JPS5648567A - Acoustic device - Google Patents
Acoustic deviceInfo
- Publication number
- JPS5648567A JPS5648567A JP12575079A JP12575079A JPS5648567A JP S5648567 A JPS5648567 A JP S5648567A JP 12575079 A JP12575079 A JP 12575079A JP 12575079 A JP12575079 A JP 12575079A JP S5648567 A JPS5648567 A JP S5648567A
- Authority
- JP
- Japan
- Prior art keywords
- leds
- timer
- led
- flops
- flip
- 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
- Electric Clocks (AREA)
Abstract
PURPOSE: To avoid the operation mistake, by displaying successively the operating sequence of the buttons in accordance with the preceding operation and at the same time showing clearly the completion of one operation each time.
CONSTITUTION: In case the prescribed program source is set via a timer, the catch is operated to close the switch S1, to trigger the monostable multivibrator 9, to set the flip-flops 16W18 and to light up the LEDs of the LED driving circuits 29W31 respectively. With glowing of these LEDs, the next time setting is urged. Then the timer ON-key with its LED lit up is pushed to close one of the switches S2WS4. Thus the flip-flops 19W21 are reset to turn off the LED. At the same time, the LEDs of the LED driving circuits 32W34 corresponding to the timer key are lit up to urge the time setting operation. In such way, the LEDs are turned on and off successively based on the operating sequence.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12575079A JPS5648567A (en) | 1979-09-28 | 1979-09-28 | Acoustic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12575079A JPS5648567A (en) | 1979-09-28 | 1979-09-28 | Acoustic device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5648567A true JPS5648567A (en) | 1981-05-01 |
Family
ID=14917874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12575079A Pending JPS5648567A (en) | 1979-09-28 | 1979-09-28 | Acoustic device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5648567A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597285A (en) * | 1982-07-06 | 1984-01-14 | Canon Inc | Scheduler |
JPH0336242A (en) * | 1989-06-30 | 1991-02-15 | Nkk Corp | Nonoriented silicon steel sheet excellent in magnetic property and its production |
JPH0724250U (en) * | 1993-10-01 | 1995-05-09 | 延和 中嶋 | Cleaning tip member |
-
1979
- 1979-09-28 JP JP12575079A patent/JPS5648567A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597285A (en) * | 1982-07-06 | 1984-01-14 | Canon Inc | Scheduler |
JPH0336242A (en) * | 1989-06-30 | 1991-02-15 | Nkk Corp | Nonoriented silicon steel sheet excellent in magnetic property and its production |
JPH0724250U (en) * | 1993-10-01 | 1995-05-09 | 延和 中嶋 | Cleaning tip member |
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