JPS57158814A - Focusing detector - Google Patents

Focusing detector

Info

Publication number
JPS57158814A
JPS57158814A JP4417481A JP4417481A JPS57158814A JP S57158814 A JPS57158814 A JP S57158814A JP 4417481 A JP4417481 A JP 4417481A JP 4417481 A JP4417481 A JP 4417481A JP S57158814 A JPS57158814 A JP S57158814A
Authority
JP
Japan
Prior art keywords
signal
circuit
focusing
output
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.)
Granted
Application number
JP4417481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0377488B2 (cg-RX-API-DMAC7.html
Inventor
Asao Hayashi
Masahiro Aoki
Masatoshi Ida
Kenichi Oikami
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 Corp
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 Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP4417481A priority Critical patent/JPS57158814A/ja
Publication of JPS57158814A publication Critical patent/JPS57158814A/ja
Publication of JPH0377488B2 publication Critical patent/JPH0377488B2/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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
JP4417481A 1981-03-27 1981-03-27 Focusing detector Granted JPS57158814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4417481A JPS57158814A (en) 1981-03-27 1981-03-27 Focusing detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4417481A JPS57158814A (en) 1981-03-27 1981-03-27 Focusing detector

Publications (2)

Publication Number Publication Date
JPS57158814A true JPS57158814A (en) 1982-09-30
JPH0377488B2 JPH0377488B2 (cg-RX-API-DMAC7.html) 1991-12-10

Family

ID=12684210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4417481A Granted JPS57158814A (en) 1981-03-27 1981-03-27 Focusing detector

Country Status (1)

Country Link
JP (1) JPS57158814A (cg-RX-API-DMAC7.html)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154432A (en) * 1974-11-07 1976-05-13 Asahi Optical Co Ltd Shotenkenshutsusochi
JPS55111922A (en) * 1979-02-15 1980-08-29 Asahi Optical Co Ltd Focus detection indicator of camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154432A (en) * 1974-11-07 1976-05-13 Asahi Optical Co Ltd Shotenkenshutsusochi
JPS55111922A (en) * 1979-02-15 1980-08-29 Asahi Optical Co Ltd Focus detection indicator of camera

Also Published As

Publication number Publication date
JPH0377488B2 (cg-RX-API-DMAC7.html) 1991-12-10

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