GB8618423D0 - Transmitters receivers - Google Patents

Transmitters receivers

Info

Publication number
GB8618423D0
GB8618423D0 GB868618423A GB8618423A GB8618423D0 GB 8618423 D0 GB8618423 D0 GB 8618423D0 GB 868618423 A GB868618423 A GB 868618423A GB 8618423 A GB8618423 A GB 8618423A GB 8618423 D0 GB8618423 D0 GB 8618423D0
Authority
GB
United Kingdom
Prior art keywords
transmitters receivers
transmitters
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.)
Granted
Application number
GB868618423A
Other versions
GB2180112B (en
GB2180112A (en
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
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 true GB8618423D0 (en) 1986-09-03
GB2180112A GB2180112A (en) 1987-03-18
GB2180112B 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

Family Cites Families (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
US4691375A (en) * 1984-06-06 1987-09-01 National Research Development Corporation Data transmission using a transparent tone-in band system
CA1238086A (en) * 1984-08-17 1988-06-14 Joseph P. Mcgeehan Data transmission using a transparent tone-in band system
GB8430319D0 (en) * 1984-11-30 1985-01-09 Mcgeehan J P Transmitters & systems

Also Published As

Publication number Publication date
GB2180112B (en) 1990-01-31
GB2180112A (en) 1987-03-18

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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