FR1271499A - Device for automatically adjusting luminance and contrast in a television receiver - Google Patents
Device for automatically adjusting luminance and contrast in a television receiverInfo
- Publication number
- FR1271499A FR1271499A FR825228A FR825228A FR1271499A FR 1271499 A FR1271499 A FR 1271499A FR 825228 A FR825228 A FR 825228A FR 825228 A FR825228 A FR 825228A FR 1271499 A FR1271499 A FR 1271499A
- Authority
- FR
- France
- Prior art keywords
- contrast
- television receiver
- automatically adjusting
- adjusting luminance
- luminance
- 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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR825228A FR1271499A (en) | 1960-04-25 | 1960-04-25 | Device for automatically adjusting luminance and contrast in a television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR825228A FR1271499A (en) | 1960-04-25 | 1960-04-25 | Device for automatically adjusting luminance and contrast in a television receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1271499A true FR1271499A (en) | 1961-09-15 |
Family
ID=8729983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR825228A Expired FR1271499A (en) | 1960-04-25 | 1960-04-25 | Device for automatically adjusting luminance and contrast in a television receiver |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1271499A (en) |
-
1960
- 1960-04-25 FR FR825228A patent/FR1271499A/en not_active Expired
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