JPH0365716B2 - - Google Patents
Info
- Publication number
- JPH0365716B2 JPH0365716B2 JP17663582A JP17663582A JPH0365716B2 JP H0365716 B2 JPH0365716 B2 JP H0365716B2 JP 17663582 A JP17663582 A JP 17663582A JP 17663582 A JP17663582 A JP 17663582A JP H0365716 B2 JPH0365716 B2 JP H0365716B2
- Authority
- JP
- Japan
- Prior art keywords
- correction
- signal
- circuit
- amount
- external light
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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 |
|---|---|---|---|
| JP17663582A JPS5966280A (ja) | 1982-10-07 | 1982-10-07 | テレビ受像機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17663582A JPS5966280A (ja) | 1982-10-07 | 1982-10-07 | テレビ受像機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5966280A JPS5966280A (ja) | 1984-04-14 |
| JPH0365716B2 true JPH0365716B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-10-14 |
Family
ID=16017022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17663582A Granted JPS5966280A (ja) | 1982-10-07 | 1982-10-07 | テレビ受像機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5966280A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930005599B1 (ko) * | 1991-05-16 | 1993-06-23 | 삼성전자 주식회사 | 칼라텔레비젼의 화면 조정 회로 및 방법 |
| JP3632574B2 (ja) | 2000-07-31 | 2005-03-23 | セイコーエプソン株式会社 | 環境適応型の画像表示システムおよび情報記憶媒体 |
| US6847374B2 (en) | 2000-07-31 | 2005-01-25 | Seiko Epson Corporation | Environment-compliant image display system and program |
| US7595811B2 (en) | 2001-07-26 | 2009-09-29 | Seiko Epson Corporation | Environment-complaint image display system, projector, and program |
-
1982
- 1982-10-07 JP JP17663582A patent/JPS5966280A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5966280A (ja) | 1984-04-14 |