FR511251A - Improvements for sound generating devices - Google Patents

Improvements for sound generating devices

Info

Publication number
FR511251A
FR511251A FR511251DA FR511251A FR 511251 A FR511251 A FR 511251A FR 511251D A FR511251D A FR 511251DA FR 511251 A FR511251 A FR 511251A
Authority
FR
France
Prior art keywords
sound generating
generating devices
devices
sound
generating
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
Other languages
French (fr)
Inventor
Robert Bosch
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 GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR511251A publication Critical patent/FR511251A/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
    • 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
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only
    • 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)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
FR511251D 1914-04-11 1915-04-09 Improvements for sound generating devices Expired FR511251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191504603X 1914-04-11

Publications (1)

Publication Number Publication Date
FR511251A true FR511251A (en) 1920-12-21

Family

ID=32668457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511251D Expired FR511251A (en) 1914-04-11 1915-04-09 Improvements for sound generating devices

Country Status (3)

Country Link
AT (1) AT71319B (en)
FR (1) FR511251A (en)
GB (1) GB191504603A (en)

Also Published As

Publication number Publication date
AT71319B (en) 1916-03-10
GB191504603A (en) 1915-09-23

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