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| Number | Title | Issue Date |
| 4644350 | Pager with automatically illuminated display A pager comprising a light sensor which is responsive to light externally illuminating the pager to generate a first signal when the sensed light is below a predetermined luminance value. The first signal is supplied to a coincidence gate which provides a... | 02/17/1987 |
| 4639726 | Radio communication apparatus disabled on reception of a predetermined signal In a radio communication apparatus comprising a P-ROM (32), a loudspeaker (34), and/or a display unit (36) and carrying out a receiving operation of selectively receiving a call signal specific to the apparatus by the use of an identification number read ... | 01/27/1987 |
| 4639723 | Data display system A visual display system having a restricted data display capability incorporating a main buffer store (1) having a storage capacity for data lines greater than the display line capacity of the display (2). Status information signals from a control unit 14... | 01/27/1987 |
| 4626842 | Display radio paging receiver for variable length messages A radio paging receiver of the type having a display unit includes a plurality of storage cells respectively for storing received message words therein, and a data processing unit which is arranged to detect a match between a received address word and a s... | 12/02/1986 |
| 4613859 | Pager receiver selectively changeable between call number reception and message reception In a pager receiver responsive to a call number signal preassigned thereto, a decoder (25) detects the call number signal to deliver a call indication signal to a loudspeaker (27) and is connected to a connector (36) for use in releasably receiving a cont... | 09/23/1986 |
| 4591850 | Auxiliary memory in a video display unit of the raster scan type A visual (or video) display unit of the raster scan type has a symbol memory, where the dot patterns of the available symbols are stored, and a refresh memory, where information is stored which identifies the symbols present on the image in question and t... | 05/27/1986 |
| 4536761 | Radio paging receiver having display control means A radio paging receiver which generates an alert tone and a message display on receipt of a selective calling signal, includes a manually operated non-lock type switch which generates first and second control signals. The first control signal stops the ge... | 08/20/1985 |
| 4521776 | Radio paging device including apparatus for preventing undesired device turn-off A radio paging device is provided which includes apparatus for preventing turn off of the paging device until all selective calling message signals which are stored in the pagers memory have been displayed. The pager of the present invention further inclu... | 06/04/1985 |
| 4490579 | Auto-dialing pager receiver A telephone dialing pager providing a visual display of a caller's telephone number and storage of a plurality of telephone numbers of consecutive callers. The stored information data corresponding to each caller's telephone number is recalled for display... | 12/25/1984 |
| 4477808 | Radio paging receiver having stored message protection means A radio paging receiver is provided in which messages are continuously written into a first memory for subsequent display. A second memory is used to selectively prevent the erasure of messages written into the first memory when the first memory capacity ... | 10/16/1984 |
| 4477807 | Radio pager with display device A radio pager receives a signal having a selective calling signal portion and message signal portion and examines the selective calling portion of the signal for its own ID code. Upon detecting a match, an alert signal is provided and the message signal p... | 10/16/1984 |
| 4473824 | Price quotation system A price quotation system for conveying quotations of interest to the financial community comprising a transmitter for receiving a plurality of said quotations and broadcasting serial data representing each of said quotations, a handheld, portable receiver... | 09/25/1984 |
| 4422071 | Paging receiver Paging receiver including a memory for a predetermined address code, a comparator to determine the equality between this address code and a received address code and a message coding device cooperating with a display to represent a received message code, ... | 12/20/1983 |
| 4412217 | Pager with visible display indicating status of memory A radio pager decoder including a register which is incremented when a page is received and a visual indicator which displays a count of the number of received pages. Pages may also be selectively retrieved from memory.... | 10/25/1983 |
| 4403212 | Digital radio paging communication system A paging communication receiver receives carrier waves modulated by a sequence of signals comprising a calling signal, a display information signal and a discriminating signal. The modulated carrier wave is demodulated to retrieve the calling signal, disp... | 09/06/1983 |
