JPS5628428B2 - - Google Patents
Info
- Publication number
- JPS5628428B2 JPS5628428B2 JP9351076A JP9351076A JPS5628428B2 JP S5628428 B2 JPS5628428 B2 JP S5628428B2 JP 9351076 A JP9351076 A JP 9351076A JP 9351076 A JP9351076 A JP 9351076A JP S5628428 B2 JPS5628428 B2 JP S5628428B2
- Authority
- JP
- Japan
- 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
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
- H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32842/75A GB1549769A (en) | 1975-08-06 | 1975-08-06 | Negative gamma circuit |
| US05/661,616 US4018988A (en) | 1975-08-06 | 1976-02-26 | Negative gamma circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5237710A JPS5237710A (en) | 1977-03-23 |
| JPS5628428B2 true JPS5628428B2 (en) | 1981-07-01 |
Family
ID=26261588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51093510A Granted JPS5237710A (en) | 1975-08-06 | 1976-08-04 | Gamma circuit |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5237710A (en) |
| CA (1) | CA1094214A (en) |
| DE (1) | DE2635127A1 (en) |
| FR (1) | FR2320674A1 (en) |
| NL (1) | NL7608704A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR837877A (en) * | 1937-05-12 | 1939-02-22 | Fernseh Ag | Process for reversing the degree of blackening of positive or negative films |
| GB649779A (en) * | 1947-11-21 | 1951-01-31 | Mini Of Supply | Improvements in or relating to electronic multiplying and dividing means |
-
1976
- 1976-07-26 CA CA257,810A patent/CA1094214A/en not_active Expired
- 1976-08-04 DE DE19762635127 patent/DE2635127A1/en active Granted
- 1976-08-04 JP JP51093510A patent/JPS5237710A/en active Granted
- 1976-08-05 FR FR7623947A patent/FR2320674A1/en active Granted
- 1976-08-05 NL NL7608704A patent/NL7608704A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CA1094214A (en) | 1981-01-20 |
| FR2320674B1 (en) | 1982-03-12 |
| DE2635127B2 (en) | 1979-01-25 |
| FR2320674A1 (en) | 1977-03-04 |
| JPS5237710A (en) | 1977-03-23 |
| DE2635127C3 (en) | 1979-09-20 |
| DE2635127A1 (en) | 1977-02-10 |
| NL7608704A (en) | 1977-02-08 |