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CROSS REFERENCE TO RELATED APPLICATION 
     This application claims the benefit of U.S. Provisional Patent Application No. 61/786,282, filed on Mar. 14, 2013, and entitled “Electronic Wall Safe.” 
    
    
     TECHNICAL FIELD 
     The present invention relates to safes. More specifically, an improved electronic wall safe is provided. 
     BACKGROUND INFORMATION 
     Firearms have been one of the most effective tools of self-defense almost since their initial invention. Responsible gun owners realize that firearms must not only be kept readily available, but also properly secured from unauthorized individuals. In particular, recent school shootings have revealed both the need to have firearms available to qualified, authorized personnel in order to protect children within the school. While concealed handguns are helpful for this purpose, not everyone interested with the safety of children may be willing to carry a handgun on a daily basis. Furthermore, some situations may best be handled with long guns such as modern sporting rifles. The ability to secure appropriate weapons within a school, in a manner that is accessible to numerous authorized individuals while resisting access to unauthorized individuals is desirable. Access by unauthorized individuals could potentially occur by unauthorized opening of a safe containing the firearms, or by theft of the safe containing the firearms, and resisting both is important. Additionally, in the event of an emergency requiring access to the firearm, quickly notifying others of the emergency is critical for enabling teachers to lock down their classrooms and hide their children, as well as alerting authorities who can provide assistance. Furthermore, those who need access to the firearm also need to be able to verify the presence of the firearm within the safe, as well as the status of the firearm. Frequency administrative handling of the firearm could potentially increase the risk of an accidental discharge. Therefore, it would be desirable for those with access to the firearm to be able to verify its presence and status without opening the safe. 
     U.S. Pat. No. 7,178,370 discloses a gun safe. The safe is mounted in a wall by screws going into the studs on either side of the safe. A biometric sensor detects a fingerprint, actuating a solenoid to retract the latch if the fingerprint is recognized. The sensor may include a light sensor and means of lighting the sensor when dark. The door drops open due to gravity, being slowed by a spring-loaded cable unit. A port is provided for auxiliary power if the battery dies, and/or an auxiliary microprocessor if the microprocessor dies. Key backup with a hidden keyhole may be provided. This gun safe fails to provide any means of communicating unauthorized access and/or theft, or any means of verifying its contents without opening the safe. 
     US 2009/0165682 discloses a safe with data transfer capability. Monitored data may include temperature, humidity, battery life, unsuccessful opening attempts, times when the door is opened, etc. The safe may include a motion sensor for detecting when the safe is being stolen and may initiate an audio and/or visual alarm. Messages may be sent by e-mail, page, fax, text message, or instant message upon an alarm condition. An environmental control module and camera may be included. A radiofrequency module can send a signal to the police if the safe is broken into. This gun safe fails to provide any means of verifying its contents without opening the safe. 
     U.S. Pat. No. 7,116,224 discloses a portable case for securing a firearm. The case may include an electronic lock, but preferably includes a mechanical lock. The case includes a wireless or hardwired interface with any of several different premises alarm systems. If a wireless transmitter is used, it is powered by batteries. Sensors within the case may detect opening the case, removing the case from its resting place, vibration of the case, motion of the case, or other conditions. A mercury switch is specifically mentioned as one option. A panic button may be provided to signal duress or other emergencies, and may be used by an authorized individual as a means of alerting authorities after the authorized user has accessed the firearm. In the event that a sensor is actuated, the transmitter may actuate the alarm and/or utilize the alarm system&#39;s features for notifying authorities. This gun safe fails to provide any means of verifying its contents without opening the safe. 
     U.S. Pat. No. 6,363,760 discloses a wall safe for handguns. The wall safe is intended to fit between adjacent wall studs, utilizing a telescoping mounting bracket to fit various wall configurations. Access to the safe is by an electronic touch keypad. The electronics in the safe may be powered by battery, alternating current, or a combination of the two. The electronics may integrate with a pre-existing premises security system. In appropriate circumstances, the security system panic mode may be activated, sending a signal to a monitoring facility. This gun safe fails to provide any means of verifying its contents without opening the safe. 
