GB2068193B - Focus detecting device for a camera - Google Patents

Focus detecting device for a camera

Info

Publication number
GB2068193B
GB2068193B GB8035910A GB8035910A GB2068193B GB 2068193 B GB2068193 B GB 2068193B GB 8035910 A GB8035910 A GB 8035910A GB 8035910 A GB8035910 A GB 8035910A GB 2068193 B GB2068193 B GB 2068193B
Authority
GB
United Kingdom
Prior art keywords
camera
detecting device
focus detecting
focus
detecting
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
GB8035910A
Other versions
GB2068193A (en
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.)
Seiko Koki KK
Original Assignee
Seiko Koki KK
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 Seiko Koki KK filed Critical Seiko Koki KK
Publication of GB2068193A publication Critical patent/GB2068193A/en
Application granted granted Critical
Publication of GB2068193B publication Critical patent/GB2068193B/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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/305—Systems for automatic generation of focusing signals using parallactic triangle with a base line using a scanner
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
GB8035910A 1979-11-09 1980-11-07 Focus detecting device for a camera Expired GB2068193B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14518179A JPS5669606A (en) 1979-11-09 1979-11-09 Focus detector

Publications (2)

Publication Number Publication Date
GB2068193A GB2068193A (en) 1981-08-05
GB2068193B true GB2068193B (en) 1984-02-01

Family

ID=15379292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8035910A Expired GB2068193B (en) 1979-11-09 1980-11-07 Focus detecting device for a camera

Country Status (3)

Country Link
JP (1) JPS5669606A (en)
DE (1) DE3041768A1 (en)
GB (1) GB2068193B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053909A (en) * 1983-09-03 1985-03-28 Canon Inc Automatic focusing device
SE462999B (en) * 1987-05-29 1990-09-24 Saab Missiles Ab DEVICE MAKES SELECTIVE DETECTION OF GOODS
NL8802332A (en) * 1988-09-21 1990-04-17 Lely Nv C Van Der APPARATUS FOR MILKING AN ANIMAL.
NL9001076A (en) * 1990-05-04 1991-12-02 Lely Nv C Van Der DEVICE FOR DETERMINING THE DISTANCE OF AN APPARATUS TO AN OBJECT.

Also Published As

Publication number Publication date
DE3041768A1 (en) 1981-05-27
JPS5669606A (en) 1981-06-11
GB2068193A (en) 1981-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee