JPH0631558Y2 - グレイコード検出装置 - Google Patents

グレイコード検出装置

Info

Publication number
JPH0631558Y2
JPH0631558Y2 JP1987002614U JP261487U JPH0631558Y2 JP H0631558 Y2 JPH0631558 Y2 JP H0631558Y2 JP 1987002614 U JP1987002614 U JP 1987002614U JP 261487 U JP261487 U JP 261487U JP H0631558 Y2 JPH0631558 Y2 JP H0631558Y2
Authority
JP
Japan
Prior art keywords
gray code
code pattern
pattern
patterns
reading
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.)
Expired - Lifetime
Application number
JP1987002614U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63110968U (enExample
Inventor
中嶋　　茂雄
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP1987002614U priority Critical patent/JPH0631558Y2/ja
Priority to US07/129,973 priority patent/US4897648A/en
Publication of JPS63110968U publication Critical patent/JPS63110968U/ja
Application granted granted Critical
Publication of JPH0631558Y2 publication Critical patent/JPH0631558Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03M1/285—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the unit Hamming distance type, e.g. Gray code
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP1987002614U 1987-01-12 1987-01-12 グレイコード検出装置 Expired - Lifetime JPH0631558Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987002614U JPH0631558Y2 (ja) 1987-01-12 1987-01-12 グレイコード検出装置
US07/129,973 US4897648A (en) 1987-01-12 1987-12-31 Analog-to-digital converter having a gray code board with the least significant bit pattern disposed in the center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987002614U JPH0631558Y2 (ja) 1987-01-12 1987-01-12 グレイコード検出装置

Publications (2)

Publication Number Publication Date
JPS63110968U JPS63110968U (enExample) 1988-07-16
JPH0631558Y2 true JPH0631558Y2 (ja) 1994-08-22

Family

ID=11534274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987002614U Expired - Lifetime JPH0631558Y2 (ja) 1987-01-12 1987-01-12 グレイコード検出装置

Country Status (2)

Country Link
US (1) US4897648A (enExample)
JP (1) JPH0631558Y2 (enExample)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003142A (en) * 1957-06-17 1961-10-03 Gen Precision Inc Analog to digital converter
US3500382A (en) * 1966-03-28 1970-03-10 Singer General Precision Digital comparator
GB1444851A (en) * 1973-08-07 1976-08-04 Oelsch Fernsteuergeraete Photoelectric sensor head
JPS5941014A (ja) * 1982-08-31 1984-03-07 Canon Inc コ−ド板
JPS60167819A (ja) * 1984-02-07 1985-08-31 Sony Corp 工程管理用マ−クカ−ド

Also Published As

Publication number Publication date
JPS63110968U (enExample) 1988-07-16
US4897648A (en) 1990-01-30

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