KR900019550U - Screen brightness automatic adjustment circuit - Google Patents
Screen brightness automatic adjustment circuitInfo
- Publication number
- KR900019550U KR900019550U KR2019890005456U KR890005456U KR900019550U KR 900019550 U KR900019550 U KR 900019550U KR 2019890005456 U KR2019890005456 U KR 2019890005456U KR 890005456 U KR890005456 U KR 890005456U KR 900019550 U KR900019550 U KR 900019550U
- Authority
- KR
- South Korea
- Prior art keywords
- adjustment circuit
- automatic adjustment
- screen brightness
- brightness automatic
- screen
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890005456U KR950009621Y1 (en) | 1989-04-29 | 1989-04-29 | Bright auto control circuit in tv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890005456U KR950009621Y1 (en) | 1989-04-29 | 1989-04-29 | Bright auto control circuit in tv |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900019550U true KR900019550U (en) | 1990-11-09 |
| KR950009621Y1 KR950009621Y1 (en) | 1995-11-08 |
Family
ID=19285613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019890005456U KR950009621Y1 (en) | 1989-04-29 | 1989-04-29 | Bright auto control circuit in tv |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950009621Y1 (en) |
-
1989
- 1989-04-29 KR KR2019890005456U patent/KR950009621Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR950009621Y1 (en) | 1995-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19890429 |
|
| UG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| AMND | Amendment | ||
| UA0201 | Request for examination |
Patent event date: 19920327 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19890429 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
| E902 | Notification of reason for refusal | ||
| UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19950228 |
|
| AMND | Amendment | ||
| E601 | Decision to refuse application | ||
| UE0601 | Decision on rejection of utility model registration |
Comment text: Decision to Refuse Application Patent event code: UE06011S01D Patent event date: 19950607 |
|
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
| UB0901 | Examination by re-examination before a trial |
Patent event code: UB09011R02I Patent event date: 19950330 Comment text: Amendment to Description, etc. Patent event code: UB09011R02I Patent event date: 19920327 Comment text: Amendment to Description, etc. |
|
| UJ2001 | Appeal |
Decision date: 19960119 Appeal identifier: 1995201001588 Request date: 19950707 Appeal kind category: Appeal against decision to decline refusal |
|
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19951017 |
|
| B701 | Decision to grant | ||
| UB0701 | Decision of registration after re-examination before a trial |
Patent event date: 19960119 Patent event code: UB07012S01D Comment text: Decision to Grant Registration Patent event date: 19950707 Patent event code: UB07011S01I Comment text: Transfer of Trial File for Re-examination before a Trial |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19960416 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19960416 |
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| UR1001 | Payment of annual fee |
Payment date: 19971229 Start annual number: 4 End annual number: 4 |
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| UR1001 | Payment of annual fee |
Payment date: 19981221 Start annual number: 5 End annual number: 5 |
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| UR1001 | Payment of annual fee |
Payment date: 20001031 Start annual number: 6 End annual number: 6 |
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| UR1001 | Payment of annual fee |
Payment date: 20011019 Start annual number: 7 End annual number: 7 |
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| UR1001 | Payment of annual fee |
Payment date: 20020830 Start annual number: 8 End annual number: 8 |
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| FPAY | Annual fee payment |
Payment date: 20031008 Year of fee payment: 9 |
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| UR1001 | Payment of annual fee |
Payment date: 20031008 Start annual number: 9 End annual number: 9 |
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| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |