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Match Document Document Title
8068592 Intelligent switching system for voice and data  
A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a...
8023640 Communication apparatus capable of adjusting volume of voice to be reproduced  
A communication apparatus through which voice communication can be performed, including: a line interface portion which receives and transmits data form and to a line and which includes a data...
7844041 Intelligent switching system for voice and data  
A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a...
7650282 Word spotting score normalization  
An approach to scoring acoustically-based events, such as hypothesized instances of keywords, in a speech processing system make use of scores of individual components of the event. Data...
7433452 Method and apparatus for cashless transactions via a telecommunications network  
A method of using a telecommunications network cashless transaction service is provided, in which a user accesses the service using a network access instrument, such as a mobile phone which...
7433704 Portable communication terminal  
Acoustic input and output devices are made to operate properly according to communication processing. A portable communication terminal includes an acoustic input-output unit including a plurality...
7391856 Intelligent switching system for voice and data  
A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a...
7280643 Audio status communication from an embedded device  
An embedded device configured to provide an audio status output is disclosed. The embedded device includes a processor, an input button in electronic communication with the processor and a speaker...
7245708 Acoustic coupling product label  
A system comprises an acoustic coupling product label (20) for mounting on a product to be serviced. The label (20) includes a memory (23) for storing information relating to the product to be...
7197134 DTMF generating assistant  
A DTMF generating device for automatically generating DTMF tones corresponding to a predefined phone number comprises a processor, a memory, and a speaker enveloped in a credit card sized casing....
7190786 Telephone with removable DSL cartridge  
A telephone including a removable DSL filter cartridge is disclosed. The telephone includes a location adapted to receive a filter cartridge. The filter cartridge is designed to fit inside the...
7013393 Universal intelligent card for secure access to system functions  
A method and apparatus for secure access to secured system functions utilizing a universal access card. The card includes a bank of tuned amplifier circuits and tuned audio transducers to maximize...
6891935 Direct access arrangement (DAA) circuit having automatic interface identification  
A technique is provided for an electrical device to automatically detect one of a plurality of interface standards to operate in accordance with. More particularly, a direct access arrangement...
6584182 Method and apparatus for communicating data over a telephone line using an acoustic modem  
The present invention provides systems and methods for the communication of data over telephone lines. A handset orientation tolerant bi-directional acoustic modem according to the invention...
6421431 Method and system for voice transmission of a binary data sequence from a piezoelectric transducer  
A method and a system of transmitting a binary data sequence in voice form, the system comprising a pilot oscillator (OS), an FSK type modulator circuit (3) receiving said sequence, an intermediate...
6381312 Acoustic communication terminal apparatus and recording medium for storing a control program therefor  
An acoustic communication terminal apparatus for performing data communication over a telephone line by using an acoustic coupler has an error number counter for counting the number of errors...
6327365 Acoustic coupling product label and method of using  
An acoustic coupling product label including a product identification number and/or other pertinent service information is provided which uses a standard telephone to provide information to a...
6304638 Coupler for a communications device  
A coupler enabling communication of information between a communication device, such as a PIM device, and an acoustic device, such as a telephone, using acoustic tones. The coupler includes a...
6222910 System and method for connecting and interfacing a communications device to a telephone line via a telephone set  
The present invention is directed to a novel system and method for connecting and interfacing a communications device, such as a modem, to a two-wire telephone line via a telephone base set,...
6061440 Intelligent switching system for voice and data  
A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a...
6023779 Electronic, acoustical tone generating communications system and method  
A multi-function electronic messaging system for transmitting messages over a first communications link having a remote unit for generating forward error corrected signals representing various...
6006351 Electronic communications system and method  
A system for communicating data between a computer and a unit remote from the computer is provided, comprising receiving input information from a user in the remote unit and for producing data...
5995599 Coupler for an acoustic coupled communications device  
A coupler is provided which may be incorporated into a handheld communications device to permit the handheld device to be acoustically coupled to a variety of telephone handsets. The device may...
5854828 Telephone customer support utility  
A telephonic customer support utility for providing diagnostic support of a customer computer including encoding an operational status of a customer's computer to produce audible tones on a speaker...
5815557 Homeowner key for an electronic real estate lockbox system  
A secure entry system makes use of radio transmissions to communicate with locks, keys, and related components throughout the system. The radio transmissions can be made using a paging system, a...
5774529 Apparatus to provide a remote display of the operating condition of a water treatment system  
An apparatus for providing a remote display of the operating condition of a water treatment system having an electronic control utilizing a voice grade telephone system. A tone generator is...
5768351 Method and apparatus for connecting a telephone to a voice capable modem  
A circuit for providing an interface between a telephone set and a modem having voice processing capabilities that allows digitization of the voice to occur and provides an improved capability for...
