IT957284B - Mirino di preferenza mirino di ap parecchio da presa con obbiettivo per generare un immagine reale di un oggetto - Google Patents
Mirino di preferenza mirino di ap parecchio da presa con obbiettivo per generare un immagine reale di un oggettoInfo
- Publication number
- IT957284B IT957284B IT9464/72A IT946472A IT957284B IT 957284 B IT957284 B IT 957284B IT 9464/72 A IT9464/72 A IT 9464/72A IT 946472 A IT946472 A IT 946472A IT 957284 B IT957284 B IT 957284B
- Authority
- IT
- Italy
- Prior art keywords
- sight
- preference
- lens
- generate
- real image
- Prior art date
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)
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 |
---|---|
IT957284B true IT957284B (it) | 1973-10-10 |
Family
ID=3553943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3724349A (it) |
AT (1) | AT310831B (it) |
DE (1) | DE2216766A1 (it) |
IT (1) | IT957284B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50123337U (it) * | 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 (it) * | 1979-11-29 | 1981-07-06 | ||
JPS5732426A (en) * | 1980-08-02 | 1982-02-22 | Konishiroku Photo Ind Co Ltd | Photometric method of camera |
EP0131342B1 (en) * | 1983-07-11 | 1991-04-24 | Koninklijke Philips Electronics N.V. | Electrophoretic camera |
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 |
EP0256051B1 (fr) * | 1986-01-20 | 1992-04-15 | Scanera S.C. | Dispositif de traitement d'image pour le controle de la fonction de transfert d'un systeme optique |
FR2593295B1 (fr) * | 1986-01-20 | 1989-05-05 | Cornuejols Georges | Controleur electronique matriciel des parametres d'exposition pour appareil de prise de vues |
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)
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 |
-
1971
- 1971-04-29 AT AT368371A patent/AT310831B/de not_active IP Right Cessation
-
1972
- 1972-04-07 DE DE19722216766 patent/DE2216766A1/de active Pending
- 1972-04-14 US US00244178A patent/US3724349A/en not_active Expired - Lifetime
- 1972-04-28 IT IT9464/72A patent/IT957284B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2216766A1 (de) | 1972-11-09 |
US3724349A (en) | 1973-04-03 |
AT310831B (de) | 1973-10-25 |
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