Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C13/00—Driving mechanisms for clocks by primary clocks
  • G04C13/08—Secondary clocks actuated intermittently
  • G04C13/10—Secondary clocks actuated intermittently by electromechanical step-advancing mechanisms
  • G04C13/11—Secondary clocks actuated intermittently by electromechanical step-advancing mechanisms with rotating armature
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C11/00—Synchronisation of independently-driven clocks
  • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
  • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C9/00—Electrically-actuated devices for setting the time-indicating means
• • G—PHYSICS
  • G04—HOROLOGY
  • G04F—TIME-INTERVAL MEASURING
  • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
  • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
  • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
• • 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
  • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
• • 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
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G7/00—Synchronisation

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electric Clocks (AREA)
• Electromechanical Clocks (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
• Mechanical Treatment Of Semiconductor (AREA)
• Polysaccharides And Polysaccharide Derivatives (AREA)
• Furan Compounds (AREA)
• Control Of Motors That Do Not Use Commutators (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=11528944

Family Applications (1)

Country Status (8)

Families Citing this family (27)

Family Cites Families (4)

• 1973
  • 1973-12-24 JP JP742427A patent/JPS6120817B2/ja not_active Expired
• 1974
  • 1974-12-13 GB GB53938/74A patent/GB1488690A/en not_active Expired
  • 1974-12-13 US US05/532,593 patent/US3948036A/en not_active Expired - Lifetime
  • 1974-12-20 DE DE2460526A patent/DE2460526B2/de not_active Ceased
  • 1974-12-23 IT IT7430956A patent/IT1027994B/it active
  • 1974-12-23 CH CH1716674A patent/CH626221B/de not_active IP Right Cessation
  • 1974-12-24 FR FR7442686A patent/FR2279142A1/fr active Granted
• 1982
  • 1982-06-30 HK HK301/82A patent/HK30182A/xx unknown

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