JPS55106381A - Sound volume control system for alarm device - Google Patents
Sound volume control system for alarm deviceInfo
- Publication number
- JPS55106381A JPS55106381A JP1393879A JP1393879A JPS55106381A JP S55106381 A JPS55106381 A JP S55106381A JP 1393879 A JP1393879 A JP 1393879A JP 1393879 A JP1393879 A JP 1393879A JP S55106381 A JPS55106381 A JP S55106381A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- sent
- sound volume
- delivered
- capacity
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000033764 rhythmic process Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/021—Details
- G04G13/023—Adjusting the duration or amplitude of signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1393879A JPS55106381A (en) | 1979-02-09 | 1979-02-09 | Sound volume control system for alarm device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1393879A JPS55106381A (en) | 1979-02-09 | 1979-02-09 | Sound volume control system for alarm device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55106381A true JPS55106381A (en) | 1980-08-15 |
JPS6248240B2 JPS6248240B2 (enrdf_load_stackoverflow) | 1987-10-13 |
Family
ID=11847135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1393879A Granted JPS55106381A (en) | 1979-02-09 | 1979-02-09 | Sound volume control system for alarm device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55106381A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4478525A (en) * | 1980-12-02 | 1984-10-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Musical envelope control device |
-
1979
- 1979-02-09 JP JP1393879A patent/JPS55106381A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4478525A (en) * | 1980-12-02 | 1984-10-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Musical envelope control device |
Also Published As
Publication number | Publication date |
---|---|
JPS6248240B2 (enrdf_load_stackoverflow) | 1987-10-13 |
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