JPS5791402A - Vehicle height detector - Google Patents

Vehicle height detector

Info

Publication number
JPS5791402A
JPS5791402A JP16892680A JP16892680A JPS5791402A JP S5791402 A JPS5791402 A JP S5791402A JP 16892680 A JP16892680 A JP 16892680A JP 16892680 A JP16892680 A JP 16892680A JP S5791402 A JPS5791402 A JP S5791402A
Authority
JP
Japan
Prior art keywords
base
detector
space
shaft
case
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
JP16892680A
Other languages
Japanese (ja)
Inventor
Masataka Otsuki
Masahiro Ueda
Seiji Nonoyama
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.)
Toyota Motor Corp
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Toyota Motor Corp
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 Aisin Seiki Co Ltd, Toyota Motor Corp filed Critical Aisin Seiki Co Ltd
Priority to JP16892680A priority Critical patent/JPS5791402A/en
Publication of JPS5791402A publication Critical patent/JPS5791402A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE:To make a detector compact and to prevent the occurrence of fogging and staining in switching means by sealing prescribed positions airtightly against a detector. CONSTITUTION:A revolving shaft 20 is pivotally fitted eccentrically to a detector base 10, and switching means such as photosensors 521-523 are installed in the positions of a long distance between the shaft 20 and the case side wall. The air lead-in parts from the base 10 to the space in the case, the space between the base 10 and the shaft 20 and the space between the base 10 and the case are airtightly sealed. As a result, the occurrence of fogging and staining in the photosensors is obviated.
JP16892680A 1980-11-28 1980-11-28 Vehicle height detector Pending JPS5791402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16892680A JPS5791402A (en) 1980-11-28 1980-11-28 Vehicle height detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16892680A JPS5791402A (en) 1980-11-28 1980-11-28 Vehicle height detector

Publications (1)

Publication Number Publication Date
JPS5791402A true JPS5791402A (en) 1982-06-07

Family

ID=15877103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16892680A Pending JPS5791402A (en) 1980-11-28 1980-11-28 Vehicle height detector

Country Status (1)

Country Link
JP (1) JPS5791402A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004624C2 (en) * 1996-11-27 1998-05-28 Nedap Nv Compact incremental position determination with an absolute reference.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004624C2 (en) * 1996-11-27 1998-05-28 Nedap Nv Compact incremental position determination with an absolute reference.
WO1998023921A1 (en) * 1996-11-27 1998-06-04 N.V. Nederlandsche Apparatenfabriek Nedap Incremental encoder having absolute reference marks

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