JPS53144300A - Alarm device - Google Patents
Alarm deviceInfo
- Publication number
- JPS53144300A JPS53144300A JP5870277A JP5870277A JPS53144300A JP S53144300 A JPS53144300 A JP S53144300A JP 5870277 A JP5870277 A JP 5870277A JP 5870277 A JP5870277 A JP 5870277A JP S53144300 A JPS53144300 A JP S53144300A
- Authority
- JP
- Japan
- Prior art keywords
- physical quantity
- variation
- alarm device
- alarm
- sound
- 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
- Emergency Alarm Devices (AREA)
Abstract
PURPOSE: To detect the variation amount of the physical quantity as well for the device which gives an alarm when detecting the fact that the varying physical quantity becomes higher or lower than the prescribed level, and thus to produce the alarm sound with variation of the tone or the sound volume in accordance with variation of the physical quantity.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5870277A JPS53144300A (en) | 1977-05-23 | 1977-05-23 | Alarm device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5870277A JPS53144300A (en) | 1977-05-23 | 1977-05-23 | Alarm device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53144300A true JPS53144300A (en) | 1978-12-15 |
Family
ID=13091843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5870277A Pending JPS53144300A (en) | 1977-05-23 | 1977-05-23 | Alarm device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53144300A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104616424A (en) * | 2014-06-30 | 2015-05-13 | 杨泽松 | System for preventing children from kicking quilt |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4993002U (en) * | 1972-11-30 | 1974-08-12 |
-
1977
- 1977-05-23 JP JP5870277A patent/JPS53144300A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4993002U (en) * | 1972-11-30 | 1974-08-12 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104616424A (en) * | 2014-06-30 | 2015-05-13 | 杨泽松 | System for preventing children from kicking quilt |
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