JPS6079172U - signal period measuring device - Google Patents
signal period measuring deviceInfo
- Publication number
- JPS6079172U JPS6079172U JP17252683U JP17252683U JPS6079172U JP S6079172 U JPS6079172 U JP S6079172U JP 17252683 U JP17252683 U JP 17252683U JP 17252683 U JP17252683 U JP 17252683U JP S6079172 U JPS6079172 U JP S6079172U
- Authority
- JP
- Japan
- Prior art keywords
- signal period
- counting
- circuits
- measuring device
- control circuit
- 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
- Measuring Frequencies, Analyzing Spectra (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図は従来の信号周期測定器の構成図、第２ 図は
従来の信号周期測定器の動作タイミング図、第３図はこ
の考案による信号周期測定器の構成図、第４図はこの考
案による信号周期測定器の動作タイミング図である。
図において１は入力端子、２はトリガパルス発生回路、
３はゲート制御回路、４はゲート回路Ｘ、５は基準時間
パルス発生回路、６は計数回路Ｘ、７は表示器、８はタ
イミング制御回路、９はゲート回路Ｙ１１０は計数回路
Ｙ１１１はデータ切替回路である。尚図中間−又は相当
部分には同一符号を付して示しである。Fig. 1 is a block diagram of a conventional signal period measuring device, Fig. 2 is an operation timing diagram of a conventional signal period measuring device, Fig. 3 is a block diagram of a signal period measuring device according to this invention, and Fig. 4 is a diagram of this invention. FIG. In the figure, 1 is an input terminal, 2 is a trigger pulse generation circuit,
3 is a gate control circuit, 4 is a gate circuit X, 5 is a reference time pulse generation circuit, 6 is a counting circuit It is. Note that the same reference numerals are given to the middle portions or corresponding portions in the figures.
Claims (1)
する事により入力信号周期を測定する信号周期測定器に
おいて、入力信号周期ごとに通過阻止状態を反転する２
つのゲート回路と、前記２つのゲート回路を通過した基
準時間パルスを計数する２つの計数回路と、前記２つの
ゲート回路の通過阻止状態を常に相補的に制御するゲー
ト制御回路と、前記ゲート制御回路の出力により上記２
つの計数回路の計数値を適宜切替えて出力する切替回路
と、前記切替回路により上記２つの計数回路のうち計数
完了した方の計数値を示する表示器と、上記ゲート制御
回路の出力に基づいて上記２つの計数回路の計数値を零
にリセットし、かつ前記表示器の表示値を更新するタイ
ミング制御回路とを具備したことを特徴とする信号周期
測定器。In a signal period measuring device that measures the input signal period by counting the reference time pulses that occur during one period of the input signal, the pass blocking state is reversed every input signal period.2
two counting circuits that count reference time pulses that have passed through the two gate circuits; a gate control circuit that always complementarily controls passage blocking states of the two gate circuits; and the gate control circuit. The output of 2 above
a switching circuit that appropriately switches and outputs the counted values of the two counting circuits; a display that shows the counted value of the one of the two counting circuits that has completed counting by the switching circuit; A signal period measuring device comprising: a timing control circuit that resets the counts of the two counting circuits to zero and updates the display value of the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17252683U JPS6079172U (en) | 1983-11-08 | 1983-11-08 | signal period measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17252683U JPS6079172U (en) | 1983-11-08 | 1983-11-08 | signal period measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6079172U true JPS6079172U (en) | 1985-06-01 |
Family
ID=30376056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17252683U Pending JPS6079172U (en) | 1983-11-08 | 1983-11-08 | signal period measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079172U (en) |
-
1983
- 1983-11-08 JP JP17252683U patent/JPS6079172U/en active Pending
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