JPS52110620A - Detector for object - Google Patents

Detector for object

Info

Publication number
JPS52110620A
JPS52110620A JP2844776A JP2844776A JPS52110620A JP S52110620 A JPS52110620 A JP S52110620A JP 2844776 A JP2844776 A JP 2844776A JP 2844776 A JP2844776 A JP 2844776A JP S52110620 A JPS52110620 A JP S52110620A
Authority
JP
Japan
Prior art keywords
light
detector
transparent
enable
changing
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
JP2844776A
Other languages
Japanese (ja)
Inventor
Junichi Tsujita
Shunichi Masuda
Katsumi Nakagawa
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 JP2844776A priority Critical patent/JPS52110620A/en
Publication of JPS52110620A publication Critical patent/JPS52110620A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To enable the detection of each transparent and opaque objects in the system wherein the light source and the light receiving body are arranged via an object path by changing an incident angle onto the object in accordance with the light transmitivity and refractive index of the body.
COPYRIGHT: (C)1977,JPO&Japio
JP2844776A 1976-03-15 1976-03-15 Detector for object Pending JPS52110620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2844776A JPS52110620A (en) 1976-03-15 1976-03-15 Detector for object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2844776A JPS52110620A (en) 1976-03-15 1976-03-15 Detector for object

Publications (1)

Publication Number Publication Date
JPS52110620A true JPS52110620A (en) 1977-09-16

Family

ID=12248916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2844776A Pending JPS52110620A (en) 1976-03-15 1976-03-15 Detector for object

Country Status (1)

Country Link
JP (1) JPS52110620A (en)

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