     The Alibaba website discloses a wall safe that is hidden behind a painting. The safe is locked by a combination of a fingerprint lock and an electromechanical lock. The safe includes an alarm that is actuated if the safe is shaken, or if the wrong fingerprint is entered five times. An emergency locking system is actuated if the wrong fingerprint is entered repeatedly. The fingerprint sensor detects finger temperature to avoid being fooled by a fake fingerprint. The safe includes a low battery alarm and external emergency power. his gun safe fails to provide any means of verifying its contents without opening the safe. 
     US 2011/0175730 discloses a gun safe that is operatively connected to an alarm system. The safe is designed to receive a signal (which may be wired, wireless, and/or audible) from the alarm system indicating that a break-in is occurring. When such a signal is received, the gun safe may perform any of several actions, including opening the door, switching to a simplified access code for opening the door, making opening the door more difficult, or deactivating the opening mechanism. The selected behavior may be changed depending on whether authorized individuals are likely to be present. Another alarm may sound when the door is open. Opening the door may further actuate a light within the safe. The safe may be concealed within a piece of furniture or installed in a wall. Although this safe provides for receiving signals from external devices, little is taught about providing communication to external entities. 
     EP 2 273 052 discloses a masking device for wall embedded equipment. The device includes a fastening plate that this reciprocally mounted to a pair of sliding rails. A picture may be hung from the fastening plate. 
     U.S. Pat. No. 5,987,941 discloses a handgun safe. The handgun is stored in a rotating hopper. An electronic lock actuates a solenoid to retract a pin against spring bias, permitting the hopper to rotate down. The safe may be integrated with a security system to sound an alarm when the safe is opened. 
     U.S. Pat. No. 5,901,589 discloses a wall-mounted handgun safe. The safe is secured to the studs within a wall. The door is made to appear to hinge open, when in fact it is opened by depressing it against spring pressure and then sliding it into a channel. An additional key or combination lock may be used when security outweighs fast access. The safe may be hidden behind a fake furnace air intake. 
     U.S. Pat. No. 5,586,934 discloses a wall safe that is structured to fit within an air return duct. 
     U.S. Pat. No. 5,111,755 discloses a handgun safe. Opening the handgun safe requires first entering the proper code into the keyboard. Once the proper code is entered, a solenoid plunger unlocks a secondary child deterrent mechanical device in the form of a knob. The knob must then be pushed, pulled, and turned in a particular sequence to open the safe. Upon proper manipulation of the child deterrent knob, a drawer opens. 
     U.S. Pat. No. 2,693,772 discloses a wall safe that is hidden behind a picture frame that is hingedly secured to the wall. The safe is held closed by a lock bolt that is controlled by a solenoid. Actuating the solenoid requires closing a wall switch, as well as closing a key actuated switch. 
     U.S. Pat. No. 2,732,816 discloses a wall safe that is hidden by painting or wallpapering the door so that it appears to be part of the wall. The door is held closed by a solenoid that is controlled by a switch that is concealed in a different location, with power being supplied by a wire running from the switch to the wall safe. Hinges contained within the door are provided with a spring biased plunger for pushing the door open when the solenoid is actuated. 
     Accordingly, there is a need for an electronic gun safe that facilitates not only access to the interior of the safe, but also communication of the existence of an emergency, both with others on the premises, and with authorities and/or a monitoring service. There is a further need for an electronic gun safe that provides such communication in response to either unauthorized opening, unauthorized tampering, and/or unauthorized movements of the safe. There is an additional need for a gun safe that allows verification of the contents of the safe without opening the safe. 
     SUMMARY 
     Another embodiment of the safe has a body and a door hingedly secured to the body. A locking mechanism is provided. The locking mechanism includes a user interface that is structured to rapidly open the locking mechanism in response to input by an authorized user. A panic button is also provided. The safe has a central processing unit that is structured to selectively provide one of a plurality of responses to actuation of a panic button. 
     Another example of the electronic wall safe includes a body, and a door hingedly secured to the body. The door has a transparent, shatter resistant portion. 
     Yet another example of the electronic wall safe includes a body that is structured to be secured between a pair of studs in a wall. An anti-cut panel extends outwardly from the body, in close proximity to a wall when the body is installed in a wall. 
