JPS62154795U - - Google Patents
Info
- Publication number
- JPS62154795U JPS62154795U JP1986041174U JP4117486U JPS62154795U JP S62154795 U JPS62154795 U JP S62154795U JP 1986041174 U JP1986041174 U JP 1986041174U JP 4117486 U JP4117486 U JP 4117486U JP S62154795 U JPS62154795 U JP S62154795U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pass filter
- low
- signal
- control signal
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第1図は本考案の一実施例を示す図、第2図は
波形図である。第3図は従来例を示す図、第4図
は波形図である。
20……デジタルサーボIC(デジタルサーボ
回路)、30,32,34,36……ローパスフ
イルタ(第1ローパスフイルタ)、46,48…
…OPアンプ(差動増幅器)、50……基準信号
発振回路、74……基準電圧出力端子(基準電圧
端)、70……18分周回路(分周回路)、72
……ローパスフイルタ(第2ローパスフイルタ)
、(D―AFC)(D―APC)(C―AFC)
(C―APC)……回転制御信号、10,12…
…モータ。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a waveform diagram. FIG. 3 is a diagram showing a conventional example, and FIG. 4 is a waveform diagram. 20... Digital servo IC (digital servo circuit), 30, 32, 34, 36... Low pass filter (first low pass filter), 46, 48...
...OP amplifier (differential amplifier), 50...Reference signal oscillation circuit, 74...Reference voltage output terminal (reference voltage terminal), 70...18 frequency division circuit (frequency division circuit), 72
...Low pass filter (second low pass filter)
, (D-AFC) (D-APC) (C-AFC)
(C-APC)... Rotation control signal, 10, 12...
…motor.
Claims (1)
号をPWM波として導出するデジタルサーボ回路
と、 前記回転制御信号を平滑する第1ローパスフイ
ルタと、 一方が前記第1ローパスフイルタの出力端に接
続されると共に他方が基準電圧端に接続され、前
記回転体を駆動せしめるモータの制御信号を発生
する差動増幅器と、 前記デジタルサーボ回路に内蔵された基準信号
発振回路とを、 備えるサーボ装置に於いて、 前記基準発振回路の出力を固定周期で分割して
基準パルス信号を作成する分周回路と、 前記基準パルス信号を平滑して前記基準電圧端
に出力する第2ローパスフイルタとを、 備えることを特徴とするサーボ装置。[Claims for Utility Model Registration] A digital servo circuit that receives a rotation detection signal of a rotating body and derives a rotation control signal as a PWM wave; a first low-pass filter that smoothes the rotation control signal; a differential amplifier connected to an output terminal of the low-pass filter and the other connected to a reference voltage terminal, which generates a control signal for a motor that drives the rotating body; and a reference signal oscillation circuit built into the digital servo circuit. A servo device comprising: a frequency dividing circuit that divides the output of the reference oscillation circuit at a fixed period to create a reference pulse signal; and a second frequency dividing circuit that smoothes the reference pulse signal and outputs it to the reference voltage terminal. A servo device comprising: a low-pass filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986041174U JP2519355Y2 (en) | 1986-03-20 | 1986-03-20 | Servo device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986041174U JP2519355Y2 (en) | 1986-03-20 | 1986-03-20 | Servo device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62154795U true JPS62154795U (en) | 1987-10-01 |
JP2519355Y2 JP2519355Y2 (en) | 1996-12-04 |
Family
ID=30855929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986041174U Expired - Lifetime JP2519355Y2 (en) | 1986-03-20 | 1986-03-20 | Servo device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2519355Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9341587B2 (en) | 2010-12-20 | 2016-05-17 | Fujitsu Limited | Electric potential measuring apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60237607A (en) * | 1984-05-10 | 1985-11-26 | Mitsubishi Electric Corp | Magnetic recording and reproducing device |
-
1986
- 1986-03-20 JP JP1986041174U patent/JP2519355Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60237607A (en) * | 1984-05-10 | 1985-11-26 | Mitsubishi Electric Corp | Magnetic recording and reproducing device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9341587B2 (en) | 2010-12-20 | 2016-05-17 | Fujitsu Limited | Electric potential measuring apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP2519355Y2 (en) | 1996-12-04 |
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