IT1110180B - Dispositivo di messa a fuoco automatica per macchine fotografiche o da ripresa - Google Patents

Dispositivo di messa a fuoco automatica per macchine fotografiche o da ripresa

Info

Publication number
IT1110180B
IT1110180B IT2794877A IT2794877A IT1110180B IT 1110180 B IT1110180 B IT 1110180B IT 2794877 A IT2794877 A IT 2794877A IT 2794877 A IT2794877 A IT 2794877A IT 1110180 B IT1110180 B IT 1110180B
Authority
IT
Italy
Prior art keywords
camera
automatic focusing
focusing device
automatic
focusing
Prior art date
Application number
IT2794877A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1110180B publication Critical patent/IT1110180B/it

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
    • G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Shutters For Cameras (AREA)
  • Lens Barrels (AREA)
IT2794877A 1976-10-04 1977-09-27 Dispositivo di messa a fuoco automatica per macchine fotografiche o da ripresa IT1110180B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72928976A 1976-10-04 1976-10-04

Publications (1)

Publication Number Publication Date
IT1110180B true IT1110180B (it) 1985-12-23

Family

ID=24930378

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2794877A IT1110180B (it) 1976-10-04 1977-09-27 Dispositivo di messa a fuoco automatica per macchine fotografiche o da ripresa

Country Status (9)

Country Link
JP (2) JPS5348523A (it)
AT (1) AT368638B (it)
AU (1) AU511120B2 (it)
CA (1) CA1099554A (it)
CH (2) CH627285A5 (it)
DE (1) DE2744093C3 (it)
FR (1) FR2366593A1 (it)
GB (2) GB1591340A (it)
IT (1) IT1110180B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359419A (en) * 1976-11-10 1978-05-29 Mamiya Camera Automatic focusing device for camera
GB2013353B (en) * 1977-12-30 1982-05-19 Polaroid Corp Focus control system for variable focus lenses
US4149792A (en) * 1977-12-30 1979-04-17 Polaroid Corporation Misfocus prevention means for cameras having unidirectional automatic focusing
DE2801251A1 (de) * 1978-01-12 1979-07-19 Agfa Gevaert Ag Vorrichtung zur scharfeinstellung des objektivs einer fotografischen oder kinematografischen kamera
US4182563A (en) * 1978-04-20 1980-01-08 Polaroid Corporation Focus control system for interchangeable adjustable focus lenses
GB2019590B (en) * 1978-04-25 1982-07-28 Polaroid Corp Camera adapted for automatic and manual focusing
GB2020051B (en) * 1978-04-25 1982-06-30 Polaroid Corp Cameras with rangefinders
US4167316A (en) * 1978-06-26 1979-09-11 Polaroid Corporation Sonar controlled lens focus apparatus
US4178087A (en) * 1978-10-02 1979-12-11 Polaroid Corporation Autofocus movie camera having focus correction means
US4238143A (en) * 1979-01-02 1980-12-09 Polaroid Corporation Autofocus movie camera having pulsed terminal drive means
US4239354A (en) * 1979-01-02 1980-12-16 Polaroid Corporation Autofocus movie camera having improved focus response
JPS55115023A (en) * 1979-02-28 1980-09-04 Canon Inc Distance detector and focus control system utilizing this
JPS5642472A (en) * 1979-09-13 1981-04-20 Matsushita Electric Ind Co Ltd Automatic focusing unit of television camera
US4307952A (en) * 1980-06-03 1981-12-29 Polaroid Corporation Auto focus camera with electronic lens disc pawl release arrangement
US5099263A (en) * 1984-11-10 1992-03-24 Minolta Camera Kabushiki Kaisha Variable focal length camera
JPS63183267A (ja) * 1987-01-21 1988-07-28 Mazda Motor Corp 渦流室式デイ−ゼルエンジン
US5130216A (en) * 1988-09-22 1992-07-14 Canon Kabushiki Kaisha Photosensitive member for electrophotography
JP2567086B2 (ja) * 1989-03-15 1996-12-25 キヤノン株式会社 電子写真感光体
US5419993A (en) * 1991-11-01 1995-05-30 Canon Kabushiki Kaisha Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member
JPH0654490A (ja) * 1992-07-17 1994-02-25 Namiki Precision Jewel Co Ltd スロットレス電機子の巻線方法
DE60011170T2 (de) * 1999-03-19 2005-07-14 Canon K.K. Elektrophotographisches fotoempfindliches Element, Prozesskartusche und elektrophotographischer Apparat
EP2182898B1 (en) 2007-08-21 2018-10-03 Zeltiq Aesthetics, Inc. Monitoring the cooling of subcutaneous lipid-rich cells, such as the cooling of adipose tissue

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945023A (en) * 1974-03-29 1976-03-16 Honeywell Inc. Auto-focus camera with solid state range finder

Also Published As

Publication number Publication date
DE2744093C3 (de) 1980-06-26
AU2828677A (en) 1979-03-01
DE2744093A1 (de) 1978-04-06
JPS6261933B2 (it) 1987-12-24
AT368638B (de) 1982-10-25
FR2366593A1 (fr) 1978-04-28
DE2744093B2 (de) 1979-10-04
JPS5348523A (en) 1978-05-02
ATA706377A (de) 1982-02-15
CH627285A5 (en) 1981-12-31
AU511120B2 (en) 1980-07-31
CH646798A5 (en) 1984-12-14
JPS6155099B2 (it) 1986-11-26
GB1591340A (en) 1981-06-17
CA1099554A (en) 1981-04-21
GB1591338A (en) 1981-06-17
JPS58193528A (ja) 1983-11-11
FR2366593B1 (it) 1982-12-03

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