Matches 1 - 38 out of 38
Match Document Document Title
7012979 Tone signal detection circuit for detecting tone signals  
Tone signal detection circuit for a receiving circuit for detecting at least one tone signal of predetermined tone signal frequency (f E ) which is contained in a received analog input signal,...
6477364 Automatic redialing method for a mobile communication network and a mobile communication system  
An automatic redialing method for amiable communication network and a mobile communication system are disclosed. When a call meant for a telephone terminal belonging to a public switched telephone...
6360109 Terminal, automatic recall procedure, and telecommunication system  
A terminal, automatic recall procedure, and telecommunication system are disclosed which include means for integrating an automatic repeat call function in a terminal of a telecommunication network...
6163600 Communication apparatus using telephone line  
An object of the invention is to provide a communication apparatus which commonly uses a function circuit required both for a voice communication and an image communication so that the number of...
EP0876037A2 Terminal, method of automatic call-back and telecommunications system  
The automatic redialling mechanism is integrated with a local telephone terminal (31-35). The local terminal can carry out two way communication with a distant terminal. The automatic redialling...
5466920 Real time decoding for card transaction terminal  
Real time decoding methods and apparatus for a card transaction terminal used for reading a magnetic stripe on a data card. The method is implemented in a microcomputer employed in the terminal....
5428210 Data card terminal with embossed character reader and signature capture  
A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal includes a transaction terminal comprising an embossed character reader and magnetic stripe reader, with...
5386458 Systems and methods for operating data card terminals for transaction authorization  
Systems and methods for operating a data card terminal, such as a credit card transaction terminal, for providing chargeback protection services for the benefit of merchants are disclosed. The...
5357563 Data card terminal for receiving authorizations from remote locations  
A data card terminal, such as a credit card transaction terminal, is disclosed. The terminal is capable of requesting and receiving electronic authorization indicia via alternative communications...
5334823 Systems and methods for operating data card terminals for transaction chargeback protection  
Systems and methods for operating a data card terminal, such as a credit card transaction terminal, for providing chargeback protection services for the benefit of merchants are disclosed. The...
EP0431552A2 Automatic subscriber calling device.  
The invention relates to communications systems and concerns in particular subscriber telephone sets with push-button dialling and not only provides the facility of automatic, repeated multiple...
4975896 Communications network and method  
The network is particularly useful in office communications. The network includes a plurality of transceiver units, each of which can be used as a telephone, or as a dictation terminal, or...
4860339 Programmable telephone/dictation terminal and method of operating same  
A programmable telephone/dictation terminal that can be disposed in any one of several different modes of operation including, but not limited to, dictating information onto a recorder,...
4841561 Operating default group selectable data communication equipment  
A modem which is provided with the operating parameters of a plurality of countries and can be made compatible with the country in which the modem is to be used is provided. The universal modem...
4817127 Modular dictation/transcription system  
A modular dictation/transcription system is described comprising a modular construction wherein the system is composed of a set of modules which are detachably connectable to each other. Connection...
4800582 Method and apparatus for creating and storing telephone directory listings  
Telephone number information representing a name and a telephone number is entered into the memory of an automatic dialer, either by actuating a telephone dial-type keypad or by reading that...
4794474 Cue signals and cue data block for use with recorded messages  
A dictation/transcription system wherein identifying signals are recorded with audio messages. One of at least two different types of identifying signals, such as single or double bursts of cue...
4768221 Remote reprogramming system for telephone call forwarding service  
A device for remotely controlling call forwarding for a given telephone line. The device includes a detection circuit for detecting an incoming call to the given telephone line. If it detects only...
4764951 Auto dialer for use with telecopiers or the like  
A facsimile machine including an automatic dialer requiring no dial operation when calling up a specific addressee particularly an addressee requiring frequent communication, allows simplified...
4667065 Apparatus and methods for electrical signal discrimination  
A novel apparatus and method for electronically determining whether audio signals which are present in an electrical audio device (for example, a telephone) are voice signals or, on the other hand,...
4649533 Method and apparatus for retrieving remotely located information  
The information retrieval method and apparatus includes a group of geographically widely-distributed terminals, which accept a remotely located host computer. Each terminal includes a memory for...
4640989 Communications unit for executive work station  
A communications unit for an executive workstation which provides a switching arrangement for interconnecting voice and data lines with a computer and a telephone instrument. The communications...
4492820 Telephone alarm system  
An automatic telephone message device for transmitting recorded messages to predetermined telephone numbers. The device is connected to the telephone jack and AC power source of the user's...
4400585 Method and apparatus for automatically attempting to seize a radio channel in a multichannel communication system  
Apparatus is disclosed for enabling a mobile radiotelephone to automatically attempt to seize a radio channel in a multichannel radio communication system. The mobile radiotelephone scans the radio...
4371751 Automatic telephonic user emergency message transmitting apparatus  
An automatic telephonic message transmission apparatus is disclosed which includes a base station and preferably a remote unit for receiving inputs indicative of various operator emergency...
4329541 Dialing system for teleprinter  
A dialing system which utilizes a keypad on teleprinters retrofitted into existing teleprinter models through interfacing by voltage biasing and output circuitry with integrated circuit components...
4278845 Telephone index for automatic dialing  
The invention relates to an improved telephone index for automatic dialing specially designed for use with a multi-purpose telephone set with microprocess apparatus. A card-selecting hook may be...
4277651 Telephone dialer  
The present invention provides both repertory and abbreviated dialing functions in a telephone dialer that facilitates telephone dialing operation. In particular, by pressing an enablng key the...
4209668 Telephone having reiterative dialing feature  
A telephone having a dialer for repetitively dialing a desired number at 40 second time intervals. The telephone is initially used in the normal manner, and when the number being called is busy,...
4188507 Remotely controlled telephone answering apparatus  
Telephone answering apparatus adapted to be coupled to a telephone line and having a first storage medium, such as a first magnetic tape, for storing announcement information and remote telephone...
4159402 Means for identifying subscriber lines  
A telephone office is provided with a dedicated trunk modified to transmit to subscribers lines connected to the same office the multifrequency tones from an out-going sender used to identify the...
4143243 Telephone system  
A telephone set which will automatically redial a telephone number after a busy signal has been received and continues redialing that number until the party being called answers, or until a...
4119810 Pushbutton telephone apparatus with automatic dialing and combinational sequential control signalling capabilities  
An electronic telephone apparatus employs a pushbutton key array having multilevel switch contacts and a manually and automatically controlled signalling arrangement for output signalling in both...
4113991 Automatic dialer having a selective retry capability  
An automatic telephone dialer for placing outgoing telephone calls from a facsimile terminal or the like in response to dialing instructions read by a raster input scanner automatically re-attempts...
4097696 Method and apparatus for polling security alarm installations  
A centrally located polling system uses conventional telephone dial networks and a means for digital telecommunication to periodically interrogate remote site alarm installations for security...
4052570 Telephone system  
A telephone set which will automatically redial a telephone number after a busy signal has been received and continues redialing that number until the party being called answers, or until a...
4028493 Call progress signal detector  
This invention relates to apparatus for automatically connecting computer terminals and the like to telephone lines and further includes means for automatically analyzing telephone line call...
4008380 Telephone conversion unit with multiple memory system  
A telephone conversion unit for substitution in a standard rotary dial telephone is disclosed wherein a keyboard coded telephone number is converted to a serial pulse train which simulates that...
Matches 1 - 38 out of 38