     A further example of an improved electronic wall safe. The safe has a body and a door hingedly secured to the body. A locking mechanism is provided. The locking mechanism includes a user interface that is structured to rapidly open the locking mechanism in response to input by an authorized user. A cut wire detection system, as well as a communication system, are also provided. The safe has a central processing unit that is structured to send a signal to a preselected entity through the communication system upon receiving a signal from the cut wire detection system. 
     These and other aspects of the invention will become more apparent through the following description and drawings. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of an electronic wall safe, showing the door closed. 
         FIG. 2  is a perspective view of the electronic wall safe of  FIG. 1 , showing the door open and the anti-cut plate and drywall omitted. 
         FIG. 3  is a back view of a door and locking mechanism for an electronic wall safe. 
         FIG. 4  is a cross-sectional view of a wall and door for an electronic wall safe of  FIG. 1 , taken along the lines  4 - 4  of  FIG. 1 . 
         FIG. 5  is a schematic diagram of the electronic components of an electronic wall safe of  FIG. 1 . 
     
    
    
     Like reference characters denote like elements throughout the drawings. 
     DETAILED DESCRIPTION 
     Referring to the drawings, an example of a safe  10  is illustrated. Although a wall safe is illustrated, the safe can be secured within floors, or against other generally planar building portions having adjacent building frame members such as wall “studs” or floor joists, or the like, without departing from the scope of the invention. Although the illustrated example of the safe  10  is sized to hold a modern sporting rifle, other sizes, such as those designed only to hold handguns, those designed to hold money and/or jewelry, or sizes designed to hold important papers, are all within the scope of the invention. Referring to  FIGS. 1-2 , the wall safe  10  includes a body  12  having a left side  14 , right side  16 , back  18 , top  20 , and bottom  22 . A door  24  is hingedly attached to the body  12 , in the illustrated example being hingedly attached to the left side  14  by internal hinges  26  ( FIG. 2 ). The safe  10  is structured to be secured between the frame members or “studs”  28 ,  30  ( FIG. 2 ) within a typical wall. In the illustrated example, the right side  16  and left side  14  are provided with a plurality of bolts  32 , which are secured within holes within the studs  28 ,  30  by nuts  34  on the opposite sides of the studs  28 ,  30 . An anti-cut plate  36  ( FIG. 1 ) is secured to at least the left side  14  and right side  16 . In the illustrated example, the anti-cut panel is also secured to the top  20  and bottom  22 . The anti-cut plate  36  extends beyond the studs  28 ,  30  in order to increase the difficulty of cutting the safe  10  from a wall. 
     The illustrated example of the left side  14 , right side  16 , top  20 , and bottom  22  are sufficiently wide to extend a short distance out of the wall. One of the sides, which in the illustrated example is the right side  16 , is provided with a plurality of apertures  38  for receiving the locking bolts that are described in greater detail below. The door  24 , which is best illustrated in  FIGS. 2-4 , includes a left side lip  40 , a right side lip  42 , an upper lip  44 , and a lower lip  46  that are structured to overlap the portions of the left side  14 , right side  16 , top  20 , and bottom  22  that protrude from the wall, and to lie within close proximity to these components in order to resist prying open the door  24 . The right side lip  42  is provided with a plurality of apertures  48  that are substantially aligned with the apertures  38 , and which extend only partially through the lip  42 . Some examples of the door  24  include a window  50 , permitting visual verification of the contents of the safe  10  without the need to open the safe  10 . 
     Referring to  FIGS. 3-4 , the interior of the door  24  is illustrated. The locking mechanism  52  may be visible, or may be covered by an interior door panel, but is illustrated as visible in  FIG. 3  so that its components can best be explained. The locking mechanism includes a beam  54  extending substantially along the right side lip  42  of the door  24 . A plurality of locking bolts  56  are secured to the beam  54 , with one locking bolt  56  corresponding to each of the apertures  48 . The beam  54  is reciprocally secured to the door  24 , so that the bolts  56  may move from an open position wherein they do not protrude from the apertures  48 , and a closed position wherein the bolts  56  protrude from the apertures  48  a sufficient distance to engage the apertures  38 . The beam  54  is biased towards the closed position by at least one spring  57 , with the illustrated example including a pair of springs  57 . Movement of the beam  54  is controlled by at least one solenoid, with an upper solenoid  58  and lower solenoid  60  being shown in the illustrated example. The solenoids  58 ,  60  are structured to position the beam  54  in the closed position when not energized and to move the beam  54  into the open position when energized. Power is supplied to the solenoids  58 ,  60  by the wire  62 . Although the illustrated example of the locking mechanism  52  provides bolts  56  only along one side of the door  24 , other examples of the locking mechanism  52  may provide bolts along two sides of the door  24 , or along four sides of the door  24 . In each case, the structure and functioning of the bolts may be essentially the same. 
     Control of the locking mechanism  52 , as well as of the other functions of the safe  10 , are controlled by a central processing unit (CPU)  64 . The illustrated example of the safe  10  locates the central processing unit  64 , as well as most of the other electronics described below, at the bottom of the safe  10 . Referring to  FIGS. 1 and 5 , the interface of the various components of the safe  10  with the universal service bus (USB) system  66  of the CPU  64  is illustrated. 
     Opening the safe  10  is controlled by an external input device, which in the illustrated example is a fingerprint reader  68 , disposed on the anti-cut plate  36 . The illustrated fingerprint reader  68  is disposed on the anti-cut plate  36 . The CPU  64  may be programmed with the fingerprints of individuals who are authorized to open the safe  10 , and will actuate the locking mechanism  52  when a fingerprint from one of these individuals is read by the fingerprint reader  68 . A panic button  70  is also accessible from outside the safe  10 . The panic button  70  is spaced from the fingerprint reader  68  to resist accidental activation of the panic button  70 , but is also positioned where an authorized individual may quickly and easily activate both the fingerprint reader  68  and panic button  70 . When the panic button  70  is pressed, any of multiple actions may be taken by the CPU, depending on the programming of the CPU, as well as whether or not the locking mechanism  52  has been actuated through the fingerprint reader  68 , as explained in greater detail below. 
     Power for the illustrated example of the safe  10  is supplied by hardwiring the CPU  64  to the electrical wiring of the building in which the safe  10  is installed, with the power cord  72  supplying the primary power to the CPU  64  and other electronic components. A battery backup power supply  74  is also provided for powering the safe  10  in the event of a power failure and/or a cut power cord  72 . The battery within the battery backup power supply  74  may be either a primary cell that requires periodic user replacement, or a secondary cell that recharges from the power cord  72 . The battery backup power supply  74  is structured to monitor the status of the battery charge, and to activate a low battery indicator  76  in the event that battery voltage drops below a predetermined threshold. The low battery indicator  76  may be a visual indicator such as an LED, an audio indicator such as a speaker, or a combination of the two. Additionally, the CPU  64  may be programmed to switch off non-essential functions in the event that battery backup power is required. For example, the light described below may be switched off in the event that battery backup power is in use in order to maximize the life of the battery backup power supply  74 . 
     The safe  10  may include multiple communication interfaces. A telephone line  78  may be connected to a modem  79  that is connected to the USB  66 , providing for telephone communication with local authorities, a monitoring company, and/or other individuals of the user&#39;s choosing. A cellular communication device  80  may also be connected to the USB  66  for communication with local authorities, a monitoring company, and/or other individuals of the user&#39;s choosing in the event that the telephone line  78  is cut. Additionally, the cellular communication device may communicate with a user&#39;s mobile telephone. 
     A motion sensor  82  is provided within the safe  10 . The illustrated motion sensor  82  is a mercury switch that is structured to detect tilting of the safe, as would likely occur if the safe were removed from the building in which it has been installed. In the event that the mercury switch  82  is tripped at a time when an authorized user is not moving the safe  10 , one or more of the above-described communication interfaces may be used to alert authorized users and/or authorities that the safe  10  is being stolen. Additionally, the opening mechanism of the safe is disabled until reset by an authorized user and/or a monitoring service. 
     An alarm system interface  84  is connected to the USB  66 . The alarm system interface  66  is configured to interface with the wireless communication systems of many presently available premises alarm systems. 
     A keypad  85  may be provided so that authorized users may program the CPU  64  to function in a desired manner, as explained in more detail below. Additionally, or alternatively, the wireless communication system  80  may interface with an authorized user&#39;s mobile telephone, so that the user may program the CPU  64  through the mobile telephone. In the case of a “smart phone,” a software application may be provided for installation on the smart phone in order to interface with the CPU  64 . 
     Some examples of the safe  64  may include a detection device  100  for cut wires between the CPU  64  and other electronic components, the power supply, and/or the telephone line. A system for detecting cut wires is described within U.S. Pat. No. 5,387,899, issued of Feb. 7, 1995 to A. A. DiLauro et al., the entire disclosure of which is expressly incorporated herein by reference. A system for detecting a cut telephone line is disclosed within U.S. Pat. No. 4,737,776, which was issued to W. Wireman on Apr. 12, 1988, the entire disclosure of which is expressly incorporated herein by reference. Another system for detecting a cut telephone line is disclosed within U.S. Pat. No. 5,737,391, which was issued to R. J. Dame et al. on Apr. 7, 1998, the entire disclosure of which is expressly incorporated herein by reference. The output from any wire or line cut detector can be utilized to provide a signal to the CPU  64  in the event that a cut wire is detected. The CPU  64  can be programmed to notify authorized users, a monitoring service, and/or authorities. Additionally, or alternatively, a local premises alarm may be activated. 
     A light  86  may be provided within the safe  10 . In the illustrated example, multiple light sources  10 , such as the illustrated light emitting diodes (LED) are positioned around the interior of the safe  10  to avoid shadows within the safe  10 . Some examples of the safe  10  may be structured to activate the light  86  upon opening the door  24 . This can be accomplished through a simple switch that is activated by the door  24 , or through programming of the CPU  64 . Alternatively, the light  86  may be controlled through a manual external control, permitting users to selectively view the contents of the safe  10 . As another alternative, the light  86  may remain constantly on, permitting viewing the contents of the safe  10  at any time. Viewing the contents of the safe without opening the safe may be desirable, for example, for users who wish to verify the presence and state of readiness of a weapon secured within the safe without opening the safe. 
     The safe  10  may be made from any suitable materials, with a preferred material being steel. Some examples of the safe  10  may be made from carbon steel having a blued finish of the type traditionally applied to carbon steel firearms. If a window  50  is provided within the door  24 , that window is made from a shatter resistant material. Some examples of the window  50  may be made from polycarbonate, with one example of a suitable polycarbonate material being marketed by Bayer MaterialScience LLC, of Sheffield, Mass., under the trademark MACROLON. Some examples of the safe  10  may include fire resistant walls, in a manner that is well known in the art of safes. 
     The interior of the illustrated example of the safe  10  is lined with felt, in order to avoid damaging the finish of any firearms stored within. One or more shelves  88  may be provided within the safe for supporting the weight of a long gun or handgun. Straps  90  may be secured to the sides  14 ,  16  and/or back  18  by hook and loop fasteners to secure firearms in a desired position on the shelves  88 , while leaving the firearms rapidly accessible once the safe  10  is opened. 
     The safe  10  may include a pin or hook  94  disposed centrally near the top of the safe  10 . A picture or other decorative wall hanging may be hung from the pin or hook  94  in order to hide or disguise the safe  10 . With the fingerprint reader  68  and panic button  70  disposed on the anti-cut plate  36 , an authorized user may quickly access the safe  10  by reaching underneath a picture or decorative wall hanging that is been positioned over the safe  10  to activate the fingerprint reader  68  and/or panic button  70  without a need to remove the decorative wall hanging from the pin or hook  94 . 
