FR1458271A - Device for adjusting the speed of a motor-driven recording drum - Google Patents
Device for adjusting the speed of a motor-driven recording drumInfo
- Publication number
- FR1458271A FR1458271A FR25981A FR25981A FR1458271A FR 1458271 A FR1458271 A FR 1458271A FR 25981 A FR25981 A FR 25981A FR 25981 A FR25981 A FR 25981A FR 1458271 A FR1458271 A FR 1458271A
- Authority
- FR
- France
- Prior art keywords
- adjusting
- motor
- speed
- recording drum
- driven recording
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/24—Recording seismic data
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
- H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover
-
- 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
- H02P7/2855—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 whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR25981A FR1458271A (en) | 1965-07-26 | 1965-07-26 | Device for adjusting the speed of a motor-driven recording drum |
BE688951D BE688951A (en) | 1965-07-26 | 1966-10-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR25981A FR1458271A (en) | 1965-07-26 | 1965-07-26 | Device for adjusting the speed of a motor-driven recording drum |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1458271A true FR1458271A (en) | 1966-03-04 |
Family
ID=8585252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR25981A Expired FR1458271A (en) | 1965-07-26 | 1965-07-26 | Device for adjusting the speed of a motor-driven recording drum |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE688951A (en) |
FR (1) | FR1458271A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2406339A1 (en) * | 1977-10-11 | 1979-05-11 | Sony Corp | MOTOR SPEED CONTROL CIRCUIT |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69023401T2 (en) * | 1989-07-18 | 1996-04-18 | Mita Industrial Co Ltd | Control voltage calculation method and motor control device using this method. |
-
1965
- 1965-07-26 FR FR25981A patent/FR1458271A/en not_active Expired
-
1966
- 1966-10-27 BE BE688951D patent/BE688951A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2406339A1 (en) * | 1977-10-11 | 1979-05-11 | Sony Corp | MOTOR SPEED CONTROL CIRCUIT |
Also Published As
Publication number | Publication date |
---|---|
BE688951A (en) | 1967-03-31 |
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