomeRF), Digital Enhanced Cordless Telephone (DECT), Personal Handy System (PHS), wireless LAN (WLAN), and other open or proprietary protocols that are capable to communicatively couple between the device  10  and/or an external device (not shown). Wireless installation of golf course data or program updates via any suitable protocol as described above will allow such conveniences as allowing the golfer to upload golf course GPS coordinate data while in the pro shop or retail outlet without needing a wired connection or even removing the hat device from his/her head. This will facilitate and encourage users to purchase golf course files. 
         [0031]    Bluetooth technology, a known and published radio frequency short range data/audio transfer technology, may be used in the device  10  for at least five primary purposes, data transfers, as an audio server, as an audio client, short range audio communications and as a remote GPS. As a Bluetooth audio server, it will be possible for the user to use a separate Bluetooth headset of the type used often in cell phones to access the voice recognition input and audio output of the device  10 , without using the built in speaker/microphone. This would enable the user to use the device  10  even if the hat were not worn, or indeed if the device  10  were not in a hat at all, and was implemented as any other form of a wearable computer not requiring a built in speaker/microphone. As a Bluetooth audio client, the hat device&#39;s speaker/voice sensor could be used for an auxiliary headset for another Bluetooth audio server such as a cell phone, in the same manner a Bluetooth ear clip headset is currently used. As a short range audio communications client, it would be possible for two users of the device  10  to maintain wireless audio communications providing they were in range typical of Bluetooth devices, usually 100 m maximum. As a remote GPS, it would be possible for a user to use the GPS module  22  contained in the device  10  with another program which required a GPS by transmitting the coordinate data over the Bluetooth using known Bluetooth protocols for GPS data transmission. 
         [0032]    The power source  20  may be coupled to the rest of the components including the microprocessor  12 , the speaker  16 , and the microphone  18  to power the device  10 . While the power source  20  may be a 5 volt Lithium-Ion battery, other types of batteries may be possible. Optionally, a connector (not shown) may be provided to recharge the battery  20 . Alternatively, a solar panel (not shown) may be provided to power the device and/or to charge the battery  20 . The antennas  22   a ,  24   b  may be used to transmit and receive signals between the memory modules  22 ,  24  and an external source (not shown). The antennas  22   a ,  24   a  may be external or internal to the respective memory modules  22 ,  24 . The antennas  22   a ,  24   a  may serve as part of the communication link. The user input device  14  may be a button switch to facilitate multi-functions for the device  10 , such as power on/off switch, volume control, or the like. The microphone  18  picks up acoustic input as heard in the environment or bone conductance via the skull and converts the signal into a corresponding electrical. The microphone  18  may be a silicon condenser microphone, an electret microphone, a dynamic microphone, or the like, depending on the desired applications. The receiver  16  converts the electrical signal to an acoustic sound before transmitting the acoustic sound to the user. The speaker  16  may be a balanced armature receiver, a moving coil receiver, or the like. 
         [0033]    The voice recognition module  34  is a software program commercially available from Sensory, Inc, and capable of speech or voice recognition. Other suitable types of voice or speech recognition processors may be used. Further, the voice recognition module  34  may store voice recognition information and a set of command including menu grammar and/or common command grammar for expanding the vocabulary. The power management module  30  may monitor the status of the power consumption. At least one application-specific program may be generated using the navigation module  32 . More details about the application-specific software program are described below. 
         [0034]      FIGS. 2A-2B  illustrate the flexibility and usefulness of the device  10  to be fitted virtually in any type of body-worn device, such as a hat  52 , an earphone  52   a , a cellular phone  52   d , an eye-glass  52   c , a wireless headset  52   b , or the like. As shown in  FIG. 2B , the device  10  may be disposed in a clamshell type housing (not shown). The housing may then be fitted in a brim  56  of the hat  52 . The housing provides protection to the device  10  from environmental and/or other external damage. The housing may be made of a plastic material and may be removably fitted to other wearing device. Other types of material are possible. While the housing  54  may be curved to the shape of the brim  56 , it will be understood that any housing shape or configuration suitable for a desired application may suffice, including a roughly square shape, a rectangular shape or any other desired geometry and size. The device  10  may be placed at different locations of the brim  56 . For example, the device  10  may be located at the middle of the brim. In another example, the device  10  may be located on left or right side of the brim. 
