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GB1432363A - Horns - Google Patents

Horns

Info

Publication number
GB1432363A
GB1432363A GB2723072A GB2723072A GB1432363A GB 1432363 A GB1432363 A GB 1432363A GB 2723072 A GB2723072 A GB 2723072A GB 2723072 A GB2723072 A GB 2723072A GB 1432363 A GB1432363 A GB 1432363A
Authority
GB
United Kingdom
Prior art keywords
june
horns
lucas
heading
spacers
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
GB2723072A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co 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 Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB2723072A priority Critical patent/GB1432363A/en
Priority to AU56694/73A priority patent/AU5669473A/en
Priority to IT50567/73A priority patent/IT986146B/en
Priority to BR4315/73A priority patent/BR7304315D0/en
Priority to ES1973192261U priority patent/ES192261Y/en
Priority to ZA733882A priority patent/ZA733882B/en
Priority to JP48065728A priority patent/JPS4951895A/ja
Priority to FR7321309A priority patent/FR2188901A5/fr
Priority to DE2329849A priority patent/DE2329849A1/en
Publication of GB1432363A publication Critical patent/GB1432363A/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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Multiple-Way Valves (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

1432363 Sound magnifying and directing appliances LUCAS (ELECTRICAL) CO Ltd 1 June 1973 [10 June 1972] 27230/72 Heading H4X A horn comprises two moulded parts interconnected by spacers to form a sinuous air passage as shown.
GB2723072A 1972-06-10 1972-06-10 Horns Expired GB1432363A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB2723072A GB1432363A (en) 1972-06-10 1972-06-10 Horns
AU56694/73A AU5669473A (en) 1972-06-10 1973-06-07 Horns horns
IT50567/73A IT986146B (en) 1972-06-10 1973-06-08 HORN FOR HORN OF MOTOR VEHICLES
BR4315/73A BR7304315D0 (en) 1972-06-10 1973-06-08 BUSINA
ES1973192261U ES192261Y (en) 1972-06-10 1973-06-08 HORN.
ZA733882A ZA733882B (en) 1972-06-10 1973-06-08 Horns
JP48065728A JPS4951895A (en) 1972-06-10 1973-06-11
FR7321309A FR2188901A5 (en) 1972-06-10 1973-06-12
DE2329849A DE2329849A1 (en) 1972-06-10 1973-06-12 HORN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2723072A GB1432363A (en) 1972-06-10 1972-06-10 Horns

Publications (1)

Publication Number Publication Date
GB1432363A true GB1432363A (en) 1976-04-14

Family

ID=10256237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2723072A Expired GB1432363A (en) 1972-06-10 1972-06-10 Horns

Country Status (9)

Country Link
JP (1) JPS4951895A (en)
AU (1) AU5669473A (en)
BR (1) BR7304315D0 (en)
DE (1) DE2329849A1 (en)
ES (1) ES192261Y (en)
FR (1) FR2188901A5 (en)
GB (1) GB1432363A (en)
IT (1) IT986146B (en)
ZA (1) ZA733882B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171677A (en) * 1977-08-27 1979-10-23 Lucas Industries Limited Horn flare
US4359961A (en) * 1979-10-22 1982-11-23 Seron Manufacturing Company Plastic whistle
GB2156638A (en) * 1984-02-21 1985-10-09 Kobishi Electric Co Ltd Alarm device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6353521B2 (en) * 2014-03-03 2018-07-04 Toa株式会社 Horn speaker and horn array speaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171677A (en) * 1977-08-27 1979-10-23 Lucas Industries Limited Horn flare
US4359961A (en) * 1979-10-22 1982-11-23 Seron Manufacturing Company Plastic whistle
GB2156638A (en) * 1984-02-21 1985-10-09 Kobishi Electric Co Ltd Alarm device

Also Published As

Publication number Publication date
ES192261U (en) 1974-08-16
ES192261Y (en) 1974-12-16
IT986146B (en) 1975-01-20
DE2329849A1 (en) 1973-12-20
JPS4951895A (en) 1974-05-20
AU5669473A (en) 1974-12-12
BR7304315D0 (en) 1974-07-25
ZA733882B (en) 1974-05-29
FR2188901A5 (en) 1974-01-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee