Abstract:
This invention describes a method and a system that is used to provide a list of personnel who were present in a building or area that has been evacuated due to an emergency, such as a fire or earthquake. The monitor stores data from a time clock or access control system in parallel with a separate server. The monitor is portable and can be taken out of the building. The monitor can be connected to central alarm monitoring company, who can act as a backup system with the ability to provide the data to a responding fire department. The portable unit can display the names, communicate the data to other display devices including printers.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS  
         [0001]    (Not Applicable)  
         STATEMENT RE: FEDERALLY SPONSORED RESEARCH/DEVELOPMENT  
         [0002]    (Not Applicable)  
         BACKGROUND OF THE INVENTION  
         [0003]    The present invention relates generally to safety devices, and more particularly to a hand portable monitoring device for monitoring personnel presence at a location.  
           [0004]    As the number of employees increases for a business, it becomes more difficult to remember or keep track of which employees have come to work, or who has left the building on business or illness. Confusion as to which employees were present in a building at the time of a disaster is one of the foremost obstacles to the work of emergency personnel, and presents several distinct problems. Lack of awareness that everyone is out of the building may result in unnecessary searching by the emergency personnel of dangerous areas. Not only is this undesirable because it wastes time and effort sorely needed elsewhere, but it furthermore exposes the emergency personnel to unnecessary dangers. The work of emergency personnel is dangerous, and searching for victims in a building which is burning or structurally unstable can result in the injury or even death of emergency personnel. Where there are no victims to be helped by the search, this risk is unacceptable.  
           [0005]    Conversely, in some cases emergency personnel may mistakenly believe that a person is safe who is actually trapped in the building. This can happen, for instance, if the disaster occurs on a day on which the person in question normally does not work, but the person has come to work overtime. In cases such as these, emergency personnel may fail to aid a person in need as a simple result of being unaware that the person is present. Loss of life may flow as an unnecessary consequence, merely because of poor information.  
           [0006]    The aforementioned problems have been of substantial concern to the emergency rescue community for some time and continue to grow in significance. Buildings in modern cities continue to reach new scales of grandeur and are now the workplaces of thousands of employees. The potential chaos that can result from disaster striking a building of such size is apparent.  
           [0007]    The seriousness of poor information increases with the size of buildings for several reasons. First, the task of manually tracking the presence of personnel becomes more difficult when the number of people involved increases. Second, the potential danger to emergency rescue operations may increase proportionally. Third, the likelihood of disaster in a larger building may be higher because, for instance, there are more people in potential danger. The aforementioned factors are particularly alarming in the light of increased terrorist activity against the civilian population of the United States. The Oklahoma City Bombing and the destruction of the World Trade Center in particular demonstrate that terrorists may specifically target the very buildings that pose the most serious threat. Accordingly, it is of the utmost importance that systems be devised which make personnel presence readily available to emergency personnel.  
           [0008]    Some companies use manual punch timecard systems to keep track of employee presence. Other companies have made or are making the transition from manual timecard systems to a computerized time clock system comprising a data collection device and a data processing device. The data collection device collects personnel presence data, for instance through the use of wallet-sized electronic identification devices, and sends the data to the data processing device for storage and processing.  
           [0009]    Unfortunately, in such systems the personnel presence data is only available by workstation access to the data processing device. Moreover, in an emergency, the data is often inaccessible because the power is out and the data processing device is disabled. Even if the power isn&#39;t out, it will likely be impracticable to take the time necessary to extract the data from the data processing device. Therefore, a need exists to devise a system for quickly and conveniently providing accurate information as to which employees were present at a location at the time of a disaster.  
         BRIEF SUMMARY OF THE INVENTION  
         [0010]    In accordance with the present invention there is provided a hand portable monitoring device for monitoring personnel presence at a location. The hand portable monitoring device has an internal power supply, rendering it capable of independent operation. The device collects personnel presence data from the building&#39;s personnel data system and stores it in either volatile or non-volatile memory. The device can be conveniently removed from the building by hand, without the use of any tools or special knowledge, and functions to generate a list of personnel in the building who need to be accounted for. The employees can be listed by name, employee ID number, vendor number, area of work, or emergency meeting area group. The list can be modified as needed. A display is provided on the hand portable monitoring device for easy viewing.  
           [0011]    The hand portable monitoring device can also have a connector for communicating with an external device, such as a printer. This will allow separate lists to be made for different emergency meeting areas. Another embodiment includes an RF or infrared transmitter. In this way, the personnel presence data can be transmitted to other display devices, including personal data assistants. The transmitter could also use Bluetooth technology. Bluetooth technology is a newly emerging standard in wireless communication which makes communication between various devices easy.  
           [0012]    The hand portable monitoring device can be engaged to the personnel data system in a variety of ways. The particular interface methodology is largely dependent upon the available data access points of a given system. For instance, some personnel data systems read a code from a card retained by the employee and translate the code into the employee&#39;s name before sending it to the data processing device. Others send the code to the data processing device for translation. In the first instance, the hand portable monitoring device of the present invention could simply intercept the data traveling to the data processing device. In the second instance, however, the monitor terminal must either receive data from the data processing device or have an internal chart of codes and names. The present invention may therefore be configured to receive data from either or both of the two devices.  
           [0013]    The device of the present invention can include a quick release mechanism operative to allow fast and convenient removal of the device without any tools or special knowledge. The quick release mechanism can also function to send a signal to a the data processing device or another device. The receiving device can activate an alarm, such as a fire alarm, in response.  
           [0014]    In another embodiment of the present invention, the data processing device can send data onto the Internet to a central station as a backup link. The data so transmitted can include a list of personnel to be accounted for, so that the emergency personnel can quickly check for all of the listed personnel.  
           [0015]    The hand portable monitoring device can also contain a sender circuit, so that it can provide data back to the computer about personnel who did not register as they left the area. This data can be sent at a time when all personnel should have left the area, as when the shift ends. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0016]    [0016]FIG. 1 is a block diagram for a personnel data system with a hand portable monitoring device in accordance with the present invention.  
         [0017]    [0017]FIG. 2 is a block diagram for a personnel data system employing two data collection devices, to which two hand portable monitoring devices have been added.  
         [0018]    [0018]FIG. 3 is a block diagram demonstrating how the above described system may further operate in conjunction with an alarm system.  
         [0019]    [0019]FIG. 4 illustrates an alternative arrangement wherein a remote monitoring station is not only alerted to the existence of an emergency situation, but provided with personnel presence data.  
         [0020]    [0020]FIG. 5 illustrates a sample hand portable monitoring device.  
         [0021]    [0021]FIG. 6 illustrates a sample wall mount with a quick release mechanism. 
     
    
     DETAILED DESCRIPTION OF THE INVENTION  
       [0022]    [0022]FIG. 1 is a block diagram for a personnel data system  25  with a hand portable monitoring device  23  in accordance with the present invention. A data collection device  11  is used to collect data with respect to employee presence at the location. The data collection device  11  is typically a computerized time clock, and is used by personnel to indicate that they are present or are leaving the building. Various methodologies may be employed by the data collection device  11 . For instance, personnel may enter an employee number by means of a keypad, or pass a personal identification card through a slot in the data collection device  11 . The personnel&#39;s information is read by the data collection device  11  and sent through a communication path  13  to a data processing device  15 . The data processing device  15  is typically a computer, and is operative to process and store the information received from the data collection device  11 . The processed personnel data is also sent via communication path  17  to a hand portable monitoring device  23 , by way of a quick release mechanism  19  and a communication  21 . The hand portable monitoring device  23  stores the information for later retrieval, and is described in greater detail below.  
         [0023]    The examples propounded below extrapolate from the above implementation. However, it is understood that the basic system may be altered to suit the nature of the data collection system  25  in place. For instance, some data collection systems  25  utilize a data collection device  11  which reads employee numbers. The employee numbers are sent to the data processing device  15  for translation into employee names. In such a system, the hand portable monitoring device  23  must either receive personnel presence data from the data processing device  15  (as in the above example) or have an internal chart of names and numbers. Other personnel data systems  25  employ a data collection device  11  which reads employee names directly. With such a system, it would be possible to connect the quick release mechanism  19  directly to the data collection device  11  instead of via the data processing device  15 . This might be desirable, for instance, because it would allow the hand portable monitoring device  23  to function despite a failure in the data processing device  15 . A further addition would add bidirectional communication between the data collection device  15  and the hand portable monitoring device  23 , so that the hand portable monitoring device  23  could send personnel presence data to the data processing device  15  once the failure was resolved. It is understood that a variety of such embodiments reflecting various connection methodologies are encompassed within the scope of the present invention, and it may be assumed that any device in the system may be connected to any other device in the system by means of either unidirectional or bidirectional control.  
