CA959685A - Achromatic depth-of-field correction for off-axis optical system - Google Patents

Achromatic depth-of-field correction for off-axis optical system

Info

Publication number
CA959685A
CA959685A CA106,571A CA106571A CA959685A CA 959685 A CA959685 A CA 959685A CA 106571 A CA106571 A CA 106571A CA 959685 A CA959685 A CA 959685A
Authority
CA
Canada
Prior art keywords
achromatic
depth
optical system
field correction
axis optical
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
CA106,571A
Other languages
English (en)
Other versions
CA106571S (en
Inventor
John A. Van Raalte
Walter J. Gorkiewicz
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 CA959685A publication Critical patent/CA959685A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Projection Apparatus (AREA)
CA106,571A 1970-03-09 1971-03-01 Achromatic depth-of-field correction for off-axis optical system Expired CA959685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1767170A 1970-03-09 1970-03-09

Publications (1)

Publication Number Publication Date
CA959685A true CA959685A (en) 1974-12-24

Family

ID=21783920

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106,571A Expired CA959685A (en) 1970-03-09 1971-03-01 Achromatic depth-of-field correction for off-axis optical system

Country Status (6)

Country Link
US (1) US3704936A (enExample)
CA (1) CA959685A (enExample)
DE (1) DE2111218A1 (enExample)
FR (1) FR2081781B1 (enExample)
GB (1) GB1336684A (enExample)
NL (1) NL7103063A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006237A1 (fr) * 1984-09-29 1986-10-23 Masataka Negishi Appareil de formation d'images
US4807975A (en) * 1985-04-17 1989-02-28 Masataka Negishi Image forming system having uniform illumination flux for liquid crystal image means
US5315330A (en) * 1989-12-21 1994-05-24 Sharp Kabushiki Kaisha Projection type display apparatus
JPH03192212A (ja) * 1989-12-21 1991-08-22 Sharp Corp 投影型画像表示装置
US5455709A (en) * 1993-03-23 1995-10-03 Martin Marietta Corporation Total internal reflection spatial light modulation apparatus and method of fabrication thereof
JPH07159722A (ja) * 1993-12-09 1995-06-23 Nikon Corp 投射装置
JPH07306395A (ja) * 1994-05-10 1995-11-21 Nikon Corp 投射装置
US5839808A (en) * 1994-09-28 1998-11-24 Nikon Corporation Projection optical system
US6076931A (en) * 1997-11-14 2000-06-20 Aurora Systems, Inc. De-centered lens group for use in an off-axis projector
US6480337B2 (en) * 1999-03-04 2002-11-12 Mixed Reality Systems Laboratory Inc. Image display apparatus
US6688748B2 (en) * 2001-01-12 2004-02-10 Aurora Systems, Inc. System and method for using off-axis illumination in a reflective projection system
RU2212044C1 (ru) * 2002-01-31 2003-09-10 Общество С Ограниченной Ответственностью "Инсмат Технология" Способ формирования оптического изображения в некогерентном свете
TW585255U (en) * 2002-10-09 2004-04-21 Young Optics Inc Projection optical apparatus having a wedge prism
US7204599B2 (en) * 2004-12-16 2007-04-17 Hewlett-Packard Development Company, L.P. Offset projection system
US20070097476A1 (en) * 2005-10-28 2007-05-03 Truninger Martha A Display system having a charge-controlled spatial light-modulator
KR102673819B1 (ko) * 2018-09-17 2024-06-10 삼성전자주식회사 투시형 디스플레이 장치 및 이를 포함하는 증강 현실 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR391058A (fr) * 1908-06-09 1908-10-22 Charles Dupuis Système d'éclairage des images opaques sur fond métallisé brillant, en vue de leur projection
US2338488A (en) * 1942-08-29 1944-01-04 Leo H Brown Rear-vision device
US2510846A (en) * 1945-05-23 1950-06-06 Scophony Corp Television receiving device
US2647437A (en) * 1949-05-17 1953-08-04 Instr Dev Lab Inc Picture unit for stereopticons
FR1087835A (fr) * 1953-06-15 1955-03-01 Electronique Soc Gen Dispositif pour la projection sur grand écran d'images télévisées
NL244603A (enExample) * 1959-10-22 1964-02-10
CH454296A (de) * 1967-03-17 1968-04-15 Foerderung Forschung Gmbh Einrichtung zur Verstärkung der Intensität eines optisch erzeugten Bildes

Also Published As

Publication number Publication date
NL7103063A (enExample) 1971-09-13
FR2081781B1 (enExample) 1974-04-26
GB1336684A (en) 1973-11-07
US3704936A (en) 1972-12-05
DE2111218A1 (de) 1971-09-30
FR2081781A1 (enExample) 1971-12-10

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