Abstract: A cellular telephone with a changeable key arrangement has a housing, a first circuit board, a second circuit board, and a processor. The housing has a plurality of keys arranged in a first manner. The first circuit board is a rigid printed circuit board having a first connector on an upper side of the first circuit board. The second circuit board is installed above the first circuit board and below the plurality of keys. The second circuit board has a plurality of key switches arranged in the first manner for interacting with the plurality of keys to generate corresponding key-pressing signals, and a second connector detachably connected with the first connector for transmitting the key-pressing signals. The second circuit board is changeable so that keys arranged with different patterns can be installed onto the housing.

Abstract: An improved LCD display module for use in a radio telephone has integrated side keys which simplify the assembly of the telephone and provide other advantages.

Abstract: A double super tuner for receiving television signals from conventional broadcast, CATV, satellite broadcast, and HDTV. A first frequency converter converts an input high-frequency signal in a first intermediate frequency band signal based on a first local oscillator signal. The output of the first frequency converter is band-pass filtered by a dielectric filter. A second frequency converter converts the output of the dielectric filter into a second intermediate frequency band signal based on a second local oscillator signal.

Abstract: A casing for electronic equipment including first and second structural elements and a structure for mechanically connecting the first and second structural elements by elastic engagement. The structure for mechanical connection including an elastically deformable leg integral with the first structural element, a transverse projection borne by the leg, and a shoulder formed on the second structural element. The shoulder constitutes a stop configured to collaborate with the projection and hold the leg in place. The structure for mechanical connection by elastic engagement includes a structure for immobilizing the projection facing the shoulder.

Abstract: A phone accessory which include an insert which can be positioned between a phone and power source. The insert has a first side with a set of electrical contacts which align with electrical contacts on the phone when the phone is attached to the insert. The insert also has a second side with a set of electrical contacts which align with electrical contacts on the power source when the power source is attached to the insert. When the insert is positioned between the phone and the power source, the phone is in electrical communication with the power source through the insert. The insert also includes an insert dataport which couples with a dataport on the phone when the phone is attached to the insert. A virtual image display is attached to the insert and in electrical communication with the insert dataport for receiving image data from the phone through the phone and insert dataports.

Abstract: An improved modular masthead for use in cellular communications networks is described. The masthead unit includes a power amplifier, a duplexer and a local power supply that supplies the power amplifier. The power amplifier is arranged to amplify outgoing communication signals received from a base station. In a preferred embodiment, the masthead also includes a low noise amplifier for amplifying incoming communication signals and passing the amplified incoming communication signals to an associated base station. With this arrangement, the masthead forms a modular unit that is distinct from the base station such that the modular masthead may be replaced independently of the base station. With this arrangement the range of a cell within a cellular network may be changed by simply swapping an existing masthead unit with a second masthead unit having a different power supply thereon and making software changes in the system.

Abstract: An integrated outdoor radio and directional antenna system provides a direct RF connection(s) on the signal path between a directional antenna and radio components to remove the lossy RF cable(s). Direct connections between the various components of the integrated radio and directional antenna system enable reduced cost and ease of manufacture. In certain embodiments, the integrated directional antenna and radio system provides a direct RF connection between the directional antenna and the radio, and a printed wiring board (PWB) -mounted connector provides a direct digital connection between the radio board(s) and a medium access control (MAC) board. An input/output (I/O) interface provides a digital network interface between the MAC unit and indoor processing circuitry. The digital network interface enables packets of digital information to pass between the indoor processing circuitry and the integrated directional antenna and radio system.

Abstract: An electromagnetic sound generating body composed of: a sound generator; a casing having an upper case and a lower case combined together, the casing incorporating the sound generator; a sound release hole formed in the casing; and connector terminals projecting from the casing. Because the electromagnetic sound generating body can be electrically connected to the printed circuit board simply by inserting the connector terminals tin the external terminals, there is no need to surface-mount the electromagnetic sound generating body onto the printed circuit board. Therefore, vibrations of the electromagnetic sound generating body do no produce noise in the electronic components and circuits mounted on the printed circuit board.

