Abstract: A receiver receives at least one message containing a visual message. A display device, in communication with the receiver, displays the visual message of a selected one of the at least one message. A first housing houses the receiver and the display device to form a self-contained, viable receiver unit. A camera captures at least one image. A transmitter transmits a signal based upon the at least one image captured by the camera. A second housing houses the camera and the transmitter to from a self-contained, viable transmitter unit. The second housing is selectively attachable and detachable from the first housing. As a result, the transmitter unit may be selectively attached to the receiver unit and detached from the receiver unit.

Abstract: A voice transmission system for a protective face mask is provided, comprising a voice transmitter attached to an external portion of the face mask, a radio receiver, and a two-way radio. The voice transmitter is attached to an external portion of the face mask and transmits the voice of a user of the face mask via a short range radio signal. The radio receiver receives the short range radio signal output by the voice transmitter, processes the short range radio signal, and outputs an audio output signal. The two-way radio (i) receives the audio output signal from the radio receiver, amplifies the audio output signal, and transmits the amplified audio output signal to a remotely located receiver, in a transmitting mode, and (ii) receives a broadcast signal from a remotely located transmitter in a receiving mode. A voice actuated switch switches the two way radio between receiving and transmitting modes.

Abstract: A wireless-enabled host electronic equipment includes a built-in antenna and special plug-in receptacles enabling a plug-in wireless communicator to interact with the host and to connect to the built-in antenna for wireless transmission and reception. In accord with the invention the plug-in arrangement is constructed to conform to a standardized plug-in arrangement, such as a PCMCIA standard and to provide additional plug-in capability in addition to the standardized receptacle which does not conflict with the standardized receptacle. The plug-in arrangement is configured to permit use of a plug-in for other purposes in the same standard receptacle.

Abstract: A portable phone comprises a handset having a low power radio transmitter and a base station having a booster transmitter that is optionally coupled to the handset for better transmission. A docking cradle has a nest to receive a boat and the boat has a pocket to receive the handset. The boat is connected to the base by a cord and a connector in the boat is coupled to the handset when the handset is seated in the boat. The cradle, boat and handset are nested together for compact hands-free operation, the handset is removed from the boat for portable operation, or the handset and boat together are removed from the cradle for wire-connected hand-held operation.

Abstract: A readily transportable desk structure is provided for positioning upon a vehicular seat of the bench type. The desk structure preferably takes the form of an tub-like body having a compartment housing transceiver means and a plate-like top covering the compartment with a cover providing access to the compartment. Various means are disclosed for preventing excessive verticle and horizontal movement of the desk stucture during vehicular travel utilizing the vehicle seat belt, the center armrest, the seat cushion and the seat back. A power outlet is provided for utilizing electrically powered accessories with the desk stucture.

Abstract: A removable panel has a plurality of operation buttons for operating a car stereo. A cellular telephone system operated by the operation buttons is provided in the panel. A controller is provided in the panel for rendering the car stereo inoperative in response to an instruction received through the cellular telephone system.

Abstract: A class 1 cellular mobile telephone apparatus has an LCD display and keypad provided in a transceiver main unit, which can be installed directly in a passenger compartment of a motor vehicle. The handset unit contains only a speaker and a microphone, eliminating the need for a microprocessor and associated supporting circuitry. The additional space within the handset is utilized for placement of a battery pack power supply for transportable operation of the apparatus. The apparatus is smaller, simpler and lighter in weight than conventional class 1 cellular apparatus.

Abstract: An electronic apparatus for installation in an automobile, such as a radio receiver, includes in a removable part thereof elements which are indispensable to the operation of the apparatus and also elements whereby the removable part can serve an independent function. If, for example, the indispensable elements include a key and a display screen, then simply by also including an audio element in the removable part a parking timer can be formed which alerts the holder of the key against overtime parking.

Abstract: An anti-theft system is described adaptable to any motor vehicle having a removable accessory electronic unit such as a high-fidelity stereo component unit installed within a mounting bracket and slidably detachable therefrom. Upon leaving the car, the vehicle owner takes along the entire accessory unit, or alternatively takes only a detachable front control panel from the unit, for secure safekeeping or to be retained in the personal possession of the owner. At the same time, continuity of the electrical circuit supplying current from the storage battery to the motor vehicle fuel pump (or ignition switch, or other control component of the vehicle) is interrupted, thus preventing normal operation of the vehicle and protecting against unauthorized use.

