Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H51/00—Electromagnetic relays
  • H01H51/34—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
  • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
  • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
  • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
  • G10K9/15—Self-interrupting arrangements

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Engineering & Computer Science (AREA)
• Acoustics & Sound (AREA)
• Multimedia (AREA)
• Percussion Or Vibration Massage (AREA)
• Breakers (AREA)
• Reciprocating, Oscillating Or Vibrating Motors (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7523421

Family Applications (1)

Country Status (8)

• 1966
  • 1966-11-15 NL NL6616111A patent/NL6616111A/xx unknown
  • 1966-12-12 CH CH1770066A patent/CH448180A/de unknown
  • 1966-12-13 AT AT1148366A patent/AT270456B/de active
  • 1966-12-14 DK DK648566A patent/DK115680B/da unknown
  • 1966-12-14 SE SE1712166A patent/SE317304B/xx unknown
  • 1966-12-14 GB GB5595166A patent/GB1149910A/en not_active Expired
  • 1966-12-14 BE BE691193D patent/BE691193A/xx unknown
  • 1966-12-15 FR FR87635A patent/FR1505722A/fr not_active Expired

Also Published As

Similar Documents