Abstract: The present invention relates to two modules containing electronic equipment, one relatively small, and one relatively large, that will be physically connected and used for extended operation in an environment where the ambient atmosphere contains moisture filled air or some other specified environmental contaminant. An absorber such as desiccant of a prescribed amount is contained within at least the relatively large module to control the absolute humidity and/or environmental contaminants within each module during extended operation in the ambient environment. Permeable wall portions are placed in the region between the relatively small module and the relative large module to allow for moisture and/or other specified environmental contaminants to pass from the relatively small module to the relatively large module. As such, the lifespan of the small module can be extended.

Abstract: A method for allocating a geographical identifier is executed in a network for supporting a plurality of movable hosts being moved among a plurality of sub networks as keeping communications therebetween. When movable hosts 100, 101 moves to a sub network 110, an agent 120 of the sub network 110 allocates the same geographical identifier depending on the sub network 110 to the movable hosts 100 and 101 and stores logical identifiers and link layer addresses of the movable hosts 100 and 101. The packets destined for the movable hosts 100 and 101 are sent to the agent 120. The agent gets to know the link layer address corresponding to the logical identifier of a destination movable host described in a network layer header of the received packet from the registration table, generates the link layer header of the destination movable host, and add the link layer header to the received packet before transferring the received packet.

Abstract: A portable electronic device including a display detachably mounted to a power source. The display including a virtual image display apparatus. The power source including a detachably mounted battery. A communication interface is provided between the display apparatus and the portable electronic device for permitting data exchange between the display apparatus and the portable electronic device. The communication interface provided can be either a standard electrical interface such as an electrical connector or a solid form factor design including cooperating contact areas or a wireless interface such as an infra red optical link or a radio frequency link.

Abstract: A novel communications modular docking station receives information related to one or more types of services and forwards information to one or more subscriber destinations. The communications modular docking station includes a housing and a single coaxial line-in on the housing for receiving the service information from an optical node in communication with a central office and for receiving power from a power hub. The communication modular docking station is engageable with a module having a flange which can be slidably received in a slot on the communications modular docking station. The slot is at least partially defined by a wall which limits the distance the flange can be slid along the slot. The module is secured to the communications modular docking station by a securing member which is received in a bore on the wall of the communications modular docking station. Within the housing is a communicator, and on the housing is a line-out.

Abstract: According to the present invention, a technique for processing data is provided. The invention provides a flexible way to process data such that a user may conveniently enter and transfer data. Also, the user may have ready access to powerful data processing. In an embodiment of the present invention, a novel system (110) for mobile data processing is provided. The system includes an interface unit (116) that includes a processor (122). A positioning system (120) couples to a first antenna (126) and to the processor. A remote data terminal (118) electrically couples to the interface unit during at least a first time period. The remote data terminal is capable of data transfers with the interface unit during the first time period and with a user.

Abstract: The invention discloses a wrist-device which comprises a first module (1) such as a personal computer and a second module (2) consisting of a mobile telephone or a wireless telephone terminal which are coupled by means of elements (15) in a bracelet configuration for holding the device to the forearm of the user, and wherein windows (12) are provided in said modules for the passage of electronic connection buses (13) between said modules (1 and 2).

Abstract: A system that partitions or divides the functions of a radio into channels and divides the functions of each channel into two major functions: 1) antenna interface and power amplification; and 2) hardwired mixing, modulation/demodulation and signal processing and further partitions the mixing through signal processing functions into the functions of a) programmable analog mixing and b) programmable digital modulation/demodulation and signal processing. Control and user interface functions, if needed for a particular application can also be functionally partitioned.

Abstract: An emergency response communications system including a system capable of being transported and may include a plurality of radio connection ports with special latching multi-pronged ports, a computer power source outlet, overload protector, battery condition indicator, master power switch, at least one portable gel cell DC battery, various power circuits throughout the system, a resistant case able to withstand a substantial impact load to protect the gel cell DC battery, a mobile frame, a DC to AC inverter, a battery charger, a fax machine power outlet, a battery condition indicator, and possibly, a light mounted to the case and a retractable antenna mounted to the case. In some embodiments, a variety of features may be incorporated into the case and may be transported without the frame.

Abstract: A cellular mobile telephone apparatus including a main body, and an alarm device which is provided separately from the main body, the main body including: receiving/transmitting unit for receiving and transmitting radio frequency signals between a base station; modulating/demodulating unit for modulating and demodulating between the radio frequency signals, and a conversation signal and a control signal; telephone receiver unit for reproducing audible conversation voice in response to the demodulated conversation signal from the modulating/demodulating unit; telephone transmitting unit for converting conversation voice into the conversation signal; a controller for controlling operation of the main body of the cellular mobile telephone apparatus in accordance with the control signal; and an alarm device for providing an alarm signal which includes an identification information and is transmitted through the radio frequency, when a call is terminated at the main body; and the alarm device including: receiving

Abstract: A portable electronic device including a display carrier detachably mounted to the portable electronic device. The display carrier including a virtual image display apparatus. A data communication interface is provided between the display carrier and the portable electronic device for permitting data exchange between the display apparatus and the portable electronic device. The display apparatus including a binocular optical system for providing an image output at a right eye output and a left eye output.

Abstract: A mobile satellite communication terminal capable of performing satellite communication both indoors and outdoors. In an indoor mode, the mobile satellite communication terminal includes an indoor terminal for carrying out transmission or reception of a signal through a ground radio link and a repeater terminal installed in such a location that the repeater terminal can get an unobstructed view of a satellite for carrying out transmission or reception of a signal through a satellite communication link. In an outdoor mode, an antenna of the indoor unit is replaced by an antenna for the satellite communication link, whereby the indoor terminal can be used as an outdoor terminal.

Abstract: An amplifier module for radio frequency signal circuits includes an electrically conductive housing. Two coax connectors are electrically linked to an amplifier circuit contained within the module. A separate transformer is external to the module. Both the module and the external transformer are mountable to a chassis frame. Other modules are usable in the system in addition to the amplifier module. The transformer can be wall mounted to the chassis frame, or the transformer can be internal to a module which also mounts to the chassis frame.

Abstract: A digital communication system with digital short message system text capability including a miniaturized transceiver and cooperating intelligent docking station which provides memory to store the received texts and for indication and selective display of the short message service texts plus additional external communication links to other networks.

Abstract: An integrated local communication system comprising a plurality of locally-positioned communication devices, at least one of which locally-positioned communication devices is operably coupled to a local interface module. A local communication link is selectably effectuated between any two locally-positioned communication devices via at least one local interface module by transforming a non-local communication signal into a local communication signal and transceiving the local communication signal using a single preselected communication protocol that is common to all local communication links. An exemplary embodiment may include at least one mobile station associated with a Public Land Mobile Network, at least one radio-enhanced phone interfacing device associated with a Public Switching Telephone Network, at least one electronic data terminal selectably disposed in a distributed computing environment, and at least one wireless headset for hands-free operability.

Abstract: An apparatus, such as a portable telephone, is disclosed. The telephone includes a chip card reader having a connector and a adapter which has a full-SIM side and a micro-SIM side. The micro-SIM side has a rail and a stop. Further, the adapter is reversibly and removably located in a recess of the telephone. The full-SIM side of the adapter is visible when a full-SIM chip card is connected to the connector of the chip card reader, and the adapter's micro-SIM side is visible when a micro-SIM chip card is connected to the connector. The rail and said stop are arranged to place contact pads of an integrated circuit present on the micro-SIM chip card opposite the connector of the chip card reader.

Abstract: A module for radio frequency signal circuits includes an electrically conductive housing. Coax connectors are secured to the rear face of the housing. A circuit board is contained within the interior spaced between sidewalls of the housing. A ground side of the circuit board includes a layer of electrically conductive material which is electrically connected to the housing. Coax cables extend within the interior of the housing from the coax connectors and between the ground side of the circuit board and an opposing sidewall. An opposite side of the circuit board contains circuit components inner connected with one another through a plurality of circuit paths. The circuit components include an equalizer removable through the forward face of the housing to equalize an RF attenuation across a broad band.

Abstract: A modular unit having a telecommunications component, a switching circuit, and a headset link is adapted for connection with a host electronic device. The headset link of the modular unit communicates with a module link in a headset. The headset also contains earphones or a speaker, a microphone, and a control panel in electrical connection with the module link of the headset. The speaker, microphone, and control panel of the headset communicate with the headset link of the modular unit through the module link in the headset. The switching circuit of the modular unit controls whether the headset link of the module is in electrical connection with the telecommunications component of the modular unit or an electronic audio component of the host electronic device.