         [0035]      FIG. 3  illustrates an aerial view of a representative golf course displayed on a computer screen. A golf course data formatting process may be provided by an application software vendor to digitize a commercially available GPS golf course  60  containing the golf course data, such as supplied by Sports Mapping, Inc., or similar company before uploaded to the device  10  by the user. The process may include processing the golf course map data, removing certain golf course data from the map that may not be required in computing or measuring the full depth of the golf course, and then converting/mapping GPS mapped longitude and latitude coordinates to measure distance and possible targets that may come into play. In the process of recording the course, the vendor may follow the contours of the golf course  60  and may indicate the latitude and longitude using three reference points within the entire golf course  60 . The latitude and longitude coordinates of these reference points are obtained by physically going to these points on the actual golf course and utilizing GPS technology to determine their precise locations. Once the locations of the reference points are determined, the latitude and longitude of all subsequently mapped points are calculated. The vendor may visually identify the object, such as a fairway, bunker, green, etc of each hole and may select the correct attributes from a toolbar  62 , such as hole number and then clicks points around the circumference of each hole detailing its perimeter. Other information, such as the name of the golf course, or distance, etc, may be contained in the toolbar  62 . The process may be repeated until all holes of the course are mapped. The golf course data and information may be stored in a file  64  having a compressed binary machine independent format capable of being opened and read by any operating system. The stored file  64  using point/vector outline of a golf course is extremely compact and easily navigable to quickly find the objects, in particular, containing multiple latitude/longitude points described above, within various regions of the golf course. While this process is done on initial program load, it will be understood that the process may be done again at a later time to update the golf course data and information previously obtained by surveying of the golf course. Once the data is stored in the file  64 , the file  64  is now ready to be uploaded to the device  10  by the user. The user via a user browser may access a vendor network server via a vendor network. The network server is, in turn, connected to a vendor application server that enables integration of a file database having information such as the golf course data file  64 . 
         [0036]    Alternatively, the golf course recording process may be designed in such a way as to allow the average person who is not necessarily an expert in computer or GPS technologies an easy method to record a golf course that the user may wish to record, and allow for that course recording to be electronically transmitted to others for the purposes of sharing recorded courses and building up a shared collection of recorded courses. Upon completion of the recording of course features, the completed file containing multiple instance recordings of course name, hole number, hole feature and geographic location may be used to facilitate the calculation of geographic distances between the golfer&#39;s current GPS position and those features, such as but not limited to the distance from the golfer to the center of the green. Other course feature recordings may be used also in the process of giving the golfer advice, by relating his/her current geographic position to those features. The recorded course data may also be used for other purposes, such as but not limited to information for greens keepers to assist in course maintenance or the production of maps or computer models. 
         [0037]      FIG. 4  illustrates a flow diagram of a process for golf course data file search and upload  70  of one embodiment of the invention. As described above, the user may initiate communications with a website server via an internet  74  or other user accessible network using a computer  72  or other appropriate computing machine. The golf course stored in the file  64  may be uploaded to the computer  72  within an associated database, accessible via the internet  74 . The file  64  may be downloaded or transferred directly to the device  10  via a USB, firewire, or by wireless connection such as 802.11 WiFi or Bluetooth. More than one file  64  containing different golf courses  78  may be stored in the database for searching, transferring and/or downloading to the device  10  by one or more users. During the course of play, the appropriate course  78  stored in the file  64  may be automatically loaded by a device program of the device  10  on start mode, by determining the golfer&#39;s current position, e.g. latitude/longitude, and finding any loaded course which may intersect with the golfer&#39;s current position and loading the appropriate course  78 . 
         [0038]      FIG. 5  illustrates a golf course distance calculation program. The golf course distance calculation program is an application-specific program run by the navigation module  32 . Generally, the golf course distance calculation depends on accurate calculations of distance between any two given points. Existing algorithms calculate distances using Vincenty Algorithm or Great Circle Algorithm. However such algorithms require high power consumption and often a complicated floating point calculation is required in order to calculate the distances from the golfer&#39;s current position to an object, e.g. bunker, green, etc. A software application using a reduced processor power may be preferred by a handheld device or wearable lightweight low power device. In one embodiment, the file  64  containing the appropriate course  78  may be initiated for loading. As shown, a number of latitude/longitude points  82  on a portion of the golf course  86  are illustrated. The points  82  define the contour of an object, such as water hazard. The points  82  contained in the file  64  may be determined relative to a point  84  located at the most northern and most western points of the golf course. This point  84  may be regarded as an origin of a Cartesian plot of points of the golf course. Once the origin  84  is determined, the distance calculation is performed using a Pythagorean Right triangle by connecting the origin  84  to each point  82 . The resultant position for each point  82  may be stored as a Cartesian position relative to the origin  84 . Since the distance calculation of all points is performed only once by the navigation module  32  of the device  10 , the average processor load and power consumption is reduced to the minimum. 