Abstract: When an operating unit (10) of a vehicle-mounted electronic equipment is attached to its equipment body (20), a first engaging portion (18) and a second engaging portion (24) of engaging means are engaged and the operating unit is turned around the engaging means in a direction in which the operating unit contacts the equipment body substantially completely. In this case, a releasing member (11) moves a locking member (4) to a releasing position. Under such situation, a locking portion (7) of the operating unit and a locking portion (6) of the equipment body are aligned in position. The locking member (4) is then turned to a locking position where the locking means is locked to thereby complete the attachment of the operating unit to the equipment body.

Abstract: A car stereo has a detachable grille attached to a body of the car stereo. The grille has a power input terminal connected to a power supply terminal of the body, a data input terminal connected to a data output terminal of the body, a display, and a microcomputer for operating the display to display data in accordance with data signal applied from the body through the data terminals. Disconnection of the data input terminal from the data output terminal under the condition of the connection between the power input terminal and the power output terminal is detected. At the disconnection, the microcomputer stops the operation of the display.

Abstract: A car audio apparatus mounted on an automobile and having a function for preventing theft, the car audio apparatus includes a main body portion fixed to the automobile and a front panel detachably mounted to the main body portion of the audio apparatus. The main body portion has a CPU and a first memory for storing a first secret code and the front panel has a second memory for storing a second secret code. The CPU is capable of respectively reading out the first and second secret codes from the first and second memories and comparing the first secret code with the second secret code so that when both secret codes agree, the CPU enables operation of the car audio apparatus and when both of the secret codes do not agree, the CPU inhibits the operation of the car audio apparatus.

Abstract: A car stereo has a detachable grille attached to a body of the car stereo. A display is provided on the car stereo body for display operating modes of the car stereo. A cover is provided on the car stereo body for covering the display when the grille is detached. The cover is moved to a retracted position so as to expose the display when the grille is attached to the body.

Abstract: A shield device for any phone with an antenna that emits and receives microwaves, in particular cellular phones. The shield device protects a user by blocking the passage of microwaves to and from the cellular phone antenna while the phone is in use. In the first embodiment of the invention, the shield device comprises a rectangular shaped body with an upper tab for attaching the shield device to the antenna and two opposing lower tabs for attaching the shield device to the upper portion of the cellular phone. The shield device consists of a cover with a pocket for receiving the shielding member. In a second embodiment of the invention, the shield device contemplates a semi-circular hollow tubular member adapted to fit over an antenna. The tubular member has an elastic bottom portion adapted to fit firmly over the antenna ferrule. The bottom portion of the tubular member consists of a resilient disk member, thus protecting the user from any microwaves emitted and received by the antenna.

Abstract: A body of a car stereo has a first substrate and a detachable grille has a second substrate. The second substrate has an operating device, a display and a control unit where an identification data is stored. The first substrate has a grille attachment detecting device a power supply means and a control unit having an identification data discriminating device which discriminates the identification data in the control unit on the second substrate of the grille. When the identification data discriminating device determines that an appropriate grille is attached, the power is fed to the grille through the power supply device.

Abstract: An amplifier unit, adapted for use in a vehicle and for enhancing output signals of the vehicle sound system includes a housing provided with an opening for accessing the interior of the housing, an audio signal input attached to the housing, electric circuitry mounted within the housing which forms an apprible amplifier with basic operating characteristics for amplifying received signals, a connection device for optionally receiving module units having additional circuitry within the housing and for electrically connecting the additional circuitry with the basic electric circuitry to modify the basic operating characteristics of the amplifier, and an amplified signal output. This amplifier unit enables a consumer to buy a basic operable amplifier to which he can add special functions enabling him to build a different amplifier from his basic model.

Abstract: A car stereo has a grille detachably mounted on a stereo body. Engaging recesses are formed at the four corners of the grille. Flexible latch members are provided on the stereo body, each of which is adapted to engage with the corresponding engaging recess of the grille when the grille is attached to the body. A release mechanism is provided on the body, which is operated by a release member provided on the grille. When the release mechanism is operated, the engagement between the engaging recesses and the latch members is released.

