JPS6116791U - Zero detection device - Google Patents
Zero detection deviceInfo
- Publication number
- JPS6116791U JPS6116791U JP1491785U JP1491785U JPS6116791U JP S6116791 U JPS6116791 U JP S6116791U JP 1491785 U JP1491785 U JP 1491785U JP 1491785 U JP1491785 U JP 1491785U JP S6116791 U JPS6116791 U JP S6116791U
- Authority
- JP
- Japan
- Prior art keywords
- count value
- generates
- drive circuit
- display drive
- output terminals
- 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
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す回路図、第２図は説明
に供する為のテープレコーダを示すブロック図、及び第
３図は７セグメント表示器のＬＥＤの点灯パターンを示
す説明図である。
主な図番の説明、１３・・・・・・アップダウンカウン
タ、１↓・・・・・・７セグメント表示器、１５・・・
・・・表示器駆動回路、１６・・・・・・制御信号発生
回路。Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a block diagram showing a tape recorder for explanation, and Fig. 3 is an explanatory diagram showing the lighting pattern of the LED of a 7-segment display. be. Explanation of main drawing numbers, 13...Up/down counter, 1↓...7 segment display, 15...
. . . Display drive circuit, 16 . . . Control signal generation circuit.
Claims (1)
７発光ダイオードで構成され、前記カウンタのカウント
値を表示する為の７セグメント表示器と、該７セグメン
ト表示器の第１乃至第７発光ダイオードのそれぞれに接
続され、前記カウント値に応じて出力信号を発生する第
１乃至第７出、力端子を有する表示器駆動回路と、該表
示器駆動回路の第１乃至第７出力端子のうち前記カウン
ト値が１０１になった時だけ一方が１ＨＪ信号を発生し
、他方が１ＬＪ信号を発生する所定の２個の出力端子に
それぞれ接続される第１及び第２人力端子を有し、該第
１及び第２人力端子に入力される入力信号を用いて前記
カウント値ｒＪを検出し、制御信号を発生する制御信号
発生回路とから成るゼロ検出装置。a counter that counts the number of input pulses; a 7-segment display that includes first to seventh light-emitting diodes and that displays the count value of the counter; and first to seventh light-emitting diodes of the 7-segment display. a display drive circuit having first to seventh output terminals connected to each of the diodes and generating an output signal according to the count value; and a display drive circuit having first to seventh output terminals of the display drive circuit; It has first and second human power terminals connected respectively to two predetermined output terminals, one of which generates a 1HJ signal and the other of which generates a 1LJ signal only when the count value reaches 101. and a control signal generation circuit that detects the count value rJ using input signals input to the first and second human power terminals and generates a control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1491785U JPS6116791U (en) | 1985-02-05 | 1985-02-05 | Zero detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1491785U JPS6116791U (en) | 1985-02-05 | 1985-02-05 | Zero detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6116791U true JPS6116791U (en) | 1986-01-31 |
Family
ID=30500277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1491785U Pending JPS6116791U (en) | 1985-02-05 | 1985-02-05 | Zero detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6116791U (en) |
-
1985
- 1985-02-05 JP JP1491785U patent/JPS6116791U/en active Pending
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