         [0039]      FIG. 6  is a flow diagram showing a process using voice navigation initiated by a user of one embodiment of the invention. The voice recognition application may be stored in the voice recognition module  34  (See  FIG. 1 ) to accept voice commands from the user which are picked up by the microphone  18  (See  FIG. 1 ). The process starts in step  92  which activates the voice activated distance measuring device  10  initiated by the user to load a main menu grammar and/or common command grammar. In step  94 , a determination is made as to whether a control switch  14  (See  FIG. 1 ) is enabled and, if not, the process goes to step  98  to receive a voice command. Otherwise, the process goes to step  96  to determine if the control switch  14  is pressed and if not, the process returns to step  94 . If the control switch  14  is pressed, the process will proceed to step  98  to receive the voice command. In step  100 , a determination is made as to whether a button timeout is expired and, if not, the process returns to step  98 . Otherwise, the process returns to step  94 . A determination is prompted in step  102  to initiate the voice recognition. If it is affirmative, the process goes to step  104 , otherwise, the process returns to step  94 . Once the voice command is accepted, a determination is made in step  104  as to whether a menu navigation command should be generated. The menu navigation command may contain a set of command including menu grammar and/or common command grammar. The menu navigation command may be stored in the voice recognition mode  34  (See  FIG. 1 ). If affirmative, the process goes to step  106  where a selected menu grammar and common command grammar is loaded. Otherwise, the process proceeds to step  108 , where a determination is made whether to exit or end the program and if not, the process goes to step  110  to perform one or more functions requested by the user. Once the function is performed in step  110 , the process returns to step  94 . 
         [0040]      FIGS. 7A-7B  illustrate representative views of a golf course using a cone calculation to compute the distance from the ball mark to possible objects that may come into play. The cone calculation may be generated by the navigation module  32  (See  FIG. 1 ). The device  10  using the cone calculation has the ability to zoom into a region/cone of interest projected forward from the user&#39;s current position  122  to the user&#39;s hitting capability. Once the region of interest  120  is located, the cone calculation enables one to measure the distance from the user&#39;s current position  122  to possible targets falling within this region of interest  120  and reports the distance in a verbal form. Since the device  10  does not use a visual display, voice commands and golf course data and information are reported by audio speech. To reduce confusion and complexity of voice menus, it is preferable to reduce the number of objects that are eligible for distance reporting. This may be accomplished by using the device  10  projected forward from the user&#39;s current position  122  or ball mark, centered on a fairway midline  124  and having a distance proportionate to the golfer maximum hitting capability, defining a cone of interest  120 . Only certain objects  126  falling within the cone are reported. Alternatively, the user may request certain objects  126  falling on left  128 , right  134 , or the midline of the cone of interest  120  be reported by using appropriate voice commands. For example the user may say “distance bunker left” and such command may trigger the device  10  to report the distance to the bunker  16  falling on the left  128  of the cone of interest  120 . As another example, the user may say ‘distance all” and such command may trigger the device  10  to report the distance to all object  126  falling within the entire cone of interest  120 . As the golfer moves forward or closer to a target  132 , e.g. green, the cone of interest  120  moves forward with the golfer  122 . Once the green  132  is within the range of the cone  120 , green center may be used to calculate midline position instead of fairway midline  124 . 
         [0041]      FIG. 8  illustrates a representative view of a golf course. In the event the golfer with the device  10  tees off in a first shot  142  and the golf ball lands outside the fairway  140 . The device  10  is equipped with a solid-state compass  35  (See  FIG. 1 ) to create a measurement vector  144  in the direction at which the golfer  122  is looking. The measurement vector  144  may include a first distance measurement from the golfer&#39;s current position  122  to the trees  126  and a second distance measurement from the golfer&#39;s current position  122  to the fairway. In response to voice commands or queries such as “hazards,” “distance to hazards,” or “distance to fairway” from the golfer  122 , the solid-state compass  35  identifies hazard information such as trees, bushes, bunkers, and water within the measurement vector  144 , the device  10  reports the identified hazard information and the first and second distance measurements in a verbal form to the golfer  122 . The golfer  122  uses the reported information can then place the golf ball safely on the fairway  140  or a non-hazard location with confidence. 
