JPS52117168A - Alarm electronic wrist watch - Google Patents
Alarm electronic wrist watchInfo
- Publication number
- JPS52117168A JPS52117168A JP3404076A JP3404076A JPS52117168A JP S52117168 A JPS52117168 A JP S52117168A JP 3404076 A JP3404076 A JP 3404076A JP 3404076 A JP3404076 A JP 3404076A JP S52117168 A JPS52117168 A JP S52117168A
- Authority
- JP
- Japan
- Prior art keywords
- wrist watch
- electronic wrist
- alarm electronic
- sound
- alarm
- 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: Sound radiating efficiency of an electronic buzzer is improved and the alarm sound of a sufficient sound pressure is obtained over a wide driving frequency range by using the resonance by an air chamber and sound radiating holes.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3404076A JPS52117168A (en) | 1976-03-27 | 1976-03-27 | Alarm electronic wrist watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3404076A JPS52117168A (en) | 1976-03-27 | 1976-03-27 | Alarm electronic wrist watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52117168A true JPS52117168A (en) | 1977-10-01 |
Family
ID=12403197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3404076A Pending JPS52117168A (en) | 1976-03-27 | 1976-03-27 | Alarm electronic wrist watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52117168A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH072A (en) * | 1993-06-18 | 1995-01-06 | Uesuto Waaku:Kk | Method for blowing into soil and apparatus therefor |
-
1976
- 1976-03-27 JP JP3404076A patent/JPS52117168A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH072A (en) * | 1993-06-18 | 1995-01-06 | Uesuto Waaku:Kk | Method for blowing into soil and apparatus therefor |
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