US3716670A - Comb effect elimination - Google Patents
Comb effect elimination Download PDFInfo
- Publication number
- US3716670A US3716670A US00209981A US3716670DA US3716670A US 3716670 A US3716670 A US 3716670A US 00209981 A US00209981 A US 00209981A US 3716670D A US3716670D A US 3716670DA US 3716670 A US3716670 A US 3716670A
- Authority
- US
- United States
- Prior art keywords
- line
- parity
- scan
- field
- lines
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
Abstract
Description
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20998171A | 1971-12-20 | 1971-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3716670A true US3716670A (en) | 1973-02-13 |
Family
ID=22781129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00209981A Expired - Lifetime US3716670A (en) | 1971-12-20 | 1971-12-20 | Comb effect elimination |
Country Status (8)
Country | Link |
---|---|
US (1) | US3716670A (en) |
JP (1) | JPS4871127A (en) |
CA (1) | CA956724A (en) |
DE (1) | DE2261228C2 (en) |
FR (1) | FR2169829B1 (en) |
GB (1) | GB1349443A (en) |
NL (1) | NL7217375A (en) |
SU (1) | SU544396A3 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4096530A (en) * | 1976-06-17 | 1978-06-20 | General Electric Company | Method and apparatus for obscuring the raster lines in a photograph of a video monitor screen |
US4175272A (en) * | 1977-08-30 | 1979-11-20 | Sony Corporation | Video signal processing circuitry for compensating different average levels |
US4361853A (en) * | 1977-04-14 | 1982-11-30 | Telediffusion De France | System for reducing the visibility of the noise in television pictures |
US4388729A (en) * | 1973-03-23 | 1983-06-14 | Dolby Laboratories, Inc. | Systems for reducing noise in video signals using amplitude averaging of undelayed and time delayed signals |
US4845557A (en) * | 1988-05-02 | 1989-07-04 | Dubner Computer Systems, Inc. | Field motion suppression in interlaced video displays |
US5191416A (en) * | 1991-01-04 | 1993-03-02 | The Post Group Inc. | Video signal processing system |
US5313281A (en) * | 1992-09-29 | 1994-05-17 | Sony United Kingdom Ltd. | Video to film conversion |
US5923784A (en) * | 1993-12-02 | 1999-07-13 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
US20060215057A1 (en) * | 2005-03-09 | 2006-09-28 | Sony Corporation | Image processing apparatus and method |
US20090190030A1 (en) * | 2008-01-30 | 2009-07-30 | Zoran Corporation | Video signal motion detection |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1271158B (en) * | 1966-04-23 | 1968-06-27 | Standard Elektrik Lorenz Ag | Method for suppressing the point structure during the transmission and / or reproduction of partial television pictures |
US3502805A (en) * | 1966-04-23 | 1970-03-24 | Int Standard Electric Corp | Method and apparatus for enhancing the suppressed dot structure of television pictures |
FR1528714A (en) * | 1966-04-23 | 1968-06-14 | Int Standard Electric Corp | Method of removing dot structure during transmission and reproduction of television pictures |
-
1971
- 1971-12-20 US US00209981A patent/US3716670A/en not_active Expired - Lifetime
-
1972
- 1972-12-14 DE DE2261228A patent/DE2261228C2/en not_active Expired
- 1972-12-19 FR FR7245220A patent/FR2169829B1/fr not_active Expired
- 1972-12-19 CA CA159,381A patent/CA956724A/en not_active Expired
- 1972-12-19 SU SU1868339A patent/SU544396A3/en active
- 1972-12-19 GB GB5854672A patent/GB1349443A/en not_active Expired
- 1972-12-20 JP JP47128089A patent/JPS4871127A/ja active Pending
