JPS5738407A - Focal point detector - Google Patents

Focal point detector

Info

Publication number
JPS5738407A
JPS5738407A JP11446880A JP11446880A JPS5738407A JP S5738407 A JPS5738407 A JP S5738407A JP 11446880 A JP11446880 A JP 11446880A JP 11446880 A JP11446880 A JP 11446880A JP S5738407 A JPS5738407 A JP S5738407A
Authority
JP
Japan
Prior art keywords
prism
light
reflected
reflective surface
focal point
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.)
Granted
Application number
JP11446880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6333209B2 (enrdf_load_stackoverflow
Inventor
Koichi Karaki
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP11446880A priority Critical patent/JPS5738407A/ja
Publication of JPS5738407A publication Critical patent/JPS5738407A/ja
Publication of JPS6333209B2 publication Critical patent/JPS6333209B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP11446880A 1980-08-19 1980-08-19 Focal point detector Granted JPS5738407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11446880A JPS5738407A (en) 1980-08-19 1980-08-19 Focal point detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11446880A JPS5738407A (en) 1980-08-19 1980-08-19 Focal point detector

Publications (2)

Publication Number Publication Date
JPS5738407A true JPS5738407A (en) 1982-03-03
JPS6333209B2 JPS6333209B2 (enrdf_load_stackoverflow) 1988-07-04

Family

ID=14638480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11446880A Granted JPS5738407A (en) 1980-08-19 1980-08-19 Focal point detector

Country Status (1)

Country Link
JP (1) JPS5738407A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6333209B2 (enrdf_load_stackoverflow) 1988-07-04

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