KR960006538A - OSD anti-shake in case of no signal in multi system - Google Patents
OSD anti-shake in case of no signal in multi system Download PDFInfo
- Publication number
- KR960006538A KR960006538A KR1019940016602A KR19940016602A KR960006538A KR 960006538 A KR960006538 A KR 960006538A KR 1019940016602 A KR1019940016602 A KR 1019940016602A KR 19940016602 A KR19940016602 A KR 19940016602A KR 960006538 A KR960006538 A KR 960006538A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- osd
- shake
- synchronization signal
- circuit means
- Prior art date
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Abstract
본 발명은 오에스디 화면의 디스플레이시에 무신호시의 주파수 변동으로 인해 야기될 수 있는 오에스디 화면의 흔들림을 방지할 수 있도록 한 멀티 시스템에서 오에스디 흔들림 방지장치의 관한 것으로, 이를 위하여, 입력되는 색신호에 대하여 디스플레이 가능한 신호로 처리한 다음 R,G,B 신호에 복합영상신호에서 검출되는 동기신호에 의해 그 주파수 위치가 결정되는 오에스디 흔들림 방지장치에 있어서, 수평/수직 동기회로수단으로 부터 입력되는 무신호 판별신호에 의거하여 50Hz의 주파수를 갖는 동기신호를 발생시켜 크로마/편향 회로수단에 제공하는 동기신호 발생수단을 더 포함하여 구성함으로서, 무신호시에 강제적으로 동시주파수를 세팅시켜 줌으로서 동기주파수 인식오류로 인해 야기될 수 있는 화면상의 오에스디의 흔들림을 효과적으로 방지한 것이다.The present invention relates to an OSD anti-shake device in a multi-system that can prevent oscillation of the OSD screen, which may be caused by a frequency change at the time of no signal during display of the OSD screen. In the OSD anti-shake device in which the frequency position is determined by a synchronizing signal detected in a composite video signal to an R, G, and B signal, the signal is input from a horizontal / vertical synchronizing circuit means. The apparatus further comprises a synchronization signal generating means for generating a synchronization signal having a frequency of 50 Hz based on the non-signal discrimination signal and providing it to the chroma / deflection circuit means. This can effectively prevent the on-screen oscillation caused by the recognition error. It would have prevented.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명의 바람직한 실시예에 따른 멀티 시스템에서 오에스디 흔들림 방지장치에 대한 블럭구성도.1 is a block diagram of an OSD anti-shake device in a multi-system according to a preferred embodiment of the present invention.
제2도는 본 발명에 따라 마이컴이 동기신호를 판별하는 과정을 보여주는 플로우챠트.2 is a flowchart showing a process in which a microcomputer determines a synchronization signal according to the present invention.
제3도는 종래의 오에스디 발생장치에 대한 블럭구성도.3 is a block diagram of a conventional OSD generator.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940016602A KR960006538A (en) | 1994-07-11 | 1994-07-11 | OSD anti-shake in case of no signal in multi system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940016602A KR960006538A (en) | 1994-07-11 | 1994-07-11 | OSD anti-shake in case of no signal in multi system |
Publications (1)
Publication Number | Publication Date |
---|---|
KR960006538A true KR960006538A (en) | 1996-02-23 |
Family
ID=66689375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940016602A KR960006538A (en) | 1994-07-11 | 1994-07-11 | OSD anti-shake in case of no signal in multi system |
Country Status (1)
Country | Link |
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KR (1) | KR960006538A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030027638A (en) * | 2001-09-29 | 2003-04-07 | 삼성전자주식회사 | Control apparatus for OSD |
-
1994
- 1994-07-11 KR KR1019940016602A patent/KR960006538A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030027638A (en) * | 2001-09-29 | 2003-04-07 | 삼성전자주식회사 | Control apparatus for OSD |
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Legal Events
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |