JPS58175469U - Phase difference measuring device - Google Patents
Phase difference measuring deviceInfo
- Publication number
- JPS58175469U JPS58175469U JP5090083U JP5090083U JPS58175469U JP S58175469 U JPS58175469 U JP S58175469U JP 5090083 U JP5090083 U JP 5090083U JP 5090083 U JP5090083 U JP 5090083U JP S58175469 U JPS58175469 U JP S58175469U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- phase difference
- phase
- signals
- 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
Landscapes
- Measuring Phase Differences (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図は従来のデジタル位相差測定回路を示すブロック
図、第２図および第３図は第１図に示す回路の各点に現
われる信号波形を示す図、第４図は本考案による位相差
測定装置の実施例を示すブロック図、第５図は位相差測
定回路の具体的構成を示す回路図、第６図は移相回路の
具体的構成を ′示す回路図、第７図は移相量が１
８０°の場合の移相回路の構成例を示す回路図、第８図
は本考案による位相差測定装置の他の実施例を示すブロ
ック図である。Fig. 1 is a block diagram showing a conventional digital phase difference measurement circuit, Figs. 2 and 3 are diagrams showing signal waveforms appearing at each point of the circuit shown in Fig. 1, and Fig. 4 is a block diagram showing a conventional digital phase difference measuring circuit. A block diagram showing an embodiment of the measuring device, Fig. 5 is a circuit diagram showing the specific configuration of the phase difference measuring circuit, Fig. 6 is a circuit diagram showing the specific configuration of the phase shift circuit, and Fig. 7 is a circuit diagram showing the specific configuration of the phase difference measuring circuit. amount is 1
A circuit diagram showing an example of the configuration of a phase shift circuit in the case of 80°, and FIG. 8 is a block diagram showing another embodiment of the phase difference measuring device according to the present invention.
Claims (1)
を所定量移相する移相回路、 上記一方の信号のエツジと上記移相回路の出力信号のエ
ツジとの発生時間間隔を検出して両信号の位相差に応じ
た出力パルスを発生するフリップフロップ回路、 前記フリップフロップ回路の出力パルスに応じた数のク
ロックパルスを計数するカウンタ回路、上記入力信号と
上記参照信号との位相差、又は上記一方の信号と上記移
相回路の出力信号との位相差を、両信号のレベルの差異
から検出するゲート回路を含み、このゲート回路の出力
が所定値を越えたとき上記！相出力を発生する位相差判
別回路、及び、 上記移相出力に応じて、上記カウンタ回路の計数値を補
正する補正手段を具備することを特徴とする位相差測定
装置。[Claims for Utility Model Registration] A phase shift circuit that shifts the phase of one of an input signal and a reference signal by a predetermined amount according to a phase shift output, and an edge of one of the signals and an edge of the output signal of the phase shift circuit. a flip-flop circuit that detects the time interval between the two signals and generates an output pulse according to the phase difference between the two signals; a counter circuit that counts the number of clock pulses corresponding to the output pulse of the flip-flop circuit; It includes a gate circuit that detects the phase difference with the reference signal or the phase difference between the one of the signals and the output signal of the phase shift circuit from the difference in level of both signals, and the output of the gate circuit has a predetermined value. Above when exceeded! A phase difference measuring device comprising: a phase difference discrimination circuit that generates a phase output; and a correction means that corrects a count value of the counter circuit in accordance with the phase shift output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5090083U JPS58175469U (en) | 1983-04-07 | 1983-04-07 | Phase difference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5090083U JPS58175469U (en) | 1983-04-07 | 1983-04-07 | Phase difference measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58175469U true JPS58175469U (en) | 1983-11-24 |
| JPH0225181Y2 JPH0225181Y2 (en) | 1990-07-11 |
Family
ID=30061677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5090083U Granted JPS58175469U (en) | 1983-04-07 | 1983-04-07 | Phase difference measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58175469U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009282047A (en) * | 2009-09-01 | 2009-12-03 | Mitsubishi Electric Corp | Phase difference detection circuit and inclination angle measurement device |
-
1983
- 1983-04-07 JP JP5090083U patent/JPS58175469U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0225181Y2 (en) | 1990-07-11 |
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