JPS5422416U - - Google Patents
Info
- Publication number
- JPS5422416U JPS5422416U JP1977094930U JP9493077U JPS5422416U JP S5422416 U JPS5422416 U JP S5422416U JP 1977094930 U JP1977094930 U JP 1977094930U JP 9493077 U JP9493077 U JP 9493077U JP S5422416 U JPS5422416 U JP S5422416U
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lens Barrels (AREA)
- Television Receiver Circuits (AREA)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
- Control Of Electric Motors In General (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977094930U JPS5926697Y2 (ja) | 1977-07-16 | 1977-07-16 | テレビレンズ用サ−ボ増幅回路 |
DE2830697A DE2830697B2 (de) | 1977-07-16 | 1978-07-12 | Servoverstärker zum Antrieb eines Servomotors einer Fernsehkameralinseneinrichtung |
FR7821048A FR2397751A1 (fr) | 1977-07-16 | 1978-07-13 | Amplificateur asservi pour objectif de camera de television |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977094930U JPS5926697Y2 (ja) | 1977-07-16 | 1977-07-16 | テレビレンズ用サ−ボ増幅回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5422416U true JPS5422416U (pl) | 1979-02-14 |
JPS5926697Y2 JPS5926697Y2 (ja) | 1984-08-02 |
Family
ID=14123677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1977094930U Expired JPS5926697Y2 (ja) | 1977-07-16 | 1977-07-16 | テレビレンズ用サ−ボ増幅回路 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5926697Y2 (pl) |
DE (1) | DE2830697B2 (pl) |
FR (1) | FR2397751A1 (pl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02238780A (ja) * | 1989-03-13 | 1990-09-21 | Fuji Photo Optical Co Ltd | テレビカメラ用レンズ装置 |
JPH02294606A (ja) * | 1989-05-10 | 1990-12-05 | Canon Inc | パワーズーム機能付カメラ及びレンズ交換可能なカメラ及びパワーズーム機能付交換レンズ |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5866904A (ja) * | 1981-10-17 | 1983-04-21 | Fuji Photo Optical Co Ltd | サ−ボモジユ−ル用制御回路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4923631A (pl) * | 1972-06-22 | 1974-03-02 | ||
JPS5131651U (pl) * | 1974-08-29 | 1976-03-08 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3061673A (en) * | 1959-02-05 | 1962-10-30 | Thompson Ramo Wooldridge Inc | Servo system for light level control |
DE1917015C3 (de) * | 1969-04-02 | 1975-11-20 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zum Regeln der Amplitude des Ausgangssignals einer Fernsehaufnahmeröhre |
US3593078A (en) * | 1969-09-08 | 1971-07-13 | North American Rockwell | Starting and operating control for an ac motor powered by a dc power supply |
DE2113942B2 (de) * | 1971-03-23 | 1973-09-13 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Kamera, insbesondere Fernsehkamera |
US3848123A (en) * | 1973-03-30 | 1974-11-12 | Rca Corp | Automatic brightness control for image intensifier tube |
-
1977
- 1977-07-16 JP JP1977094930U patent/JPS5926697Y2/ja not_active Expired
-
1978
- 1978-07-12 DE DE2830697A patent/DE2830697B2/de active Granted
- 1978-07-13 FR FR7821048A patent/FR2397751A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4923631A (pl) * | 1972-06-22 | 1974-03-02 | ||
JPS5131651U (pl) * | 1974-08-29 | 1976-03-08 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02238780A (ja) * | 1989-03-13 | 1990-09-21 | Fuji Photo Optical Co Ltd | テレビカメラ用レンズ装置 |
JPH02294606A (ja) * | 1989-05-10 | 1990-12-05 | Canon Inc | パワーズーム機能付カメラ及びレンズ交換可能なカメラ及びパワーズーム機能付交換レンズ |
Also Published As
Publication number | Publication date |
---|---|
FR2397751A1 (fr) | 1979-02-09 |
FR2397751B1 (pl) | 1982-04-23 |
DE2830697B2 (de) | 1979-11-29 |
DE2830697C3 (pl) | 1984-10-04 |
JPS5926697Y2 (ja) | 1984-08-02 |
DE2830697A1 (de) | 1979-01-18 |