ES379241A1 - Automobile vehicles electroacoustical warning devices - Google Patents

Automobile vehicles electroacoustical warning devices

Info

Publication number
ES379241A1
ES379241A1 ES379241A ES379241A ES379241A1 ES 379241 A1 ES379241 A1 ES 379241A1 ES 379241 A ES379241 A ES 379241A ES 379241 A ES379241 A ES 379241A ES 379241 A1 ES379241 A1 ES 379241A1
Authority
ES
Spain
Prior art keywords
electroacoustical
warning devices
automobile vehicles
area
vehicles
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
ES379241A
Other languages
Spanish (es)
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.)
Robert Bosch SA
Original Assignee
Fabrica Espanola de Magnetos SA FEMSA
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 Fabrica Espanola de Magnetos SA FEMSA filed Critical Fabrica Espanola de Magnetos SA FEMSA
Priority to ES379241A priority Critical patent/ES379241A1/en
Priority to GB1080671*[A priority patent/GB1351494A/en
Priority to DE19712121261 priority patent/DE2121261C3/en
Priority to FR7115634A priority patent/FR2120618A5/fr
Publication of ES379241A1 publication Critical patent/ES379241A1/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
    • G10K9/20—Sounding members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

Improvements in electro-acoustic warnings of motor vehicles, essentially characterized in that the ratio between the area of the free surface of the membrane in cm2 and the area of the resonator section in cm2 must be 34 with a tolerance of ± 10%. (Machine-translation by Google Translate, not legally binding)
ES379241A 1970-04-30 1970-04-30 Automobile vehicles electroacoustical warning devices Expired ES379241A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES379241A ES379241A1 (en) 1970-04-30 1970-04-30 Automobile vehicles electroacoustical warning devices
GB1080671*[A GB1351494A (en) 1970-04-30 1971-04-22 Automobile vehicles electroacoustical warning devices
DE19712121261 DE2121261C3 (en) 1970-04-30 1971-04-30 Electromagnetic horn
FR7115634A FR2120618A5 (en) 1970-04-30 1971-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES379241A ES379241A1 (en) 1970-04-30 1970-04-30 Automobile vehicles electroacoustical warning devices

Publications (1)

Publication Number Publication Date
ES379241A1 true ES379241A1 (en) 1972-10-16

Family

ID=8455788

Family Applications (1)

Application Number Title Priority Date Filing Date
ES379241A Expired ES379241A1 (en) 1970-04-30 1970-04-30 Automobile vehicles electroacoustical warning devices

Country Status (3)

Country Link
ES (1) ES379241A1 (en)
FR (1) FR2120618A5 (en)
GB (1) GB1351494A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723693A1 (en) * 1987-07-17 1989-01-26 Hella Kg Hueck & Co SIGNALHORN
IT1315183B1 (en) * 2000-02-04 2003-02-03 Stebel Spa SOUNDER

Also Published As

Publication number Publication date
FR2120618A5 (en) 1972-08-18
GB1351494A (en) 1974-05-01
DE2121261B2 (en) 1975-10-16
DE2121261A1 (en) 1971-11-25

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