FR2304933A1 - OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE - Google Patents

OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE

Info

Publication number
FR2304933A1
FR2304933A1 FR7508873A FR7508873A FR2304933A1 FR 2304933 A1 FR2304933 A1 FR 2304933A1 FR 7508873 A FR7508873 A FR 7508873A FR 7508873 A FR7508873 A FR 7508873A FR 2304933 A1 FR2304933 A1 FR 2304933A1
Authority
FR
France
Prior art keywords
focus
observation
transfer
image
light
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.)
Granted
Application number
FR7508873A
Other languages
French (fr)
Other versions
FR2304933B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7508873A priority Critical patent/FR2304933A1/en
Priority to SE7603105A priority patent/SE7603105L/en
Priority to GB9500/76A priority patent/GB1543616A/en
Priority to AU11944/76A priority patent/AU1194476A/en
Priority to IT12541/76A priority patent/IT1080729B/en
Priority to BR7601643A priority patent/BR7601643A/en
Priority to CS761790A priority patent/CS229904B2/en
Priority to JP51030748A priority patent/JPS51118455A/en
Priority to CH347776A priority patent/CH601813A5/xx
Priority to DE19762611971 priority patent/DE2611971A1/en
Priority to ES446247A priority patent/ES446247A1/en
Priority to NL7603001A priority patent/NL7603001A/en
Publication of FR2304933A1 publication Critical patent/FR2304933A1/en
Application granted granted Critical
Publication of FR2304933B1 publication Critical patent/FR2304933B1/fr
Granted 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • 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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/026—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and a display device, e.g. CRT, LCD, for adding markings or signs or to enhance the contrast of the viewed object
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/06—Viewfinders with lenses with or without reflectors
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lenses (AREA)
  • Projection-Type Copiers In General (AREA)
  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR7508873A 1975-03-21 1975-03-21 OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE Granted FR2304933A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR7508873A FR2304933A1 (en) 1975-03-21 1975-03-21 OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE
SE7603105A SE7603105L (en) 1975-03-21 1976-03-09 OPTICAL DEVICE FOR TRANSMISSION OF LIGHT OR OBSERVATION OF AN IMAGE
GB9500/76A GB1543616A (en) 1975-03-21 1976-03-10 Optical device for transferring light or for observing an image
AU11944/76A AU1194476A (en) 1975-03-21 1976-03-12 Optical device
BR7601643A BR7601643A (en) 1975-03-21 1976-03-18 OPTICAL DEVICE TO TRANSMIT LIGHT OR OBSERVE AN IMAGE
IT12541/76A IT1080729B (en) 1975-03-21 1976-03-18 OPTICAL DEVICE TO TRANSFER LIGHT OR TO OBSERVE AN IMAGE
CS761790A CS229904B2 (en) 1975-03-21 1976-03-19 Devices for concentration of light
JP51030748A JPS51118455A (en) 1975-03-21 1976-03-19 Optical device
CH347776A CH601813A5 (en) 1975-03-21 1976-03-19
DE19762611971 DE2611971A1 (en) 1975-03-21 1976-03-20 OPTICAL DEVICE FOR TRANSFERRING LIGHT OR VIEWING AN IMAGE
ES446247A ES446247A1 (en) 1975-03-21 1976-03-20 Optical device for transferring light or for observing an image
NL7603001A NL7603001A (en) 1975-03-21 1976-03-22 OPTICAL DEVICE FOR TRANSMITTING LIGHT OR FOR VIEWING AN IMAGE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508873A FR2304933A1 (en) 1975-03-21 1975-03-21 OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE

Publications (2)

Publication Number Publication Date
FR2304933A1 true FR2304933A1 (en) 1976-10-15
FR2304933B1 FR2304933B1 (en) 1982-01-15

Family

ID=9152892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508873A Granted FR2304933A1 (en) 1975-03-21 1975-03-21 OPTICAL DEVICE ALLOWING TO FOCUS THE LIGHT ON A DETERMINED SURFACE OR POINT, FOR THE TRANSFER OR OBSERVATION OF AN IMAGE

Country Status (12)

Country Link
JP (1) JPS51118455A (en)
AU (1) AU1194476A (en)
BR (1) BR7601643A (en)
CH (1) CH601813A5 (en)
CS (1) CS229904B2 (en)
DE (1) DE2611971A1 (en)
ES (1) ES446247A1 (en)
FR (1) FR2304933A1 (en)
GB (1) GB1543616A (en)
IT (1) IT1080729B (en)
NL (1) NL7603001A (en)
SE (1) SE7603105L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716982A1 (en) * 1994-03-05 1995-09-08 Central Research Lab Ltd Device for displaying an image

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629550A1 (en) * 1986-08-30 1988-03-03 Meteor Siegen Apparat Schmeck REPROGRAFIC CAMERA
GB9012667D0 (en) * 1990-06-07 1990-08-01 Emi Plc Thorn Apparatus for displaying an image
US5886818A (en) * 1992-12-03 1999-03-23 Dimensional Media Associates Multi-image compositing
GB2284680A (en) * 1993-12-13 1995-06-14 Central Research Lab Ltd Apparatus for displaying a suspended image
US5552934A (en) * 1994-03-18 1996-09-03 Spm Corporation Background reflection-reducing plano-beam splitter for use in real image projecting system
US6318868B1 (en) 1997-05-01 2001-11-20 Larussa Joseph A. Interactive virtual image store window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716982A1 (en) * 1994-03-05 1995-09-08 Central Research Lab Ltd Device for displaying an image

Also Published As

Publication number Publication date
SE7603105L (en) 1976-09-22
DE2611971A1 (en) 1976-09-30
BR7601643A (en) 1976-09-21
IT1080729B (en) 1985-05-16
JPS51118455A (en) 1976-10-18
FR2304933B1 (en) 1982-01-15
GB1543616A (en) 1979-04-04
CS229904B2 (en) 1984-07-16
ES446247A1 (en) 1977-06-16
CH601813A5 (en) 1978-07-14
AU1194476A (en) 1977-09-15
NL7603001A (en) 1976-09-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse