GB1239079A - - Google Patents
Info
- Publication number
- GB1239079A GB1239079A GB1239079DA GB1239079A GB 1239079 A GB1239079 A GB 1239079A GB 1239079D A GB1239079D A GB 1239079DA GB 1239079 A GB1239079 A GB 1239079A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- limiting
- circuit
- pulse generator
- amplifier
- 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
- 238000007599 discharging Methods 0.000 abstract 2
- 230000001360 synchronised effect Effects 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
Classifications
-
- 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
- H02P7/292—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 static converters, e.g. AC to DC
- H02P7/293—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 static converters, e.g. AC to DC using phase control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR115140A FR1539796A (fr) | 1967-07-21 | 1967-07-21 | Circuit d'alimentation en courant électrique permettant en particulier de faire varier la vitesse d'un moteur |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1239079A true GB1239079A (enrdf_load_stackoverflow) | 1971-07-14 |
Family
ID=8635525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1239079D Expired GB1239079A (enrdf_load_stackoverflow) | 1967-07-21 | 1968-07-17 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE717734A (enrdf_load_stackoverflow) |
CH (1) | CH475670A (enrdf_load_stackoverflow) |
DE (1) | DE1763711C3 (enrdf_load_stackoverflow) |
FR (1) | FR1539796A (enrdf_load_stackoverflow) |
GB (1) | GB1239079A (enrdf_load_stackoverflow) |
SE (1) | SE355705B (enrdf_load_stackoverflow) |
-
1967
- 1967-07-21 FR FR115140A patent/FR1539796A/fr not_active Expired
-
1968
- 1968-07-05 BE BE717734D patent/BE717734A/xx unknown
- 1968-07-17 GB GB1239079D patent/GB1239079A/en not_active Expired
- 1968-07-18 SE SE09865/68A patent/SE355705B/xx unknown
- 1968-07-19 CH CH1086068A patent/CH475670A/fr not_active IP Right Cessation
- 1968-07-22 DE DE1763711A patent/DE1763711C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1763711B2 (de) | 1973-07-12 |
DE1763711A1 (de) | 1971-05-13 |
CH475670A (fr) | 1969-07-15 |
FR1539796A (fr) | 1968-09-20 |
SE355705B (enrdf_load_stackoverflow) | 1973-04-30 |
BE717734A (enrdf_load_stackoverflow) | 1968-12-16 |
DE1763711C3 (de) | 1974-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |