JPS558161A - Clock generation circuit - Google Patents
Clock generation circuitInfo
- Publication number
- JPS558161A JPS558161A JP8110678A JP8110678A JPS558161A JP S558161 A JPS558161 A JP S558161A JP 8110678 A JP8110678 A JP 8110678A JP 8110678 A JP8110678 A JP 8110678A JP S558161 A JPS558161 A JP S558161A
- Authority
- JP
- Japan
- Prior art keywords
- output
- synchronization
- horizontal
- signals
- timing
- 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.)
- Granted
Links
Landscapes
- Synchronizing For Television (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
PURPOSE: To minimize even the horizontal shift of the liquid crystal TV screen and thus to enhance the picture quality by producing the sampling clock signals from the horizontal synchronous signals and then securing the synchronization for the sampling timing in each horizontal scanning.
CONSTITUTION: Both the frequency and phase control are given to oscillation circuit 34 with the output of phase comparator 31 plus the output of subsequent LPF32. At the same time, the output of circuit 34 or the signal obtained by multiplying and dividing the output of 34 is drawn out in the form of sampling clock 38 of the video signal and horizontal synchronous oscillation output 37. With use of these signals, the synchronization is secured for the video signal sampling timing on each horizontal line, and also the timing has assured synchronization to the same picture element with each frame. As a result, the contour blur is reduced on the TV screen, at the same time enhancing the resolution greatly.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8110678A JPS558161A (en) | 1978-07-05 | 1978-07-05 | Clock generation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8110678A JPS558161A (en) | 1978-07-05 | 1978-07-05 | Clock generation circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS558161A true JPS558161A (en) | 1980-01-21 |
JPS6346636B2 JPS6346636B2 (en) | 1988-09-16 |
Family
ID=13737120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8110678A Granted JPS558161A (en) | 1978-07-05 | 1978-07-05 | Clock generation circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS558161A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741078A (en) * | 1980-08-22 | 1982-03-06 | Seiko Epson Corp | Synchronizing circuit of matrix television |
JPS58129313U (en) * | 1982-02-25 | 1983-09-01 | 橋本フオ−ミング工業株式会社 | clip |
JPS6073914U (en) * | 1983-10-26 | 1985-05-24 | ポツプリベツト・フアスナー株式会社 | clip |
JPS60245378A (en) * | 1984-05-18 | 1985-12-05 | Matsushita Electric Ind Co Ltd | Liquid crystal panel driving device |
JPS6256081A (en) * | 1986-07-08 | 1987-03-11 | Casio Comput Co Ltd | Pocketable television receiver |
JPS6333277U (en) * | 1987-07-23 | 1988-03-03 | ||
US4996596A (en) * | 1988-09-02 | 1991-02-26 | Sanyo Electric Co., Ltd. | Phase synchronizing circuit in video signal receiver and method of establishing phase synchronization |
US5668469A (en) * | 1993-06-28 | 1997-09-16 | Hitachi Denshi Kabushiki Kaisha | Digital oscilloscope using color plane display device and data display method therefore |
-
1978
- 1978-07-05 JP JP8110678A patent/JPS558161A/en active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741078A (en) * | 1980-08-22 | 1982-03-06 | Seiko Epson Corp | Synchronizing circuit of matrix television |
JPS58129313U (en) * | 1982-02-25 | 1983-09-01 | 橋本フオ−ミング工業株式会社 | clip |
JPS6073914U (en) * | 1983-10-26 | 1985-05-24 | ポツプリベツト・フアスナー株式会社 | clip |
JPS6235937Y2 (en) * | 1983-10-26 | 1987-09-12 | ||
JPS60245378A (en) * | 1984-05-18 | 1985-12-05 | Matsushita Electric Ind Co Ltd | Liquid crystal panel driving device |
JPS6256081A (en) * | 1986-07-08 | 1987-03-11 | Casio Comput Co Ltd | Pocketable television receiver |
JPS6333277U (en) * | 1987-07-23 | 1988-03-03 | ||
JPH0246145Y2 (en) * | 1987-07-23 | 1990-12-05 | ||
US4996596A (en) * | 1988-09-02 | 1991-02-26 | Sanyo Electric Co., Ltd. | Phase synchronizing circuit in video signal receiver and method of establishing phase synchronization |
US5668469A (en) * | 1993-06-28 | 1997-09-16 | Hitachi Denshi Kabushiki Kaisha | Digital oscilloscope using color plane display device and data display method therefore |
Also Published As
Publication number | Publication date |
---|---|
JPS6346636B2 (en) | 1988-09-16 |
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