Abstract: A portable electronic device (100) includes a housing cover (110) having a faceplate location (145), an electronic circuit (115), and a first faceplate (140). The location comprises a generic controls cutout (135) and a generic display cutout (130). The electronic circuit includes a specific set of controls (125) fitting within the generic controls cutout and a specific display (120) fitting within the generic display cutout. The first faceplate (140) is mounted in the faceplate and has a specific controls cutout (155) that is conformal to the set of specific controls (125) and a specific display lens (150) that is conformal to the specific display (120) and is one of a set of faceplates, wherein the first faceplate (140) is incompatible with another faceplate in the set of faceplates.

Abstract: A device for moving and detaching a panel opens and closes a recording medium inserting slot installed at an escutcheon by upwardly and downwardly moving a sliding plate connected with a rear face of the panel by using a push-pull portion installed at the car audio body. The push-pull portion pushes and pulls one side of the sliding plate in one of the directions toward the panel and the car audio body. In both side walls of an escutcheon there are formed guiding grooves having a gentle slope in a longitudinal direction. The sliding plate has engagement protrusions for connecting the guiding grooves and a connecting portion to rotatably connect one side of said sliding plate and push-pull portion. The push-pull portion has connecting pieces connected with a connecting portion of the sliding plate and a limited movement portion to slide the sliding plate in a predetermined range.

Abstract: A radio unit of a radio telephone set is provided with current input connections comprising separate identification inputs through which is indicated the type of phone module, and internal or external power supply thereof, which is connected to the radio unit. A control element in the radio unit is programmed to adjust the operating parameters of the radio unit in accordance with the type of phone module which is connected.

Abstract: A portable remote terminal includes a case, and a remote terminal body assembly into which at least a printed-circuit board having electric circuits required for the portable remote terminal and a loudspeaker electrically connected to the printed-circuit board are assembled, the remote terminal body assembly being housed in the case.

Abstract: A mobile communications network and a mobile communication method for reducing loads to be incurred to the mobile communications network which loads occur because the user changes its mobile communication terminal. Mobile communication terminal numbers of mobile communication terminals (21), (22), IDs of users (31), (32) of the mobile communication terminals, and at least one address to be used by each user when the user performs a communication. The mobile communications network comprises an address/user corresponding table (13) having a table for bringing addresses to be used in each of the multiple communication methods and a user ID into corresponding relation. When a terminating request specifying an address is made, a user ID corresponding to the specified address is obtained using the address/user corresponding table.

Abstract: A radio modem for a computer receives a calling signal and stores a message included in the calling signal. A case is connected to the radio modem electrically through connection parts. The case is supplied the message from the radio modem via the connection parts and displays the message on the display.

Abstract: A radio receiver augmentation system for insertion in a cassette player or compact disc player includes a receiver unit and an antenna unit. The receiver unit includes an insertable element having a size and shape suitable for insertion in a tape cassette receiving slot of a cassette player/radio combination or in a compact disc receiving slot of a compact disc player/radio combination and delivers audio program signals to the magnetic head of the tape cassette player or the optical coupler of the compact disc player. The audio program signals come by retransmission from an antenna unit that receives radio broadcast signals from satellites and their terrestrial repeaters having frequencies in the range of about 300 MHZ to about 4000 MHZ. The system's circuitry conditions the signal for aural presentation through the tape cassette player/radio combination or compact disc player/radio combination.

Abstract: A telecommunications equipment enclosure, designed to be placed outdoors at a remote location, houses equipment to provide a large number of voice channels, an AC power supply, an AC/DC distribution panel, protector panels, a back-up battery plant, multiplexers, a fiber distribution panel, and a separate cable splice area. Other equipment may also be housed in the enclosure if needed. The enclosure is configurable to customers' requirements, and is extremely small and densely packed relative to its channel capacity.

Abstract: An adapter (10) for a cellular telephone includes a first coupling apparatus (21) disposed on a first surface (30) of the adapter (10). The first coupling apparatus (21) is for engaging coupling apparatus disposed on a rear surface of the cellular telephone. The adapter (10) also includes an earpiece (40) coupled to a side (33) of the adapter (10) and a second coupling apparatus (23, 24) disposed on a second surface (32) of the adapter (10). The second coupling apparatus (23, 24) engages coupling apparatus disposed on a power source. The earpiece (40) comprises a speaker electrically coupled to connections on a connector for tapping an external audio output of a cellular telephone. The speaker (40) is constrained to maintain a position within one-half centimeter of the side (33) of the adapter (10). An outer shell of the earpiece (40) is connected to the side (33) of the adapter (10) and protrudes therefrom by a distance of less than a centimeter.

