SE8401611L - Filter for infallande ljus i kameror - Google Patents

Filter for infallande ljus i kameror

Info

Publication number
SE8401611L
SE8401611L SE8401611A SE8401611A SE8401611L SE 8401611 L SE8401611 L SE 8401611L SE 8401611 A SE8401611 A SE 8401611A SE 8401611 A SE8401611 A SE 8401611A SE 8401611 L SE8401611 L SE 8401611L
Authority
SE
Sweden
Prior art keywords
camera
filters
incidental light
incident light
picture
Prior art date
Application number
SE8401611A
Other languages
Unknown language ( )
English (en)
Other versions
SE450427B (sv
SE8401611D0 (sv
Inventor
George A Wallace
Original Assignee
George A Wallace
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 George A Wallace filed Critical George A Wallace
Publication of SE8401611D0 publication Critical patent/SE8401611D0/sv
Publication of SE8401611L publication Critical patent/SE8401611L/sv
Publication of SE450427B publication Critical patent/SE450427B/sv

Links

Classifications

    • 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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Blocking Light For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
SE8401611A 1983-03-24 1984-03-22 Filter for infallande ljus i kameror SE450427B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/478,534 US4473289A (en) 1983-03-24 1983-03-24 Incident light filter for cameras

Publications (3)

Publication Number Publication Date
SE8401611D0 SE8401611D0 (sv) 1984-03-22
SE8401611L true SE8401611L (sv) 1984-09-25
SE450427B SE450427B (sv) 1987-06-22

Family

ID=23900324

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8401611A SE450427B (sv) 1983-03-24 1984-03-22 Filter for infallande ljus i kameror

Country Status (7)

Country Link
US (1) US4473289A (sv)
JP (1) JPS59210329A (sv)
CA (1) CA1223470A (sv)
DE (1) DE3410837A1 (sv)
FR (1) FR2543315A1 (sv)
GB (1) GB2138153B (sv)
SE (1) SE450427B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172146A (en) * 1991-08-01 1992-12-15 Wooldridge Lloyd A Electronically controlled optical color correction system for a camera
US6147702A (en) * 1998-04-17 2000-11-14 Intel Corporation Calibration of digital cameras
EP1561338A4 (en) * 2002-10-09 2009-10-21 Diane Wallace SYSTEM AND METHOD FOR THE EFFECTIVE IMPLEMENTATION OF A WHITE BALANCING PROCEDURE FOR ELECTRONIC CAMERAS
US7701489B1 (en) * 2003-05-27 2010-04-20 Apple Inc. Method and apparatus for color correction
US7369699B1 (en) 2003-08-29 2008-05-06 Apple Inc. Methods and apparatuses for restoring color and enhancing electronic images
US20060038901A1 (en) * 2004-08-17 2006-02-23 Pictureflow, Llc. System and method for recording dynamic range of a photograph's luminance
US8462384B2 (en) * 2004-09-29 2013-06-11 Apple Inc. Methods and apparatuses for aesthetically enhanced image conversion
CN101191887A (zh) * 2006-11-27 2008-06-04 鸿富锦精密工业（深圳）有限公司 镜头模组及其组装方法
US7717630B1 (en) 2007-09-07 2010-05-18 Kevin Wan Lens cap with integral reference surface

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612817A (en) * 1948-09-02 1952-10-07 Frederick P Willcox Photoelectric exposure meter for incident light measurements
JPS5643628A (en) * 1979-09-18 1981-04-22 Olympus Optical Co Ltd Photodetecting device which eliminates asymmetric lighting of photodetector
US4381890A (en) * 1980-05-19 1983-05-03 Wallace George A Incident light filter for cameras
IT1190850B (it) * 1981-06-05 1988-02-24 Peter Kovary Procedimento per la misurazione del la luce incidente usando una fotocamera o cinecamera con fotometro interno e diffusore da applicare alle dette

Also Published As

Publication number Publication date
US4473289A (en) 1984-09-25
GB2138153B (en) 1987-02-11
SE450427B (sv) 1987-06-22
SE8401611D0 (sv) 1984-03-22
CA1223470A (en) 1987-06-30
DE3410837A1 (de) 1984-10-18
FR2543315A1 (fr) 1984-09-28
GB2138153A (en) 1984-10-17
GB8407320D0 (en) 1984-04-26
JPS59210329A (ja) 1984-11-29

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