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Class Information
Number: 379/93.08
Name: Telephonic communications > Telephone line or system combined with diverse electrical system or signalling (e.g., composite) > Having transmission of a digital message signal over a telephone line > Transmission scheme (e.g., compression/decompression, transmission rate)
Description: Subject matter including a particular detail of a methodology in which the message signal is conveyed.

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
6208715 Method and apparatus for transmitting messages in a telecommunication system Mar. 27, 2001
6198749 System for inverse multiplexing analog channels Mar. 6, 2001
6198809 Multi-functional personal telecommunications apparatus Mar. 6, 2001
6181693 High speed video transmission over telephone lines Jan. 30, 2001
6157324 Analog to digital voice transmitter Dec. 5, 2000
6144695 Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators Nov. 7, 2000
6141032 Method and apparatus for encoding, transmitting, storing and decoding of data Oct. 31, 2000
6137865 Transmission and reception of data over a home network implemented upon a phone line system Oct. 24, 2000
6137829 System and method for transmitting special marker symbols Oct. 24, 2000
6122294 Method and apparatus for network transmission capacity enhancement for the telephone circuit switched network Sep. 19, 2000
6121998 Apparatus and method for videocommunicating having programmable architecture permitting data revisions Sep. 19, 2000
6112260 Method and apparatus for redirecting input/output device data in a computer system through use of debug registers Aug. 29, 2000
6097754 Method of automatically detecting the baud rate of an input signal and an apparatus using the method Aug. 1, 2000
6075845 System and method for performing telephone line-in-use detection, extension pick-up detection, and remote hang-up detection in a modem Jun. 13, 2000
6075842 Text enhanced telephony Jun. 13, 2000
6069899 Home area network system and method May. 30, 2000
6065027 Data processor with up pointer walk trie traversal instruction set extension May. 16, 2000
RE36673 Viceband data set Apr. 25, 2000
6049597 Data communication system between a personal computer and facsimile machine through an interface Apr. 11, 2000
6035019 Communication control device which converts modem commands into telephone control function to communicate and command conversion method thereof Mar. 7, 2000
6031897 Apparatus and method for user tone warning during data suspension or degradation Feb. 29, 2000
6021183 Communication apparatus and method having V. 8 procedure function Feb. 1, 2000
5995598 Phone line LAN Nov. 30, 1999
5991746 Billing system utilizing a modified file transfer protocol for collecting non-file MIB tables for billing in an ATM network Nov. 23, 1999
5963621 Secure communication system Oct. 5, 1999
5960067 Apparatus and method for parallel transmission of data over a telephone line Sep. 28, 1999
5960066 Method and apparatus for using telephone house wiring for voice/data network Sep. 28, 1999
5953647 Technique for sending faxes over cellular communications channels Sep. 14, 1999
5940799 System and method for securing speech transactions Aug. 17, 1999
5930340 Device and method for isolating voice and data signals on a common carrier Jul. 27, 1999
5926208 Video compression and decompression arrangement having reconfigurable camera and low-bandwidth transmission capability Jul. 20, 1999
5896443 Phone line computer networking Apr. 20, 1999
5890126 Audio data decompression and interpolation apparatus and method Mar. 30, 1999
5883941 HDSL and POTS carrier system Mar. 16, 1999
5878119 Idle suppression and signal threshold determination therefor Mar. 2, 1999
5848134 Method and apparatus for real-time information processing in a multi-media system Dec. 8, 1998
5841841 Networking computers via shared use of voice telephone lines Nov. 24, 1998
5841840 Multiple line modem and method for providing voice on demand Nov. 24, 1998
5835571 Automated telephone service interface Nov. 10, 1998
5835574 Dual-tone multi-frequency signal transfer protocol Nov. 10, 1998
5832065 Synchronous voice/data message system Nov. 3, 1998
5822404 System and method for identifying remote communications formats Oct. 13, 1998
5818603 Method and system for controlling and communicating with machines using multiple communication formats Oct. 6, 1998
5818913 Method and Apparatus for multiplexing voice data over a single DTE/DCE link Oct. 6, 1998
5802471 Mobile communication system, automatic call receiving method, and mobile station Sep. 1, 1998
5801757 Interactive communication device Sep. 1, 1998
5781617 Communication server apparatus using frequency multiplexing and method Jul. 14, 1998
5774527 Integrated telephone and cable communication networks Jun. 30, 1998
5768350 Real-time and non-real-time data multplexing over telephone lines Jun. 16, 1998
5764279 Method and apparatus for instantaneous in-band document exchange during a video conference Jun. 9, 1998

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