FR2507337B1 - Dispositif de reglage automatique de densite et de contraste, ainsi que de l'exposition pour tireuse photographique - Google Patents
Dispositif de reglage automatique de densite et de contraste, ainsi que de l'exposition pour tireuse photographiqueInfo
- Publication number
- FR2507337B1 FR2507337B1 FR828209485A FR8209485A FR2507337B1 FR 2507337 B1 FR2507337 B1 FR 2507337B1 FR 828209485 A FR828209485 A FR 828209485A FR 8209485 A FR8209485 A FR 8209485A FR 2507337 B1 FR2507337 B1 FR 2507337B1
- Authority
- FR
- France
- Prior art keywords
- exposure
- well
- adjustment device
- contrast adjustment
- photographic printer
- 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
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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/725—Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Projection-Type Copiers In General (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/270,758 US4344699A (en) | 1981-06-05 | 1981-06-05 | Exposure and contrast determination by prescanning in electronic photoprinting systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2507337A1 FR2507337A1 (fr) | 1982-12-10 |
FR2507337B1 true FR2507337B1 (fr) | 1989-02-03 |
Family
ID=23032678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR828209485A Expired FR2507337B1 (fr) | 1981-06-05 | 1982-06-01 | Dispositif de reglage automatique de densite et de contraste, ainsi que de l'exposition pour tireuse photographique |
Country Status (11)
Country | Link |
---|---|
US (1) | US4344699A (fr) |
JP (1) | JPH065413B2 (fr) |
CA (1) | CA1177411A (fr) |
CH (1) | CH648419A5 (fr) |
DD (1) | DD202602A5 (fr) |
DE (1) | DE3204581A1 (fr) |
FR (1) | FR2507337B1 (fr) |
GB (1) | GB2100451B (fr) |
NL (1) | NL193036C (fr) |
SE (1) | SE447425B (fr) |
SU (1) | SU1367868A3 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394089A (en) * | 1981-09-23 | 1983-07-19 | Logetronics, Inc. | Color photoprinting with a scanning memory mask |
US4530011A (en) * | 1981-06-19 | 1985-07-16 | Loge/Dunn Instruments, Inc. | Apparatus for maintaining of a cathode ray tube image within the light acceptance range of a photographic film |
US4433345A (en) * | 1981-06-19 | 1984-02-21 | Loge/Dunn Instruments, Inc. | Video image recording methods and devices |
JPS58172654A (ja) * | 1982-04-02 | 1983-10-11 | Canon Inc | 画像記録制御装置 |
DD208874A1 (de) * | 1982-09-01 | 1984-04-11 | Lutz Papenkordt | Verfahren zur helligkeitssteuerung bei elektronischen kopiergeraeten |
US4640603A (en) * | 1982-09-24 | 1987-02-03 | Canon Kabushiki Kaisha | Copying apparatus |
DE3407064A1 (de) * | 1983-02-28 | 1984-08-30 | Canon K.K., Tokio/Tokyo | Bildreproduktionsgeraet |
JP2501782B2 (ja) * | 1983-09-16 | 1996-05-29 | 株式会社ニコン | 画像走査装置 |
US4681427A (en) * | 1985-05-06 | 1987-07-21 | Polaroid Corporation | Electronic printing method |
JPH07113961B2 (ja) * | 1985-08-05 | 1995-12-06 | キヤノン株式会社 | 信号処理装置 |
US4699504A (en) * | 1986-08-06 | 1987-10-13 | Bell & Howell Company | Control system for microimage recorders |
DE3629793C2 (de) * | 1986-09-02 | 1994-11-24 | Agfa Gevaert Ag | Verfahren zum punkt- und zeilenweisen Kopieren einer mehrfarbigen Kopiervorlage und Vorrichtung zur Durchführung dieses Verfahrens |
US4875071A (en) * | 1987-07-15 | 1989-10-17 | Fuji Photo Film Co. Ltd. | Shading correcting apparatus for photographic printer |
EP0305327A1 (fr) * | 1987-08-21 | 1989-03-01 | Ilford Ag | Méthode et dispositif pour faire des photos à partir de diapositives |