Abstract: An electronic device (100) coupled to a power source (130) having a positive terminal and a negative terminal includes a positive connector (150) for coupling to the positive terminal of the power source (130) and a negative connector (160) for coupling to the negative terminal of the power source (130). An alert circuit (135) coupled to the positive and negative connectors (150, 160) indicates when the power source (130) has been coupled to the electronic device (100) improperly.

Abstract: A radiotelephone/pager unit (100) includes a housing enclosing (102, 104) radiotelephone circuitry (224) coupled to a radiotelephone antenna (108) operable at radiotelephone frequencies and pager circuitry (218) coupled to a pager antenna (212) operable at pager frequencies. The radiotelephone antenna (108) is located outside the housing (102, 104) in a conventional manner. The pager antenna (212) is located outside the housing (102, 104) and concealed under or integrally formed with a hand grip (122), a display lens (402), an escutcheon (502), a keypad (110), or a cap (601) such that the pager antenna's presence is unnoticeable to a user. The pager antenna (212) forms a loop antenna substantially surrounding a user interface element such as a display (112), a keypad (110), an earpiece (114) or volume control buttons (118, 120) to minimize space.

Abstract: A compact portable cellular telephone extension that provides additional electronic functions is implemented in a case attachable to a first external surface of the cellular phone to form a physically integral unit. A connector is supported by the case and couples the extension electronics to the cellular phone electronics. The connector connects through a second external surface of the cellular phone that lies in a plane different from the plane of the first external surface. A speaker arm extends from the case and supports a speaker unit. The speaker arm is positionable in a first position adjacent a third external surface of the cellular phone and in a second position away from the third external surface allowing the case to be readily attached and detached.

Abstract: A radio frequency apparatus has a tuner unit which is disposed in a tuner unit housing, and a demodulation unit which is disposed in a demodulation unit housing easily attached or removed to the tuner unit housing by a connecting device provided on side walls of the tuner unit housing and the demodulation unit housing.

Abstract: An anti-theft device for electronic equipment mounted in a vehicle, such as audio systems, includes a housing for storing electronic component of the audio system and a detachable control panel that can be removed when the operator leaves the vehicle. A replacement detachable panel can be mounted on the housing to enable a locking of the housing to the vehicle dashboard. The second detachable panel can include an alarm, an ultrasonic sensing device, and a self-contained power source so that a security alarm system can be activated by the installation of the second detachable panel as a further deterrent to theft.

Abstract: A radio accessory (20) for a personal computing device (50) has a receiver (30) and an interface circuit (32) for receiving and digitizing paging signals modulated on a radio frequency carrier. The paging signals are encoded in accordance with a predetermined protocol such as POCSAG. The personal computing device (50) then decodes the digitized paging signals in accordance with software instructions provided either by the instruction memory (40) in the accessory (20) or on a disk (84). The accessory (20) also has an identification code which validates software from the disk (84) to deter unauthorized use of the accessory (20). The accessory (20) also has a transmitter (28) for sending wireless information.

Abstract: Unauthorized access of a wireless communication system may be prevented by providing a communication apparatus. The communication apparatus includes a communication unit (102) and a proximity user card (115). The proximity user card (115) communicates user identification information with the communication unit (102) over a second RF communication path (119). The user identification information indicates whether the proximity (115) is within a predetermined distance of the communication unit (102). When the proximity user card (115) is separated by more than the predetermined distance, the communication unit (102) will transmit an invalid proximity message to the central controller (101).

Abstract: A main body of a portable radio apparatus is split into an upper box and a lower box, and the upper box is connected to the upper part of the lower box to be rotatable about a hinge section. An antenna is similarly connected to be rotatable on the hinge section. When the lower body is swung open, the antenna is also swung simultaneously. As the antenna can be further swung, the distance between the head of the user and the antenna can be maximized during communication.

