SE438402B - Videosignalbehandlingskrets - Google Patents
VideosignalbehandlingskretsInfo
- Publication number
- SE438402B SE438402B SE7805898A SE7805898A SE438402B SE 438402 B SE438402 B SE 438402B SE 7805898 A SE7805898 A SE 7805898A SE 7805898 A SE7805898 A SE 7805898A SE 438402 B SE438402 B SE 438402B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- counter
- circuit
- output
- pulse
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2622—Signal amplitude transition in the zone between image portions, e.g. soft edges
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5930577A JPS53144621A (en) | 1977-05-24 | 1977-05-24 | Video signal processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7805898L SE7805898L (sv) | 1978-11-25 |
SE438402B true SE438402B (sv) | 1985-04-15 |
Family
ID=13109519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7805898A SE438402B (sv) | 1977-05-24 | 1978-05-23 | Videosignalbehandlingskrets |
Country Status (11)
Country | Link |
---|---|
US (1) | US4223351A (fr) |
JP (1) | JPS53144621A (fr) |
AT (1) | AT378641B (fr) |
AU (1) | AU516733B2 (fr) |
CA (1) | CA1129543A (fr) |
DE (1) | DE2822719C2 (fr) |
FR (1) | FR2392559B1 (fr) |
GB (1) | GB1585953A (fr) |
IT (1) | IT1095912B (fr) |
NL (1) | NL7805642A (fr) |
SE (1) | SE438402B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3348092C2 (fr) * | 1982-01-15 | 1990-09-13 | Quantel Ltd., Newbury, Berkshire, Gb | |
GB2158318A (en) * | 1984-04-26 | 1985-11-06 | Philips Electronic Associated | Fading circuit for video signals |
US4698682A (en) * | 1986-03-05 | 1987-10-06 | Rca Corporation | Video apparatus and method for producing the illusion of motion from a sequence of still images |
US4887159A (en) * | 1987-03-26 | 1989-12-12 | The Grass Valley Group Inc. | Shadow visual effects wipe generator |
US4780763A (en) * | 1987-03-27 | 1988-10-25 | The Grass Valley Group, Inc. | Video special effects apparatus |
US4890163A (en) * | 1988-04-06 | 1989-12-26 | Grass Valley Group, Inc. | Interrupting a transition sequence between video sources |
JPH02205891A (ja) * | 1989-02-03 | 1990-08-15 | Mitsubishi Electric Corp | 画像表示制御回路 |
US5023720A (en) * | 1989-10-30 | 1991-06-11 | The Grass Valley Group, Inc. | Single channel video push effect |
US5260695A (en) * | 1990-03-14 | 1993-11-09 | Hewlett-Packard Company | Color map image fader for graphics window subsystem |
US5083203A (en) * | 1990-05-31 | 1992-01-21 | Samsung Electronics Co., Ltd. | Control signal spreader |
JP3470440B2 (ja) * | 1995-02-28 | 2003-11-25 | ソニー株式会社 | ランプ信号生成方法、ランプ信号生成装置、液晶駆動装置及び液晶表示装置 |
US5831638A (en) * | 1996-03-08 | 1998-11-03 | International Business Machines Corporation | Graphics display system and method for providing internally timed time-varying properties of display attributes |
US6459459B1 (en) | 1998-01-07 | 2002-10-01 | Sharp Laboratories Of America, Inc. | Method for detecting transitions in sampled digital video sequences |
JP2005044187A (ja) * | 2003-07-23 | 2005-02-17 | Casio Comput Co Ltd | 送信装置および動画付きメール送信方法 |
US20050018050A1 (en) * | 2003-07-23 | 2005-01-27 | Casio Computer Co., Ltd. | Wireless communication device, dynamic image preparation method and dynamic image preparation program |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB799767A (en) * | 1955-09-29 | 1958-08-13 | Philips Electrical Ind Ltd | A test pattern attachment for a television camera |
US3598908A (en) * | 1968-08-30 | 1971-08-10 | Ampex | Digitally controlled lap dissolver |
US3941925A (en) * | 1975-03-10 | 1976-03-02 | Sarkes Tarzian, Inc. | Digital soft edge video transition system |
US3989889A (en) * | 1975-04-02 | 1976-11-02 | Sonex International Corporation | Digital dissolver |
US3989888A (en) * | 1975-08-14 | 1976-11-02 | Sarkes Tarzian, Inc. | Horizontal and vertical soft edge video transition system with edge compression |
US4134129A (en) * | 1976-12-13 | 1979-01-09 | Bell & Howell Company | Tri-directional positioning device for optical system including locking means |
-
1977
- 1977-05-24 JP JP5930577A patent/JPS53144621A/ja active Granted
-
1978
- 1978-05-18 CA CA303,679A patent/CA1129543A/fr not_active Expired
- 1978-05-23 AU AU36383/78A patent/AU516733B2/en not_active Expired
- 1978-05-23 FR FR7815319A patent/FR2392559B1/fr not_active Expired
- 1978-05-23 SE SE7805898A patent/SE438402B/sv not_active IP Right Cessation
- 1978-05-23 IT IT23719/78A patent/IT1095912B/it active
- 1978-05-23 US US05/908,770 patent/US4223351A/en not_active Expired - Lifetime
- 1978-05-24 GB GB22092/78A patent/GB1585953A/en not_active Expired
- 1978-05-24 DE DE2822719A patent/DE2822719C2/de not_active Expired
- 1978-05-24 NL NL7805642A patent/NL7805642A/xx not_active Application Discontinuation
- 1978-05-24 AT AT0380978A patent/AT378641B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7805642A (nl) | 1978-11-28 |
DE2822719A1 (de) | 1978-11-30 |
AU3638378A (en) | 1979-11-29 |
DE2822719C2 (de) | 1986-01-09 |
JPS6114706B2 (fr) | 1986-04-19 |
FR2392559B1 (fr) | 1985-10-31 |
US4223351A (en) | 1980-09-16 |
AT378641B (de) | 1985-09-10 |
GB1585953A (en) | 1981-03-11 |
JPS53144621A (en) | 1978-12-16 |
IT7823719A0 (it) | 1978-05-23 |
IT1095912B (it) | 1985-08-17 |
FR2392559A1 (fr) | 1978-12-22 |
AU516733B2 (en) | 1981-06-18 |
SE7805898L (sv) | 1978-11-25 |
CA1129543A (fr) | 1982-08-10 |
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Legal Events
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---|---|---|---|
NUG | Patent has lapsed |
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