AU1434470A - Electromagnetic horns - Google Patents

Electromagnetic horns

Info

Publication number
AU1434470A
AU1434470A AU14344/70A AU1434470A AU1434470A AU 1434470 A AU1434470 A AU 1434470A AU 14344/70 A AU14344/70 A AU 14344/70A AU 1434470 A AU1434470 A AU 1434470A AU 1434470 A AU1434470 A AU 1434470A
Authority
AU
Australia
Prior art keywords
electromagnetic horns
horns
electromagnetic
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
AU14344/70A
Inventor
Bernard Parkes Eric
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 AU1434470A publication Critical patent/AU1434470A/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)
  • Electromagnets (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
AU14344/70A 1969-06-11 1970-04-24 Electromagnetic horns Expired AU1434470A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB29514/69A GB1298675A (en) 1969-06-11 1969-06-11 Electromagnetic horns
GBGB29514 1969-06-11

Publications (1)

Publication Number Publication Date
AU1434470A true AU1434470A (en) 1971-10-28

Family

ID=10292743

Family Applications (1)

Application Number Title Priority Date Filing Date
AU14344/70A Expired AU1434470A (en) 1969-06-11 1970-04-24 Electromagnetic horns

Country Status (5)

Country Link
US (1) US3656155A (en)
AU (1) AU1434470A (en)
DE (1) DE2026882A1 (en)
FR (1) FR2048802A5 (en)
GB (1) GB1298675A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742493A (en) * 1971-12-06 1973-06-26 Edwards Co Audible signal apparatus
GB1416348A (en) * 1972-04-11 1975-12-03 Lucas Electrical Co Ltd Electromagnetic horn
US4199752A (en) * 1978-04-24 1980-04-22 Sonetronic Engineering, Inc. Audible signal device
FR2440052A1 (en) * 1978-10-27 1980-05-23 Klaxon Sa Electromagnetic horn of make-and-break type - insulates pre-assembled contact bridge from leaf spring at one end using insulating sleeve and washers about mounting bolt
EP0011920B1 (en) * 1978-11-01 1983-05-18 LUCAS INDUSTRIES public limited company Electrical connection, method of making it, and electrical horn comprising such a connection
TR201308364A3 (en) * 2013-07-11 2015-05-21 Seger Ses Ve Elektrikli Gerecler Sanayi Anonim Sirketi Structure preventing overheating of audible warning devices for vehicles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1108470A (en) * 1969-02-11 1971-08-12 Joseph Lucas (Industries) Limited Electrically operated sound generators
AU1145470A (en) * 1970-02-16 1971-08-19 United-Carr Incorporated Adjustable warning buzzer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA558456A (en) * 1958-06-10 Dzus William Threaded fastening device
US1613906A (en) * 1926-02-08 1927-01-11 Indiana Lamp Corp Screw retainer
US2803004A (en) * 1955-11-22 1957-08-13 Gen Motors Corp Electro-magnetic diaphragm horn and circuit breaker therefor
US3510922A (en) * 1968-01-31 1970-05-12 Dzus Fastener Co Fastener stud assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1108470A (en) * 1969-02-11 1971-08-12 Joseph Lucas (Industries) Limited Electrically operated sound generators
AU1145470A (en) * 1970-02-16 1971-08-19 United-Carr Incorporated Adjustable warning buzzer

Also Published As

Publication number Publication date
FR2048802A5 (en) 1971-03-19
US3656155A (en) 1972-04-11
GB1298675A (en) 1972-12-06
DE2026882A1 (en) 1970-12-17

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