BE642182A - - Google Patents
Info
- Publication number
- BE642182A BE642182A BE642182DA BE642182A BE 642182 A BE642182 A BE 642182A BE 642182D A BE642182D A BE 642182DA BE 642182 A BE642182 A BE 642182A
- Authority
- BE
- Belgium
- Prior art keywords
- speed
- pulses
- motor
- tape
- coupled
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 230000008859 change Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001289435 Astragalus brachycalyx Species 0.000 description 1
- 235000002917 Fraxinus ornus Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 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
- H02P7/288—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
- H02P7/2885—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 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)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE642182A true BE642182A (enEXAMPLES) |
Family
ID=204930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE642182D BE642182A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE642182A (enEXAMPLES) |
-
0
- BE BE642182D patent/BE642182A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH630586A5 (fr) | Appareil pour bobiner un fil. | |
| FR2464534A1 (fr) | Circuit de commande de la tension d'une bande d'un appareil d'enregistrement a enroulement helicoidal | |
| FR2687864A1 (fr) | Dispositif de detection d'au moins une variable d'etat d'un moteur a courant continu sans balai. | |
| BE642182A (enEXAMPLES) | ||
| FR2480016A1 (fr) | Dispositif de poursuite de piste d'information sur disque | |
| CH381276A (fr) | Appareil d'enregistrement et/ou de reproduction à bande | |
| CA1215466A (en) | Motor differential drive reel tensioning system | |
| US3297266A (en) | Speed control system | |
| EP0168269B1 (fr) | Alignement de suivi de pistes pour tête magnétique tournante | |
| US3582743A (en) | Speed control system for tape recorder apparatus | |
| FR2465292A1 (fr) | Perfectionnement relatif a des mecanismes d'entrainement de la bande pour enregistreurs et lecteurs a bande magnetique, en particulier du type a cassette | |
| US4985787A (en) | Magnetic recording apparatus for positioning magnetic head to track on magnetic tape | |
| GB2091473A (en) | Tape drive methods and apparatus with tape slackening feature | |
| JPS6058142B2 (ja) | リ−ルサ−ボ装置 | |
| FR2465291A1 (fr) | Perfectionnement relatif a des mecanismes d'entrainement de la bande pour des enregistreurs et lecteurs a bande magnetique, en particulier du type a cassette | |
| US4107744A (en) | Variable ratio magnetic tape drive using a variable belt thickness | |
| GB928495A (en) | Improved variable speed gear control arrangement | |
| FR2470426A1 (fr) | Dispositif d'entrainement de bande magnetique, depourvu de galet de pression | |
| FR2476363A1 (fr) | Regulateur electronique de tension de produits deroules entre deux bobines | |
| JPS5940344A (ja) | テ−プリ−ル駆動装置 | |
| BE551563A (enEXAMPLES) | ||
| SU435556A1 (ru) | УСТРОЙСТВО ПЕРЕМОТКИ МАГНИТНОЙ ЛЕНТЫВ П Т' Б(^fi,';s::bT:^!i>& tSAuavf l'>&,'U | |
| EP0344054A1 (fr) | Dispositif d'entraînement de bande pour enregistreur magnétique et enregistreur pourvu d'un tel dispositif | |
| BE668873A (enEXAMPLES) | ||
| BE531023A (enEXAMPLES) |