CA944060A - Single-tube color cameras with optical spatial frequency filters - Google Patents

Single-tube color cameras with optical spatial frequency filters

Info

Publication number
CA944060A
CA944060A CA118,087A CA118087A CA944060A CA 944060 A CA944060 A CA 944060A CA 118087 A CA118087 A CA 118087A CA 944060 A CA944060 A CA 944060A
Authority
CA
Canada
Prior art keywords
spatial frequency
frequency filters
color cameras
optical spatial
tube color
Prior art date
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.)
Expired
Application number
CA118,087A
Other languages
English (en)
Other versions
CA118087S (en
Inventor
Arthur B. Larsen
Thomas P. Sosnowski
Richard L. Townsend (Jr.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA944060A publication Critical patent/CA944060A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/12—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with one sensor only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Television Image Signal Generators (AREA)
CA118,087A 1970-12-21 1971-07-13 Single-tube color cameras with optical spatial frequency filters Expired CA944060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10016370A 1970-12-21 1970-12-21

Publications (1)

Publication Number Publication Date
CA944060A true CA944060A (en) 1974-03-19

Family

ID=22278400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,087A Expired CA944060A (en) 1970-12-21 1971-07-13 Single-tube color cameras with optical spatial frequency filters

Country Status (6)

Country Link
US (1) US3681519A (de)
CA (1) CA944060A (de)
DE (1) DE2163443C3 (de)
GB (1) GB1376907A (de)
NL (1) NL7117287A (de)
SE (1) SE364845B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756695A (en) * 1970-07-14 1973-09-04 Minolta Camera Kk Optical low-pass filter
US3910683A (en) * 1970-07-28 1975-10-07 Minolta Camera Kk Optical low-pass filter
NL7111227A (de) * 1971-08-14 1973-02-16
JPS5222209B2 (de) * 1972-06-23 1977-06-16
US4004176A (en) * 1972-10-16 1977-01-18 Hitachi, Ltd. Stripe-shaped color separation filter for image pickup tube and method for manufacturing the same
US3908193A (en) * 1972-11-27 1975-09-23 Albert Macovski Color television encoding and decoding system
US4724467A (en) * 1983-04-11 1988-02-09 Xerox Corporation Light blocking stop for electro-optic line printers
US4720637A (en) * 1986-06-19 1988-01-19 Polaroid Corporation Electro-optical imaging system and lens therefor
US5142413A (en) * 1991-01-28 1992-08-25 Kelly Shawn L Optical phase-only spatial filter
US5337181A (en) * 1992-08-27 1994-08-09 Kelly Shawn L Optical spatial filter
JPH06148559A (ja) * 1992-11-13 1994-05-27 Canon Inc カラー画像読取装置
GB2341029B (en) * 1998-08-29 2002-12-31 Marconi Gec Ltd Cameras
GB0011822D0 (en) * 2000-05-17 2000-07-05 Photonic Research Systems Limi Apparatus and methods for phase-sensitive imaging
GB201104876D0 (en) * 2011-03-23 2011-05-04 Mbda Uk Ltd Optical processing method and apparatus
US10386177B1 (en) 2018-10-09 2019-08-20 Dentsply Sirona Inc. Device and method for determining surface topology and associated color

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733291A (en) * 1956-01-31 Color television camera
US2705258A (en) * 1951-08-08 1955-03-29 Lesti Arnold Color television camera
US3566013A (en) * 1968-09-18 1971-02-23 Rca Corp Optical reduction of luminance to chrominance crosstalk in color television cameras
US3588224A (en) * 1969-06-03 1971-06-28 Rca Corp Adjustable bandwidth optical filter

Also Published As

Publication number Publication date
NL7117287A (de) 1972-06-23
DE2163443B2 (de) 1980-05-22
DE2163443A1 (de) 1972-07-13
SE364845B (de) 1974-03-04
GB1376907A (en) 1974-12-11
US3681519A (en) 1972-08-01
DE2163443C3 (de) 1981-01-29

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