JPS5972038U - dial circuit - Google Patents
dial circuitInfo
- Publication number
- JPS5972038U JPS5972038U JP16687682U JP16687682U JPS5972038U JP S5972038 U JPS5972038 U JP S5972038U JP 16687682 U JP16687682 U JP 16687682U JP 16687682 U JP16687682 U JP 16687682U JP S5972038 U JPS5972038 U JP S5972038U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- series resistor
- circuit
- delay
- dial
- 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
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来回路例、第２図は本考案の回路例、第３図
はタイミングチャート、第４図は第２図回路におけるＣ
ＫとＵ／Ｄ信号の関係を示す。Fig. 1 is an example of a conventional circuit, Fig. 2 is an example of a circuit according to the present invention, Fig. 3 is a timing chart, and Fig. 4 is a C in the circuit of Fig. 2.
The relationship between K and the U/D signal is shown.
Claims (1)
信号より、ＣＫパルスと、ダイアルの回転方向または周
波数のＵ／Ｄを示すＵ／Ｄ信号を検出してＣＰＵに入力
する回路において、ＵＩＤ信号出力とＣＰＵ入力の中間
に直列抵抗と直列抵抗の出力側の並列コンデンサより成
る信号遅延回路を設け、かつ該信号遅延回路の直列抵抗
と並列にダイオードを接続することによりＵ／Ｄ信号の
前縁の遅延を小さく、後縁の遅延を大きく設定したこと
を特徴とするダイアル回路。UID signal output in a circuit that detects a CK pulse and a U/D signal indicating the dial rotation direction or frequency U/D from two pulse signals with different phases generated by the tile encoder and inputs them to the CPU. By providing a signal delay circuit consisting of a series resistor and a parallel capacitor on the output side of the series resistor between the input and the CPU input, and connecting a diode in parallel with the series resistor of the signal delay circuit, the leading edge of the U/D signal is A dial circuit characterized by having a small delay and a large trailing edge delay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16687682U JPS5972038U (en) | 1982-11-02 | 1982-11-02 | dial circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16687682U JPS5972038U (en) | 1982-11-02 | 1982-11-02 | dial circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5972038U true JPS5972038U (en) | 1984-05-16 |
Family
ID=30365236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16687682U Pending JPS5972038U (en) | 1982-11-02 | 1982-11-02 | dial circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5972038U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50134565A (en) * | 1974-04-10 | 1975-10-24 | ||
| JPS5278350A (en) * | 1975-12-25 | 1977-07-01 | Fujitsu Ltd | Phase synchronous oscillator |
-
1982
- 1982-11-02 JP JP16687682U patent/JPS5972038U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50134565A (en) * | 1974-04-10 | 1975-10-24 | ||
| JPS5278350A (en) * | 1975-12-25 | 1977-07-01 | Fujitsu Ltd | Phase synchronous oscillator |
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