CA939540A - Optical system for orthogonalizing image field of projection lens - Google Patents

Optical system for orthogonalizing image field of projection lens

Info

Publication number
CA939540A
CA939540A CA105,067A CA105067A CA939540A CA 939540 A CA939540 A CA 939540A CA 105067 A CA105067 A CA 105067A CA 939540 A CA939540 A CA 939540A
Authority
CA
Canada
Prior art keywords
orthogonalizing
optical system
projection lens
image field
image
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
CA105,067A
Other versions
CA105067S (en
Inventor
Edward G. Ramberg
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA939540A publication Critical patent/CA939540A/en
Expired legal-status Critical Current

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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives
    • G02B13/10—Anamorphotic objectives involving prisms
    • 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
    • G02B27/50—Optics for phase object visualisation
    • G02B27/54—Schlieren-optical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Optical Elements Other Than Lenses (AREA)
CA105,067A 1970-03-09 1971-02-10 Optical system for orthogonalizing image field of projection lens Expired CA939540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1741270A 1970-03-09 1970-03-09

Publications (1)

Publication Number Publication Date
CA939540A true CA939540A (en) 1974-01-08

Family

ID=21782446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105,067A Expired CA939540A (en) 1970-03-09 1971-02-10 Optical system for orthogonalizing image field of projection lens

Country Status (5)

Country Link
CA (1) CA939540A (en)
DE (1) DE2111176A1 (en)
FR (1) FR2081782B1 (en)
GB (1) GB1336683A (en)
NL (1) NL7103064A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435623A (en) * 1977-08-25 1979-03-15 Sony Corp Video projector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747228A (en) * 1954-04-12 1956-03-28 Kenneth Roy Coleman Improvements in or relating to anamorphotic optical systems
FR1146559A (en) * 1954-08-30 1957-11-13 Kodak Pathe New optical device
US3269258A (en) * 1964-04-09 1966-08-30 Brunswick Corp Means for correcting depth-of-field error in a projection system

Also Published As

Publication number Publication date
NL7103064A (en) 1971-09-13
FR2081782B1 (en) 1974-04-26
FR2081782A1 (en) 1971-12-10
GB1336683A (en) 1973-11-07
DE2111176A1 (en) 1971-09-23

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