GB0322987D0 - Apparatus and method for signal filtering - Google Patents

Apparatus and method for signal filtering

Info

Publication number: GB0322987D0
Authority: GB; United Kingdom
Prior art keywords: signal filtering; filtering; signal
Prior art date: 2003-10-01
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB0322987A

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.)

Thales Holdings UK PLC

Original Assignee

Thales Holdings UK PLC

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.)

2003-10-01

Filing date

2003-10-01

Publication date

2003-11-05

2003-10-01 Application filed by Thales Holdings UK PLC filed Critical Thales Holdings UK PLC

2003-10-01 Priority to GB0322987A priority Critical patent/GB2406727A/en

2003-11-05 Publication of GB0322987D0 publication Critical patent/GB0322987D0/en

2005-04-06 Publication of GB2406727A publication Critical patent/GB2406727A/en

Status Withdrawn legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Superheterodyne Receivers (AREA)

GB0322987A 2003-10-01 2003-10-01 Heterodyne filter Withdrawn GB2406727A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB0322987A GB2406727A (en)	2003-10-01	2003-10-01	Heterodyne filter

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB0322987A GB2406727A (en)	2003-10-01	2003-10-01	Heterodyne filter

Publications (2)

Publication Number	Publication Date
GB0322987D0 true GB0322987D0 (en)	2003-11-05
GB2406727A GB2406727A (en)	2005-04-06

Family

ID=29415304

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0322987A Withdrawn GB2406727A (en)	2003-10-01	2003-10-01	Heterodyne filter

Country Status (1)

Country	Link
GB (1)	GB2406727A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN108123684B (en) *	2017-12-19	2021-05-25	中国科学院深圳先进技术研究院	A digital down-conversion processing method and device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3681697A (en) *	1969-12-31	1972-08-01	Westinghouse Electric Corp	Wideband image terminated mixer
US4492960A (en) *	1982-01-18	1985-01-08	The United States Of America As Represented By The Secretary Of The Navy	Switching mixer
SU1116531A1 (en) *	1983-01-04	1984-09-30	Московский Ордена Ленина И Ордена Октябрьской Революции Авиационный Институт Им.Серго Орджоникидзе	Band-pass filter
US5630225A (en) *	1992-08-17	1997-05-13	Motorola, Inc.	Dielectric resonator image reject mixer and method
US5434541A (en) *	1994-06-30	1995-07-18	At&T Corp.	Frequency translated filter for a micro-miniature radio receiver

2003
- 2003-10-01 GB GB0322987A patent/GB2406727A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2406727A (en)	2005-04-06

Similar Documents

Publication	Publication Date	Title
AU2003265488A8 (en)	2004-03-11	Method and apparatus for extending signal range
GB0609422D0 (en)	2006-06-21	Apparatus and method
GB2397762B (en)	2005-02-16	Apparatus and method for hair-thickening
GB2418577B (en)	2007-10-17	Method and device for removing known acoustic signal
AU2003300405A1 (en)	2005-01-28	Solid liquid filtration apparatus and method
GB2407857B (en)	2008-02-06	Apparatus and method
GB2409691B (en)	2007-02-28	Separating apparatus and method
EP1618661A4 (en)	2007-05-23	Method and apparatus for conversionless direct detection
GB0327981D0 (en)	2004-01-07	De-blistering apparatus and method
GB0322987D0 (en)	2003-11-05	Apparatus and method for signal filtering
GB2402865B (en)	2006-02-15	De-Infestation method and apparatus
GB0315475D0 (en)	2003-08-06	Apparatus and method
GB0306712D0 (en)	2003-04-30	Method and apparatus for signal detection
GB2399951B (en)	2006-09-13	Apparatus and method for signal transformation
EP1660210A4 (en)	2006-09-06	Separation apparatus and method
GB0410751D0 (en)	2004-06-16	Apparatus and method
GB0303137D0 (en)	2003-03-19	Method and apparatus for signal detection
GB0303973D0 (en)	2003-03-26	Method and apparatus
GB0328090D0 (en)	2004-01-07	Apparatus and method
GB2404238B (en)	2007-02-14	Apparatus and method
GB0319792D0 (en)	2003-09-24	Method and apparatus
GB2405296B (en)	2006-04-12	Apparatus and method for signal generation
GB0404945D0 (en)	2004-04-07	Novel filtration method and apparatus
GB0305551D0 (en)	2003-04-16	Method and apparatus
GB0317120D0 (en)	2003-08-27	Method and apparatus

Legal Events

Date	Code	Title	Description
2008-07-23	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)