JPS5932762B2 - 焦点検出装置 - Google Patents

焦点検出装置

Info

Publication number
JPS5932762B2
JPS5932762B2 JP49018951A JP1895174A JPS5932762B2 JP S5932762 B2 JPS5932762 B2 JP S5932762B2 JP 49018951 A JP49018951 A JP 49018951A JP 1895174 A JP1895174 A JP 1895174A JP S5932762 B2 JPS5932762 B2 JP S5932762B2
Authority
JP
Japan
Prior art keywords
output
amplifier
half mirror
photoelectric elements
focus
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.)
Expired
Application number
JP49018951A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50114220A (enrdf_load_stackoverflow
Inventor
英臣 竹田
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP49018951A priority Critical patent/JPS5932762B2/ja
Priority to DE19752505204 priority patent/DE2505204B2/de
Publication of JPS50114220A publication Critical patent/JPS50114220A/ja
Publication of JPS5932762B2 publication Critical patent/JPS5932762B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Focusing (AREA)
  • Viewfinders (AREA)
  • Automatic Focus Adjustment (AREA)
JP49018951A 1974-02-16 1974-02-16 焦点検出装置 Expired JPS5932762B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49018951A JPS5932762B2 (ja) 1974-02-16 1974-02-16 焦点検出装置
DE19752505204 DE2505204B2 (de) 1974-02-16 1975-02-07 Anordnung zur erfassung der scharfeinstellung eines bildes auf einer bildebene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49018951A JPS5932762B2 (ja) 1974-02-16 1974-02-16 焦点検出装置

Publications (2)

Publication Number Publication Date
JPS50114220A JPS50114220A (enrdf_load_stackoverflow) 1975-09-08
JPS5932762B2 true JPS5932762B2 (ja) 1984-08-10

Family

ID=11985942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49018951A Expired JPS5932762B2 (ja) 1974-02-16 1974-02-16 焦点検出装置

Country Status (2)

Country Link
JP (1) JPS5932762B2 (enrdf_load_stackoverflow)
DE (1) DE2505204B2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917403B2 (ja) * 1977-09-05 1984-04-21 コニカ株式会社 自動焦点調節装置を有するカメラ
JPS5540423A (en) * 1978-09-14 1980-03-21 Nippon Kogaku Kk <Nikon> Distance information judging circuit of auto focus detector
JPS5859415A (ja) * 1981-10-06 1983-04-08 Olympus Optical Co Ltd 合焦検出方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4315256Y1 (enrdf_load_stackoverflow) * 1966-02-09 1968-06-26

Also Published As

Publication number Publication date
JPS50114220A (enrdf_load_stackoverflow) 1975-09-08
DE2505204A1 (de) 1975-09-04
DE2505204B2 (de) 1977-05-12

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