Abstract: A recording medium player apparatus comprises a housing having an insertion slot formed at its front surface for insertion of a recording medium. An open/close body, which includes an operation portion, is provided at the front surface to cover or not cover the insertion slot. The player apparatus further comprises first, second and third link members and an engagement/stopper link member. The first link member has one end pivotally mounted on the open/close body. The second link member has one end pivotally connected to the other end of the first link member. The third link member has one end pivotally connected to the other end of the second link member. The engagement/stopper link member has one end pivotally connected to the other end of the third link member and is pivotally mounted at a center portion thereof to the housing. Thus, the engagement/stopper link member is releasably locked on the open/close body when the body is in a closed position.

Abstract: An apparatus including a main housing, with a first and second detachable speaker mounted thereto, each speaker includes a positive and common connection for selective association with an automotive speaker wiring harness. The apparatus includes a cavity for reception of a vehicular radio therewithin and selectively removable forward panels to receive an additional booster amplifier in an upper section and storage, wherein the storage includes an aligned series of "T" shaped recesses to selectively receive audio cassette members or compact disk plates selectively within each "T" shaped slot.

Abstract: A locking mechanism comprises a chassis, a floating unit supported movably by the chassis through the intermediary of a damper, a shift plate provided in the chassis and movable by a drive power of a motor, a link mechanism cable of rotational movement by the movement of the shift plate, and a lock plate movable by the link mechanism. The shift plate has a first lock part movable in a first direction, the link mechanism has a second lock part movable in a second direction perpendicular to the first direction, and the lock plate has a third lock part movable in the first direction. The floating unit has first, second and third engaging parts for engaging the first, second and third lock parts, respectively, to limit the movement of the floating unit. A mechanism for limiting the vertical movement of the floating unit is provided in at least one of combinations of the first, second and third lock parts with the first, second and third engaging parts.

Abstract: A burglarproof device includes an accessory switch detection circuit for detecting ON/OFF states of an accessory switch provided in a vehicle. An accessory switch detection signal is sent to an alarm generation circuit. The alarm generation circuit generates an alarm signal when the accessory switch is in an OFF state. This alarm signal alarms that a detachable electronic equipment adapted to be mounted in vehicles which has been mounted in a vehicle is actually attached to the vehicle. This alarm informs a driver that he forgets detachment of the electronic equipment adapted to be mounted in vehicles, thus preventing burglarly.

Abstract: A D.C. modulated phase locked oscillator (60, 80, 100, 140, 160, or 190) and a radio frequency receiver (200) that utilizes the D.C. modulated phase locked oscillator (60, 80, 100, 140, 160, or 190) both include a phase locking oscillator (70, 90, 128, 180, or 192) and a D.C. modulator (72, 92, 130, 156, 182, or 194). Both a forward path (14) and a feedback path (16) are D.C. modulated. D.C.

Abstract: DAT system includes a transportable unit provided with a recording/reproducing magnetic head operatable with respect to a DAT cassette tape loaded thereto. The unit is fittable to a sleeve secured to an opening of a dashboard of an automobile, in which case the system is operatable only to reproduce the digital signal beforehand recorded on the DAT cassette tape. There is also provided a cabinet particularly adapted to be installed in home, having a mechanism cooperated with the transportable unit to perform recording operation as well as reproducing operation, when the unit is fitted to the cabinet.

Abstract: Box-shaped frame (10) to carry removeable car radio sets (50) in motor vehicles, in which the position of the rear end (30), on which there are electric connections (41), is adjustable to adapt the frame to car radios (50) of different lengths, by means of a series (22), (23) of notches (24), (25) placed on the windows (21), (22) in the opposite sides of said frame (10), which notches (24) (25) can be penetrated by strip-like projections (36), (37), fixed to the edges of the short elastic sides (32) (33) of the above rear end (30).

Abstract: The present invention relates to a system for receiving radio-waves used in a motor vehicle. The system is characterized in that it comprises an amplification unit (3) presenting a housing (5) of a removable tuner control part (4) which, when introduced in the housing (5) is electrically connected to the amplification unit (3) in order to make the reception system operative. The present invention applies particularly to the protection against theft of car radios.

