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Class Information
Number: 379/93.09
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 > Switching between different terminal types (e.g., voice/data switch)
Description: Subject matter including an arrangement for selecting between diverse communication modes.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5912964 |
Adaptive telephone handset interface |
Jun. 15, 1999 |
| 5909488 |
Communication apparatus having a non-ringing call receiving mode and an energy-saving stand-by mode |
Jun. 1, 1999 |
| 5909481 |
Method relating to telecommunications |
Jun. 1, 1999 |
| 5901205 |
Adaptive voice and data bandwidth management system for multiple-line digital subscriber loop data communications |
May. 4, 1999 |
| 5896444 |
Method and apparatus for managing communications between a client and a server in a network |
Apr. 20, 1999 |
| 5892816 |
Method and apparatus for detecting facsimile transmission |
Apr. 6, 1999 |
| 5889856 |
ADSL integrated line card with digital splitter and POTS CODEC without bulky analog splitter |
Mar. 30, 1999 |
| 5889842 |
Communication system having a changeable calling mode and terminal used in the communication system |
Mar. 30, 1999 |
| 5881133 |
Method for correcting communications errors when communicating with a voice response unit over a cellular telephone network |
Mar. 9, 1999 |
| 5878120 |
Mechanism and method for multiplexing voice and data over a signal carrier with high bandwidth efficiency |
Mar. 2, 1999 |
| 5877872 |
Facsimile apparatus |
Mar. 2, 1999 |
| 5878118 |
Computerized telephone apparatus |
Mar. 2, 1999 |
| 5870457 |
Method and system for transferring a data modem call |
Feb. 9, 1999 |
| 5862134 |
Single-wiring network for integrated voice and data communications |
Jan. 19, 1999 |
| 5854830 |
Concurrent voice and data communication |
Dec. 29, 1998 |
| 5850430 |
Method to identify clients and method for using a teleterminal device |
Dec. 15, 1998 |
| 5850431 |
Facsimile/voice phone combined device producing DTMF oscillation sound when pushing fax dial buttons |
Dec. 15, 1998 |
| 5848150 |
Passive distributed filter system and method |
Dec. 8, 1998 |
| 5844979 |
Intelligent switching system for voice and data |
Dec. 1, 1998 |
| 5841840 |
Multiple line modem and method for providing voice on demand |
Nov. 24, 1998 |
| 5815285 |
Facsimile device with user-friendly automatic receive mode |
Sep. 29, 1998 |
| 5812646 |
Switching controller with supervisory mode for communication terminals |
Sep. 22, 1998 |
| 5805587 |
Call notification feature for a telephone line connected to the internet |
Sep. 8, 1998 |
| 5805636 |
Method and apparatus for simultaneous voice, data, and video communication in a computer system |
Sep. 8, 1998 |
| 5805669 |
Rate adaptaptive subscriber line ("RADSL") modem and method of operation |
Sep. 8, 1998 |
| 5802471 |
Mobile communication system, automatic call receiving method, and mobile station |
Sep. 1, 1998 |
| 5793849 |
Ticket transmitter |
Aug. 11, 1998 |
| 5790656 |
Data access arrangement with telephone interface |
Aug. 4, 1998 |
| 5787155 |
Priority line switching system |
Jul. 28, 1998 |
| 5787116 |
Apparatus and method for detecting amplitude modulated answer back toned signals |
Jul. 28, 1998 |
| 5768350 |
Real-time and non-real-time data multplexing over telephone lines |
Jun. 16, 1998 |
| 5764736 |
Method for switching between a data communication session and a voice communication session |
Jun. 9, 1998 |
| 5761292 |
Simultaneous transfer of control information with voice and data over a public switched telephone network line |
Jun. 2, 1998 |
| 5761420 |
Method and apparatus for telephone proof of documents |
Jun. 2, 1998 |
| 5757890 |
Data link for multi-player game system using telephone lines |
May. 26, 1998 |
| 5745162 |
Telecommunication terminal having delayed activation, and a method for use therein |
Apr. 28, 1998 |
| 5727160 |
Radio port controller in a wireless personal communication system |
Mar. 10, 1998 |
| 5724410 |
Two-way voice messaging terminal having a speech to text converter |
Mar. 3, 1998 |
| 5715301 |
In-house communication system for transmitting and receiving both voice and digital data, and communication terminals used in this system |
Feb. 3, 1998 |
| 5699413 |
Voice data modem, voice data method and voice data modem system |
Dec. 16, 1997 |
| 5687221 |
Information processing apparatus having speech and non-speech communication functions |
Nov. 11, 1997 |
| 5677946 |
Adapter for connecting a modem to a digital private branch exchange |
Oct. 14, 1997 |
| 5666403 |
Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person |
Sep. 9, 1997 |
| 5657446 |
Local area communications server |
Aug. 12, 1997 |
| 5606599 |
Method and apparatus for automatically converting from an analog voice mode to a simultaneous voice and data mode for a multi-modal call over a telephone line |
Feb. 25, 1997 |
| 5604796 |
Method for automatically controlling a call-waiting-interruption restriction and switching system |
Feb. 18, 1997 |
| 5594786 |
Patient care and communication system |
Jan. 14, 1997 |
| 5583922 |
Telecommunication system for automatic switching between voice and visual data communications using forms |
Dec. 10, 1996 |
| 5559868 |
Method for sending and receiving video images |
Sep. 24, 1996 |
| 5559869 |
Carbon microphone interface for a modem |
Sep. 24, 1996 |
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