Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G13/00—Producing acoustic time signals
  • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
  • G04G13/026—Producing acoustic time signals at preselected times, e.g. alarm clocks acting 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
  • G04C23/14—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

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4342335

Family Applications (2)

Family Applications Before (1)

Country Status (1)

• 1975
  • 1975-07-02 CH CH859075A patent/CH599618B5/xx not_active IP Right Cessation
  • 1975-07-02 CH CH859075D patent/CH859075A4/xx unknown

Also Published As

Similar Documents