GB8705428D0 - Interference suppression - Google Patents

Interference suppression

Info

Publication number: GB8705428D0
Authority: GB; United Kingdom
Prior art keywords: interference suppression; suppression; interference
Prior art date: 1986-03-11
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

GB878705428A

Other versions

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.)

SECR DEFENCE

UK Secretary of State for Defence

Original Assignee

SECR DEFENCE

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.)

1986-03-11

Filing date

1987-03-09

Publication date

1987-04-15

1987-03-09 Application filed by SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE

1987-04-15 Publication of GB8705428D0 publication Critical patent/GB8705428D0/en

1987-09-16 Publication of GB2187907A publication Critical patent/GB2187907A/en

1990-05-16 Application granted granted Critical

1990-05-16 Publication of GB2187907B publication Critical patent/GB2187907B/en

2007-03-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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 true GB8705428D0 (en)	1987-04-15
GB2187907A GB2187907A (en)	1987-09-16
GB2187907B 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2065890A (en) *	1932-09-14	1936-12-29	Rca Corp	Selective detection
JPS4925375B1 (en) *	1968-12-09	1974-06-29
DE1962156A1 (en) *	1969-12-11	1971-02-11
FR2437733A1 (en) *	1978-08-30	1980-04-25	Cit Alcatel	METHOD FOR REGENERATION OF THE MODULATING CARRIER WAVE OF A MODULATED SIGNAL COMPRISING SYMMETRIC LINES WITH RESPECT TO THIS CARRIER AND IMPLEMENTING DEVICE
NZ201230A (en) *	1981-08-31	1985-12-13	Kahn Leonard R	Synchronous quadphase envelope detector
NL8301179A (en) *	1983-04-01	1984-11-01	Philips Nv	HF SIGNAL RECEIVER FITTED WITH A PAIR OF PARALLEL SIGNAL ROADS.

1986
- 1986-03-11 GB GB868606003A patent/GB8606003D0/en active Pending
1987
- 1987-03-09 GB GB8705428A patent/GB2187907B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB2187907A (en)	1987-09-16
GB2187907B (en)	1990-05-16
GB8606003D0 (en)	1986-04-16

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Legal Events

Date	Code	Title	Description
1995-11-08	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19950309