         [0042]    As discussed above, the device  10  may include the electronic compass  35 . Electronic compasses are devices which are currently available from various vendors, and are designed to be used in any electronic device which may require compass direction information. A common example of electronic compass use is in automotive applications where a dashboard indicator will continually read out the automobiles direction, using typical compass direction such as N,S,E,W, NE etc. 
         [0043]    Non GPS based optical rangefinders support an ability to permit the golfer to identify a distance to any object on a golf course, by allowing the golfer to point the device at an object and use the optical function of the device to obtain a distance. This is a significant advantage of optical rangefinders. All Current GPS based rangefinders lack this functionality, as they are not aware of the user&#39;s direction, only his/her position. 
         [0044]    By incorporating an electronic compass into the design of the GPS based rangefinder it is possible to know both position and direction of the golfer and what course feature or features are currently pointed to and to support new many new capabilities that allow for distance measurement and other course information. This is a new capability as no current GPS Golf Rangefinder units support electronic compass use. 
         [0045]    Including the compass  35  in the device  10  of the present invention allows the following features: 
         [0046]    Allow the rangefinder to be pointed at a golf course feature, and to be able to determine digitally what course feature the user is pointing to by determining current position, looking up golfers position in a stored digital map contained in the rangefinder device that represents the course and its various features, determining direction using the compass, and again determining to which course feature the golfer is pointing; 
         [0047]    Determine the distance to or over a body of water on the course. This is one of the most useful features provided by the compass. Current GPS golf rangefinder products have no way of knowing what the golfers intended path of flight over a body of water will be, so they can not give the golfer accurate distances to the near and far waterlines that are of direct concern to the golfer. By allowing the golfer to point in the direction of planned ball travel and by referring to the stored digital map contained in the rangefinder device and determining GPS position and compass direction it will be possible to provide accurate near and far waterline distances; 
         [0048]    Determine the distance to or over a golf bunker feature. A problem exists with GPS golf rangefinders in that if the golfer has many bunkers in field of play and requests distance there is no accurate way of designating which bunker the golfer requires information about. S/he may get distance to a bunker other than the one s/he is interested in. By using compass direction it will be possible to point at the bunker in question and by referring to the stored digital map contained in the rangefinder device and determining GPS position and compass direction report distance information on the desired bunker specifically; and 
         [0049]    Determine the distance to any point on the edge of a green. All current GPS golf rangefinders determine the approximate center of a golf green and draw a line from the golfer through this central point, and report green near edge, green center and green far edge by determining intersections of this line with the green edges. This is useful if the golfers target is green center, but that is not always the case. Golf courses routinely move the hole on the green, and the hole is not necessarily at green center. By allowing the golfer to point in the direction of the target hole on the green, and by referring to the stored digital map contained in the rangefinder device and determining GPS position and compass direction it will be possible to calculate a line through that direction and provide accurate distances to the greens near and far edges for that direction. In addition, the central point on the green for that specific direction may be calculated which will be a close but not exact approximation of the real golf hole position, and be a much superior approximation to only using general green center. 
         [0050]    This provides a unique application of the compass  35  disposed in a wearable Cap. While this functionality may be included in any type of portable handheld GPS Golf range finding device, this embodiment will support a unique compass usage disposed as a wearable computer, configured as a typical golf or baseball hat. As the hat inherently moves with the wearer&#39;s head, the current direction to which the user is looking is continually tracked. This will make it possible to have the golfer center a course feature in their field of view with the hat oriented towards the feature. The user may then use various hat functions to determine distances for the feature directly in front of the user. 
         [0051]    Use of a hat worn compass may also be applicable to non golf uses, such as hiking, surveying or any other usage where accurate compass direction is useful information. 
         [0052]    From the foregoing, it will be observed that numerous variations and modifications may be affected without departing from the spirit and scope of the invention. It is to be understood that no limitation with respect to the specific apparatus illustrated herein is intended or should be inferred. It is, of course, intended to cover by the appended claims, all such modifications as fall within the scope of the claims.