AT310831B - Sucher - Google Patents

Sucher

Info

Publication number
AT310831B
AT310831B AT368371A AT368371A AT310831B AT 310831 B AT310831 B AT 310831B AT 368371 A AT368371 A AT 368371A AT 368371 A AT368371 A AT 368371A AT 310831 B AT310831 B AT 310831B
Authority
AT
Austria
Prior art keywords
viewfinder
Prior art date
Application number
AT368371A
Other languages
English (en)
Inventor
Peter Revy Von Belvard Ing
Robert Scheiber Dr
Original Assignee
Eumig
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 Eumig filed Critical Eumig
Priority to AT368371A priority Critical patent/AT310831B/de
Priority to DE19722216766 priority patent/DE2216766A1/de
Priority to US00244178A priority patent/US3724349A/en
Priority to IT9464/72A priority patent/IT957284B/it
Application granted granted Critical
Publication of AT310831B publication Critical patent/AT310831B/de

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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • 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
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Viewfinders (AREA)
  • Liquid Crystal (AREA)
AT368371A 1971-04-29 1971-04-29 Sucher AT310831B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT368371A AT310831B (de) 1971-04-29 1971-04-29 Sucher
DE19722216766 DE2216766A1 (de) 1971-04-29 1972-04-07 Sucher
US00244178A US3724349A (en) 1971-04-29 1972-04-14 Viewfinder
IT9464/72A IT957284B (it) 1971-04-29 1972-04-28 Mirino di preferenza mirino di ap parecchio da presa con obbiettivo per generare un immagine reale di un oggetto

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT368371A AT310831B (de) 1971-04-29 1971-04-29 Sucher

Publications (1)

Publication Number Publication Date
AT310831B true AT310831B (de) 1973-10-25

Family

ID=3553943

Family Applications (1)

Application Number Title Priority Date Filing Date
AT368371A AT310831B (de) 1971-04-29 1971-04-29 Sucher

Country Status (4)

Country Link
US (1) US3724349A (de)
AT (1) AT310831B (de)
DE (1) DE2216766A1 (de)
IT (1) IT957284B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123337U (de) * 1974-03-23 1975-10-08
US4208115A (en) * 1975-11-03 1980-06-17 Rollei-Werke Franke & Heidecke Viewfinder system with focusing screen
FR2360953A1 (fr) * 1976-04-26 1978-03-03 Izon Corp Dispositif amplificateur de lumiere
DE2642975C2 (de) * 1976-09-24 1978-09-07 Gossen Gmbh, 8520 Erlangen Vorrichtung zur Ermittlung der die korrekte Belichtung eines Films bei der Aufnahme eines Objekts gewährleistenden Belichtungsparameterwerte
JPS5683729U (de) * 1979-11-29 1981-07-06
JPS5732426A (en) * 1980-08-02 1982-02-22 Konishiroku Photo Ind Co Ltd Photometric method of camera
DE3484487D1 (de) * 1983-07-11 1991-05-29 Philips Nv Elektrophoretische kamera.
US4571627A (en) * 1984-11-02 1986-02-18 Polaroid Corporation Electronic viewfinder
DE3506492A1 (de) * 1985-02-23 1986-08-28 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Verfahren und vorrichtung zum eingeben, sichtbarmachen und/oder registrieren eines variablen messfleckes in einen strahlengang einer kamera fuer optische geraete
FR2580827B1 (fr) * 1985-04-19 1987-05-22 Thomson Cgr Installation de radiologie
FR2593295B1 (fr) * 1986-01-20 1989-05-05 Cornuejols Georges Controleur electronique matriciel des parametres d'exposition pour appareil de prise de vues
AU6899187A (en) * 1986-01-20 1987-08-14 Georges Cornuejols Image processing device for controlling the transfer function of an optical system
FR2660447A1 (fr) * 1990-03-28 1991-10-04 Scanera Ste Civile Rech Dispositif optique de traitement non lineaire de rayonnements et d'images.
US5103254A (en) * 1990-05-29 1992-04-07 Eastman Kodak Company Camera with subject highlighting and motion detection
US5030985A (en) * 1990-08-17 1991-07-09 Eastman Kodak Company Exposure balance arrangement for an image fixing device
JPH0553175A (ja) * 1991-08-21 1993-03-05 Minolta Camera Co Ltd カメラ
JPH06202200A (ja) * 1993-01-07 1994-07-22 Minolta Camera Co Ltd カメラ
US5541705A (en) * 1994-01-12 1996-07-30 Kan; Michael Camera with large dynamic range
US5797050A (en) * 1997-02-18 1998-08-18 Smith; James Lynn Selective glare reduction ocular for scenery with very bright objects
JP4556722B2 (ja) 2004-05-31 2010-10-06 コニカミノルタホールディングス株式会社 撮像装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300645A (en) * 1963-09-16 1967-01-24 Electro Optical Systems Inc Ferroelectric image intensifier including inverse feedback means
US3629591A (en) * 1969-02-14 1971-12-21 Us Army Protective light image translating system
US3571598A (en) * 1969-12-08 1971-03-23 Mc Donnell Douglas Corp Automatic focusing means using an analog signal correlator

Also Published As

Publication number Publication date
IT957284B (it) 1973-10-10
DE2216766A1 (de) 1972-11-09
US3724349A (en) 1973-04-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee