NL7601567A - Motoraandrijfstelsel, alsmede schakeling daarvoor. - Google Patents

Motoraandrijfstelsel, alsmede schakeling daarvoor.

Info

Publication number
NL7601567A
NL7601567A NL7601567A NL7601567A NL7601567A NL 7601567 A NL7601567 A NL 7601567A NL 7601567 A NL7601567 A NL 7601567A NL 7601567 A NL7601567 A NL 7601567A NL 7601567 A NL7601567 A NL 7601567A
Authority
NL
Netherlands
Prior art keywords
gear
drive system
engine drive
engine
drive
Prior art date
Application number
NL7601567A
Other languages
English (en)
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7601567A publication Critical patent/NL7601567A/nl

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
    • 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
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/34—Monitoring operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
NL7601567A 1975-09-26 1976-02-16 Motoraandrijfstelsel, alsmede schakeling daarvoor. NL7601567A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50115633A JPS5240719A (en) 1975-09-26 1975-09-26 Motor driving system

Publications (1)

Publication Number Publication Date
NL7601567A true NL7601567A (nl) 1977-03-29

Family

ID=14667466

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7601567A NL7601567A (nl) 1975-09-26 1976-02-16 Motoraandrijfstelsel, alsmede schakeling daarvoor.

Country Status (4)

Country Link
US (1) US4031448A (nl)
JP (1) JPS5240719A (nl)
DE (1) DE2605385A1 (nl)
NL (1) NL7601567A (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
US4283783A (en) * 1978-11-28 1981-08-11 Citizen Watch Company Limited Drive control system for stepping motor
CH624538B (fr) * 1979-04-04 Ebauches Sa Piece d'horlogerie electronique.
JPS578472A (en) * 1980-06-20 1982-01-16 Ricoh Elemex Corp Electronic timepiece
US4510429A (en) * 1983-08-19 1985-04-09 Tulin Corporation Stepper motor damping circuit and a method therefor
EP0282675A3 (en) * 1986-11-04 1990-01-03 Bird Products Corporation Flow control valve for a medical ventilator
US5072729A (en) * 1986-11-04 1991-12-17 Bird Products Corporation Ventilator exhalation valve
JPS62247281A (ja) * 1987-03-05 1987-10-28 Seiko Epson Corp 指針式電子時計
US5474062A (en) * 1987-11-04 1995-12-12 Bird Products Corporation Medical ventilator
JP2812528B2 (ja) * 1990-03-20 1998-10-22 株式会社日立製作所 インバータ回路
DE69113528T2 (de) * 1990-07-06 1996-02-29 Hitachi Ltd Bürstenloser Motor mit eingebautem integriertem Schaltkreis, welcher einen peripheren Schaltkreis mit einem Chip beinhaltet.
US5581520A (en) * 1994-01-18 1996-12-03 Electrodynamics, Inc. Watch driven elapsed time indicator apparatus and its method of manufacture and use
ES2207623T3 (es) * 1994-10-14 2004-06-01 Bird Products Corporation Valvula de exhalacion.
JPH11356086A (ja) * 1998-02-12 1999-12-24 Rohm Co Ltd 半導体装置及びこれを用いたディスク駆動装置
US6135967A (en) * 1999-04-26 2000-10-24 Fiorenza; Anthony Joseph Respiratory ventilator with automatic flow calibration
US6240919B1 (en) 1999-06-07 2001-06-05 Macdonald John J. Method for providing respiratory airway support pressure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958167A (en) * 1972-12-04 1976-05-18 Citizen Watch Co., Ltd. Pulse motor
JPS5322648B2 (nl) * 1972-12-04 1978-07-10
JPS5325083B2 (nl) * 1973-02-28 1978-07-25
JPS5442276B2 (nl) * 1973-04-07 1979-12-13
US3965406A (en) * 1974-03-08 1976-06-22 Electronic Engineering Company Of California Stepping motor damping circuit
US3963946A (en) * 1975-02-21 1976-06-15 Robertshaw Controls Company Driver circuit for step motor

Also Published As

Publication number Publication date
JPS5524799B2 (nl) 1980-07-01
DE2605385A1 (de) 1977-03-31
US4031448A (en) 1977-06-21
JPS5240719A (en) 1977-03-29

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