Abstract: An alarm or indicating system for indicating that an automotive appliance has been left in the vehicle. The system includes a circuit powered by the battery of the vehicle and a first switch which is closed by inserting the appliance into a predetermined position in the vehicle and opened by removing the appliance from the predetermined position. The circuit further includes a control switch that is operated by the door of the vehicle such that when the door is opened the control switch will be closed to energize the circuit of the appliance is in its predetermined position. When the operator removes the appliance it will open the first switch to de-energize the circuit and the alarm. When the door of the vehicle is closed the control switch will be opened and the alarm circuit will be de-energized.

Abstract: A detachable radar unit for a motorcycle unit is presented. An outer shell is permanently attached to the side of a motorcycle helmet. A radar sensing unit may be inserted into the shell, making electrical contact with a microphone and light panel attached to the helmet. The radar sensing unit may also be detached from the helmet and attached to a car or boat by using separate shells permanently mounted on the car or boat. A special quick disconnect plug in the unit's power supply cord is provided which quickly and easily disconnects the helment from the motorcycle should the need arise.

Abstract: A plurality of speakers and related audio system components are transported to and from an outdoor marine location by a packaging arrangement which includes a pair of weather-resistant carrying containers that are detachably secured. When secured together, the containers carrying their respective speakers are transported as an integrated cargo unit. When detached, each container carrying its respective speaker is independently transported as an individual cargo unit.

Abstract: A package and a method for making the package for mounting a sound system on a motorcycle, which is easily attached and detached from the motorcycle is disclosed. The components of the sound system are generally surrounded by a cushioning filler and enclosed in a housing formed of a durable flexible fabric. The package is attached to the motorcycle by the magnetic force provided by magnets mounted in the bottom of the housing.

Abstract: A radio telephone set comprises switch circuitry, a telephone circuit and a battery for portable operation, which battery may be a built-in battery. When the radio telephone set is not mounted on a vehicle, the switch circuitry is not connected to a battery of the vehicle and feeds power from the built-in battery to the telephone circuit. Thus, the radio telephone set can be used as a portable set. When the radio telephone set is mounted on the vehicle, the switch circuitry is connected to the vehicle battery and this connection causes the automatic switching of the power supply to the telephone circuit from the built-in battery to the vehicle battery. Thus, the radio telephone set can be used as a vehicle-mounted, or onboard, set.

Abstract: An audio set includes a main body which is positionable behind a dash board of a car, a nose piece which extends through the dash board and a trim plate which is positionable in front of the dash board. The set also includes a function box which fits within and is removable from a recess. The set also includes a contact block assembly which includes a connector pin for electrically connecting the function box to an electrical component within the main body when the function box is located within the recess. The pin is covered and protected when the function box is removed from the recess.

Abstract: An electronic unit operable in conjunction with a body unit and used by mounting it on an automotive vehicle. The electronic unit includes first and second connectors which produces a coupled-status signal when the electronic unit is coupled to the body unit and a decoupled-status signal when the electronic unit is decoupled from the body unit. A microcomputer is coupled to the first connector and is selectively placed to a start mode when the coupled-status signal is received from the first connector and to a stop mode when the decoupled-status signal is received therefrom. The microcomputer produces clock pulses when it is in the start mode and a stop signal when it is in the stop mode. A timer is coupled to the microcomputer and outputs a reset signal to the microcomputer when the clock pulses are not received for more than a predetermined period of time. The timer further inhibits the reset signal from being outputted when the stop signal is received.

Abstract: A shoulder holster carrying device for a removable vehicle radio. The device includes a frame member which fits about the periphery of the forepart of the radio and a shoulder strap which is selectively attachable to the frame member.

Abstract: A visor clip for mounting a police radar detector to the visor of a vehicle having a parallelogram shaped linkage pivotally connected to the top of the detector supporting base. A clip arm is provided at the upper side of the linkage for engaging the top of a visor. The linkage is spring biased forward and downward. The clip arm is longer than the base so as to clamp the visor between the arm and the detector case, tightening the detector to the base to which the detector is removably attached. The tightening action of the arm operates to press against the detector case to hold the clip onto the detector when the combination is removed from the visor. Friction enhancing horizontal ridges on the underside of the forward end of the clip arm urge the linkage backward to raise the clip arm upward when the combination is pushed onto the edge of a visor.

Abstract: An adjustable, portable console sleeve for radios, for receiving and operating an automobile radio tuner. The console sleeve has a generally rectangular housing with a rectangular opening formed along one side for receiving and enclosing the radio tuner. At least one speaker is mounted within the generally rectangular housing, as well as a one battery and an antenna. A plurality of connectors are disposed within the rectangular opening of the housing, and coupled to the speakers, battery, and antenna. The connectors are aligned with the connectors of the automobile radio tuner and are mounted on a movable connector wall. The movable connector wall has its ends mounted to the side walls defining the opening of said housing and can be adjusted to accommodate the tuner.

Abstract: An anti-theft device for a car radio having a theft module, which renders the car radio inoperative when the radio is slid out of its installation recess in the vehicle, is provided by a joint housing for a power supply and anti-theft protection plug connection elements, as well as for a change-over switch controlling the theft module. The housing is fastened via the plug connection elements at the rear wall of the car radio such that the change-over switch is inevitably actuated by the frame of the installation recess during the sliding-out of the radio.

Abstract: A car electronic device removably mounted in position of a car includes a pivotable handle which is used to mount the device in the car or transport outside the car. The handle may be held to a sitting position aligned with the front face of the device to show it as a continuous part of a fixed member of the device so as to not only improve the appearance of the front face of the device but also establish a psychological antitheft effect.

Abstract: A skateboard having an associated audio entertainment device is disclosed. The skateboard includes a forward truck and wheel assembly and a rearward truck and wheel assembly. A tail skid plate is preferably mounted at the rear of the skateboard on the lower surface thereof. An audio entertainment device, such as a radio receiver, is mounted to the lower surface of the skateboard between the rearward truck and the tail skid plate such that contact with the ground by the audio entertainment device is prevented and possible damage is minimized. The mounting position of the audio entertainment is preferably such that an associated speaker is mounted directly beneath one or more apertures in the skateboard so that the audio output of the speaker is directed upward. An acoustically permeable screen is utilized to protect the speaker and, in a preferred embodiment of the present invention, a guard plate is provided to further protect the audio entertainment device from inadvertent contact with the ground.

Abstract: An apparatus for converting a motor vehicle plug-in audio unit into a remote playable unit is provided and consists of a housing to receive the audio unit, a circuit within the housing for supplying DC power to the audio unit and a pair of speakers electrically connected to the audio unit so that the audio unit can be played away from and independently of the motor vehicle.

Abstract: An anti-theft arrangement for a sound-reproducing apparatus, such as a radio, installed into a mounting compartment of a motor vehicle whose contact arrangement assures a high functioning reliability both during the driving operation as well as during service and installation operation as also during unauthorized removal of the apparatus.

Abstract: A method and apparatus for adapting a portable radio transceiver (10) for configuration in electronic communication with a main console of a fixed or mobile communication system. The apparatus employs a bracket (36) which serves to extend, by cables 52, 54, various functional input terminals at the console to function contacts (44, 46) at the bracket (36). The transceiver (10) includes apparatus (34) for mating the transceiver (10) to the bracket (36). The bracket (36) carries a track (50) for accepting the track rider mating apparatus (34) of the transceiver (10).

Abstract: An acoustic apparatus such as a radio receiver and tape player is mounted into an interior panel such as a dashboard of an automobile. The acoustic apparatus includes a housing having a size insertable into an aperture formed in the interior panel. The housing is inserted through the aperture from the front side of the interior panel and is firmly attached to the interior panel by manually actuating mount knobs provided in the front of the housing. A theft detecting circuit arrangement including a switch operable from the front side of the housing is provided in the housing and protective members are provided for covering the mount knobs. The protective members include operating plates for operating the switch. Upon the detachment of the protective member, the electric circuit arrangement is actuated to produce a warning signal to prevent the detachment of the acoustic apparatus from the interior panel without permission.

