Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
  • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
  • G04C23/18—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C21/00—Producing acoustic time signals by electrical means
  • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
  • G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
  • G04C23/02—Constructional details
  • G04C23/08—Programming means

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electric Clocks (AREA)
• Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24607318

Family Applications (1)

Country Status (4)

• 1976
  • 1976-08-27 DE DE19762638745 patent/DE2638745A1/en not_active Ceased
• 1977
  • 1977-01-13 DK DK12377A patent/DK12377A/en not_active Application Discontinuation
  • 1977-01-17 LU LU76584A patent/LU76584A1/xx unknown
  • 1977-01-19 ES ES455181A patent/ES455181A1/en not_active Expired

Also Published As

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