CA1231432A - Systeme de filtrage optique recurrent - Google Patents

Systeme de filtrage optique recurrent

Info

Publication number: CA1231432A
Authority: CA; Canada
Prior art keywords: optical; filter; filtering means; reflectors; radiation
Prior art date: 1985-02-06
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

Application number

CA000473694A

Other languages

English (en)

Inventor

Charles E. Lindig

Robert W. Brandstetter

Adrian R. Doucette

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.)

Grumman Corp

Original Assignee

Grumman Aerospace Corp

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.)

1985-02-06

Filing date

1985-02-06

Publication date

1988-01-12

1985-02-06 Application filed by Grumman Aerospace Corp filed Critical Grumman Aerospace Corp

1985-02-06 Priority to CA000473694A priority Critical patent/CA1231432A/fr

1988-01-12 Application granted granted Critical

1988-01-12 Publication of CA1231432A publication Critical patent/CA1231432A/fr

Status Expired legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 title claims abstract description 134
238000001914 filtration Methods 0.000 claims abstract description 72
230000005855 radiation Effects 0.000 claims abstract description 25
238000003491 array Methods 0.000 claims abstract 2
230000001427 coherent effect Effects 0.000 claims description 8
238000001228 spectrum Methods 0.000 claims description 8
230000003595 spectral effect Effects 0.000 claims description 3
239000006185 dispersion Substances 0.000 claims description 2
230000009466 transformation Effects 0.000 description 6
230000003044 adaptive effect Effects 0.000 description 4
238000012545 processing Methods 0.000 description 4
241000735445 Hetrodes Species 0.000 description 3
235000013372 meat Nutrition 0.000 description 3
238000000034 method Methods 0.000 description 3
230000004044 response Effects 0.000 description 3
238000000844 transformation Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
241000237519 Bivalvia Species 0.000 description 1
102100031476 Cytochrome P450 1A1 Human genes 0.000 description 1
108010070126 GAWK Proteins 0.000 description 1
101000941690 Homo sapiens Cytochrome P450 1A1 Proteins 0.000 description 1
240000007817 Olea europaea Species 0.000 description 1
241000220010 Rhode Species 0.000 description 1
241000347389 Serranus cabrilla Species 0.000 description 1
241000218220 Ulmaceae Species 0.000 description 1
230000009471 action Effects 0.000 description 1
230000004913 activation Effects 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
235000020639 clam Nutrition 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000010304 firing Methods 0.000 description 1
230000010365 information processing Effects 0.000 description 1
239000004579 marble Substances 0.000 description 1
238000012805 post-processing Methods 0.000 description 1
238000010791 quenching Methods 0.000 description 1
238000010183 spectrum analysis Methods 0.000 description 1
230000002123 temporal effect Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1

Landscapes

Investigating Or Analysing Materials By Optical Means (AREA)

CA000473694A 1985-02-06 1985-02-06 Systeme de filtrage optique recurrent Expired CA1231432A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000473694A CA1231432A (fr)	1985-02-06	1985-02-06	Systeme de filtrage optique recurrent

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000473694A CA1231432A (fr)	1985-02-06	1985-02-06	Systeme de filtrage optique recurrent

Publications (1)

Publication Number	Publication Date
CA1231432A true CA1231432A (fr)	1988-01-12

Family

ID=4129771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000473694A Expired CA1231432A (fr)	1985-02-06	1985-02-06	Systeme de filtrage optique recurrent

Country Status (1)

Country	Link
CA (1)	CA1231432A (fr)

1985
- 1985-02-06 CA CA000473694A patent/CA1231432A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
US4522466A (en)	1985-06-11	Recursive optical filter system
EP0424493B1 (fr)	1996-10-09	Systeme de filtre a canaux multiples
US4877297A (en)	1989-10-31	Reconfigurable 0ptical interconnect using dynamic hologram
EP0170158B1 (fr)	1990-05-09	Filtre optique récursif dans le plan de Fourier
US5032002A (en)	1991-07-16	Write with light optical notching filter
US4948212A (en)	1990-08-14	Optical processing in III-V and II-VI compound semiconductors
US6091523A (en)	2000-07-18	Multi-channel receiver
CA1231432A (fr)	1988-01-12	Systeme de filtrage optique recurrent
US4715689A (en)	1987-12-29	Apparatus and method for spatial intensity threshold detection
US6049401A (en)	2000-04-11	Volume holographic memory
US3703640A (en)	1972-11-21	Signal spectral multiplexing system
CA1184409A (fr)	1985-03-26	Dispositif pour donner acces rapidement a une serie d'images en memoire
JPH0549083B2 (fr)	1993-07-23
Thalmann et al.	1988	Optical symbolic substitution using diffraction gratings
Jutamulia et al.	1985	Lau effect and noncoherent processing
Lee et al.	1977	Acousto-optic signal processing for radar applications
US5822111A (en)	1998-10-13	Apparatus and method for coherent acousto-optic signal width modification
Guerin et al.	1983	RF Spectral And Temporal Analysis With A Real Time Tunable Frequency Filter
JP2974804B2 (ja)	1999-11-10	光相関処理方法
Tverdokhleb et al.	1999	Acousto-optics in information technologies
Das et al.	1992	Acousto-optic image correlators
Westervelt et al.	1984	Integrated Optical Pattern Recognition Device
Hong et al.	1996	Photonic rf processing systems
Vampouille et al.	1993	Generation of coherent wavefronts and images inside laser resonators
Collins	1980	Photodichroics as active devices for optical correlation

Legal Events

Date	Code	Title	Description
2005-02-06	MKEX	Expiry