5666404 Device for telephone monitoring of patients having peripheral arterial occlusive disease  
A device for post-operative monitoring by telephone the condition of patients having peripheral arterial occlusive disease. A first embodiment of the device includes an inflatable cuff...
5625679 Telephone handset interface for alternating voice-data (AVD) modem  
An interface between an alternating voice-data (AVD) modem and a telephone that allows the modem to be connected to a PBX or office-type telephone system without using special software. The user...
5561710 Interactive voice communication terminal with alpha and numeric keypad  
An interactive voice communication terminal (10) provides alpha and numeric characters transmitted from a DTMF generator (36) to access a database by interfacing with the mouthpiece (24) of a...
5559869 Carbon microphone interface for a modem  
A traditional modem includes a data access arrangement circuit located between the computer and the RJ11 connector. An alternate connection is made from this data access arrangement circuit to an...
5555300 Telephone handset microphone level adjustment  
A system for automatically adjusting the level of a telephone instrument microphone input signal in response to the level of the telephone instrument sidetone signal. The system may provide a test...
5297196 Facsimile apparatus adapted to communicate via an acoustic coupler  
An information communication apparatus includes acoustic and non-acoustic couplers, a switch for selectively connecting an information sending source of the apparatus to the acoustic or...
5291541 Coupling apparatus for telephone handsets  
Coupling apparatus for a telephone handset comprises a handset-coupling cradle having a dome at one end thereof for locating the earpiece (receiver) of the handset, and sound ports at the other end...
5245652 Secure entry system with acoustically coupled telephone interface  
A comprehensive real estate lockbox system is disclosed which provides a variety of operational features. One of these includes a reader key that can retrieve access data from a system lockbox. The...
5134649 Acoustic coupler for high-speed modem  
A data coupler is disclosed for use in connecting a high speed data modem to a typical telephone handset in a high ambient acoustic noise field. The data coupler features a method for conserving,...
5063590 Acoustic coupler and data transmission apparatus using the same  
An acoustic coupler for a data communication device with a housing having a receiver and a coupling member mechanically coupling the receive housing and the transmitter housing. The acoustic...
5038374 Data transmission and storage  
A sequence of data groups are modulated at a central location and coupled to a telephone line in response to a call-up signal. The sequence is transmitted through the telephone lines to a remote...
4926464 Telephone communication apparatus and method having automatic selection of receiving mode  
A telephone communication apparatus for receiving data from a telephone network in either of two modes, i.e., an acoustic mode and an electromagnetic mode, and for automatically selecting the...
4901345 Telephone set usable as an acoustic coupler  
A telephone set usable as an acoustic coupler comprising, a transmitter for generating an acoustic signal in response to an electric signal applied thereto, a receiver for generating an electric...
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...
4652937 Facsimile device  
A facsimile device includes an image pick-up means for picking up an image on an original moving relative to the image pick-up means, a transmitting means for appropriately processing the image...
4626622 Telephasing method and system for remotely identifying unknown phases of transmission or distribution lines within an electrical network  
The telephasing method and system identify an unknown phase within a polyphase network by comparison of the unknown phase with a known reference phase of the polyphase network. The system is...
4620064 Pocket sized telephone line data communication systems  
Pocket sized telephone line data communication devices which include acoustic coupling capabilities are disclosed. The couplers have a primary body member housing a microphone (or speaker) adjacent...
4599491 Apparatus for converting direct coupled data devices to acoustic coupled data devices  
A method and apparatus for converting direct coupled data devices to acoustic coupled devices is disclosed. The apparatus consists of an acoustic coupler and associated electronics to provide...
4578535 Videotex system  
A videotex system employs a subscriber unit (22) at a remote location such as a user's home. The subscriber unit (22) employs the user's telephone tone dial (26) for transmission to a...
4525805 Secure locking system employing radiant energy and electrical data transmission  
An improved security system for use in mobile commerce consisting of an electromechanical lock and electronic key and an integrated program-erase procedure whereby overall systemic complexity and...
4476348 Carbon microphone linearization technique  
A technique for reducing the nonlinear frequency characteristics of a carbon granule microphone of the type generally used in telephone handsets wherein a tone outside the voice range is applied to...
4471165 Portable keyboard operated telecommunications system  
A portable handheld battery operated telecommunications terminal (10) is acoustically coupled to a telephone hand set for the transmission and reception of alphanumeric information over ordinary...
4446333 Flexible acoustic coupler  
An acoustic coupler such as commonly used to receive and transmit data between computer terminals over telephone lines. The acoustic coupler is constructed in two halves joined by a flexible hinge...
Matches 1 - 50 out of 119 1 2 3 >