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| Number | Title | Issue Date |
| 6687341 | Network and method for the specification and delivery of customized information content via a telephone interface A communication network for providing customized information content via a telephone. The network includes a database storing a profile of the customized information content, and a server in communication with the database for generating an audio-based in... | 02/03/2004 |
| 5392338 | Entry of alphabetical characters into a telephone system using a conventional telephone keypad A software driven, timing dependant method for entering alphanumerical characters using a conventional push button telephone system having automatic response functions is based upon the position (first, second or third) of each alphabetic letter upon each... | 02/21/1995 |
| 5388154 | Alphabetic telephone dialer apparatus and method A telephone dialing method relating each key of an alphabetic keyboard to a numeric digit and a telephone dialing apparatus and alphabetic keyboard device for sending dual-tone-multi-frequency (DTMF) and/or pulse telephone dialing signals over a communica... | 02/07/1995 |
| 5339358 | Telephone keypad matrix A method and apparatus for the conversion of a standard push button telephone keypad into a data entry terminal permitting full alphanumeric DTMF entry through a telephone system to a file server for delivery to a service provider computer. The alphabetic... | 08/16/1994 |
| 5303288 | Multiple mode cellular telephone control device A mobile communication apparatus such as a cellular telephone for automotive use is provided with selectable modes for accessing stored telephone numbers either by speed-dial codes (i.e., memory storage location) or alphabetic names associated with each t... | 04/12/1994 |
| 5249220 | Handheld facsimile and alphanumeric message transceiver operating over telephone or wireless networks According to the present invention, a hand-held portable transmitter is provided which is capable of communicating with a variety of different message receiving hosts. The transmitter is provided with a technique for generating waveforms to communicate wi... | 09/28/1993 |
| 5031206 | Method and apparatus for identifying words entered on DTMF pushbuttons The identity of a word entered on DTMF (Dual Tone Multi-Frequency) pushbuttons is determined by identifying letters according to their frequency in groups of 2s and 3s and up to n-letter groups. Initially, a sender will type a word on a DTMF pushbutton pa... | 07/09/1991 |
| 4866759 | Packet network telecommunication system having access nodes with word guessing capability A telecommunication system has the ability to identify words typed out on a DTMF multi-button pad, convert the words into digital format at a telephone access node and transmit that information on a packet transport network to a remote access node where t... | 09/12/1989 |
| 4754474 | Interpretive tone telecommunication method and apparatus A telecommunication method and apparatus for the deaf and hearing impaired uses the discrete dual frequency tones produced by each button on a telephone key pad to represent one of three letters inscribed on each key. Apparatus at the deaf person's receiv... | 06/28/1988 |
| 4677659 | Telephonic data access and transmission system A system for transmitting and accessing data through a standard telephone system. The system including activating a key or sequence of keys wherein each key represents a plurality of letters. Signals produced by activating the keys are compared to a data ... | 06/30/1987 |
| 4674112 | Character pattern recognition and communications apparatus A communication apparatus and method designed to interface with a standard, twelve key, dual tone, multiple frequency telephone, which allows easy, non-verbal entry of a message. Although particularly designed for use by the hearing and/or speech impaired... | 06/16/1987 |
| 4658417 | Information transmission/reception system using pushphone and information reception apparatus Letters and a space are assigned to numeric keys of a pushphone. A desired numeral, letter or space is transmitted by depressing a corresponding numeric key a predetermined number of times, and thereafter a specific symbol key is depressed. At a reception... | 04/14/1987 |
| 4650927 | Processor-assisted communication system using tone-generating telephones A processor-assisted system helps persons with speech or hearing handicaps communicate with any telephone caller having an ordinary tone generating telephone. With minimal training, the caller can communicate with the handicapped person using a one key pe... | 03/17/1987 |
| 4649563 | Method of and means for accessing computerized data bases utilizing a touch-tone telephone instrument A conventional Touch-Tone telephone instrument is rendered functional in the same manner and to the same extent as a computer terminal having alpha-numeric capability, as regards transmission of queries directed to computerized data bases. It is also rend... | 03/10/1987 |
| 4608457 | Telecommunications device for the hearing impared This apparatus having means responsive to a dual multifrequency telephone output to provide an electrical signal to an automatic gain control so as to provide preconditioning to a signal for amplification so as to provide an amplified signal to a comparat... | 08/26/1986 |
| 4440977 | Pushbutton decoder and printer Apparatus for sequentially printing characters along a ribbon or paper tape in response to receiving a sequence of touch tone signals. The apparatus comprises a touch tone decoder and a printer. Included in the touch tone decoder is a dual tone multiple f... | 04/03/1984 |
| 4304968 | Telephone electronic answering device A telephone electronic answering device (TEAD), interfaced to the standard telephone mechanism, resembles a pocket calculator in size and shape and receives and records messages sent to it from a caller's telephone. It receives either dual tone frequencie... | 12/08/1981 |
| 4191855 | Full duplex audio response device In an audio response device comprising an incoming trunk, a push button signal receiver, a voice output unit and a control unit and associated with a terminal set such as a push button calling telephone set, there is provided a full duplex audio response ... | 03/04/1980 |
| 4191854 | Telephone-coupled visual alphanumeric communication device for deaf persons A portable self-powered electrically conductively isolated device converts alphanumeric electric signals transmitted from a Touch-Tone telephone at a sending station to visual signals at a receiving telephone station. A magnetic pickup is attached to the ... | 03/04/1980 |
| 4185169 | Synthetic-speech calculators A synthetic speech calculator is provided which is capable of generating an audible sound signal which can be representative of keyed data, processed data, the contents of a memory or the contents of a counter. The sound signal can be suppressed under cer... | 01/22/1980 |
| 4121052 | Telephone data recording system A system is disclosed for recording incoming, numerically-encoded telephone messages generated by a caller via his touch-tone or rotary dial, and successively visually displaying the messages at the called telephone. The system includes an answer actuator... | 10/17/1978 |
| 4012599 | Telephone communications system for the deaf A self-powered, portable, hand-held communicator and system provides a deaf user with a visual display of conversational information transmitted to him with a standard pushbutton telephone. A highly efficient and easily remembered encoding scheme is featu... | 03/15/1977 |
| 4007443 | Hand-held interactive terminal An interactive terminal which is capable of complete hand-held operation with total freedom of position and location is provided. The terminal incorporates a self contained full 128-character keyboard, a 20-character alphanumeric readout, and a 1000-chara... | 02/08/1977 |
| 3992587 | Remote data line monitor A device that permits local or remote access to data circuits for the purpose of monitoring, testing and performing diagnostics. It may be used to issue commands to perform various functions whereby the device couples a given circuit to a telephone line i... | 11/16/1976 |
| 3976840 | Portable securities selector system A system for enabling securities information to be elicited and transactions to be automatically executed by an investor from a conventional telephone. A portable pocketsized data terminal having a keyboard, a display and status indicator lamps includes a... | 08/24/1976 |
| 3967273 | Method and apparatus for using pushbutton telephone keys for generation of alpha-numeric information The disclosure comprises a method and apparatus for using a pushbutton telephone keyboard in which a signal sequence representing a unique symbol is generated by pushing a first button on which the desired symbol is located, each button being labeled with... | 06/29/1976 |
