GB2227340B - Radar video scan converter - Google Patents

Radar video scan converter

Info

Publication number: GB2227340B
Authority: GB; United Kingdom
Prior art keywords: scan converter; radar video; video scan; radar; converter
Prior art date: 1986-01-27
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 - Lifetime

Application number

GB8915780A

Other versions

GB8915780D0 (en

GB2227340A (en

Inventor

William M Pease

Albert A Pope

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.)

Raytheon Co

Original Assignee

Raytheon Co

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.)

1986-01-27

Filing date

1989-07-10

Publication date

1990-10-31

1986-01-27 Priority claimed from US06/823,165 external-priority patent/US4845501A/en

1989-07-10 Application filed by Raytheon Co filed Critical Raytheon Co

1989-11-08 Publication of GB8915780D0 publication Critical patent/GB8915780D0/en

1990-07-25 Publication of GB2227340A publication Critical patent/GB2227340A/en

1990-10-31 Application granted granted Critical

1990-10-31 Publication of GB2227340B publication Critical patent/GB2227340B/en

2007-01-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
- G01S7/298—Scan converters
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
- G06F7/548—Trigonometric functions; Co-ordinate transformations

Landscapes

Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
Computational Mathematics (AREA)
Mathematical Analysis (AREA)
Mathematical Optimization (AREA)
Pure & Applied Mathematics (AREA)
Theoretical Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Computer Networks & Wireless Communication (AREA)
Mathematical Physics (AREA)
Computing Systems (AREA)
General Engineering & Computer Science (AREA)
Radar Systems Or Details Thereof (AREA)

GB8915780A 1986-01-27 1989-07-10 Radar video scan converter Expired - Lifetime GB2227340B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/823,165 US4845501A (en)	1986-01-27	1986-01-27	Radar video scan converter
GB8701726A GB2223640B (en)	1986-01-27	1987-01-27	Radar video scan converter

Publications (3)

Publication Number	Publication Date
GB8915780D0 GB8915780D0 (en)	1989-11-08
GB2227340A GB2227340A (en)	1990-07-25
GB2227340B true GB2227340B (en)	1990-10-31

Family

ID=26291838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8915780A Expired - Lifetime GB2227340B (en)	1986-01-27	1989-07-10	Radar video scan converter

Country Status (1)

Country	Link
GB (1)	GB2227340B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1179744A (en) *	1966-04-20	1970-01-28	Hollandse Signaalpparaten Nv	Improvements in or relating to PPI Display Systems
GB1454096A (en) *	1973-06-25	1976-10-27	Cincinnati Milacron Inc	Numerical control systems
US4164739A (en) *	1977-11-25	1979-08-14	Rca Corporation	Reduction of target shift in coordinate converter
GB2044498A (en) *	1979-03-16	1980-10-15	Fiasonics Inc	Polar to cartesian mapping apparatus and method

1989
- 1989-07-10 GB GB8915780A patent/GB2227340B/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1179744A (en) *	1966-04-20	1970-01-28	Hollandse Signaalpparaten Nv	Improvements in or relating to PPI Display Systems
GB1454096A (en) *	1973-06-25	1976-10-27	Cincinnati Milacron Inc	Numerical control systems
US4164739A (en) *	1977-11-25	1979-08-14	Rca Corporation	Reduction of target shift in coordinate converter
GB2044498A (en) *	1979-03-16	1980-10-15	Fiasonics Inc	Polar to cartesian mapping apparatus and method

Also Published As

Publication number	Publication date
GB8915780D0 (en)	1989-11-08
GB2227340A (en)	1990-07-25

Legal Events

Date	Code	Title	Description
2007-02-21	PE20	Patent expired after termination of 20 years	Effective date: 20070126

Publication	Publication Date	Title
GB2223640B (en)	1990-10-31	Radar video scan converter
GB2193411B (en)	1990-08-15	Video scanning systems
GB2127593B (en)	1985-10-09	Scan converter system
GB8702141D0 (en)	1987-03-04	Progressive scan television system
GB2190815B (en)	1990-01-10	Progressive scan video signal processor
GB8615204D0 (en)	1986-10-29	Radar
EP0170869A3 (en)	1988-02-03	Scanning conversion method and scan converter unit employing the conversion method
GB8713455D0 (en)	1987-07-15	Television standards converters
GB2205707B (en)	1991-09-04	Television standards converters
JPS57158879A (en)	1982-09-30	Scanning converter
AU584951B2 (en)	1989-06-08	Digital scan converter
GB2220539B (en)	1992-07-08	Scanning line converter
EP0202426A3 (en)	1989-08-23	Raster scan digital display system
GB2200008B (en)	1991-01-02	Radar
GB2241131B (en)	1991-11-27	Radar
GB2196212B (en)	1990-08-29	Raster scan digital display system
GB8719955D0 (en)	1987-09-30	Image converter
DE3479760D1 (en)	1989-10-19	Scan converters
GB2227340B (en)	1990-10-31	Radar video scan converter
EP0184208A3 (en)	1987-08-05	Digital scan converter
GB8420406D0 (en)	1984-09-12	Slow scan television system
GB2317519B (en)	1998-07-01	Radar
GB2317765B (en)	1998-07-15	Radar
GB8621434D0 (en)	1986-12-17	Image converter
GB8630232D0 (en)	1987-04-15	Radar