DE3680633D1 - Digitaler schwellenwertdetektor mit hysterese. - Google Patents
Digitaler schwellenwertdetektor mit hysterese.Info
- Publication number
- DE3680633D1 DE3680633D1 DE8686308259T DE3680633T DE3680633D1 DE 3680633 D1 DE3680633 D1 DE 3680633D1 DE 8686308259 T DE8686308259 T DE 8686308259T DE 3680633 T DE3680633 T DE 3680633T DE 3680633 D1 DE3680633 D1 DE 3680633D1
- Authority
- DE
- Germany
- Prior art keywords
- hysteresis
- threshold detector
- digital threshold
- digital
- detector
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/037—Bistable circuits
- H03K3/0377—Bistables with hysteresis, e.g. Schmitt trigger
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Manipulation Of Pulses (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/791,489 US4700365A (en) | 1985-10-25 | 1985-10-25 | Digital threshold detector with hysteresis |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3680633D1 true DE3680633D1 (de) | 1991-09-05 |
Family
ID=25153900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686308259T Expired - Fee Related DE3680633D1 (de) | 1985-10-25 | 1986-10-23 | Digitaler schwellenwertdetektor mit hysterese. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4700365A (de) |
EP (1) | EP0220946B1 (de) |
JP (1) | JP2525159B2 (de) |
KR (1) | KR950004843B1 (de) |
CA (1) | CA1257345A (de) |
DE (1) | DE3680633D1 (de) |
HK (1) | HK123896A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0783348B2 (ja) * | 1986-05-02 | 1995-09-06 | 株式会社日立製作所 | デジタル信号の復号装置 |
JP2922370B2 (ja) * | 1992-10-13 | 1999-07-19 | シャープ株式会社 | 出力回路 |
DE4327779C1 (de) * | 1993-08-18 | 1994-12-08 | Siemens Ag | Verfahren und Schaltungsanordnung für ein Fernsehgerät zur Verminderung des Flimmerns |
KR100392633B1 (ko) | 2000-12-19 | 2003-07-23 | 삼성전자주식회사 | 광디스크 드라이브의 광픽업장치 |
US7061995B2 (en) * | 2001-10-31 | 2006-06-13 | Intel Corporation | Apparatus and method to generate an adaptive slicer threshold for binary data |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3758868A (en) * | 1971-12-21 | 1973-09-11 | Us Navy | Noise-riding slicer |
US4090221A (en) * | 1972-03-13 | 1978-05-16 | Bell Telephone Laboratories, Incorporated | Apparatus for improving video signal-to-noise ratio |
US3784921A (en) * | 1973-03-23 | 1974-01-08 | Gen Motors Corp | Circuit indicating change and steady state of a dc signal |
US3828204A (en) * | 1973-04-16 | 1974-08-06 | Hughes Aircraft Co | Sensitive pulse threshold detector |
CA1008140A (en) * | 1975-02-12 | 1977-04-05 | John M. Warberg | Bipolar signal processing circuit |
US4240109A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Video movement detection |
US4100532A (en) * | 1976-11-19 | 1978-07-11 | Hewlett-Packard Company | Digital pattern triggering circuit |
US4326168A (en) * | 1977-09-01 | 1982-04-20 | Honeywell Inc. | Signal monitor system |
GB2102236B (en) * | 1978-03-08 | 1983-06-08 | Tokyo Broadcasting Syst | Noise reduction system for colour television signal |
US4218704A (en) * | 1979-03-16 | 1980-08-19 | Bell Telephone Laboratories, Incorporated | Method and apparatus for video signal encoding with motion compensation |
US4291333A (en) * | 1979-05-22 | 1981-09-22 | Fernseh Inc. | Noise filter |
US4291355A (en) * | 1979-07-30 | 1981-09-22 | General Electric Company | Programmable overload circuit |
US4407020A (en) * | 1980-08-25 | 1983-09-27 | Trw Inc. | Automatic compensation circuit and method |
US4387465A (en) * | 1981-04-13 | 1983-06-07 | Trw Inc. | Sequential threshold detector |
GB2101651B (en) * | 1981-06-29 | 1985-02-06 | Robert William Stringer | A post socket |
US4449102A (en) * | 1982-03-15 | 1984-05-15 | Bell Telephone Laboratories, Incorporated | Adaptive threshold circuit |
FR2551290B1 (fr) * | 1983-08-30 | 1985-10-11 | Thomson Csf | Procede et dispositif de detection de points en mouvement dans une image de television pour systemes de television numerique a compression de debit a rafraichissement conditionnel |
US4525638A (en) * | 1984-01-16 | 1985-06-25 | Motorola, Inc. | Zener referenced threshold detector with hysteresis |
US4602374A (en) * | 1984-02-27 | 1986-07-22 | Nippon Telegraph & Telephone Public Corporation | Multi-level decision circuit |
US4639784A (en) | 1985-02-19 | 1987-01-27 | Rca Corporation | Video signal recursive filter adaptively controlled responsive to the history of image motion |
-
1985
- 1985-10-25 US US06/791,489 patent/US4700365A/en not_active Expired - Lifetime
-
1986
- 1986-10-23 CA CA000521274A patent/CA1257345A/en not_active Expired
- 1986-10-23 DE DE8686308259T patent/DE3680633D1/de not_active Expired - Fee Related
- 1986-10-23 KR KR1019860008874A patent/KR950004843B1/ko not_active IP Right Cessation
- 1986-10-23 EP EP86308259A patent/EP0220946B1/de not_active Expired - Lifetime
- 1986-10-23 JP JP61250957A patent/JP2525159B2/ja not_active Expired - Fee Related
-
1996
- 1996-07-11 HK HK123896A patent/HK123896A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK123896A (en) | 1996-07-19 |
US4700365A (en) | 1987-10-13 |
JP2525159B2 (ja) | 1996-08-14 |
EP0220946A2 (de) | 1987-05-06 |
KR950004843B1 (ko) | 1995-05-13 |
JPS62102686A (ja) | 1987-05-13 |
EP0220946B1 (de) | 1991-07-31 |
EP0220946A3 (en) | 1988-05-11 |
KR870004623A (ko) | 1987-05-11 |
CA1257345A (en) | 1989-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |