GB1291329A - Clocks driven by synchronous motors and having auxiliary driving mechanisms - Google Patents

Clocks driven by synchronous motors and having auxiliary driving mechanisms

Info

Publication number
GB1291329A
GB1291329A GB4489470A GB4489470A GB1291329A GB 1291329 A GB1291329 A GB 1291329A GB 4489470 A GB4489470 A GB 4489470A GB 4489470 A GB4489470 A GB 4489470A GB 1291329 A GB1291329 A GB 1291329A
Authority
GB
United Kingdom
Prior art keywords
motor
spring
pole
driven
pole teeth
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
GB4489470A
Other languages
English (en)
Inventor
C Bollmann
H Kordetzky
M Angst
A Hurni
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB1291329A publication Critical patent/GB1291329A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • G04C15/0054—Clocks driven by synchronous motors with power-reserve

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB4489470A 1969-12-16 1970-09-21 Clocks driven by synchronous motors and having auxiliary driving mechanisms Expired GB1291329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1882069A CH510296A (de) 1969-12-16 1969-12-16 Synchronuhr mit Hilfsgangwerk

Publications (1)

Publication Number Publication Date
GB1291329A true GB1291329A (en) 1972-10-04

Family

ID=4435466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4489470A Expired GB1291329A (en) 1969-12-16 1970-09-21 Clocks driven by synchronous motors and having auxiliary driving mechanisms

Country Status (5)

Country Link
JP (1) JPS4916073B1 (enrdf_load_stackoverflow)
CH (2) CH1882069A4 (enrdf_load_stackoverflow)
DE (1) DE7045294U (enrdf_load_stackoverflow)
FR (1) FR2070875B1 (enrdf_load_stackoverflow)
GB (1) GB1291329A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451024A (de) * 1966-01-27 1968-05-15 Landis & Gyr Ag Synchronuhr

Also Published As

Publication number Publication date
DE7045294U (de) 1971-03-18
FR2070875B1 (enrdf_load_stackoverflow) 1974-08-23
FR2070875A1 (enrdf_load_stackoverflow) 1971-09-17
CH1882069A4 (enrdf_load_stackoverflow) 1971-03-31
CH510296A (de) 1971-03-31
JPS4916073B1 (enrdf_load_stackoverflow) 1974-04-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees