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JPS5757266A - System for discriminating direction - Google Patents

System for discriminating direction

Info

Publication number
JPS5757266A
JPS5757266A JP13331380A JP13331380A JPS5757266A JP S5757266 A JPS5757266 A JP S5757266A JP 13331380 A JP13331380 A JP 13331380A JP 13331380 A JP13331380 A JP 13331380A JP S5757266 A JPS5757266 A JP S5757266A
Authority
JP
Japan
Prior art keywords
signal
signals
phase
series
pulses
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
JP13331380A
Other languages
Japanese (ja)
Inventor
Masaharu Iyama
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing 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 Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP13331380A priority Critical patent/JPS5757266A/en
Publication of JPS5757266A publication Critical patent/JPS5757266A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE:To discriminate the direction simply in the discrimination of the turning direction, by identifying the phase relationship between two pulse signal series obtained in response to the turning in time series. CONSTITUTION:The two pulse signal series X and Y are obtained from optical pulse encoders which are synchronously rotated with a rotating body. The slits of the encoders are provided so that only the parts of the H states of the signals X and Y are overlapped and the output phases are shifted. From said signals, an inverted signal X', a rise up signal Y1, and a decaying signal Y2 are obtained via an inverter 3, a rise up sensor 4, and a decay sensor 5. Signals A and B are obtained via AND circuits 6a, 6b, 6d, and 6e and OR circuit 6c and 6f. In the case of the turning direction where the phase of X leads that of Y, output appear at 6a and 6b, and the pulses are obtained in the signal A. When the phase of Y leads that of X, outputs appear at 6d and 6e, and the pulses are obtained in the signal B.
JP13331380A 1980-09-25 1980-09-25 System for discriminating direction Pending JPS5757266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13331380A JPS5757266A (en) 1980-09-25 1980-09-25 System for discriminating direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13331380A JPS5757266A (en) 1980-09-25 1980-09-25 System for discriminating direction

Publications (1)

Publication Number Publication Date
JPS5757266A true JPS5757266A (en) 1982-04-06

Family

ID=15101753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13331380A Pending JPS5757266A (en) 1980-09-25 1980-09-25 System for discriminating direction

Country Status (1)

Country Link
JP (1) JPS5757266A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61503015A (en) * 1984-08-13 1986-12-25 ザ・ワールド・ヘルス・オーガニゼイシヨン Molding equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61503015A (en) * 1984-08-13 1986-12-25 ザ・ワールド・ヘルス・オーガニゼイシヨン Molding equipment

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