         [0024]    [0024]FIG. 2 is a block diagram for a personnel data system employing two data collection devices  31   a,b,  to which two hand portable monitoring devices  33   a,b  have been added. Each data collecting device  31   a,b  sends-data to the data processing device  15  via its respective communication path  37   a,b . The data is processed by the data processing device  15  and sent to the hand portable monitoring devices  33   a,b  via their respective communication paths  39   a,b  by way of the quick release mechanisms  41   a,b  and the communication paths  43   a,b  between the quick release mechanisms  41   a,b  and the associated hand portable monitoring devices  33   a,b . By these means multiple data collection devices and/or hand portable monitoring devices  33   a,b  can be utilized. It is understood that the same implementation may be iterated to encompass any number of data collection devices  31   a,b  and/or hand portable monitoring devices  33   a,b.    
         [0025]    [0025]FIG. 3 is a block diagram demonstrating how the above described system may further operate in conjunction with an alarm system  59 . Activation of the quick release mechanism  19  not only accomplishes disengagement of the hand portable monitoring device  23  but further sends a signal via a communication path  51  to a building fire alarm  53 . This effects the activation of the building fire alarm  53 . The building fire alarm  53  may itself be monitored by a remote monitoring station  57 . The remote monitoring station could be, for instance, a local fire department. By this means disengagement of the hand portable monitoring device  23 , generates an indication to persons inside the building that an emergency situation exists, and indication to the fire department that an emergency situation exists are all accomplished by a simple hand movement. Of course, it may be desirable to disengage the hand portable monitor  23  without activating any alarms, and a means for preventing the transmission of a signal which would do so may be included.  
         [0026]    [0026]FIG. 4 illustrates an alternative arrangement wherein a remote monitoring station  57  is not only alerted to the existence of an emergency situation, but provided with personnel presence data. Operation of the quick release mechanism  19  causes the data to be sent by one of a variety of possible means. In one embodiment the hand portable monitoring device  23  sends its data via communication path  21 , the quick release mechanism  19 , communication path  17 , to data processing device  15 . The data is communicated to the remote monitoring station  57 . The data process device  15  could also communicate its own internal records to the remote monitoring station  57 . Of course, the data need not travel via the internet and could alternatively travel by phone line or RF signal, for instance. As will be recognized by one skilled in the art, the data need not travel from the hand portable monitoring device  23  through the data processing device  15 , which might be inoperable during a power outage. Accordingly, by any of various series of connections, the remote monitoring station  57  is provided with an accurate list of personnel who need to be accounted for.  
         [0027]    [0027]FIG. 5 illustrates a sample hand portable monitoring device. The elements of the hand portable monitoring device are disposed within a casing  61 , preferably of sturdy construction. Preferably casing has an internal power supply (not shown) which is operative to power the various elements, thereby rendering the hand portable monitoring device independently operable. The device may comprise a monitor  63 , operative to display the personnel presence data stored by the memory (not shown). In the preferred embodiment of the present invention, the memory is non-volatile memory, which may take the form of a detachable memory card. The device may further comprise a keypad  65  which would allow a user to interface with the device in a more flexible fashion. For instance, the keypad  65  could be used to scroll through the list at will, or to delete names of persons who have been accounted for. The device comprises a connector  67  operative to put the device in electrical communication with a personnel data system. It may further comprise an additional connector  69  operative to transmit information to an external device, for instance a printer or personal data assistant (PDA). The connector  69  could be of a variety of formats, and could alternatively be (or connect to) a transmitter, such as an infrared or RF transmitter for the purposes of wireless communication. The transmitter could also use Bluetooth technology.  
         [0028]    [0028]FIG. 6 illustrates a sample wall mount with a quick release mechanism. The wall mount comprises a backing  100 . The back side of the backing  100  may be fixed to a surface, for instance a building&#39;s exterior wall, by various means (such as adhesives or bolts). Two brackets  102   a,b  are disposed at the bottom of the backing  100  for holding the bottom of the hand portable monitoring device in place. A moveable latch  104  is disposed at the top of the backing or holding the top of the hand portable monitoring device in place and for communicating signals to and from the monitoring device. The moveable latch may be operable by means of a rotating knob  106 . A connector  110  puts the monitoring device and quick release mechanism in electrical communication with the additional elements, as descried above. Rotation of the knob  106  may also trigger the transmission of a signal via the connector  110  to activate an alarm or send information, as discussed above.  
         [0029]    Still further embodiments of the invention will be apparent to those of ordinary skill in the art.