NL7000948A - - Google Patents

Info

Publication number
NL7000948A
NL7000948A NL7000948A NL7000948A NL7000948A NL 7000948 A NL7000948 A NL 7000948A NL 7000948 A NL7000948 A NL 7000948A NL 7000948 A NL7000948 A NL 7000948A NL 7000948 A NL7000948 A NL 7000948A
Authority
NL
Netherlands
Application number
NL7000948A
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 filed Critical
Publication of NL7000948A publication Critical patent/NL7000948A/xx

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
NL7000948A 1969-01-23 1970-01-23 NL7000948A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB373869 1969-01-23

Publications (1)

Publication Number Publication Date
NL7000948A true NL7000948A (ja) 1970-07-27

Family

ID=9764022

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7000948A NL7000948A (ja) 1969-01-23 1970-01-23

Country Status (3)

Country Link
US (1) US3705765A (ja)
GB (1) GB1239126A (ja)
NL (1) NL7000948A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053934A (en) * 1972-12-29 1977-10-11 Kornreich Philipp G Measuring the quality of images
AT375197B (de) * 1976-10-04 1984-07-10 Polaroid Corp Photographische kamera
US4510384A (en) * 1981-08-17 1985-04-09 National Research Development Corporation Automatic focusing device with frequency weighted amplification
US9542833B2 (en) * 2009-09-10 2017-01-10 Traxxas Lp Automatic determination of radio control unit configuration parameter settings
US9808730B2 (en) 2011-10-31 2017-11-07 Traxxas Lp Multi-function electronic device-enabled transmit controller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037423A (en) * 1957-12-30 1962-06-05 Polaroid Corp Automatic focusing system
US3364815A (en) * 1965-02-19 1968-01-23 Goodyear Aerospace Corp Automatic focus system
US3560647A (en) * 1968-02-27 1971-02-02 Bell Telephone Labor Inc Automatic focusing system
US3562785A (en) * 1968-11-20 1971-02-09 Logetronics Inc Image adjusting method

Also Published As

Publication number Publication date
GB1239126A (ja) 1971-07-14
US3705765A (en) 1972-12-12

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