- 1972-12-20 NL NL7217375A patent/NL7217375A/xx not_active Application Discontinuation
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388729A (en) * | 1973-03-23 | 1983-06-14 | Dolby Laboratories, Inc. | Systems for reducing noise in video signals using amplitude averaging of undelayed and time delayed signals |
US4096530A (en) * | 1976-06-17 | 1978-06-20 | General Electric Company | Method and apparatus for obscuring the raster lines in a photograph of a video monitor screen |
US4361853A (en) * | 1977-04-14 | 1982-11-30 | Telediffusion De France | System for reducing the visibility of the noise in television pictures |
US4175272A (en) * | 1977-08-30 | 1979-11-20 | Sony Corporation | Video signal processing circuitry for compensating different average levels |
US4845557A (en) * | 1988-05-02 | 1989-07-04 | Dubner Computer Systems, Inc. | Field motion suppression in interlaced video displays |
US5191416A (en) * | 1991-01-04 | 1993-03-02 | The Post Group Inc. | Video signal processing system |
US5313281A (en) * | 1992-09-29 | 1994-05-17 | Sony United Kingdom Ltd. | Video to film conversion |
US5923784A (en) * | 1993-12-02 | 1999-07-13 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
US6031927A (en) * | 1993-12-02 | 2000-02-29 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
US6041142A (en) * | 1993-12-02 | 2000-03-21 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
US20060215057A1 (en) * | 2005-03-09 | 2006-09-28 | Sony Corporation | Image processing apparatus and method |
US7612827B2 (en) * | 2005-03-09 | 2009-11-03 | Sony Corporation | Image processing apparatus and method |
US20090190030A1 (en) * | 2008-01-30 | 2009-07-30 | Zoran Corporation | Video signal motion detection |
US8593572B2 (en) | 2008-01-30 | 2013-11-26 | Csr Technology Inc. | Video signal motion detection |
Also Published As
Publication number | Publication date |
---|---|
DE2261228A1 (en) | 1973-07-12 |
DE2261228C2 (en) | 1982-05-06 |
JPS4871127A (en) | 1973-09-26 |
GB1349443A (en) | 1974-04-03 |
FR2169829B1 (en) | 1976-04-23 |
CA956724A (en) | 1974-10-22 |
SU544396A3 (en) | 1977-01-25 |
FR2169829A1 (en) | 1973-09-14 |
NL7217375A (en) | 1973-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SECURITY PACIFIC BUSINESS CREDIT INC., A DE CORP. Free format text: SECURITY INTEREST;ASSIGNOR:IMAGE TRANSFORM, INC.;REEL/FRAME:004874/0001 Effective date: 19880429 |
|
AS | Assignment |
Owner name: DIGITAL LASER TRANSFORM LIMITED Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE JUNE 12, 1979;ASSIGNOR:GORMELY INVESTMENTS LIMITED (SUCCESSOR BY AMALGAMATION DATED JANUARY 28, 1982 TO ELLANIN INVESTMENTS LIMITED);REEL/FRAME:004914/0740 Effective date: 19880504 Owner name: COMPACT VIDEO, INC. Free format text: MERGER;ASSIGNORS:COMPACT VIDEO, INC., A CORP OF CA (INTO);COMPACT VIDEO DELAWARE, INC., A DE CORP.;REEL/FRAME:004912/0049 Effective date: 19850513 Owner name: COMPACT VIDEO DELAWARE, INC., A DE CORP. Free format text: MERGER;ASSIGNOR:COMPACT VIDEO, INC.,;REEL/FRAME:004919/0420 Effective date: 19850513 Owner name: IMAGE TRANSFORM, INC., A CA CORP. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:COMPACT VIDEO, INC., A DE CORP.;REEL/FRAME:004914/0763 Effective date: 19880118 Owner name: COMPACT VIDEO, INC. Free format text: CHANGE OF NAME;ASSIGNOR:COMPACT VIDEO SYSTEMS, INC.;REEL/FRAME:004914/0757 Effective date: 19871215 Owner name: COMPACT VIDEO SYSTEMS, INC. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DIGITAL LASER TRANSFORM LIMITED;REEL/FRAME:004914/0741 Effective date: 19790613 |