GB2180112B - Transparent tone-in band transmitters receivers and systems - Google Patents

Transparent tone-in band transmitters receivers and systems

Info

Publication number
GB2180112B
GB2180112B GB8618423A GB8618423A GB2180112B GB 2180112 B GB2180112 B GB 2180112B GB 8618423 A GB8618423 A GB 8618423A GB 8618423 A GB8618423 A GB 8618423A GB 2180112 B GB2180112 B GB 2180112B
Authority
GB
United Kingdom
Prior art keywords
systems
band transmitters
transparent tone
transmitters receivers
receivers
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
GB8618423A
Other versions
GB2180112A (en
GB8618423D0 (en
Inventor
Joseph Peter Mcgeehan
Andrew Bateman
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 GB858519545A external-priority patent/GB8519545D0/en
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB8618423A priority Critical patent/GB2180112B/en
Publication of GB8618423D0 publication Critical patent/GB8618423D0/en
Publication of GB2180112A publication Critical patent/GB2180112A/en
Application granted granted Critical
Publication of GB2180112B publication Critical patent/GB2180112B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
GB8618423A 1985-08-02 1986-07-29 Transparent tone-in band transmitters receivers and systems Expired - Fee Related GB2180112B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8618423A GB2180112B (en) 1985-08-02 1986-07-29 Transparent tone-in band transmitters receivers and systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858519545A GB8519545D0 (en) 1985-08-02 1985-08-02 Transmitters receivers & systems
GB8618423A GB2180112B (en) 1985-08-02 1986-07-29 Transparent tone-in band transmitters receivers and systems

Publications (3)

Publication Number Publication Date
GB8618423D0 GB8618423D0 (en) 1986-09-03
GB2180112A GB2180112A (en) 1987-03-18
GB2180112B true GB2180112B (en) 1990-01-31

Family

ID=26289602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8618423A Expired - Fee Related GB2180112B (en) 1985-08-02 1986-07-29 Transparent tone-in band transmitters receivers and systems

Country Status (1)

Country Link
GB (1) GB2180112B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134630A (en) * 1989-04-12 1992-07-28 National Research Development Corporation Method and apparatus for transparent tone-in-band transmitter, receiver and system processing
GB8908236D0 (en) * 1989-04-12 1989-05-24 Nat Res Dev Method and apparatus for transparent tone-in-band transmitter,receiver and system processing
GB2241128A (en) * 1990-02-14 1991-08-21 Marconi Gec Ltd A signal generator
DE102007044469A1 (en) † 2007-09-18 2009-04-09 Innovationszentrum für Telekommunikationstechnik GmbH IZT Apparatus and method for receiving an information signal having an information signal spectrum

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981791A (en) * 1961-04-22 1965-01-27 Marconi Co Ltd Improvements in or relating to heterodyne receivers
EP0164962A2 (en) * 1984-06-06 1985-12-18 Btg International Limited Data transmission using a transparent tone-in band system
GB2163326A (en) * 1984-08-17 1986-02-19 Nat Res Dev Data tranmission using a transparent tone-in band system
GB2168223A (en) * 1984-11-30 1986-06-11 Nat Res Dev Transmitters and systems for tone-in-band transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981791A (en) * 1961-04-22 1965-01-27 Marconi Co Ltd Improvements in or relating to heterodyne receivers
EP0164962A2 (en) * 1984-06-06 1985-12-18 Btg International Limited Data transmission using a transparent tone-in band system
GB2161661A (en) * 1984-06-06 1986-01-15 Nat Res Dev Data transmission using a transparent tone-in band system
GB2163326A (en) * 1984-08-17 1986-02-19 Nat Res Dev Data tranmission using a transparent tone-in band system
GB2168223A (en) * 1984-11-30 1986-06-11 Nat Res Dev Transmitters and systems for tone-in-band transmission

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEE CONFERENCE ON COMMUNICATIONS EQUIPMENT AND SYSTEMS 1982, *

Also Published As

Publication number Publication date
GB2180112A (en) 1987-03-18
GB8618423D0 (en) 1986-09-03

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930729