FR1143675A - Mechanical oscillation maintenance device - Google Patents

Mechanical oscillation maintenance device

Info

Publication number
FR1143675A
FR1143675A FR1143675DA FR1143675A FR 1143675 A FR1143675 A FR 1143675A FR 1143675D A FR1143675D A FR 1143675DA FR 1143675 A FR1143675 A FR 1143675A
Authority
FR
France
Prior art keywords
maintenance device
mechanical oscillation
oscillation maintenance
mechanical
oscillation
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1143675A publication Critical patent/FR1143675A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR1143675D 1954-11-06 1955-11-04 Mechanical oscillation maintenance device Expired FR1143675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1143675X 1954-11-06

Publications (1)

Publication Number Publication Date
FR1143675A true FR1143675A (en) 1957-10-03

Family

ID=19870213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143675D Expired FR1143675A (en) 1954-11-06 1955-11-04 Mechanical oscillation maintenance device

Country Status (1)

Country Link
FR (1) FR1143675A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124433B (en) * 1953-06-19 1962-02-22 Bulova Watch Co Inc Time-keeping electrical equipment, e.g. electric clock, preferably wrist watch
DE1149447B (en) * 1958-05-02 1963-05-30 Horstmann Magnetics Ltd Electric motor with a mechanical vibration system for speed control
DE1152062B (en) * 1958-08-08 1963-07-25 Siemens Ag Electric clock drive
DE1178795B (en) * 1958-10-18 1964-09-24 Junghans Geb Ag Electrodynamically driven arrangement, especially gear regulator arrangement for clocks or motor arrangements
DE1203185B (en) * 1958-04-16 1965-10-14 Kieninger & Obergfell Electromechanical frequency generator for clocks and other time keeping devices
DE1235822B (en) * 1957-07-11 1967-03-02 Siemens Ag Electronic clock drive
DE1246595B (en) * 1963-01-07 1967-08-03 Reich Robert W Magnet arrangement for electric and electronic clocks
DE1254748B (en) * 1958-04-26 1967-11-23 Buerk Soehne Wuertt Uhren Small electric direct current motor
DE1261802B (en) * 1957-04-09 1968-02-22 Ebauches Sa Electric balance clock

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124433B (en) * 1953-06-19 1962-02-22 Bulova Watch Co Inc Time-keeping electrical equipment, e.g. electric clock, preferably wrist watch
DE1261802B (en) * 1957-04-09 1968-02-22 Ebauches Sa Electric balance clock
DE1235822B (en) * 1957-07-11 1967-03-02 Siemens Ag Electronic clock drive
DE1203185B (en) * 1958-04-16 1965-10-14 Kieninger & Obergfell Electromechanical frequency generator for clocks and other time keeping devices
DE1254748B (en) * 1958-04-26 1967-11-23 Buerk Soehne Wuertt Uhren Small electric direct current motor
DE1149447B (en) * 1958-05-02 1963-05-30 Horstmann Magnetics Ltd Electric motor with a mechanical vibration system for speed control
DE1152062B (en) * 1958-08-08 1963-07-25 Siemens Ag Electric clock drive
DE1178795B (en) * 1958-10-18 1964-09-24 Junghans Geb Ag Electrodynamically driven arrangement, especially gear regulator arrangement for clocks or motor arrangements
DE1246595B (en) * 1963-01-07 1967-08-03 Reich Robert W Magnet arrangement for electric and electronic clocks

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