AU1108470A - Electrically operated sound generators - Google Patents

Electrically operated sound generators

Info

Publication number
AU1108470A
AU1108470A AU11084/70A AU1108470A AU1108470A AU 1108470 A AU1108470 A AU 1108470A AU 11084/70 A AU11084/70 A AU 11084/70A AU 1108470 A AU1108470 A AU 1108470A AU 1108470 A AU1108470 A AU 1108470A
Authority
AU
Australia
Prior art keywords
electrically operated
sound generators
operated sound
generators
electrically
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
AU11084/70A
Inventor
John Heap Alec
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries 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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of AU1108470A publication Critical patent/AU1108470A/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)
  • Electromechanical Clocks (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Basic Packing Technique (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Electromagnets (AREA)
AU11084/70A 1969-02-11 1970-02-05 Electrically operated sound generators Expired AU1108470A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB7270 1969-02-11
GB727069 1969-02-11

Publications (1)

Publication Number Publication Date
AU1108470A true AU1108470A (en) 1971-08-12

Family

ID=9829893

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11084/70A Expired AU1108470A (en) 1969-02-11 1970-02-05 Electrically operated sound generators

Country Status (6)

Country Link
US (1) US3631480A (en)
AU (1) AU1108470A (en)
DE (1) DE2005599A1 (en)
ES (1) ES156006Y (en)
FR (1) FR2032716A5 (en)
GB (1) GB1295052A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1434470A (en) * 1969-06-11 1971-10-28 Joseph Lucas' (Industries) Limited Electromagnetic horns

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938143A (en) * 1971-10-22 1976-02-10 Stewart-Warner Corporation Buzzer
US3774200A (en) * 1972-11-10 1973-11-20 Gen Motors Corp Buzzer including coil with wound connections
US4005413A (en) * 1974-01-08 1977-01-25 General Signal Corporation Buzzer construction and method of adjusting the same
US3864823A (en) * 1974-01-08 1975-02-11 Gen Signal Corp Method of making a buzzer structure
US4075627A (en) * 1977-02-02 1978-02-21 Pittway Corporation Electric horn

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6323169A (en) * 1968-12-02 1971-05-06 Joseph Lucas (Industries) Limited Electromagnetic horns

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB767059A (en) * 1954-11-18 1957-01-30 Trix Ltd Improvements in or connected with magnetic sound generators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6323169A (en) * 1968-12-02 1971-05-06 Joseph Lucas (Industries) Limited Electromagnetic horns
AU1145470A (en) * 1970-02-16 1971-08-19 United-Carr Incorporated Adjustable warning buzzer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1434470A (en) * 1969-06-11 1971-10-28 Joseph Lucas' (Industries) Limited Electromagnetic horns

Also Published As

Publication number Publication date
FR2032716A5 (en) 1970-11-27
ES156006Y (en) 1971-01-01
US3631480A (en) 1971-12-28
GB1295052A (en) 1972-11-01
ES156006U (en) 1970-04-16
DE2005599A1 (en) 1970-09-03

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