GB1290709A - - Google Patents

Info

Publication number
GB1290709A
GB1290709A GB1290709DA GB1290709A GB 1290709 A GB1290709 A GB 1290709A GB 1290709D A GB1290709D A GB 1290709DA GB 1290709 A GB1290709 A GB 1290709A
Authority
GB
United Kingdom
Prior art keywords
photo
image
object lens
cells
prism
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
Other languages
English (en)
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 filed Critical
Publication of GB1290709A publication Critical patent/GB1290709A/en
Expired 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)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
GB1290709D 1968-12-25 1969-12-19 Expired GB1290709A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9449668 1968-12-25

Publications (1)

Publication Number Publication Date
GB1290709A true GB1290709A (enExample) 1972-09-27

Family

ID=14111894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290709D Expired GB1290709A (enExample) 1968-12-25 1969-12-19

Country Status (3)

Country Link
US (1) US3614921A (enExample)
GB (1) GB1290709A (enExample)
NL (1) NL6919418A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515368A1 (fr) * 1981-10-26 1983-04-29 Sony Corp Appareil de detection de distance optique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225557A1 (de) * 1971-06-23 1973-03-15 Hauser Raimund Entfernungsmesser
JPS4853717A (enExample) * 1971-11-02 1973-07-28
JPS5647533B2 (enExample) * 1973-12-14 1981-11-10
JPS5262022A (en) * 1975-11-17 1977-05-23 Bell & Howell Co Closed loop automatic focusing system
JPS53163132U (enExample) * 1977-05-28 1978-12-20
JPS5934505A (ja) * 1982-08-20 1984-02-24 Canon Inc 合焦検出装置
US4484808A (en) * 1982-11-01 1984-11-27 Polaroid Corporation Method of and apparatus for controlling scene radiation
JPS6052710A (ja) * 1983-09-01 1985-03-26 Rikagaku Kenkyusho 距離検知装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515368A1 (fr) * 1981-10-26 1983-04-29 Sony Corp Appareil de detection de distance optique

Also Published As

Publication number Publication date
NL6919418A (enExample) 1970-06-29
US3614921A (en) 1971-10-26
DE1963653B2 (de) 1975-10-02
DE1963653A1 (de) 1970-07-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee