JPS5258959A - Wristwatch with built-in speaker - Google Patents
Wristwatch with built-in speakerInfo
- Publication number
- JPS5258959A JPS5258959A JP13474775A JP13474775A JPS5258959A JP S5258959 A JPS5258959 A JP S5258959A JP 13474775 A JP13474775 A JP 13474775A JP 13474775 A JP13474775 A JP 13474775A JP S5258959 A JPS5258959 A JP S5258959A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- wristwatch
- built
- disposing
- increase
- 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
Landscapes
- Electromechanical Clocks (AREA)
Abstract
PURPOSE: To increase sound converting efficiency and achieve the increase in power supply capacity by disposing quantities of batterise around the magnet of a speaker and disposing a time display part and drive circuit part, etc. in the front recess of the specaker.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13474775A JPS5258959A (en) | 1975-11-11 | 1975-11-11 | Wristwatch with built-in speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13474775A JPS5258959A (en) | 1975-11-11 | 1975-11-11 | Wristwatch with built-in speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5258959A true JPS5258959A (en) | 1977-05-14 |
Family
ID=15135627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13474775A Pending JPS5258959A (en) | 1975-11-11 | 1975-11-11 | Wristwatch with built-in speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5258959A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351041A (en) * | 1979-06-30 | 1982-09-21 | Citizen Watch Co., Ltd. | Acoustic alarm device for watches |
US4482257A (en) * | 1979-06-30 | 1984-11-13 | Citizen Watch Co., Ltd. | Acoustic alarm device for watches |
JPH01163892U (en) * | 1988-04-30 | 1989-11-15 | ||
JP2013221939A (en) * | 2012-04-13 | 2013-10-28 | Eta Sa Manufacture Horlogere Suisse | Device for fixing cell battery with improved contact |
-
1975
- 1975-11-11 JP JP13474775A patent/JPS5258959A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351041A (en) * | 1979-06-30 | 1982-09-21 | Citizen Watch Co., Ltd. | Acoustic alarm device for watches |
US4482257A (en) * | 1979-06-30 | 1984-11-13 | Citizen Watch Co., Ltd. | Acoustic alarm device for watches |
US4493560A (en) * | 1979-06-30 | 1985-01-15 | Citizen Watch Co., Ltd. | Acoustic alarm device for watches |
JPH01163892U (en) * | 1988-04-30 | 1989-11-15 | ||
JP2013221939A (en) * | 2012-04-13 | 2013-10-28 | Eta Sa Manufacture Horlogere Suisse | Device for fixing cell battery with improved contact |
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