JPS5540964A - Rotating body with rotary direction discrimination function - Google Patents

Rotating body with rotary direction discrimination function

Info

Publication number
JPS5540964A
JPS5540964A JP11432078A JP11432078A JPS5540964A JP S5540964 A JPS5540964 A JP S5540964A JP 11432078 A JP11432078 A JP 11432078A JP 11432078 A JP11432078 A JP 11432078A JP S5540964 A JPS5540964 A JP S5540964A
Authority
JP
Japan
Prior art keywords
rotating body
photo
revolution
pulses
shield plates
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
JP11432078A
Other languages
Japanese (ja)
Inventor
Shigetaka Miura
Taiki Uchiumi
Hideki Kawasaki
Kazuaki Sakurai
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works 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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP11432078A priority Critical patent/JPS5540964A/en
Publication of JPS5540964A publication Critical patent/JPS5540964A/en
Pending legal-status Critical Current

Links

Landscapes

  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE: To enable to automatically discriminate the direction of revolution from the phase of pulse, by providing the photo coupler with the light shield rotating body having a plurality of photo shield plates so that the pulses diferent in phase can be obtained through the shielding light with the shield plates.
CONSTITUTION: The photo shield rotating body H is provided with the photo shield plates H0WH7 in ring shape with a given distance so that the disc H10 is taken as the base and they are along with the axial direction. When the knob C2 is turned clockwise, the light of the photo coupler I is shielded every incoming of the shield plates H0WH7 of the rotating body H, and pulses are outputted depending on the click position of the click set H8 provided with the rotating body H. Similarly, pulse is outputted from the photo coupler J depending on the revolution of the rotating body 8. The pulses from the photo couplers I and J are different in the phase and when the knob is turned clockwise, the conditional change of I is faster arisen than the photo coupler J. When counterclockwise, it is reversed. The operation memory section detects the pulse earlier arisen and discriminates the direction of revolution.
COPYRIGHT: (C)1980,JPO&Japio
JP11432078A 1978-09-18 1978-09-18 Rotating body with rotary direction discrimination function Pending JPS5540964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11432078A JPS5540964A (en) 1978-09-18 1978-09-18 Rotating body with rotary direction discrimination function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11432078A JPS5540964A (en) 1978-09-18 1978-09-18 Rotating body with rotary direction discrimination function

Publications (1)

Publication Number Publication Date
JPS5540964A true JPS5540964A (en) 1980-03-22

Family

ID=14634886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11432078A Pending JPS5540964A (en) 1978-09-18 1978-09-18 Rotating body with rotary direction discrimination function

Country Status (1)

Country Link
JP (1) JPS5540964A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63314709A (en) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd Transparent electricity conductive film
JP2017053720A (en) * 2015-09-09 2017-03-16 株式会社デンソー Rotation detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63314709A (en) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd Transparent electricity conductive film
JP2017053720A (en) * 2015-09-09 2017-03-16 株式会社デンソー Rotation detection device

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