JPS5317330A - Display means for focusing condition - Google Patents

Display means for focusing condition

Info

Publication number
JPS5317330A
JPS5317330A JP9109476A JP9109476A JPS5317330A JP S5317330 A JPS5317330 A JP S5317330A JP 9109476 A JP9109476 A JP 9109476A JP 9109476 A JP9109476 A JP 9109476A JP S5317330 A JPS5317330 A JP S5317330A
Authority
JP
Japan
Prior art keywords
focusing condition
display means
display
focusing
condition
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
JP9109476A
Other languages
Japanese (ja)
Inventor
Seiichi Matsumoto
Hideo Yokota
Mutsuhide Matsuda
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 JP9109476A priority Critical patent/JPS5317330A/en
Priority to US05/774,116 priority patent/US4142788A/en
Priority to DE2710774A priority patent/DE2710774C2/en
Publication of JPS5317330A publication Critical patent/JPS5317330A/en
Priority to US05/936,590 priority patent/US4288151A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To accurately detect a focusing condition and enable a precise discernment of its display by eletrically treating the detection of the focusing condition, and conducting the display of the focusing condition with a mechanical display means applied by the display of following needle type and a light source.
COPYRIGHT: (C)1978,JPO&Japio
JP9109476A 1976-03-12 1976-07-30 Display means for focusing condition Pending JPS5317330A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9109476A JPS5317330A (en) 1976-07-30 1976-07-30 Display means for focusing condition
US05/774,116 US4142788A (en) 1976-03-12 1977-03-03 Power source switch for use in a camera circuit to detect a focused condition
DE2710774A DE2710774C2 (en) 1976-03-12 1977-03-11 camera
US05/936,590 US4288151A (en) 1976-03-12 1978-08-23 Power source switch for use in camera circuit to detect a focused condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9109476A JPS5317330A (en) 1976-07-30 1976-07-30 Display means for focusing condition

Publications (1)

Publication Number Publication Date
JPS5317330A true JPS5317330A (en) 1978-02-17

Family

ID=14016920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9109476A Pending JPS5317330A (en) 1976-03-12 1976-07-30 Display means for focusing condition

Country Status (1)

Country Link
JP (1) JPS5317330A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734511A (en) * 1980-08-08 1982-02-24 West Electric Co Ltd Photographing lens device having focusing function
JPS5737312A (en) * 1980-08-18 1982-03-01 West Electric Co Ltd Photographic lens device having focusing function
JPS5781222A (en) * 1980-11-10 1982-05-21 West Electric Co Ltd Range finder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734511A (en) * 1980-08-08 1982-02-24 West Electric Co Ltd Photographing lens device having focusing function
JPS5737312A (en) * 1980-08-18 1982-03-01 West Electric Co Ltd Photographic lens device having focusing function
JPS5781222A (en) * 1980-11-10 1982-05-21 West Electric Co Ltd Range finder

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