GB1123228A - Improvements in and relating to circuit arrangements for contrast control in television receivers - Google Patents
Improvements in and relating to circuit arrangements for contrast control in television receiversInfo
- Publication number
- GB1123228A GB1123228A GB14569/66A GB1456966A GB1123228A GB 1123228 A GB1123228 A GB 1123228A GB 14569/66 A GB14569/66 A GB 14569/66A GB 1456966 A GB1456966 A GB 1456966A GB 1123228 A GB1123228 A GB 1123228A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- black level
- tapping
- anode current
- cathode
- 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
- H04N5/52—Automatic gain control
- H04N5/53—Keyed automatic gain control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/148—Video amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Amplifiers (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6504351A NL6504351A (US06589383-20030708-C00041.png) | 1965-04-06 | 1965-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1123228A true GB1123228A (en) | 1968-08-14 |
Family
ID=19792855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14569/66A Expired GB1123228A (en) | 1965-04-06 | 1966-04-01 | Improvements in and relating to circuit arrangements for contrast control in television receivers |
Country Status (10)
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL80731C (US06589383-20030708-C00041.png) * | 1952-02-21 | |||
| US3334180A (en) * | 1963-11-20 | 1967-08-01 | Hazeltine Research Inc | Television receiver control circuitry coupled to the picture tube screen grid for regulating beam current |
-
1965
- 1965-04-06 NL NL6504351A patent/NL6504351A/xx unknown
-
1966
- 1966-03-24 US US537609A patent/US3440343A/en not_active Expired - Lifetime
- 1966-04-01 GB GB14569/66A patent/GB1123228A/en not_active Expired
- 1966-04-02 ES ES0325057A patent/ES325057A1/es not_active Expired
- 1966-04-02 DE DE19661462823 patent/DE1462823A1/de active Pending
- 1966-04-02 DK DK174166AA patent/DK119216B/da unknown
- 1966-04-04 NO NO162440A patent/NO116166B/no unknown
- 1966-04-04 AT AT317166A patent/AT259040B/de active
- 1966-04-04 CH CH491066A patent/CH447269A/de unknown
- 1966-04-06 BE BE679165D patent/BE679165A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH447269A (de) | 1967-11-30 |
| DK119216B (da) | 1970-11-30 |
| NO116166B (US06589383-20030708-C00041.png) | 1969-02-10 |
| ES325057A1 (es) | 1967-02-16 |
| DE1462823A1 (de) | 1969-01-09 |
| NL6504351A (US06589383-20030708-C00041.png) | 1966-10-07 |
| US3440343A (en) | 1969-04-22 |
| AT259040B (de) | 1967-12-27 |
| BE679165A (US06589383-20030708-C00041.png) | 1966-10-06 |
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