     The safe  10  may be used to secure a firearm such as a modern sporting rifle  96  and/or handgun  98  therein. The safe  10  is particularly useful in a location where both authorized and unauthorized individuals will be present, such as a school having personnel authorized to provide security during an emergency. The light(s)  86  may illuminate the contents of the safe  10 , permitting authorized personnel to verify the contents of the safe  10  without the need to open the safe  10 . An authorized individual may open the safe by placing a finger on the fingerprint reader  68 . The CPU  64  compares the fingerprint with authorized fingerprints within its memory, and activates the solenoids  58 ,  60  to permit the door  24  to be opened. Firearms secured therein may then be quickly grabbed and pulled away from the sides  14 .  16  and/or back  18 , with the force of the grabbing and pulling action causing the hook and loop straps  90  to detach. The firearms may then be utilized for defense. Once the firearms are returned to the safe  10 , the door  24  may be closed, and the safe may be re-locked, in some examples by using the keypad  85  to trigger the locking mechanism. 
     The CPU  64  may be programmed so that the panic button  70  may be used to notify others of an emergency, operating in various ways depending on the location of the safe  10  and notifications desired. For example, if the safe  10  is installed within a school, it is anticipated that numerous unauthorized individuals may have access to the panic button  70 . Therefore, the panic button  70  may be inoperative unless and until an authorized fingerprint is read by the fingerprint reader  68 , at which point the CPU  64  will look for signals from the panic button  70  for a predetermined time interval. Once the panic button  70  is depressed, the CPU may relay a preprogrammed message to authorities and/or a monitoring service utilizing the telephone line  78  and/or wireless communication device  80 . The CPU may further, or alternatively, activate a local premises alarm through the alarm system interface  84 . The premises alarm may be a standard burglar alarm, or may be an alarm triggering a lockdown in a school. An additional notification may be made to the mobile telephones of other authorized personnel using the wireless communication device  80 . 
     Alternatively, it may be desirable for unauthorized individuals be able to activate the panic button  70 . For example, a residence containing the safe  10  may contain unauthorized individuals, and a fast, quiet way for these individuals to summon help may be desired. In this case, the CPU  64  may be programmed to send different messages, depending on whether an authorized fingerprint is recognized by the fingerprint scanner  68 . If an authorized individual has activated the panic button  70 , authorities may be notified of the location of the emergency, the telephone number of the resident, and the fact that the resident is armed. This information can be utilized to minimize any likelihood of a shooting based on mistaken identity when authorities arrive. If an unauthorized individual has activated the panic button  70 , then the message may indicate the location of the emergency, and the fact that the individual has not gained access to a weapon, and therefore needs assistance more quickly. 
     An improved electronic wall safe is therefore provided. The electronic wall safe may be securely mounted between the studs on a wall, being secured to the studs in a particularly solid manner. The electronic wall safe may be accessed quickly by authorized users. Other individuals on the premises, and/or the authorities, may be quickly notified of emergencies utilizing features of the electronic wall safe. The contents of the safe are securely held in position, but may be quickly withdrawn when needed. The electronic wall safe includes motion sensors and/or wire cut detectors to detect when someone is attempting to steal the electronic wall safe, so that appropriate individuals or entities may be notified. Some examples of the electronic wall safe are designed so that the contents of the safe may be verified without a need to open the safe. Some examples may be hidden behind a picture or other decorative wall hanging positioned over the electronic wall safe. 
     A variety of modifications to the above-described embodiments will be apparent to those skilled in the art from this disclosure. Thus, the invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The particular embodiments disclosed are meant to be illustrative only and not limiting as to the scope of the invention. The appended claims, rather than to the foregoing specification, should be referenced to indicate the scope of the invention.

Summary:
An electronic wall safe is intended to fit between the support beams of a typical building, bolting into the beams on either side of the safe. A panel is provided around the safe to prevent cutting into the wall to remove the safe. The safe includes numerous electronic features, which are powered by running an electrical wire to the safe, as well as battery backup. The CPU includes a connection for a telephone line, as well as wireless communication. The safe utilizes a fast-opening mechanism such as a fingerprint scanner. A panic button is provided to alert authorities and/or others on the premises of the emergency. The safe includes a mercury switch so that, if the safe is moved, then the opening mechanism will be disabled, and police will be notified. The safe includes cut wire detection circuitry. One possible variation of the safe includes a door having a shatter-resistant window, as well as internal lighting, so that the contents of the safe can be displayed or verified without opening the safe.