JPS57180313U - - Google Patents

Info

Publication number
JPS57180313U
JPS57180313U JP1981068073U JP6807381U JPS57180313U JP S57180313 U JPS57180313 U JP S57180313U JP 1981068073 U JP1981068073 U JP 1981068073U JP 6807381 U JP6807381 U JP 6807381U JP S57180313 U JPS57180313 U JP S57180313U
Authority
JP
Japan
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
JP1981068073U
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
Priority to JP1981068073U priority Critical patent/JPS57180313U/ja
Priority to US06/377,569 priority patent/US4477148A/en
Publication of JPS57180313U publication Critical patent/JPS57180313U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Blocking Light For Cameras (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
JP1981068073U 1981-05-13 1981-05-13 Pending JPS57180313U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1981068073U JPS57180313U (ja) 1981-05-13 1981-05-13
US06/377,569 US4477148A (en) 1981-05-13 1982-05-12 Optical low-pass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981068073U JPS57180313U (ja) 1981-05-13 1981-05-13

Publications (1)

Publication Number Publication Date
JPS57180313U true JPS57180313U (ja) 1982-11-16

Family

ID=13363225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981068073U Pending JPS57180313U (ja) 1981-05-13 1981-05-13

Country Status (2)

Country Link
US (1) US4477148A (ja)
JP (1) JPS57180313U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010145614A (ja) * 2008-12-17 2010-07-01 Nikon Corp 光学ローパスフィルタ及びカメラ

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720637A (en) * 1986-06-19 1988-01-19 Polaroid Corporation Electro-optical imaging system and lens therefor
US4989959A (en) * 1989-06-12 1991-02-05 Polaroid Corporation Anti-aliasing optical system with pyramidal transparent structure
JPH0323415A (ja) * 1989-06-20 1991-01-31 Canon Inc 光学的ローパスフィルター
JP2800364B2 (ja) * 1990-04-27 1998-09-21 松下電器産業株式会社 光学的ローパスフィルタ
JP2921163B2 (ja) * 1991-04-08 1999-07-19 キヤノン株式会社 光学的ローパスフィルターを有した撮像装置
JPH05313098A (ja) * 1992-05-06 1993-11-26 Matsushita Electric Ind Co Ltd 光学的ローパスフィルタ
JPH0659218A (ja) * 1992-08-05 1994-03-04 Matsushita Electric Ind Co Ltd 光学的ローパスフィルタ
US5337181A (en) * 1992-08-27 1994-08-09 Kelly Shawn L Optical spatial filter
US5633623A (en) * 1995-02-21 1997-05-27 Campman; James P. Personal indicator with light emission multiplying microprism array
US5706139A (en) * 1995-10-17 1998-01-06 Kelly; Shawn L. High fidelity optical system for electronic imaging
JP3409587B2 (ja) * 1996-05-14 2003-05-26 オムロン株式会社 光路変換光学素子、画像表示装置及び光投射器
US5963377A (en) * 1997-10-02 1999-10-05 Minolta Co., Ltd. Taking optical system for video shooting
US6326998B1 (en) 1997-10-08 2001-12-04 Eastman Kodak Company Optical blur filter having a four-feature pattern
US20060170808A1 (en) * 2005-02-02 2006-08-03 Biernath Rolf W Article having a birefringent surface for use as a blur filter
US20060170797A1 (en) * 2005-02-02 2006-08-03 Biernath Rolf W Article having a birefringent surface for use as a blur filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213753A (en) * 1962-01-24 1965-10-26 Polaroid Corp Multilayer lenticular light polarizing device
US3653747A (en) * 1970-11-10 1972-04-04 Bell Telephone Labor Inc Focusing device for color television cameras
JPS4853741A (ja) * 1971-10-08 1973-07-28
JPS53119063A (en) * 1977-03-26 1978-10-18 Minolta Camera Co Ltd Optical low pass filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010145614A (ja) * 2008-12-17 2010-07-01 Nikon Corp 光学ローパスフィルタ及びカメラ

Also Published As

Publication number Publication date
US4477148A (en) 1984-10-16

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