JPS5238259A - Alarm sound producing device - Google Patents

Alarm sound producing device

Info

Publication number
JPS5238259A
JPS5238259A JP50114543A JP11454375A JPS5238259A JP S5238259 A JPS5238259 A JP S5238259A JP 50114543 A JP50114543 A JP 50114543A JP 11454375 A JP11454375 A JP 11454375A JP S5238259 A JPS5238259 A JP S5238259A
Authority
JP
Japan
Prior art keywords
alarm sound
producing device
sound producing
transducer
gradually changed
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.)
Pending
Application number
JP50114543A
Other languages
Japanese (ja)
Inventor
Fumikazu Murakami
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP50114543A priority Critical patent/JPS5238259A/en
Priority to DE19762641149 priority patent/DE2641149A1/en
Priority to GB38891/76A priority patent/GB1525818A/en
Priority to CH1201076A priority patent/CH617818GA3/en
Publication of JPS5238259A publication Critical patent/JPS5238259A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE: To cause drive frequencies for alarm sound to be gradually changed by using transducer having a resonance point, thereby producing effective alarm sound.
COPYRIGHT: (C)1977,JPO&Japio
JP50114543A 1975-09-22 1975-09-22 Alarm sound producing device Pending JPS5238259A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50114543A JPS5238259A (en) 1975-09-22 1975-09-22 Alarm sound producing device
DE19762641149 DE2641149A1 (en) 1975-09-22 1976-09-13 ALARM DEVICE
GB38891/76A GB1525818A (en) 1975-09-22 1976-09-20 Alarm generating apparatus
CH1201076A CH617818GA3 (en) 1975-09-22 1976-09-22 Watch, provided with a device generating an alarm signal whose acoustic intensity varies gradually

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50114543A JPS5238259A (en) 1975-09-22 1975-09-22 Alarm sound producing device

Publications (1)

Publication Number Publication Date
JPS5238259A true JPS5238259A (en) 1977-03-24

Family

ID=14640393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50114543A Pending JPS5238259A (en) 1975-09-22 1975-09-22 Alarm sound producing device

Country Status (4)

Country Link
JP (1) JPS5238259A (en)
CH (1) CH617818GA3 (en)
DE (1) DE2641149A1 (en)
GB (1) GB1525818A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54670A (en) * 1977-05-26 1979-01-06 Seiko Instr & Electronics Ltd Alarm wrista watch
JPH01148991A (en) * 1987-12-07 1989-06-12 Matsushita Electric Ind Co Ltd Alarm sound generator
JP2016007840A (en) * 2014-06-26 2016-01-18 京セラドキュメントソリューションズ株式会社 Electronic apparatus and notification sound output program

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3591475B1 (en) * 2018-07-02 2021-02-24 The Swatch Group Research and Development Ltd Thermoelectric watch suitable for being tested in production or after-sales service

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54670A (en) * 1977-05-26 1979-01-06 Seiko Instr & Electronics Ltd Alarm wrista watch
JPH01148991A (en) * 1987-12-07 1989-06-12 Matsushita Electric Ind Co Ltd Alarm sound generator
JP2016007840A (en) * 2014-06-26 2016-01-18 京セラドキュメントソリューションズ株式会社 Electronic apparatus and notification sound output program

Also Published As

Publication number Publication date
DE2641149A1 (en) 1977-03-31
CH617818B (en)
CH617818GA3 (en) 1980-06-30
GB1525818A (en) 1978-09-20

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