JPS54109837A - Control apparatus for focus changeable lens - Google Patents

Control apparatus for focus changeable lens

Info

Publication number
JPS54109837A
JPS54109837A JP16438678A JP16438678A JPS54109837A JP S54109837 A JPS54109837 A JP S54109837A JP 16438678 A JP16438678 A JP 16438678A JP 16438678 A JP16438678 A JP 16438678A JP S54109837 A JPS54109837 A JP S54109837A
Authority
JP
Japan
Prior art keywords
control apparatus
changeable lens
focus changeable
focus
lens
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.)
Pending
Application number
JP16438678A
Other languages
English (en)
Inventor
Karuman Shienku Edouin
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of JPS54109837A publication Critical patent/JPS54109837A/ja
Pending 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
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP16438678A 1977-12-30 1978-12-29 Control apparatus for focus changeable lens Pending JPS54109837A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86585277A 1977-12-30 1977-12-30

Publications (1)

Publication Number Publication Date
JPS54109837A true JPS54109837A (en) 1979-08-28

Family

ID=25346383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16438678A Pending JPS54109837A (en) 1977-12-30 1978-12-29 Control apparatus for focus changeable lens

Country Status (9)

Country Link
JP (1) JPS54109837A (ja)
AT (1) AT377101B (ja)
AU (1) AU525816B2 (ja)
CA (1) CA1122455A (ja)
CH (1) CH637222A5 (ja)
DE (1) DE2856573A1 (ja)
FR (1) FR2413680A1 (ja)
GB (1) GB2013353B (ja)
IE (1) IE48251B1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107945A1 (de) * 1980-03-03 1981-12-24 Polaroid Corp., 02139 Cambridge, Mass. Verfahren zur scharfeinstellung fotografischer apparate und vorrichtung hierfuer
JPS59125718A (ja) * 1983-01-06 1984-07-20 Canon Inc 複写装置
JP6577153B2 (ja) * 2017-01-27 2019-09-18 富士フイルム株式会社 カメラシステム、カメラ、レンズ、アクセサリー、及び、カメラシステムのアクセサリー検出方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105288B2 (de) * 1970-02-14 1973-03-15 Kabushiki Kaisha Ricoh, Tokio Kamera mit automatischer scharfeinstellung
US3917395A (en) * 1973-06-28 1975-11-04 Honeywell Inc Control circuit for photographic apparatus
CA1099554A (en) * 1976-10-04 1981-04-21 Polaroid Corporation Automatic range finding and focussing camera

Also Published As

Publication number Publication date
GB2013353B (en) 1982-05-19
FR2413680B1 (ja) 1983-11-18
ATA1279A (de) 1984-06-15
IE48251B1 (en) 1984-11-14
DE2856573A1 (de) 1979-07-05
AU525816B2 (en) 1982-12-02
IE782563L (en) 1979-06-30
AU4306279A (en) 1979-07-05
CA1122455A (en) 1982-04-27
CH637222A5 (de) 1983-07-15
AT377101B (de) 1985-02-11
FR2413680A1 (fr) 1979-07-27
GB2013353A (en) 1979-08-08

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