GB1056666A - Improvements in or relating to sound signalling devices - Google Patents

Improvements in or relating to sound signalling devices

Info

Publication number
GB1056666A
GB1056666A GB40952/64A GB4095264A GB1056666A GB 1056666 A GB1056666 A GB 1056666A GB 40952/64 A GB40952/64 A GB 40952/64A GB 4095264 A GB4095264 A GB 4095264A GB 1056666 A GB1056666 A GB 1056666A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
armature
relating
oct
core
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
GB40952/64A
Other languages
English (en)
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.)
OHN DOGGART
V&E Friedland Ltd
Original Assignee
OHN DOGGART
V&E Friedland Ltd
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 OHN DOGGART, V&E Friedland Ltd filed Critical OHN DOGGART
Priority to GB40952/64A priority Critical patent/GB1056666A/en
Priority to DE19651516642 priority patent/DE1516642B2/de
Priority to US493819A priority patent/US3408645A/en
Publication of GB1056666A publication Critical patent/GB1056666A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Lock And Its Accessories (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB40952/64A 1964-10-07 1964-10-07 Improvements in or relating to sound signalling devices Expired GB1056666A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB40952/64A GB1056666A (en) 1964-10-07 1964-10-07 Improvements in or relating to sound signalling devices
DE19651516642 DE1516642B2 (de) 1964-10-07 1965-01-07 Schallsignalerzeuger
US493819A US3408645A (en) 1964-10-07 1965-10-07 Sound signalling device having diaphragm and striker apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40952/64A GB1056666A (en) 1964-10-07 1964-10-07 Improvements in or relating to sound signalling devices

Publications (1)

Publication Number Publication Date
GB1056666A true GB1056666A (en) 1967-01-25

Family

ID=10417411

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40952/64A Expired GB1056666A (en) 1964-10-07 1964-10-07 Improvements in or relating to sound signalling devices

Country Status (3)

Country Link
US (1) US3408645A (de)
DE (1) DE1516642B2 (de)
GB (1) GB1056666A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121261A (en) * 1966-06-27 1968-07-24 Lucas Industries Ltd Electromagnetic horns
US3631481A (en) * 1969-11-26 1971-12-28 Wheelock Signals Inc Sound generator
US4075627A (en) * 1977-02-02 1978-02-21 Pittway Corporation Electric horn
US4145688A (en) * 1977-05-31 1979-03-20 P. R. Mallory & Co. Inc. Low cost buzzer
US4142186A (en) * 1977-08-01 1979-02-27 P. R. Mallory & Co., Inc. Means for improving the electroacoustical properties of a buzzer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803004A (en) * 1955-11-22 1957-08-13 Gen Motors Corp Electro-magnetic diaphragm horn and circuit breaker therefor
US2896202A (en) * 1957-08-29 1959-07-21 Lionel Corp Toy railroad systems

Also Published As

Publication number Publication date
DE1516642B2 (de) 1971-12-30
DE1516642A1 (de) 1969-05-29
US3408645A (en) 1968-10-29

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