JPS6172U - Phase difference detection device - Google Patents
Phase difference detection deviceInfo
- Publication number
- JPS6172U JPS6172U JP7269585U JP7269585U JPS6172U JP S6172 U JPS6172 U JP S6172U JP 7269585 U JP7269585 U JP 7269585U JP 7269585 U JP7269585 U JP 7269585U JP S6172 U JPS6172 U JP S6172U
- Authority
- JP
- Japan
- Prior art keywords
- phase difference
- detection device
- power source
- difference detection
- reference power
- 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
- 238000001514 detection method Methods 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000000295 complement effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
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図は従来技術による位相差検出装置の一例を示した
ブロック図、第２図は杢考案の一実施例による位相差検
出装置を示したブロック図、第３図ないし第６図は第２
図の動作を説明するための′グラフ、第７図は本考案の
他実施例による位相差検出装置を示したブロック図、第
８図ないし第１１図は第７図の動作を説明するためのグ
ラフである。
１２：積分器、１８，２０：整形回路、２２：位相差検
出器、４０：零電圧コンパレータ、４２：マイクロプロ
セタサ、４４：表示器、４６：スイッチ制御器、５０：
積分器、５Ｂ，６０：整形器、６２：位相差検出器、７
８：マイクロプロセッサ、８０：表示器。FIG. 1 is a block diagram showing an example of a phase difference detection device according to the prior art, FIG.
Figure 7 is a block diagram showing a phase difference detection device according to another embodiment of the present invention, and Figures 8 to 11 are graphs used to explain the operation of Figure 7. It is a graph. 12: Integrator, 18, 20: Shaping circuit, 22: Phase difference detector, 40: Zero voltage comparator, 42: Microprocessor, 44: Display, 46: Switch controller, 50:
Integrator, 5B, 60: Shaper, 62: Phase difference detector, 7
8: Microprocessor, 80: Display.
Claims (3)
て矩形波を する回路と、 前記２つの矩形波の立上がりまたは立下りに応答して、
前記２つの入力信号の位相差に応じてパルス幅が変化す
るパルス信号を発生する変換回路と、 基準電源と、 充電期間と放電期間とを有し充電期間中は前記パルス信
号を積分して放電期間中は前記基準電源の出力を積分す
る積分器を有するデュアル・スロープ型アナログ／デジ
タル変換器とを設けた位相差検出装置において、 前記変換回路は前記基準電源に接続されており基準電源
の出力に応じた振幅を有する前記パルス信号を発生する
ことを特徴とする位相差検出装置。(1) A circuit that adjusts two input signals having the same frequency to produce a rectangular wave, and a circuit that responds to the rise or fall of the two rectangular waves,
a conversion circuit that generates a pulse signal whose pulse width changes according to the phase difference between the two input signals; a reference power source; and a charging period and a discharging period, and during the charging period, the pulse signal is integrated and discharged. In the phase difference detection device provided with a dual slope analog/digital converter having an integrator that integrates the output of the reference power source during the period, the conversion circuit is connected to the reference power source and the output of the reference power source is A phase difference detection device characterized in that it generates the pulse signal having an amplitude corresponding to.
装置において、 前記パルス信号は互いに相補的な一対のパルスであり、 前記積分器は前記パルスを互いに逆方向に積分する ことを特徴とする位相差検出装置。(2) Utility model registration The phase difference detection device according to claim 1, wherein the pulse signals are a pair of mutually complementary pulses, and the integrator integrates the pulses in mutually opposite directions. Phase difference detection device.
装置において、 前記パルス信号の前記基準電源の出力に応じた振幅は基
準電源の出力と同じ電圧であることを特徴とする位相差
検出装置。(3) In the phase difference detection device according to claim 1 of the utility model Me, the amplitude of the pulse signal according to the output of the reference power source is the same voltage as the output of the reference power source. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7269585U JPS6172U (en) | 1985-05-16 | 1985-05-16 | Phase difference detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7269585U JPS6172U (en) | 1985-05-16 | 1985-05-16 | Phase difference detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172U true JPS6172U (en) | 1986-01-06 |
Family
ID=30611347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7269585U Pending JPS6172U (en) | 1985-05-16 | 1985-05-16 | Phase difference detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172U (en) |
-
1985
- 1985-05-16 JP JP7269585U patent/JPS6172U/en active Pending
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