FR1237761A - Device for controlling the contrast and luminance of the background simultaneously in a television - Google Patents
Device for controlling the contrast and luminance of the background simultaneously in a televisionInfo
- Publication number
- FR1237761A FR1237761A FR797347A FR797347A FR1237761A FR 1237761 A FR1237761 A FR 1237761A FR 797347 A FR797347 A FR 797347A FR 797347 A FR797347 A FR 797347A FR 1237761 A FR1237761 A FR 1237761A
- Authority
- FR
- France
- Prior art keywords
- luminance
- television
- contrast
- controlling
- background simultaneously
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP20867A DE1259934B (en) | 1958-06-14 | 1958-06-14 | Television receiver circuit arrangement for the simultaneous control of contrast and basic brightness |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1237761A true FR1237761A (en) | 1960-08-05 |
Family
ID=7367979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR797347A Expired FR1237761A (en) | 1958-06-14 | 1959-06-12 | Device for controlling the contrast and luminance of the background simultaneously in a television |
Country Status (4)
Country | Link |
---|---|
US (1) | US3037565A (en) |
DE (1) | DE1259934B (en) |
FR (1) | FR1237761A (en) |
GB (1) | GB919128A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3136849A (en) * | 1961-03-14 | 1964-06-09 | Philco Corp | Television receiver |
GB2057826B (en) * | 1979-08-31 | 1983-01-12 | Ibm | Multibeam cathode ray tube apparatus |
FR2651080A1 (en) * | 1989-08-18 | 1991-02-22 | Hewlett Packard France Sa | GAIN CONTROL DEVICE FOR VIDEO MONITOR |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE721413C (en) * | 1935-08-27 | 1942-06-04 | Telefunken Gmbh | TV receiver with Braunscher tube |
US2194456A (en) * | 1935-08-27 | 1940-03-19 | Telefunken Gmbh | Signaling apparatus |
US2204992A (en) * | 1937-08-20 | 1940-06-18 | Rca Corp | Television receiver |
CH205697A (en) * | 1937-08-20 | 1939-06-30 | Rca Corp | Television receiving circuit. |
US2470048A (en) * | 1946-05-31 | 1949-05-10 | Bendix Aviat Corp | Television receiver |
US2672505A (en) * | 1950-06-13 | 1954-03-16 | Avco Mfg Corp | Black level shift compensating amplifier |
DE1729666U (en) * | 1955-02-11 | 1956-09-13 | Saba Gmbh | DEVICES FOR TRANSFERRING AVERAGE PICTURE BRIGHTNESSES IN PICTURE RECEIVING DEVICES. |
US2943145A (en) * | 1956-03-30 | 1960-06-28 | Louis W Parker | Television tuning indicator |
DE1014159B (en) * | 1956-04-25 | 1957-08-22 | Telefunken Gmbh | Circuit arrangement for contrast control in television receivers |
-
1958
- 1958-06-14 DE DEP20867A patent/DE1259934B/en active Pending
-
1959
- 1959-06-12 FR FR797347A patent/FR1237761A/en not_active Expired
- 1959-06-12 GB GB20211/59A patent/GB919128A/en not_active Expired
- 1959-06-16 US US820734A patent/US3037565A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1259934B (en) | 1968-02-01 |
GB919128A (en) | 1963-02-20 |
US3037565A (en) | 1962-06-05 |
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