BE621428A - - Google Patents
Info
- Publication number
- BE621428A BE621428A BE621428DA BE621428A BE 621428 A BE621428 A BE 621428A BE 621428D A BE621428D A BE 621428DA BE 621428 A BE621428 A BE 621428A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Amplification And Gain Control (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US132389A US3169229A (en) | 1961-08-18 | 1961-08-18 | Agc system incorporating controllable semiconductor shunt-type attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621428A true BE621428A (OSRAM) |
Family
ID=22453807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621428D BE621428A (OSRAM) | 1961-08-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3169229A (OSRAM) |
| BE (1) | BE621428A (OSRAM) |
| CH (1) | CH394669A (OSRAM) |
| DE (1) | DE1250493B (OSRAM) |
| GB (1) | GB959510A (OSRAM) |
| NL (1) | NL280812A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL51708A (en) * | 1976-04-22 | 1979-03-12 | Motorola Inc | Automatic gain control circuit |
| US4415803A (en) * | 1980-10-22 | 1983-11-15 | Bell Telephone Laboratories, Incorporated | Optical receiver with improved dynamic range |
| US4747141A (en) * | 1983-10-24 | 1988-05-24 | Kahn Leonard R | AM stereo signal decoder |
| US6806767B2 (en) * | 2002-07-09 | 2004-10-19 | Anadigics, Inc. | Power amplifier with load switching circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2808474A (en) * | 1956-01-23 | 1957-10-01 | Boeing Co | Variable attenuation control circuits |
-
0
- NL NL280812D patent/NL280812A/xx unknown
- DE DENDAT1250493D patent/DE1250493B/de active Pending
- BE BE621428D patent/BE621428A/xx unknown
-
1961
- 1961-08-18 US US132389A patent/US3169229A/en not_active Expired - Lifetime
-
1962
- 1962-04-02 GB GB12580/62A patent/GB959510A/en not_active Expired
- 1962-08-14 CH CH958762A patent/CH394669A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL280812A (OSRAM) | |
| DE1250493B (de) | 1967-09-21 |
| CH394669A (fr) | 1965-06-30 |
| US3169229A (en) | 1965-02-09 |
| GB959510A (en) | 1964-06-03 |