JPS5238259A - Alarm sound producing device - Google Patents
Alarm sound producing deviceInfo
- 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
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
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)
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)
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 |
-
1975
- 1975-09-22 JP JP50114543A patent/JPS5238259A/en active Pending
-
1976
- 1976-09-13 DE DE19762641149 patent/DE2641149A1/en not_active Withdrawn
- 1976-09-20 GB GB38891/76A patent/GB1525818A/en not_active Expired
- 1976-09-22 CH CH1201076A patent/CH617818GA3/en unknown
Cited By (3)
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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