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Class Information
Number: 379/442
Name: Telephonic communications > Terminal accessory or auxiliary equipment > With circuit connection to terminal
Description: Subject matter for connecting a device to the line by direct connection through the terminal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7227939 |
Security features for an integral PLC modem |
Jun. 5, 2007 |
| RE39406 |
Telephone line coupler |
Nov. 21, 2006 |
| 7071702 |
Multi-jack detector |
Jul. 4, 2006 |
| 7042991 |
Method and apparatus for extending a telephone's capabilities |
May. 9, 2006 |
| 7035402 |
Portable communication unit |
Apr. 25, 2006 |
| 6980645 |
Low-pass filtering device with integrated insulator and private installation comprising same |
Dec. 27, 2005 |
| 6965672 |
Electronic switching system |
Nov. 15, 2005 |
| 6757379 |
Apparatus for the attachment of a computer to a telephone set, and a computer comprising the same |
Jun. 29, 2004 |
| 6735453 |
Automatic headset hookswitch |
May. 11, 2004 |
| 6636601 |
Method for adapting supplementary equipment to an analog telecommunications terminal and device for that purpose |
Oct. 21, 2003 |
| 6631278 |
Method for originating packet data calls via dial-up networking applications |
Oct. 7, 2003 |
| 6584196 |
Electronic inductor with transmit signal telephone line driver |
Jun. 24, 2003 |
| 6563866 |
Bus-powered modem interface device |
May. 13, 2003 |
| 6456715 |
Connecting a telephone |
Sep. 24, 2002 |
| 6438384 |
Telephone instrument with built-in modem device, and system for voice communications over the internet |
Aug. 20, 2002 |
| 6370399 |
Determination of mobile service option via phone number |
Apr. 9, 2002 |
| 6292558 |
Telephone network interface apparatus |
Sep. 18, 2001 |
| 6282235 |
Signal processing apparatus |
Aug. 28, 2001 |
| 6266418 |
Encryption and authentication methods and apparatus for securing telephone communications |
Jul. 24, 2001 |
| 6262655 |
Emergency reporting system and terminal apparatus therein |
Jul. 17, 2001 |
| 6222910 |
System and method for connecting and interfacing a communications device to a telephone line via a telephone set |
Apr. 24, 2001 |
| 6084950 |
Audio communications device adapter |
Jul. 4, 2000 |
| 6061438 |
Extension-in-use exclusion apparatus |
May. 9, 2000 |
| 6043626 |
Auxiliary battery holder with multicharger functionality |
Mar. 28, 2000 |
| 6035031 |
Method and apparatus automatic call-back |
Mar. 7, 2000 |
| 6014435 |
Unauthorized call defeat apparatus |
Jan. 11, 2000 |
| 5999602 |
Telephone with interface linking to television |
Dec. 7, 1999 |
| 5999400 |
Modular plug with electronic components |
Dec. 7, 1999 |
| 5974142 |
Secure telecommunications |
Oct. 26, 1999 |
| 5937334 |
Radio communications and telephone network interface system |
Aug. 10, 1999 |
| 5909488 |
Communication apparatus having a non-ringing call receiving mode and an energy-saving stand-by mode |
Jun. 1, 1999 |
| 5907613 |
Telephone silencing system |
May. 25, 1999 |
| 5896451 |
Adaptive telephone interface |
Apr. 20, 1999 |
| 5875233 |
Audio record and playback through a standard telephone in a computer system |
Feb. 23, 1999 |
| 5850436 |
Communication between a telephone and a computer system |
Dec. 15, 1998 |
| 5841836 |
Network termination equipment |
Nov. 24, 1998 |
| 5825873 |
Interface for providing call control for a headset attached to a telephone providing call control for a headset attached to a telephone |
Oct. 20, 1998 |
| 5802148 |
System for generating aural announcements within a premises |
Sep. 1, 1998 |
| 5790660 |
Shunted modular jack |
Aug. 4, 1998 |
| 5768351 |
Method and apparatus for connecting a telephone to a voice capable modem |
Jun. 16, 1998 |
| 5768262 |
Methods for performing intelligent network services with an ISDN network terminator located at a subscriber's premise |
Jun. 16, 1998 |
| 5724421 |
Telephone network interface apparatus |
Mar. 3, 1998 |
| 5719917 |
Circuit for activating back-up lines |
Feb. 17, 1998 |
| 5719931 |
Access code dialing apparatus and method |
Feb. 17, 1998 |
| 5719934 |
Apparatus for connecting and disconnecting subscriber premises line and incoming telephone company line |
Feb. 17, 1998 |
| 5687233 |
Modular jack having built-in circuitry |
Nov. 11, 1997 |
| 5666408 |
Dual-line telephone jack adapter and cable coupler |
Sep. 9, 1997 |
| 5636282 |
Method for dial-in access security using a multimedia modem |
Jun. 3, 1997 |
| 5625874 |
Terminal station which does not cause an interruption of communication on changing of a communication system |
Apr. 29, 1997 |
| 5625679 |
Telephone handset interface for alternating voice-data (AVD) modem |
Apr. 29, 1997 |
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