JPS5696213A - Dividing/reading circuit for sine signal - Google Patents
Dividing/reading circuit for sine signalInfo
- Publication number
- JPS5696213A JPS5696213A JP17219979A JP17219979A JPS5696213A JP S5696213 A JPS5696213 A JP S5696213A JP 17219979 A JP17219979 A JP 17219979A JP 17219979 A JP17219979 A JP 17219979A JP S5696213 A JPS5696213 A JP S5696213A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- displacement
- signals
- inputted
- 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
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
PURPOSE: To simplify a circuit configuration by providing a division circuit taking a ratio of both signals and a conversion circuit to make the output correspond to displacement on a circuit to divide sine wave signals 90° different in phase according to a positional change and read a finer displacement.
CONSTITUTION: Sine wave signals e0, e90 90° different in phase according to a positional change are inputted to an up-down counter 8 by way of zero-cross detection circuits 2, 4 and an AD converter 6, and the positional change at every 180° is counted. On the other hand, the signals e0, e90 are inputted to AD converter 10, 12, a signal obtainable through digital signal operation of eD0/eD90 is outputted to an arithmetic circuit 16 from a division circuit 14, and an inverse tangent signal to the ratio is outputted to an arithmetic circuit 18 from the circuit 16. A signal converted into a displacement at every 180° through the circuit 18 is sent to an adder 20. On the other hand, an output signal from the circuit 18 and a signal of a counter 80 through a synchronizing signal from a gate circuit 30 based on a signal from the zero-cross detection circuits are inputted to the adder 20, and a displacement according to the sum of both input signals is indicated on a display 22. A circuit configuration is simplified accordingly.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17219979A JPS5696213A (en) | 1979-12-28 | 1979-12-28 | Dividing/reading circuit for sine signal |
US06/160,534 US4346447A (en) | 1979-12-28 | 1980-06-18 | Divisional reading device for sine signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17219979A JPS5696213A (en) | 1979-12-28 | 1979-12-28 | Dividing/reading circuit for sine signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5696213A true JPS5696213A (en) | 1981-08-04 |
JPS6257930B2 JPS6257930B2 (en) | 1987-12-03 |
Family
ID=15937410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17219979A Granted JPS5696213A (en) | 1979-12-28 | 1979-12-28 | Dividing/reading circuit for sine signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5696213A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5960217A (en) * | 1982-08-27 | 1984-04-06 | シ−メンス・アクチエンゲゼルシヤフト | Evaluating device for digital incremental transmitter |
JPS6170428A (en) * | 1984-08-14 | 1986-04-11 | ザ・プラット・アンド・フィットニー・カンパニー・インコーポレーテッド | Measuring device for resolution of interferometer |
WO1989001607A1 (en) * | 1987-08-20 | 1989-02-23 | Fanuc Ltd | Apparatus for processing signals of pulse encoder |
JPS6486007A (en) * | 1987-09-29 | 1989-03-30 | Sokkisha | Interpolation of reading signal for encoder |
EP0369031A1 (en) * | 1988-05-30 | 1990-05-23 | Fanuc Ltd. | Absolute position encoder |
US5414516A (en) * | 1993-06-01 | 1995-05-09 | Nikon Corporation | Position measuring apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5418767A (en) * | 1977-07-12 | 1979-02-13 | Toshiba Corp | Digital position detector |
JPS5419773A (en) * | 1977-07-01 | 1979-02-14 | Heidenhain Gmbh Dr Johannes | Interpolation method |
-
1979
- 1979-12-28 JP JP17219979A patent/JPS5696213A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419773A (en) * | 1977-07-01 | 1979-02-14 | Heidenhain Gmbh Dr Johannes | Interpolation method |
JPS5418767A (en) * | 1977-07-12 | 1979-02-13 | Toshiba Corp | Digital position detector |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5960217A (en) * | 1982-08-27 | 1984-04-06 | シ−メンス・アクチエンゲゼルシヤフト | Evaluating device for digital incremental transmitter |
JPS6170428A (en) * | 1984-08-14 | 1986-04-11 | ザ・プラット・アンド・フィットニー・カンパニー・インコーポレーテッド | Measuring device for resolution of interferometer |
WO1989001607A1 (en) * | 1987-08-20 | 1989-02-23 | Fanuc Ltd | Apparatus for processing signals of pulse encoder |
JPS6486007A (en) * | 1987-09-29 | 1989-03-30 | Sokkisha | Interpolation of reading signal for encoder |
EP0369031A1 (en) * | 1988-05-30 | 1990-05-23 | Fanuc Ltd. | Absolute position encoder |
US5414516A (en) * | 1993-06-01 | 1995-05-09 | Nikon Corporation | Position measuring apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS6257930B2 (en) | 1987-12-03 |
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