GB740502A - Electromagnetic sound-producing horns - Google Patents

Electromagnetic sound-producing horns

Info

Publication number
GB740502A
GB740502A GB2308653A GB2308653A GB740502A GB 740502 A GB740502 A GB 740502A GB 2308653 A GB2308653 A GB 2308653A GB 2308653 A GB2308653 A GB 2308653A GB 740502 A GB740502 A GB 740502A
Authority
GB
United Kingdom
Prior art keywords
electromagnetic sound
horns
producing
producing horns
aug
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
GB2308653A
Inventor
Robert Arthur Jenkinson
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
Priority to GB2308653A priority Critical patent/GB740502A/en
Publication of GB740502A publication Critical patent/GB740502A/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

Abstract

740,502. Electric horns. LUCAS (INDUSTRIES), Ltd., J. Aug. ,12, 1954 [Aug. 21, 1953], No. 23086/53. Class 13. The stem g of the armature f is supported at one end by a leaf spring h which is accommodated in a recess a formed in the electromagnet b on the side remote from the diaphragm d.
GB2308653A 1953-08-21 1953-08-21 Electromagnetic sound-producing horns Expired GB740502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2308653A GB740502A (en) 1953-08-21 1953-08-21 Electromagnetic sound-producing horns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2308653A GB740502A (en) 1953-08-21 1953-08-21 Electromagnetic sound-producing horns

Publications (1)

Publication Number Publication Date
GB740502A true GB740502A (en) 1955-11-16

Family

ID=10189885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2308653A Expired GB740502A (en) 1953-08-21 1953-08-21 Electromagnetic sound-producing horns

Country Status (1)

Country Link
GB (1) GB740502A (en)

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