JPS5141821B2 - - Google Patents

Info

Publication number
JPS5141821B2
JPS5141821B2 JP46090091A JP9009171A JPS5141821B2 JP S5141821 B2 JPS5141821 B2 JP S5141821B2 JP 46090091 A JP46090091 A JP 46090091A JP 9009171 A JP9009171 A JP 9009171A JP S5141821 B2 JPS5141821 B2 JP S5141821B2
Authority
JP
Japan
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.)
Expired
Application number
JP46090091A
Other versions
JPS4855759A (ja
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 filed Critical
Priority to JP46090091A priority Critical patent/JPS5141821B2/ja
Priority to US304358A priority patent/US3886542A/en
Publication of JPS4855759A publication Critical patent/JPS4855759A/ja
Publication of JPS5141821B2 publication Critical patent/JPS5141821B2/ja
Expired 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)
  • Optical Transform (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP46090091A 1971-11-11 1971-11-11 Expired JPS5141821B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP46090091A JPS5141821B2 (ja) 1971-11-11 1971-11-11
US304358A US3886542A (en) 1971-11-11 1972-11-07 Device for measuring displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46090091A JPS5141821B2 (ja) 1971-11-11 1971-11-11

Publications (2)

Publication Number Publication Date
JPS4855759A JPS4855759A (ja) 1973-08-04
JPS5141821B2 true JPS5141821B2 (ja) 1976-11-12

Family

ID=13988832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46090091A Expired JPS5141821B2 (ja) 1971-11-11 1971-11-11

Country Status (2)

Country Link
US (1) US3886542A (ja)
JP (1) JPS5141821B2 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982106A (en) * 1973-05-14 1976-09-21 Contraves Ag System for measuring the longitudinal or angular displacement of a movable component
IT1098674B (it) * 1978-08-09 1985-09-07 Alfa Romeo Spa Dispositivo elettronico per il rilievo della velocita' di un organo rotante
JPH0617764B2 (ja) * 1983-12-22 1994-03-09 東芝機械株式会社 パルス発生回路
US5289262A (en) * 1992-03-09 1994-02-22 Calcomp Inc. Photodiode transmissive media sensor for aligning media
JPH0829196A (ja) * 1994-07-18 1996-02-02 Nikon Corp 多回転アブソリュートエンコーダ
US6181423B1 (en) 1998-10-06 2001-01-30 Jorge Uriarte Linear encoder providing engagement by engraving
US20060009876A1 (en) * 2004-06-09 2006-01-12 Mcneil Dean Guidance system for a robot
US7606552B2 (en) * 2005-11-10 2009-10-20 Research In Motion Limited System and method for activating an electronic device
DE112012006115B4 (de) * 2012-01-04 2016-03-03 Tokyo Seimitsu Co.,Ltd. Kontur-und Oberflächentextur-Messinstrument und Kontur- und Oberflächentextur-Messverfahren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400489A (en) * 1942-06-19 1946-05-21 State College Of Washington Re Photoelectric counter and speed measuring device
US2857802A (en) * 1954-09-07 1958-10-28 Emi Ltd Displacement measuring device using the light pattern from optical gratings
US3037420A (en) * 1956-10-10 1962-06-05 Lindner Gmbh Herbert Positioning, adjusting or measuring device for machines
DE1238225B (de) * 1958-11-19 1967-04-06 Hensoldt & Soehne Optik Einrichtung zur selbsttaetigen Anzeige von Massstabeinstellungen an Maschinen
DE1303574B (de) * 1962-06-06 1972-04-27 Manufacture De Vilebrequins De Lorette Längenmeß vorrichtung
US3469257A (en) * 1965-12-21 1969-09-23 Ibm Automatic control apparatus
US3534261A (en) * 1967-07-21 1970-10-13 Avtron Mfg Inc Frequency difference counter employing digital subtraction of pulses

Also Published As

Publication number Publication date
JPS4855759A (ja) 1973-08-04
US3886542A (en) 1975-05-27

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