| 4392135 | Paging receivers A paging receiver is provided having an information setter that includes a memory device for storing call numbers assigned the receiver to enable it to determine when it has been individually selected by a radio paging message. In addition to the call num... | 07/05/1983 |
| 4385295 | Pager with visible display indicating unread messages A paper with a visual display comprises a radio receiver, means for identifying a desired recipient of signals on the radio receiver, means for storing a signal received on the receiver, means for displaying the number of messages received during a given ... | 05/24/1983 |
| 4383257 | Message communication system with message storage A transmission system develops a binary encoded data train having a message and a header preceding the message. The data train is applied to a carrier frequency to modulate the carrier using FSK techniques. The header includes synch signals, one or more a... | 05/10/1983 |
| 4354252 | Programmable digital data terminal for mobile radio transceivers In a data transmission system, for communicating messages between a base station and a plurality of mobile stations, each mobile station includes a radio frequency transceiver and a programmable data terminal for sending and receiving predeterminedly form... | 10/12/1982 |
| 4336524 | Video display pager receiver with memory A fully automatic pager system wherein a transmitter station automatically sends out an identifying address code to activate a selected pager receiver in response to a telephone call from a calling party who dials the normal telephone number of the party ... | 06/22/1982 |
| 4254404 | Paging and servicing system In conjunction with the play of the game of Keno, a combination ticket holder and transmitter-receiver is located at each player's table. Each player's transmitter is coded with a number (e.g., 60,000) of two-tone sequential codes which are transmitted to... | 03/03/1981 |
| 4249165 | Digital radio pager A digital radio pager provides for the reception and detection of (1) a preamble signal for synchronizing the pager to the incoming signal, (2) a calling signal comprised of a unique word associated with the particular individual pager, and (3) a display ... | 02/03/1981 |
| 4197526 | Miniature pager receiver with digital display and memory A miniature receiver for a paging system having a digital display for displaying a received multi-digit number, and a memory for storing the received number to permit its retrieval and display at a later time. The received digital number may be automatica... | 04/08/1980 |
| 4147984 | Dual digital processor transceiver A transceiver includes a keyboard having a plurality of manually actuable keys for selecting operating modes and channels for operating thereon. A first digital processor has inputs coupled to the keyboard for receiving logic signals therefrom of a first ... | 04/03/1979 |
| 4091373 | Selective calling receiver A selective calling receiver comprises a resettable sound circuit for generating an audible calling sound in response to a calling message, a display circuit for visually displaying a message and a control circuit which is manually operable to reset the s... | 05/23/1978 |
| 4069477 | Tone address decoder for pager An address tone decoder is disclosed for detecting a predetermined address tone code and for activating remaining pager circuitry upon receipt of the appropriate address tone sequence in which the detection of tones of the appropriate frequencies starts n... | 01/17/1978 |
| 4028661 | Pager subsystems A number of subsystems are disclosed for use in pagers in which the message transmitted, received and displayed is in alpha/numeric form. The subsystems include an encoder which displays the encoded message on an imprinted tape which is run continuously a... | 06/07/1977 |
| 4021608 | Print-on-the-fly pager A hand held pager is disclosed which displays a transmitted message in hard copy form on a tape to permit a written record of the message for readout at the convenience of the recipient of the message. The hard copy pager is provided with a printing syste... | 05/03/1977 |
| 4019142 | Selectively callable receiver operated in accordance with tone characteristics The receiver includes a decoder responsive to certain characteristics of a coded signal, such as the frequency of tones, for producing a decoded signal indicative of second characteristics of the coded signal, such as the durations of the tones. A duratio... | 04/19/1977 |
| 3944724 | Paging system with selectively actuable pocket printers A paging system, or the like, having a transmitting station and a plurality of pocket sized subscriber units is disclosed. The transmitting station has a keyboard for encoding alphanumeric characters of a message and a subscriber code, a storage means for... | 03/16/1976 |