Abstract: To actuate an alarm in an automotive vehicle, already present therein, upon theft of a car radio or the like, an electrical switch is formed by a leaf spring (27) secured to a reception frame (11) installed in the vehicle, and insulated therefrom. The leaf spring (24, 24') has a free contact terminal end (27, 27') which, in one embodiment (FIGS. 2, 3), is insulated from contacting the metallic frame when the radio housing (10, 15) is properly secured in the frame by engagement of springy interlock abutments (18) in reception windows (21) in the frame. When properly secured, the free ends (27) of the springs engage a contacting metallic surface (28) on the housing (15) of the radio; upon removal of the housing, the end (27) of the leaf spring (24) rides on an insulated strip and, upon total removal, remains free, so that the switch changes state, thus actuating the alarm; in accordance with another embodiment (FIGS.

Abstract: A vehicular battery charger connects with a battery powered portable radio via plural electrical contacts including a so-called "universal device connector" (UDC). A battery contact interface is also provided. Battery charging current as well as auxiliary radio operating power is made available at the contact interfaces. In addition, the charger is capable of remotely controlling the modus operandi of the portable radio device so as, if desired, to convert the portable radio device to provide vehicular mobile or fixed base radio operations during the battery charging process. If such modified radio operation is desired, the battery charger detects current being drawn from the external radio power supply source (for supplying power to the radio operating circuits independently of the portable radio battery which is then being charged) and automatically reconfigures the portable radio device as needed to effect the vehicular mobile or fixed base operation.

Abstract: A portable radio transceiver and mobile mount housing are disclosed which utilize a switchless connector for connecting the portable unit to an external antenna which is electrically coupled to the mobile mount. In the preferred embodiment, the portable radio is equipped with an internal antenna which is either coupled to an electrical contact on the exterior of the portable unit adaptable to making electrical contact with a similar contact on the inside of the mobile housing when the portable radio is inserted therein. The internal antenna in the portable unit is shielded by the metallic mobile mount housing which obviates the need to disconnect the same. In one embodiment the contact disposed on the portable unit exterior is connected to a predetermined point on the internal antenna for impedance matching with the external antenna when the portable unit is inserted into the mobile mount housing.

Abstract: An apparatus is disclosed for displaying a video program in an automobile to backseat passengers. The apparatus includes one portion which securely accomodates a TV. To it is rotatably coupled a panel which securely accomodates the VCR and can be swung against the first portion to form a space for protecting the the TV and VCR from damage. One embodiment includes a padded head portion and two panels respectively suspended therefrom by a hinge. The rearward surface of the head portion has an opening in which a television set is secured and through which the screen is visible. Padding in the head is provided for passenger safety. Audio is available from an assembly mounted on the rear panel. Video tape playback is provided by a VCR mounted on the front panel. All the components are combined in a single unit to be easily installed into and removed from the automobile.

Abstract: A theft-resistant audio system for a vehicle including a housing or chassis enclosing a digitally-controlled audio signal source and microprocessor-based controller therefor which is securely and permanently mounted to the vehicle behind the dashboard, and a user interface unit containing manual input controls and an audio system status display which is pluggable into the front of the permanently secured housing through an opening in the dashboard to facilitate removal thereof when the vehicle is unattended to thereby render the audio system unusable and hence of little value to a potential thief.

Abstract: A switch and an actuator therefore are arranged, respectively, on the portable radio unit and the carrying holder therefore in a manner such that, when the radio unit is inserted in the carrying holder, the switch is actuated to disconnect the microphone-speaker built in the radio unit or left intact, depending upon whether the radio unit is inserted with its grilled face directed backward or forward. With such arrangement, any unwanted increase in power consumption of the speaker circuit of the receiver or noise intrusion to the microphone circuit of the transmitter can be avoided even when an external microphone-speaker is connected to the radio unit. The built-in microphone-speaker can be used even in cases where the radio is carried on a person as at his waist.

Abstract: Apparatus having an integral coaxial antenna coupled via a coaxial connector to its internal circuitry has a coaxial switch/connector for alternatively coupling an external coaxial signal source to the internal circuitry, thus reducing impedance mismatch to a minimum with no impedance matching network required.