FR2441973B1 - Convertisseur de balayage de systemes de formation d'images - Google Patents
Convertisseur de balayage de systemes de formation d'imagesInfo
- Publication number
- FR2441973B1 FR2441973B1 FR7927860A FR7927860A FR2441973B1 FR 2441973 B1 FR2441973 B1 FR 2441973B1 FR 7927860 A FR7927860 A FR 7927860A FR 7927860 A FR7927860 A FR 7927860A FR 2441973 B1 FR2441973 B1 FR 2441973B1
- Authority
- FR
- France
- Prior art keywords
- image forming
- forming systems
- scanning converter
- converter
- scanning
- 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
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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/53—Means for transforming coordinates or for evaluating data, e.g. using computers
- G01S7/531—Scan converters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52053—Display arrangements
- G01S7/52057—Cathode ray tube displays
- G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
- G01S7/52063—Sector scan display
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Television Scanning (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/960,212 US4275415A (en) | 1978-11-13 | 1978-11-13 | Scan converter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2441973A1 FR2441973A1 (fr) | 1980-06-13 |
FR2441973B1 true FR2441973B1 (fr) | 1986-04-18 |
Family
ID=25502946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7927860A Expired FR2441973B1 (fr) | 1978-11-13 | 1979-11-12 | Convertisseur de balayage de systemes de formation d'images |
Country Status (7)
Country | Link |
---|---|
US (1) | US4275415A (fr) |
JP (1) | JPS5568362A (fr) |
CA (1) | CA1144670A (fr) |
DE (1) | DE2945794A1 (fr) |
FR (1) | FR2441973B1 (fr) |
GB (1) | GB2037529B (fr) |
NL (1) | NL7908303A (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6060061B2 (ja) * | 1980-10-27 | 1985-12-27 | 株式会社東芝 | 画像処理システム |
EP0070311A4 (fr) * | 1981-01-26 | 1985-06-06 | Rca Corp | Table de consultation pour fonctions non lineaires utilisant une memoire morte de dimensions reduites. |
US4422094A (en) * | 1981-11-06 | 1983-12-20 | Rca Corporation | Digital signal processor with symmetrical transfer characteristic |
US4415928A (en) * | 1981-01-26 | 1983-11-15 | Rca Corporation | Calculation of radial coordinates of polar-coordinate raster scan |
US4387365A (en) * | 1981-05-15 | 1983-06-07 | Advanced Technology Laboratories, Inc. | Real time digital scan converter |
US4547803A (en) * | 1981-11-27 | 1985-10-15 | Raytheon Company | PPI To raster display scan converter |
CA1210117A (fr) * | 1982-12-23 | 1986-08-19 | David M. Thomas | Algorithme de conversion de coordonnees radar pour convertisseur de balayage numerique |
DE3308994A1 (de) * | 1983-03-14 | 1984-09-20 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zur darstellung von bildinformationen |
US4581636A (en) * | 1984-04-02 | 1986-04-08 | Advanced Technology Laboratories, Inc. | Scan conversion apparatus and method |
JPS61146248A (ja) * | 1984-12-20 | 1986-07-03 | 松下電器産業株式会社 | 超音波診断装置 |
GB2169465B (en) * | 1984-12-11 | 1989-10-04 | Mars G B Ltd | Polar to cartesian scan conversion |
US4689675A (en) * | 1985-05-23 | 1987-08-25 | Advanced Systems Development, Inc. | Digital scan converter and method therefor |
JPS62129036A (ja) * | 1985-11-29 | 1987-06-11 | 横河メディカルシステム株式会社 | デイジタルスキヤンコンバ−タ |
US4837579A (en) * | 1986-01-27 | 1989-06-06 | Raytheon Company | Pulse radar threshold generator |
US4845501A (en) * | 1986-01-27 | 1989-07-04 | Raytheon Company | Radar video scan converter |
US4833475A (en) * | 1986-01-27 | 1989-05-23 | Raytheon Company | Raster scan radar with true motion memory |
JPS6488280A (en) * | 1987-07-13 | 1989-04-03 | Sperry Marine Inc | Scan conversion method and apparatus |
US4931801A (en) * | 1989-04-24 | 1990-06-05 | Honeywell Inc. | Method and apparatus to scan convert radar video to television outputs |
US5315305A (en) * | 1993-03-31 | 1994-05-24 | Alliedsignal Inc. | Scan converter for a radar display |
US5519401A (en) * | 1993-11-01 | 1996-05-21 | Loral Corporation | Programmed radar coordinate scan conversion |
US5742297A (en) * | 1994-11-04 | 1998-04-21 | Lockheed Martin Corporation | Apparatus and method for constructing a mosaic of data |
US5530450A (en) * | 1995-01-11 | 1996-06-25 | Loral Corporation | Radar scan converter for PPI rectangular and PPI offset rectangular modes |
JP5411478B2 (ja) * | 2008-10-03 | 2014-02-12 | 古野電気株式会社 | レーダ装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3653044A (en) * | 1969-09-22 | 1972-03-28 | Kaiser Aerospace & Electronics | Display system for providing radar plan position information on a raster display |
US3765018A (en) * | 1972-06-02 | 1973-10-09 | Hughes Aircraft Co | Digital scan converter |
NL7604678A (nl) * | 1975-05-07 | 1976-11-09 | Hoffmann La Roche | Aftastomzetter. |
US4002827A (en) * | 1975-05-15 | 1977-01-11 | General Electric Company | Polar coordinate format to a cartesian coordinate format scan converter |
US4149252A (en) * | 1977-05-20 | 1979-04-10 | The Bendix Corporation | Digital ρ-θ to XY scan converter for use with limited access or random access reiteration memory |
DE2861793D1 (en) * | 1977-11-21 | 1982-06-24 | Gen Electric | Scan converter for ultrasonic sector scanner and method |
-
1978
- 1978-11-13 US US05/960,212 patent/US4275415A/en not_active Expired - Lifetime
-
1979
- 1979-10-26 CA CA000338572A patent/CA1144670A/fr not_active Expired
- 1979-11-12 FR FR7927860A patent/FR2441973B1/fr not_active Expired
- 1979-11-13 NL NL7908303A patent/NL7908303A/nl not_active Application Discontinuation
- 1979-11-13 DE DE19792945794 patent/DE2945794A1/de not_active Withdrawn
- 1979-11-13 JP JP14612479A patent/JPS5568362A/ja active Pending
- 1979-11-13 GB GB7939203A patent/GB2037529B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7908303A (nl) | 1980-05-16 |
GB2037529B (en) | 1982-12-15 |
CA1144670A (fr) | 1983-04-12 |
JPS5568362A (en) | 1980-05-23 |
DE2945794A1 (de) | 1980-05-22 |
FR2441973A1 (fr) | 1980-06-13 |
US4275415A (en) | 1981-06-23 |
GB2037529A (en) | 1980-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |