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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 6763097 |
Source adaptive digital subscriber line and method |
Jul. 13, 2004 |
| 6757549 |
Methods and apparatus for adapting transmission power of a remote wireless device |
Jun. 29, 2004 |
| 6757369 |
Line sharing for POTS and DSL services |
Jun. 29, 2004 |
| 6754233 |
Method and apparatus for transmitting data between a central site and multiple data subscribers |
Jun. 22, 2004 |
| 6751303 |
Data communication over telephone voice channel using DTMF interface |
Jun. 15, 2004 |
| 6728367 |
Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal |
Apr. 27, 2004 |
| 6724869 |
Multimodal telephone numbers |
Apr. 20, 2004 |
| 6724871 |
System and method for adding multiple line capabilities to an existing CPE wiring system |
Apr. 20, 2004 |
| 6704397 |
Filter arrangement |
Mar. 9, 2004 |
| 6700958 |
Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth |
Mar. 2, 2004 |
| 6700973 |
System for transmitting DTMF signal and communication equipment thereof |
Mar. 2, 2004 |
| 6697463 |
System for providing increased data speed using high resolution analog to digital conversion |
Feb. 24, 2004 |
| 6694016 |
Odd-order low-pass POTS device microfilter |
Feb. 17, 2004 |
| 6687370 |
Method and an arrangement for securing an ADSL connection |
Feb. 3, 2004 |
| 6675215 |
Automatic baud rate detection of null modem unimodem client connection |
Jan. 6, 2004 |
| 6665385 |
Medical monitoring system having multipath communications capability |
Dec. 16, 2003 |
| 6665002 |
Real-time video/audio quality adjustment method |
Dec. 16, 2003 |
| 6661998 |
Mobile station to base station communication and signal acknowledgement |
Dec. 9, 2003 |
| 6647098 |
System and device for communications |
Nov. 11, 2003 |
| 6636586 |
Telephone set device capable of vocalizing a telephone number being called |
Oct. 21, 2003 |
| 6633639 |
Telephone switch configuration detector |
Oct. 14, 2003 |
| 6628429 |
System and method to effectively suppress idle fax signals |
Sep. 30, 2003 |
| 6628783 |
Filter arrangement applicable to ADSL splitters |
Sep. 30, 2003 |
| 6625262 |
Multi-pair broadband transmission system |
Sep. 23, 2003 |
| 6608889 |
Telephone having convenience feature data transfer capability |
Aug. 19, 2003 |
| 6594350 |
Dial on demand communication |
Jul. 15, 2003 |
| 6574236 |
Interface device having VDSL splitter and interference filter |
Jun. 3, 2003 |
| 6570966 |
Intermixing data and voice on voice circuits |
May. 27, 2003 |
| 6546090 |
Apparatus and method for communicating voice and data between a customer premises and a central office |
Apr. 8, 2003 |
| 6535589 |
Method and apparatus for reducing transmission errors in digital subscriber line (DSL) communication systems |
Mar. 18, 2003 |
| 6535587 |
Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter |
Mar. 18, 2003 |
| 6532280 |
Integrated circuit card for computer communication |
Mar. 11, 2003 |
| 6532279 |
High-speed data communication over a residential telephone wiring network |
Mar. 11, 2003 |
| 6522728 |
Apparatus and method of implementing a universal home network on a customer premises ISDN bus |
Feb. 18, 2003 |
| 6522731 |
Data communication apparatus |
Feb. 18, 2003 |
| 6522730 |
DSL communication system with improved bandwidth |
Feb. 18, 2003 |
| 6519336 |
Method and apparatus for providing interoperation between a digital communication system and a public switched telephone network |
Feb. 11, 2003 |
| 6512790 |
Method, system and apparatus for transmitting coded telecommunication signals |
Jan. 28, 2003 |
| 6504910 |
Voice and text transmission system |
Jan. 7, 2003 |
| 6490344 |
Communication system and communication channel coupling method |
Dec. 3, 2002 |
| 6472992 |
Alarm filter circuit |
Oct. 29, 2002 |
| 6470046 |
Apparatus and method for a combined DSL and voice system |
Oct. 22, 2002 |
| 6408058 |
Telewriting device |
Jun. 18, 2002 |
| 6404347 |
Alarm filter circuit |
Jun. 11, 2002 |
| 6396911 |
Method and apparatus for efficient improved data transmissions on telephone links between service providers and remote clients |
May. 28, 2002 |
| 6396910 |
Method and apparatus for improved data transmissions on telephone links between service providers and remote clients |
May. 28, 2002 |
| 6393110 |
Methods and apparatus for terminating a line and supporting the asymmetric digital subscriber line protocol |
May. 21, 2002 |
| 6393111 |
Method for transmitting and receiving data over a home network implemented upon a phone line system |
May. 21, 2002 |
| 6389120 |
Method and apparatus for multiple logical channel information delivery over multiple suppressed ringing physical channels |
May. 14, 2002 |
| 6377664 |
Video phone multimedia announcement answering machine |
Apr. 23, 2002 |
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