TW252254B - - Google Patents
Info
- Publication number
- TW252254B TW252254B TW083100718A TW83100718A TW252254B TW 252254 B TW252254 B TW 252254B TW 083100718 A TW083100718 A TW 083100718A TW 83100718 A TW83100718 A TW 83100718A TW 252254 B TW252254 B TW 252254B
- Authority
- TW
- Taiwan
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/068—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using time division multiplex techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/570,297 US5283637A (en) | 1990-08-20 | 1990-08-20 | Telecommunication system for transmitting full motion video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW252254B true TW252254B (https=) | 1995-07-21 |
Family
ID=24279076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW083100718A TW252254B (https=) | 1990-08-20 | 1994-01-28 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5528286A (https=) |
| CO (1) | CO4180594A1 (https=) |
| TW (1) | TW252254B (https=) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6972786B1 (en) | 1994-12-30 | 2005-12-06 | Collaboration Properties, Inc. | Multimedia services using central office |
| US5751338A (en) * | 1994-12-30 | 1998-05-12 | Visionary Corporate Technologies | Methods and systems for multimedia communications via public telephone networks |
| US6137524A (en) * | 1995-10-30 | 2000-10-24 | Zekko Corporation | Transmitter and receiver circuits for transmission of voice, data and video signals for extended distances |
| US6567981B1 (en) | 1998-08-03 | 2003-05-20 | Elysium Broadband Inc. | Audio/video signal redistribution system |
| US6038425A (en) * | 1998-08-03 | 2000-03-14 | Jeffrey; Ross A. | Audio/video signal redistribution system |
| US6618774B1 (en) | 1999-03-17 | 2003-09-09 | Adder Technology Ltd. | Computer signal transmission system |
| US7193149B2 (en) * | 2002-05-17 | 2007-03-20 | Northern Information Technology, Inc. | System handling video, control signals and power |
| US8074255B2 (en) * | 2004-09-28 | 2011-12-06 | Clearcube Technology, Inc. | Analog video signal transmission over twisted-pair wires |
| US7848398B2 (en) * | 2006-04-03 | 2010-12-07 | Global Communications, Inc. | System and method for dynamic allocation of spectrum |
| US7916777B1 (en) * | 2007-04-03 | 2011-03-29 | Global Communications Inc. | VUTP hybrid command authority |
| WO2010127242A1 (en) | 2009-04-30 | 2010-11-04 | Global Communications Inc. | Machine, program product, and computer-implemented methods for a hybrid command management aggregator |
| US8661478B2 (en) * | 2009-11-30 | 2014-02-25 | At&T Intellectual Property I, Lp | Noise reduction apparatus with isolation transformers in an internet protocol television system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974337A (en) * | 1967-10-24 | 1976-08-10 | Matsushita Electric Industrial Co., Ltd. | FM television telephone system |
| US3578911A (en) * | 1970-02-12 | 1971-05-18 | Communication Technology Inc | Telephone wire pair compensator utilizing negative capacitance circuit |
| US3829626A (en) * | 1972-08-14 | 1974-08-13 | Datadyne Corp | Telephone line equalizer |
| US3814867A (en) * | 1973-01-26 | 1974-06-04 | Communic Mfg | Active shunt impedance for compensating impedance of transmission line |
| US4054910A (en) * | 1976-02-26 | 1977-10-18 | Tel-E-Tel, Inc. | Communication system for the transmission of closed circuit television over an ordinary pair of wires |
| US4357494A (en) * | 1979-06-04 | 1982-11-02 | Tellabs, Inc. | Impedance canceller circuit |
| US4785265A (en) * | 1987-10-01 | 1988-11-15 | The Babcock & Wilcox Company | Enhanced automatic line build out |
| US5249224A (en) * | 1987-11-04 | 1993-09-28 | Chambers Charles W | Methods and apparatus for providing reciprocal impedance conversion |
| US4996497A (en) * | 1989-06-05 | 1991-02-26 | American Dynamics Corporation | Cable compensation circuit |
-
1994
- 1994-01-04 US US08/177,704 patent/US5528286A/en not_active Expired - Fee Related
- 1994-01-28 TW TW083100718A patent/TW252254B/zh active
- 1994-01-31 CO CO94002848A patent/CO4180594A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CO4180594A1 (es) | 1995-06-07 |
| US5528286A (en) | 1996-06-18 |