Abstract: In a transceiver circuit module, a transmitting circuit section and a receiving circuit section are located on a board, and the transmitting circuit section and the receiving circuit section are electromagnetically isolated from each other by an electromagnetic shield wall.

Abstract: The invention relates to an assembly for radio communication containing all the electronic components necessary for radio transmission/reception, which can alternatively be connected to a device for voice communication and to a device for data communication.The device for voice communication with the assembly (which, according to the preferred embodiment of the invention, is implemented on a reduced dimension PCMCIA integrated circuit card) plugged therein, has more or less the same dimension and the same weight of a usual cellular phone device.When radio data transmission is desired the PCMCIA integrated circuit card is to be unplugged from the telephone handset and plugged into a data processing device properly arranged. In this way the data processing device is provided with the capability of radio transmitting and receiving data.

Abstract: A radiotelephone includes a multifunctional headset that operates in two different modes. According to a first mode, the headset may be mounted on a radiotelephone body where it serves as a speaker and microphone for the radiotelephone. Also, the headset can be separated from the body of the portable radiotelephone and placed on the head of the user. In this mode of operation, the headset receives and transmits signals from and to the radiotelephone body during a call, thus providing hands-free operation. The headset can be attached to a user's head by an ear clip. The headset and body may include low power RF transceivers. The headset may contain power saving circuitry to minimize power drain from an internal battery. The battery may be recharged whenever the headset is fixed to the radiotelephone.

Abstract: An anti-theft apparatus for use in a vehicle-mounted electronic component includes a removable control panel. Protrusions on a first side of the control panel engage holes in a first side of an equipment body of the electronic component and function as hinges as the control panel is rotated to a mounted position. A first electrical connector on the equipment body engages a second electrical connector on a rear surface of the control panel and a biasing member exerts a force against the rear surface of the control panel. The control panel includes a recess in a second side into which a locking protrusion of a locking mechanism in the equipment body extends. A button actuates the locking mechanism retracting the locking protrusion and allowing the biasing member to eject the control panel from the equipment body. The locking protrusion is retracted by a sliding cam or directly by depression of the button.

Abstract: A carry case (102) for transporting an electronic device, such as a radio (100) or controller module (300), and providing paging capability when combined with the electronic device. The carry case includes a housing and contained within the housing is a first part or first section of a pager while the electronic device contains a second part or second section of the pager. Electrical interface contacts (504) located within the carry case (102) and electrical interface contacts (204) located within the electronic device allow for the paging circuitry to connect and form a complete pager. The electrical interface contacts of the electronic devices are common so that either can be combined with carry case (102) to provide either a radio and pager combination or a pager only option.

Abstract: An adapter assembly for adapting a portable cellular telephone to receive an external replacement antenna or an external direct feed connection includes an adapter element and a retention element. The adapter element includes an antenna receiving bore at one end, and a positioning member at the other end, and further includes a latching member operable between first and second operative positions. The retention element includes a base cap with an extending actuator that biases the latching member into the second operative position where the adapter element is in engagement with body of the telephone.

Abstract: A compact portable cellular telephone extension that provides additional electronic functions is implemented in a case attachable to a first external surface of the cellular phone to form a physically integral unit. A connector is supported by the case and couples the extension electronics to the cellular phone electronics. The connector connects through a second external surface of the cellular phone that lies in a plane different from the plane of the first external surface. A speaker arm extends from the case and supports a speaker unit. The speaker arm is positionable in a first position adjacent a third external surface of the cellular phone and in a second position away from the third external surface allowing the case to be readily attached and detached.

Abstract: A portable radio device includes a radio device main body, a man-machine interface unit, a first interface unit, a fixing adaptor, and a cord. The radio device main body has a radio unit for transmitting/receiving a radio speech signal and a control unit for controlling a signal transmitting/receiving operation of the radio unit. The man-machine interface unit has a telephone transmitter unit and a telephone receiver unit, which are used for speech communication, and is detachably coupled to the radio device main body. The first interface unit electrically connects the radio device main body to the man-machine interface unit in a coupled state. The radio device main body is detachably mounted on the fixing adaptor. The fixing adaptor supplies power to the radio device main body in a mounted state of the radio device main body. The cord is detachably connected to the man-machine interface unit and electrically connects the man-machine interface unit to the radio device main body through the fixing adaptor.