NL106415C - - Google Patents
Info
- Publication number
- NL106415C NL106415C NL106415DA NL106415C NL 106415 C NL106415 C NL 106415C NL 106415D A NL106415D A NL 106415DA NL 106415 C NL106415 C NL 106415C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
-
- 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)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL863613X | 1956-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL106415C true NL106415C (fr) |
Family
ID=19849204
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL207647D NL207647A (fr) | 1956-06-02 | ||
| NL106415D NL106415C (fr) | 1956-06-02 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL207647D NL207647A (fr) | 1956-06-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3092720A (fr) |
| FR (1) | FR1182294A (fr) |
| GB (1) | GB863613A (fr) |
| NL (2) | NL106415C (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162758A (en) * | 1961-02-27 | 1964-12-22 | Sperry Rand Corp | System for determining the quotient of two amplitude modulated signals |
| US3274381A (en) * | 1961-11-18 | 1966-09-20 | Nihon Genshiryoku Kenkyu Sho | Division circuit |
| BE648553A (fr) * | 1963-05-28 | |||
| FR2041663A6 (fr) * | 1969-05-20 | 1971-01-29 | Remy Claude | |
| US3670155A (en) * | 1970-07-23 | 1972-06-13 | Communications & Systems Inc | High frequency four quadrant multiplier |
| US3666933A (en) * | 1970-07-23 | 1972-05-30 | Communications & Systems Inc | Four quadrant multiplier using pulse width modulators and the digital exclusive-or |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2525496A (en) * | 1946-09-28 | 1950-10-10 | Westinghouse Electric Corp | Analyzer |
| US2840307A (en) * | 1953-07-28 | 1958-06-24 | Willis S Campbell | Dynamic multiplier circuit |
-
0
- NL NL207647D patent/NL207647A/xx unknown
- NL NL106415D patent/NL106415C/xx active
-
1957
- 1957-04-22 US US654313A patent/US3092720A/en not_active Expired - Lifetime
- 1957-05-30 GB GB17205/57A patent/GB863613A/en not_active Expired
- 1957-06-01 FR FR1182294D patent/FR1182294A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL207647A (fr) | |
| FR1182294A (fr) | 1959-06-24 |
| GB863613A (en) | 1961-03-22 |
| US3092720A (en) | 1963-06-04 |