IT1121892B - Apparecchio di messa a fuoco automatica controllato mediante sonar per macchine fotografiche - Google Patents

Apparecchio di messa a fuoco automatica controllato mediante sonar per macchine fotografiche

Info

Publication number
IT1121892B
IT1121892B IT23805/79A IT2380579A IT1121892B IT 1121892 B IT1121892 B IT 1121892B IT 23805/79 A IT23805/79 A IT 23805/79A IT 2380579 A IT2380579 A IT 2380579A IT 1121892 B IT1121892 B IT 1121892B
Authority
IT
Italy
Prior art keywords
sonar
camera
automatic focusing
focusing device
device controlled
Prior art date
Application number
IT23805/79A
Other languages
English (en)
Other versions
IT7923805A0 (it
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 IT7923805A0 publication Critical patent/IT7923805A0/it
Application granted granted Critical
Publication of IT1121892B publication Critical patent/IT1121892B/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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/04—Roll-film cameras
    • G03B19/07—Roll-film cameras having more than one objective

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
IT23805/79A 1978-06-26 1979-06-22 Apparecchio di messa a fuoco automatica controllato mediante sonar per macchine fotografiche IT1121892B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/919,084 US4167316A (en) 1978-06-26 1978-06-26 Sonar controlled lens focus apparatus

Publications (2)

Publication Number Publication Date
IT7923805A0 IT7923805A0 (it) 1979-06-22
IT1121892B true IT1121892B (it) 1986-04-23

Family

ID=25441475

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23805/79A IT1121892B (it) 1978-06-26 1979-06-22 Apparecchio di messa a fuoco automatica controllato mediante sonar per macchine fotografiche

Country Status (7)

Country Link
US (1) US4167316A (it)
JP (1) JPS5521088A (it)
CA (1) CA1131059A (it)
DE (1) DE2925586A1 (it)
FR (1) FR2430029A1 (it)
GB (1) GB2027218B (it)
IT (1) IT1121892B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113334A (en) * 1978-02-24 1979-09-04 Nippon Chemical Ind Apparatus for detecting focus point position
AT352538B (de) * 1978-02-28 1979-09-25 Eumig System zur durchfuehrung von aufnahmen mit einer laufbildkamera, stehbildkamera oder fernsehkamera
US4315676A (en) * 1978-11-13 1982-02-16 Polaroid Corporation Camera with auto ranging focusing and flash fire control
US4243309A (en) * 1979-03-05 1981-01-06 Polaroid Corporation Walking beam latch and lens disc actuator arrangement
US4240724A (en) * 1979-10-01 1980-12-23 Polaroid Corporation Zone focusing optical system
US4362372A (en) * 1980-03-03 1982-12-07 Polaroid Corporation Focusing system and method with adjustment for lens depth of focus
US4334744A (en) * 1980-05-01 1982-06-15 Polaroid Corporation Photographic apparatus having synchronized flash
US4307952A (en) * 1980-06-03 1981-12-29 Polaroid Corporation Auto focus camera with electronic lens disc pawl release arrangement
US4291965A (en) * 1980-10-06 1981-09-29 Polaroid Corporation Apparatus for automatically selecting a preselected focal position for a lens system
US4357083A (en) * 1980-10-06 1982-11-02 Polaroid Corporation Method and apparatus using weighted range signal for controlling photographic functions
US4336988A (en) * 1981-01-02 1982-06-29 Polaroid Corporation Camera with lens disc drive system
US4312582A (en) * 1981-03-03 1982-01-26 Polaroid Corporation Exposure control and focusing apparatus for use in a photographic camera
US4338011A (en) * 1981-03-03 1982-07-06 Polaroid Corporation Photographic camera apparatus
JPS57185022A (en) * 1981-05-09 1982-11-15 Canon Inc Electromagnetic driving device
US4375322A (en) * 1981-05-11 1983-03-01 Polaroid Corporation Full range variable proportional fill flash system
US4355873A (en) * 1981-06-08 1982-10-26 Polaroid Corporation Photographic control system for varying both flash fire aperture and exposure termination in correspondence with film speed
US4479207A (en) * 1982-03-19 1984-10-23 Hartman Material Handling Systems, Inc. Load detecting system for automatic storage apparatus
DE3224040A1 (de) * 1982-06-28 1983-12-29 Henkel KGaA, 4000 Düsseldorf Verfahren zum hydrothermalen aufschluss von einen hohen gehalt an gegluehten aluminiumoxiden aufweisenden chemischen abfaellen und rueckstaenden
US4444478A (en) * 1982-11-16 1984-04-24 Polaroid Corporation Hybrid camera arrangement
US4445763A (en) * 1982-12-28 1984-05-01 Polaroid Corporation Hybrid camera arrangement
JPS59144620U (ja) * 1983-03-16 1984-09-27 富士写真フイルム株式会社 簡易オ−トフオ−カスカメラ
US4527888A (en) * 1984-01-23 1985-07-09 Polaroid Corporation Exposure control system for photographic camera apparatus
US4509840A (en) * 1984-02-21 1985-04-09 Polaroid Corporation Lens drive for auto focus camera
US4557573A (en) * 1984-03-28 1985-12-10 Polaroid Corporation Photosensor arrangement for encoding lens and shutter blade position
JP3635687B2 (ja) * 1994-09-07 2005-04-06 株式会社ニコン 自動合焦装置
JP3674504B2 (ja) 2000-12-11 2005-07-20 ウシオ電機株式会社 分光反射率測定装置および分光反射率測定方法
CN101770139B (zh) * 2008-12-29 2012-08-29 鸿富锦精密工业（深圳）有限公司 对焦控制系统及方法
CN106405983A (zh) * 2016-10-10 2017-02-15 深圳市众凌汇科技有限公司 一种拍摄装置、探鱼器及拍摄方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2327859A (en) * 1941-03-28 1943-08-24 Bolsey Jacques Combined view-finding and focusing device
US3388650A (en) * 1964-12-07 1968-06-18 Leonard F. Westphalen Multifocal camera
FR1534560A (fr) * 1967-08-23 1968-07-26 Eastman Kodak Co Dispositif de réglage automatique de la mise au point de systèmes optiques
DE1300005B (de) * 1967-09-05 1969-07-24 Polaroid Corp Gekuppelter Entfernungsmesser fuer fotografische Apparate
US3720148A (en) * 1970-05-18 1973-03-13 Eastman Kodak Co Apparatus having an automatic range finder mechanism
US3736057A (en) * 1971-04-12 1973-05-29 Eastman Kodak Co Zone range finder apparatus
CA1099554A (en) * 1976-10-04 1981-04-21 Polaroid Corporation Automatic range finding and focussing camera
DE2754121C2 (de) * 1977-12-05 1985-01-17 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur automatischen Scharfeinstellung eines Kameraobjektivs
JPS6046686B2 (ja) * 1978-06-12 1985-10-17 オリンパス光学工業株式会社 自動焦点調節装置

Also Published As

Publication number Publication date
FR2430029A1 (fr) 1980-01-25
GB2027218A (en) 1980-02-13
JPS5521088A (en) 1980-02-14
DE2925586A1 (de) 1980-01-17
US4167316A (en) 1979-09-11
GB2027218B (en) 1982-08-11
CA1131059A (en) 1982-09-07
IT7923805A0 (it) 1979-06-22
FR2430029B1 (it) 1985-02-01

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