JPS6291286U - - Google Patents
Info
- Publication number
- JPS6291286U JPS6291286U JP18249985U JP18249985U JPS6291286U JP S6291286 U JPS6291286 U JP S6291286U JP 18249985 U JP18249985 U JP 18249985U JP 18249985 U JP18249985 U JP 18249985U JP S6291286 U JPS6291286 U JP S6291286U
- Authority
- JP
- Japan
- Prior art keywords
- output
- pulse trains
- input terminal
- coincidence detection
- count input
- 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
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Unknown Time Intervals (AREA)
Description
第１図はこの考案による時間計測回路の例を示
す図、第２図はこの考案の時間計測回路のタイム
チヤートの例を示すである。
１１：第１パルス入力端子、１２：第２パルス
入力端子、１３：第１可逆カウンタ、１３Ｄ：計
数出力端、１３ｄ：計数値信号、１４：第２可逆
カウンタ、１５：選択回路、１６：フリツプフロ
ツプ回路、１７：ゲート回路、１８：設定器、１
９：一致検出回路、２１：クロツク源、２２：経
時カウンタ、２３：読込みレジスタ、２４：演算
処理装置、２５：レジスタ、２６：オアゲート、
Ｐ１：第１パルス列、Ｐ２：第２パルス列、ｃｐ
：基準クロツクパルス。
FIG. 1 is a diagram showing an example of a time measuring circuit according to this invention, and FIG. 2 is a diagram showing an example of a time chart of the time measuring circuit according to this invention. 11: First pulse input terminal, 12: Second pulse input terminal, 13: First reversible counter, 13D: Count output terminal, 13d: Count value signal, 14: Second reversible counter, 15: Selection circuit, 16: Flip-flop Circuit, 17: Gate circuit, 18: Setting device, 1
9: Coincidence detection circuit, 21: Clock source, 22: Time counter, 23: Read register, 24: Arithmetic processing unit, 25: Register, 26: OR gate,
P 1 : first pulse train, P 2 : second pulse train, cp
:Reference clock pulse.
Claims (1)
入力端及びダウンカウント入力端に供給され、そ
の第１、第２パルス列をアツプカウント及びダウ
ンカウントする第１可逆カウンタと、 上記第１、第２パルス列がそれぞれダウンカウ
ント入力端及びアツプカウント入力端に供給され
、その第１、第２パルス列をダウンカウント及び
アツプカウントする第２可逆カウンタと、 上記第１、第２可逆カウンタの桁下げ出力によ
り制御され、上記第１、第２可逆カウンタの計数
出力を選択する選択回路と、 上記第１、第２パルス列の差の値が設定される
設定器と、 上記選択回路により選択された計数出力と上記
設定器による設定値との一致を検出し、その一致
検出出力で第１、第２可逆カウンタをクリアする
一致検出回路と、 基準クロツクパルスが供給され、そのクロツク
パルスを計数する経時カウンタと、 上記一致検出回路の一致検出出力によつて上記
経時カウンタの計数出力を取り込む読込みレジス
タとから成る時間計測回路。[Claims for Utility Model Registration] A first reversible counter to which the first and second pulse trains are supplied to an up-count input terminal and a down-count input terminal, respectively, and which counts up and down the first and second pulse trains; a second reversible counter to which the first and second pulse trains are supplied to a down-count input terminal and an up-count input terminal, respectively, and which counts down and up the first and second pulse trains; a selection circuit that is controlled by the carry down output and selects the counting output of the first and second reversible counters; a setting device that sets the value of the difference between the first and second pulse trains; a coincidence detection circuit that detects coincidence between the counted output and the setting value from the setting device and clears the first and second reversible counters with the coincidence detection output; and a time counter that is supplied with a reference clock pulse and counts the clock pulses. and a read register that captures the count output of the elapsed counter based on the coincidence detection output of the coincidence detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18249985U JPH034945Y2 (en) | 1985-11-27 | 1985-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18249985U JPH034945Y2 (en) | 1985-11-27 | 1985-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6291286U true JPS6291286U (en) | 1987-06-11 |
| JPH034945Y2 JPH034945Y2 (en) | 1991-02-07 |
Family
ID=31128354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18249985U Expired JPH034945Y2 (en) | 1985-11-27 | 1985-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034945Y2 (en) |
-
1985
- 1985-11-27 JP JP18249985U patent/JPH034945Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034945Y2 (en) | 1991-02-07 |
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