BE867456A - Appareil de traitement d'un signal optique - Google Patents
Appareil de traitement d'un signal optiqueInfo
- Publication number
- BE867456A BE867456A BE188016A BE188016A BE867456A BE 867456 A BE867456 A BE 867456A BE 188016 A BE188016 A BE 188016A BE 188016 A BE188016 A BE 188016A BE 867456 A BE867456 A BE 867456A
- Authority
- BE
- Belgium
- Prior art keywords
- signal processing
- optical signal
- processing equipment
- equipment
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques
- G01S15/8968—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques using acoustical modulation of a light beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
- G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
- G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/800,155 US4204262A (en) | 1977-05-25 | 1977-05-25 | Optical signal processing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BE867456A true BE867456A (fr) | 1978-09-18 |
Family
ID=25177623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE188016A BE867456A (fr) | 1977-05-25 | 1978-05-25 | Appareil de traitement d'un signal optique |
Country Status (4)
Country | Link |
---|---|
US (1) | US4204262A (fr) |
BE (1) | BE867456A (fr) |
DE (1) | DE2822362A1 (fr) |
IT (1) | IT1095532B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981001927A1 (fr) * | 1979-12-09 | 1981-07-09 | Commw Scient Ind Res Org | Appareil et procede de traitement de signaux |
US4620290A (en) * | 1981-05-01 | 1986-10-28 | James Constant | Transmission line dividers multipliers Fourier transformers and convolvers |
US4503336A (en) * | 1982-06-14 | 1985-03-05 | Itek Corporation | Beam former having variable delays between LED output signals |
US4649392A (en) * | 1983-01-24 | 1987-03-10 | Sanders Associates, Inc. | Two dimensional transform utilizing ultrasonic dispersive delay line |
US4646099A (en) * | 1983-09-28 | 1987-02-24 | Sanders Associates, Inc. | Three-dimensional fourier-transform device |
US4737930A (en) * | 1983-10-26 | 1988-04-12 | James Constant | Transmission line dividers and multipliers |
US4634230A (en) * | 1984-02-03 | 1987-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Multi dimensional instantaneous optical signal processor |
US4710760A (en) * | 1985-03-07 | 1987-12-01 | American Telephone And Telegraph Company, At&T Information Systems Inc. | Photoelastic touch-sensitive screen |
US4922256A (en) * | 1988-11-18 | 1990-05-01 | Grumman Aerospace Corporation | Tracking receiver for broadband chirp emissions |
US5438632A (en) * | 1993-06-25 | 1995-08-01 | The United States Of America As Represented By The Secretary Of The Air Force | Joint transform correlator using a 4-F lens system to achieve virtual displacement along the optical axis |
US5367579A (en) * | 1993-06-25 | 1994-11-22 | The United States Of America As Represented By The Secretary Of The Air Force | Method of removing spurious responses from optical joint transform correlators |
US10217045B2 (en) * | 2012-07-16 | 2019-02-26 | Cornell University | Computation devices and artificial neurons based on nanoelectromechanical systems |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3555180A (en) * | 1967-02-17 | 1971-01-12 | Servo Corp Of America | Semiconductor detector and scanning device |
US3766559A (en) * | 1971-10-20 | 1973-10-16 | Harris Intertype Corp | Adaptive processor for an rf antenna |
US3836712A (en) * | 1972-12-29 | 1974-09-17 | S Kowel | Direct electronic fourier transforms of optical images |
US4065791A (en) * | 1972-12-29 | 1977-12-27 | Research Corporation | Interaction of images with strain waves to derive Fourier transform components of the images |
US4071907A (en) * | 1976-10-12 | 1978-01-31 | The United States Of America As Represented By The Secretary Of The Navy | Radar signal processor utilizing a multi-channel optical correlator |
-
1977
- 1977-05-25 US US05/800,155 patent/US4204262A/en not_active Expired - Lifetime
-
1978
- 1978-05-23 DE DE19782822362 patent/DE2822362A1/de not_active Withdrawn
- 1978-05-25 IT IT23773/78A patent/IT1095532B/it active
- 1978-05-25 BE BE188016A patent/BE867456A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE2822362A1 (de) | 1978-12-21 |
IT1095532B (it) | 1985-08-10 |
US4204262A (en) | 1980-05-20 |
IT7823773A0 (it) | 1978-05-25 |
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