FR2369749A1 - Lecteur de code binaire reflechi - Google Patents

Lecteur de code binaire reflechi

Info

Publication number
FR2369749A1
FR2369749A1 FR7712969A FR7712969A FR2369749A1 FR 2369749 A1 FR2369749 A1 FR 2369749A1 FR 7712969 A FR7712969 A FR 7712969A FR 7712969 A FR7712969 A FR 7712969A FR 2369749 A1 FR2369749 A1 FR 2369749A1
Authority
FR
France
Prior art keywords
binary
digits
gray
gray codes
binary digits
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.)
Withdrawn
Application number
FR7712969A
Other languages
English (en)
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.)
Yamato Scale Co Ltd
Original Assignee
Yamato Scale 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 Yamato Scale Co Ltd filed Critical Yamato Scale Co Ltd
Publication of FR2369749A1 publication Critical patent/FR2369749A1/fr
Withdrawn legal-status Critical Current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)
  • Error Detection And Correction (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Mechanical Optical Scanning Systems (AREA)

Abstract

Un lecteur de code de Gray selon cette invention comprend : une plaque de code portant des codes de Gray, des moyens de lecture du code de Gray, disposés selon une correspondance un à un avec les chiffres binaires de ces codes de Gray pour lire ces derniers, et un décodeur couplé aux sorties desdits moyens de lecture pour assurer le décodage des codes de Gray dès leur lecture. La plaque de code comporte en outre des chiffres binaires de parité et des chiffres binaires de contrôle de parité disposés côte à côte avec lesdits codes de Gray; ces chiffres binaires de contrôle de parité étant constitués de premiers chiffres binaires positionnés sur les frontières respectives des codes de Gray, et des seconds chiffres binaires occupant les parties restant libres entre ces premiers chiffres binaires.
FR7712969A 1976-10-27 1977-04-29 Lecteur de code binaire reflechi Withdrawn FR2369749A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12995676A JPS5355055A (en) 1976-10-27 1976-10-27 Gray code reader

Publications (1)

Publication Number Publication Date
FR2369749A1 true FR2369749A1 (fr) 1978-05-26

Family

ID=15022581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712969A Withdrawn FR2369749A1 (fr) 1976-10-27 1977-04-29 Lecteur de code binaire reflechi

Country Status (4)

Country Link
US (1) US4146873A (fr)
JP (1) JPS5355055A (fr)
DE (1) DE2748320C3 (fr)
FR (1) FR2369749A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938318C2 (de) * 1979-09-21 1988-05-26 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Meßeinrichtung
US4291976A (en) * 1980-03-10 1981-09-29 Sperry Corporation Digital fiber optic position sensor
US4383317A (en) * 1980-10-30 1983-05-10 Bei Electronics, Inc. Shaft angle encoder having a circuit for synthesizing a skipped track output signal
DE3125383A1 (de) * 1981-06-27 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Winkelcodierer
JPS5871726A (ja) * 1981-10-26 1983-04-28 Nec Corp アナログ−デジタル変換器
JPS59108193A (ja) * 1982-12-13 1984-06-22 株式会社日立製作所 磁気的に位置を検出する装置
JPS60107843U (ja) * 1983-12-17 1985-07-22 コニカ株式会社 位置検知装置
US4727304A (en) * 1986-11-10 1988-02-23 Ibm Corporation Phase sequencer for stepping motor
JPH067062B2 (ja) * 1987-03-24 1994-01-26 キヤノン株式会社 位置検出装置
DE3928726A1 (de) * 1989-08-30 1991-03-07 Vogt Electronic Ag Zuendsystem mit stromkontrollierter halbleiterschaltung
DE4205048C2 (de) * 1992-02-19 1995-08-03 Siemens Ag Anordnung zur Messung der Position eines linear beweglichen Körpers
DE4208918A1 (de) * 1992-03-20 1993-09-23 Siemens Ag Dreh- oder linearpositionsgebereinrichtung fuer ein bewegliches geraeteteil
JPH08261798A (ja) * 1995-03-20 1996-10-11 Yazaki Corp 針式表示装置
US5665974A (en) * 1995-11-16 1997-09-09 The Boeing Company Self-monitoring optical encoder for wavelength division multiplexing optical sensors
DE19638912A1 (de) * 1996-09-23 1998-03-26 Teves Gmbh Alfred Drehwinkelsensor mit CCD-Zeile und periodisch angesteuerter Lichtquelle
US6483104B1 (en) 1996-09-23 2002-11-19 Valeo Schalter Und Sensoren Gmbh Rotational angle sensor using a CCD line with enhanced measuring precision
US6970113B1 (en) * 2004-08-30 2005-11-29 Agilent Technologies, Inc. Method for generation of even numbered reduced gray codes
DE102009049354A1 (de) * 2009-10-14 2011-04-21 Robert Bosch Gmbh Hydromaschine
JP5948654B2 (ja) * 2012-07-17 2016-07-06 パナソニックＩｐマネジメント株式会社 位置検出装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713084A (en) * 1953-04-17 1955-07-12 Collins Radio Co Odd mark detector
US3187325A (en) * 1962-07-02 1965-06-01 Bell Telephone Labor Inc Analog-to-digital converter
US3548397A (en) * 1967-07-27 1970-12-15 United Aircraft Corp Unit-distance encoder
US3594735A (en) * 1968-08-26 1971-07-20 Exact Weight Scale Co The Data retrieval apparatus
US3947843A (en) * 1973-02-05 1976-03-30 Presentey Shelley M Arrangement for preventing ambiguity in digital displacement measuring apparatus
US3913095A (en) * 1973-07-19 1975-10-14 Pitney Bowes Inc Photodetector compensating circuit for a postage metering system
JPS5438692B2 (fr) * 1973-08-07 1979-11-22
US3938083A (en) * 1974-11-27 1976-02-10 Burroughs Corporation Parity checking a double-frequency coherent-phase data signal
US3999064A (en) * 1975-01-09 1976-12-21 The Brunton Company Angular displacement measuring apparatus with strobe means

Also Published As

Publication number Publication date
JPS5355055A (en) 1978-05-19
DE2748320B2 (de) 1978-08-10
US4146873A (en) 1979-03-27
DE2748320A1 (de) 1978-05-03
DE2748320C3 (de) 1979-03-29

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Legal Events

Date Code Title Description
ST Notification of lapse