GB2187907B - Improvements in or relating to interference suppression - Google Patents

Improvements in or relating to interference suppression

Info

Publication number
GB2187907B
GB2187907B GB8705428A GB8705428A GB2187907B GB 2187907 B GB2187907 B GB 2187907B GB 8705428 A GB8705428 A GB 8705428A GB 8705428 A GB8705428 A GB 8705428A GB 2187907 B GB2187907 B GB 2187907B
Authority
GB
United Kingdom
Prior art keywords
relating
interference suppression
suppression
interference
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 - Lifetime
Application number
GB8705428A
Other versions
GB8705428D0 (en
GB2187907A (en
Inventor
Henry William Hawkes
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8705428D0 publication Critical patent/GB8705428D0/en
Publication of GB2187907A publication Critical patent/GB2187907A/en
Application granted granted Critical
Publication of GB2187907B publication Critical patent/GB2187907B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
GB8705428A 1986-03-11 1987-03-09 Improvements in or relating to interference suppression Expired - Lifetime GB2187907B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868606003A GB8606003D0 (en) 1986-03-11 1986-03-11 Interference suppression

Publications (3)

Publication Number Publication Date
GB8705428D0 GB8705428D0 (en) 1987-04-15
GB2187907A GB2187907A (en) 1987-09-16
GB2187907B true GB2187907B (en) 1990-05-16

Family

ID=10594394

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868606003A Pending GB8606003D0 (en) 1986-03-11 1986-03-11 Interference suppression
GB8705428A Expired - Lifetime GB2187907B (en) 1986-03-11 1987-03-09 Improvements in or relating to interference suppression

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868606003A Pending GB8606003D0 (en) 1986-03-11 1986-03-11 Interference suppression

Country Status (1)

Country Link
GB (2) GB8606003D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8909148D0 (en) * 1989-04-21 1989-06-07 Secr Defence Am interference reduction
AT394918B (en) * 1990-04-05 1992-07-27 Klaus Dipl Ing Dr Kerschbaumer METHOD FOR DIRECTLY DEMODULATING AN RF SIGNAL
US5555451A (en) * 1994-06-13 1996-09-10 Ford Motor Company High-quality reception indicating circuit for scanning AM recievers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB424197A (en) * 1932-09-14 1935-02-11 Radio Frequency Lab Inc Improvements in selective detection of radio signals
GB1266759A (en) * 1968-12-09 1972-03-15
GB1329458A (en) * 1969-12-11 1973-09-12 Licentia Gmbh Broadcast receivers
GB2029139A (en) * 1978-08-30 1980-03-12 Cit Alcatel Method and apparatus for carrier regeneration
GB2105130A (en) * 1981-08-31 1983-03-16 Leonard R Kahn Synchronous AM envelope detector
EP0122657A1 (en) * 1983-04-01 1984-10-24 Koninklijke Philips Electronics N.V. Receiver for RF signals comprising a pair of parallel signal paths

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB424197A (en) * 1932-09-14 1935-02-11 Radio Frequency Lab Inc Improvements in selective detection of radio signals
GB1266759A (en) * 1968-12-09 1972-03-15
GB1329458A (en) * 1969-12-11 1973-09-12 Licentia Gmbh Broadcast receivers
GB2029139A (en) * 1978-08-30 1980-03-12 Cit Alcatel Method and apparatus for carrier regeneration
GB2105130A (en) * 1981-08-31 1983-03-16 Leonard R Kahn Synchronous AM envelope detector
EP0122657A1 (en) * 1983-04-01 1984-10-24 Koninklijke Philips Electronics N.V. Receiver for RF signals comprising a pair of parallel signal paths

Also Published As

Publication number Publication date
GB8705428D0 (en) 1987-04-15
GB2187907A (en) 1987-09-16
GB8606003D0 (en) 1986-04-16

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Legal Events

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

Effective date: 19950309