GB292757A - Improvements relating to motor and similar horns - Google Patents

Improvements relating to motor and similar horns

Info

Publication number
GB292757A
GB292757A GB1450827A GB1450827A GB292757A GB 292757 A GB292757 A GB 292757A GB 1450827 A GB1450827 A GB 1450827A GB 1450827 A GB1450827 A GB 1450827A GB 292757 A GB292757 A GB 292757A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
trumpet
horn
horns
motor
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
GB1450827A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1450827A priority Critical patent/GB292757A/en
Publication of GB292757A publication Critical patent/GB292757A/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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Catching Or Destruction (AREA)

Abstract

292,757. Isherwood, H. May 30, 1927. Horns, construction of; diaphragm horns; sound magnifying and directing appliances.-A bulb horn and an electric diaphragm horn are connected to the same trumpet A, the diaphragm horn being mounted directly over an open part of the trumpet. Fig. 1 shows a form in which the diaphragm horn is at the side of the trumpet, and the continuity is preserved by a semi-rigid membrane L. The air-bulb communicates with the trumpet through a reed and nested segments C, D. Fig. 2 shows an arrangement in which the diaphragm horn forms the end of the trumpet, the reflecting inner wall H1 being mounted on the diaphragm.
GB1450827A 1927-05-30 1927-05-30 Improvements relating to motor and similar horns Expired GB292757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1450827A GB292757A (en) 1927-05-30 1927-05-30 Improvements relating to motor and similar horns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1450827A GB292757A (en) 1927-05-30 1927-05-30 Improvements relating to motor and similar horns

Publications (1)

Publication Number Publication Date
GB292757A true GB292757A (en) 1928-06-28

Family

ID=10042462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1450827A Expired GB292757A (en) 1927-05-30 1927-05-30 Improvements relating to motor and similar horns

Country Status (1)

Country Link
GB (1) GB292757A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401479A1 (en) * 1977-08-27 1979-03-23 Lucas Industries Ltd WARNING FLAG

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401479A1 (en) * 1977-08-27 1979-03-23 Lucas Industries Ltd WARNING FLAG

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