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JPS5794613A - Digital measuring device - Google Patents

Digital measuring device

Info

Publication number
JPS5794613A
JPS5794613A JP17128180A JP17128180A JPS5794613A JP S5794613 A JPS5794613 A JP S5794613A JP 17128180 A JP17128180 A JP 17128180A JP 17128180 A JP17128180 A JP 17128180A JP S5794613 A JPS5794613 A JP S5794613A
Authority
JP
Japan
Prior art keywords
signal
circuit
cosine
sine
potentiometer
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
Application number
JP17128180A
Other languages
Japanese (ja)
Inventor
Mitsuru Egawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOUKIYOU SEIMITSU KK
Tokyo Seimitsu Co Ltd
Original Assignee
TOUKIYOU SEIMITSU KK
Tokyo Seimitsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TOUKIYOU SEIMITSU KK, Tokyo Seimitsu Co Ltd filed Critical TOUKIYOU SEIMITSU KK
Priority to JP17128180A priority Critical patent/JPS5794613A/en
Publication of JPS5794613A publication Critical patent/JPS5794613A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

PURPOSE:To easily measure the dimension in a minimum digit or below, to remove a quantization error, and to improve both the measuring accuracy and the working accuracy, varying the phase of an input signal to a counter in accordance with an angle of rotation of a multithrow potentiometer. CONSTITUTION:An input sine wave signal to a terminal 1 is applied directly and through a polarity converting circuit 3 to a sine and cosine potentimoeter 5, is multiplied by a sine signal and a cosine signal, respectively, which are decided by an angle of rotation theta of a potentiometer P, and each result of multiplication is provided to a subtracting circuit 8 and an adding circuit 7, respectively. Also, an input cosine wave signal to a terminal 2 is applied directly and through a polarity converting circuit 4 to a sine and cosine potentiometer 6, is multiplied by the sine signal and the cosine signal, respectively, which are decided by the angle of rotation theta of the meter P, and each result of multiplication is provided to the circuit 8 and 7. Subsequently, each sine wave and cosine wave signal which is out-of-phase from the circuit 7 and 8 is applied to a counter 9, and a counting value is digitally displayed by a displaying circuit 10.
JP17128180A 1980-12-03 1980-12-03 Digital measuring device Pending JPS5794613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17128180A JPS5794613A (en) 1980-12-03 1980-12-03 Digital measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17128180A JPS5794613A (en) 1980-12-03 1980-12-03 Digital measuring device

Publications (1)

Publication Number Publication Date
JPS5794613A true JPS5794613A (en) 1982-06-12

Family

ID=15920410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17128180A Pending JPS5794613A (en) 1980-12-03 1980-12-03 Digital measuring device

Country Status (1)

Country Link
JP (1) JPS5794613A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59197821A (en) * 1983-04-04 1984-11-09 コンピユ−タ−・メモリ−ズ・インコ−ポレイテッド Positional coder device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59197821A (en) * 1983-04-04 1984-11-09 コンピユ−タ−・メモリ−ズ・インコ−ポレイテッド Positional coder device

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