FR2251873A1 - Variable multi-tone buzzer - has eccentric cam on motor's drive shaft to pivot stem of hammer - Google Patents

Variable multi-tone buzzer - has eccentric cam on motor's drive shaft to pivot stem of hammer

Info

Publication number
FR2251873A1
FR2251873A1 FR7438147A FR7438147A FR2251873A1 FR 2251873 A1 FR2251873 A1 FR 2251873A1 FR 7438147 A FR7438147 A FR 7438147A FR 7438147 A FR7438147 A FR 7438147A FR 2251873 A1 FR2251873 A1 FR 2251873A1
Authority
FR
France
Prior art keywords
hammer
drive shaft
eccentric cam
motor
variable multi
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.)
Granted
Application number
FR7438147A
Other languages
English (en)
Other versions
FR2251873B1 (fr
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.)
Seikosha KK
Original Assignee
Seikosha KK
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
Priority claimed from JP13461373U external-priority patent/JPS5330937Y2/ja
Priority claimed from JP13987473A external-priority patent/JPS5328107B2/ja
Priority claimed from JP9621474U external-priority patent/JPS533020Y2/ja
Application filed by Seikosha KK filed Critical Seikosha KK
Publication of FR2251873A1 publication Critical patent/FR2251873A1/fr
Application granted granted Critical
Publication of FR2251873B1 publication Critical patent/FR2251873B1/fr
Granted 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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064—Operating or striking mechanisms therefor
    • G10K1/0645—Operating or striking mechanisms therefor provided with loudness adjustment

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromechanical Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR7438147A 1973-11-21 1974-11-20 Variable multi-tone buzzer - has eccentric cam on motor's drive shaft to pivot stem of hammer Granted FR2251873A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13461373U JPS5330937Y2 (fr) 1973-11-21 1973-11-21
JP13987473A JPS5328107B2 (fr) 1973-12-14 1973-12-14
JP9621474U JPS533020Y2 (fr) 1974-08-12 1974-08-12

Publications (2)

Publication Number Publication Date
FR2251873A1 true FR2251873A1 (en) 1975-06-13
FR2251873B1 FR2251873B1 (fr) 1978-12-08

Family

ID=27308035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438147A Granted FR2251873A1 (en) 1973-11-21 1974-11-20 Variable multi-tone buzzer - has eccentric cam on motor's drive shaft to pivot stem of hammer

Country Status (2)

Country Link
DE (1) DE2455164C2 (fr)
FR (1) FR2251873A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527704A1 (de) * 1985-08-02 1987-02-12 Bundesrep Deutschland Unterwasserbreitbandgeraeuscherzeuger

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2128150A (en) * 1937-04-03 1938-08-23 Froderick B Little Signal device
DE1184249B (de) * 1961-03-15 1964-12-23 Wilhelm Heibl Fa Signalwecker mit einstellbarer Lautstaerke

Also Published As

Publication number Publication date
DE2455164C2 (de) 1983-12-22
FR2251873B1 (fr) 1978-12-08
DE2455164A1 (de) 1975-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse