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GB2271485B - Telecommunication apparatus - Google Patents

Telecommunication apparatus

Info

Publication number
GB2271485B
GB2271485B GB9319143A GB9319143A GB2271485B GB 2271485 B GB2271485 B GB 2271485B GB 9319143 A GB9319143 A GB 9319143A GB 9319143 A GB9319143 A GB 9319143A GB 2271485 B GB2271485 B GB 2271485B
Authority
GB
United Kingdom
Prior art keywords
telecommunication apparatus
telecommunication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9319143A
Other versions
GB2271485A (en
GB9319143D0 (en
Inventor
Richard John Hocking
Peter John Schwarz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB929221183A external-priority patent/GB9221183D0/en
Application filed by Individual filed Critical Individual
Priority to GB9319143A priority Critical patent/GB2271485B/en
Publication of GB9319143D0 publication Critical patent/GB9319143D0/en
Publication of GB2271485A publication Critical patent/GB2271485A/en
Application granted granted Critical
Publication of GB2271485B publication Critical patent/GB2271485B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
GB9319143A 1992-10-08 1993-09-13 Telecommunication apparatus Expired - Fee Related GB2271485B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9319143A GB2271485B (en) 1992-10-08 1993-09-13 Telecommunication apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929221183A GB9221183D0 (en) 1992-10-08 1992-10-08 Telecommunication system
GB9319143A GB2271485B (en) 1992-10-08 1993-09-13 Telecommunication apparatus

Publications (3)

Publication Number Publication Date
GB9319143D0 GB9319143D0 (en) 1993-11-03
GB2271485A GB2271485A (en) 1994-04-13
GB2271485B true GB2271485B (en) 1996-05-08

Family

ID=26301760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9319143A Expired - Fee Related GB2271485B (en) 1992-10-08 1993-09-13 Telecommunication apparatus

Country Status (1)

Country Link
GB (1) GB2271485B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2180836A1 (en) * 1994-01-10 1995-07-13 John Leslie Perkins Facsimile accessory device
GB2350518B (en) 1996-07-31 2001-01-31 Inmarsat Ltd Data interface apparatus and method
US6985497B2 (en) 1999-09-13 2006-01-10 At&T Corp. Method and apparatus for network transmission capacity enhancement for the telephone circuit switched network
US6122294A (en) * 1997-05-07 2000-09-19 At&T Corp. Method and apparatus for network transmission capacity enhancement for the telephone circuit switched network
JPH11317826A (en) * 1998-05-01 1999-11-16 Nec Miyagi Ltd Voice encoding device
IL127698A (en) * 1998-12-23 2002-11-10 Eci Telecom Ltd Device, system and method for signal compression in a telecommunication network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118400A (en) * 1982-03-30 1983-10-26 Western Electric Co Switching digital data signals
EP0332345A2 (en) * 1988-03-11 1989-09-13 AT&T Corp. Codecs with suppression of multiple encoding/decodings across a connection
US4884285A (en) * 1986-10-22 1989-11-28 Jan Heynen (DS) transmitter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118400A (en) * 1982-03-30 1983-10-26 Western Electric Co Switching digital data signals
US4884285A (en) * 1986-10-22 1989-11-28 Jan Heynen (DS) transmitter
EP0332345A2 (en) * 1988-03-11 1989-09-13 AT&T Corp. Codecs with suppression of multiple encoding/decodings across a connection

Also Published As

Publication number Publication date
GB2271485A (en) 1994-04-13
GB9319143D0 (en) 1993-11-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970913