US5070358A (en) * | 1990-03-16 | 1991-12-03 | Stouffer Industries Inc. | Custom contact printer for selective visual contact printing |
JPH08271980A (ja) * | 1995-03-30 | 1996-10-18 | Minolta Co Ltd | 画像読取装置 |
DE19852302A1 (de) * | 1998-11-12 | 2000-05-25 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Bearbeiten von Werkstücken mit Hochenergiestrahlung |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034400A (en) * | 1956-09-29 | 1962-05-15 | Agfa Ag | Photographic projection printing apparatus |
DE1042374B (de) * | 1956-10-06 | 1958-10-30 | Karl August Klatte Dr | Verfahren zur Herstellung von Farbkopien |
GB856423A (en) * | 1957-09-24 | 1960-12-14 | Hunter Penrose Ltd | Improvements in or relating to photographic colour reproduction apparatus |
GB906146A (en) * | 1960-03-02 | 1962-09-19 | Ilford Ltd | Improvements in or relating to photographic printing |
US3455632A (en) * | 1965-01-13 | 1969-07-15 | Ilford Ltd | Method of classifying photographic material |
CH453878A (de) * | 1965-02-12 | 1968-03-31 | Gretag Ag | Photographisches Reproduktionsverfahren und Einrichtung zur Durchführung dieses Verfahrens |
US3677641A (en) * | 1970-08-24 | 1972-07-18 | Eastman Kodak Co | Photographic printing apparatus |
DE2408019C2 (de) * | 1974-02-20 | 1985-09-19 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zur Abtastung und Aufzeichnung von bildmäßigen Vorlagen |
JPS5913011B2 (ja) * | 1974-06-21 | 1984-03-27 | 富士写真フイルム株式会社 | 写真焼付露光量制御方法 |
JPS5119334A (en) * | 1974-08-07 | 1976-02-16 | Tajima Metaruwaaku Kk | Soshokutenjo oyobi majikiryoruubaayunitsuto |
CH596573A5 (fr) * | 1975-08-14 | 1978-03-15 | Gretag Ag | |
DE2654943C2 (de) * | 1976-12-03 | 1985-10-24 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zur Vorprüfung von zu einem Vorlagenband zusammengefaßten Kopiervorlagen |
GB1564046A (en) * | 1976-12-31 | 1980-04-02 | Xerox Corp | Exposure control system |
DE2720944A1 (de) * | 1977-05-10 | 1978-11-16 | Hell Rudolf Dr Ing Gmbh | Verfahren und einrichtung zur herstellung von bildkombinationen |
US4145709A (en) * | 1977-09-19 | 1979-03-20 | Kelly Michael J | Automatic localized micro-contrast control for photographic printing systems |
US4263001A (en) * | 1978-09-18 | 1981-04-21 | Deutsch Jeffrey T | Apparatus and method for enhancement of optical images |
JPS55116340A (en) * | 1979-02-28 | 1980-09-06 | Fuji Photo Film Co Ltd | Method and device for processing gradation of radiation picture |
US4265532A (en) * | 1979-06-21 | 1981-05-05 | Logetronics Inc. | Photo printing by intensity and velocity modulation |
DE2926313A1 (de) * | 1979-06-29 | 1981-02-05 | Agfa Gevaert Ag | Verfahren zur belichtungssteuerung eines mikrofilm-lese-kopiergeraetes sowie mikrofilm-lese-kopiergeraet zur durchfuehrung des verfahrens |
DE2944229A1 (de) * | 1979-11-02 | 1981-05-14 | Wilfried Dipl.-Ing. 7920 Heidenheim Koch | Papierbelichtungsmesser zur bestimmung von belichtungszeit und kopierumfang in einem arbeitsgang |
GB2088574B (en) * | 1980-12-03 | 1984-07-18 | Marconi Co The Ltd | Printing using a flying spot scanner |
-
1981
- 1981-06-05 US US06/270,758 patent/US4344699A/en not_active Expired - Lifetime
- 1981-12-17 CA CA000392563A patent/CA1177411A/fr not_active Expired
- 1981-12-29 NL NL8105890A patent/NL193036C/nl not_active IP Right Cessation
-
1982
- 1982-01-20 SU SU823382261A patent/SU1367868A3/ru active
- 1982-01-27 SE SE8200434A patent/SE447425B/sv not_active IP Right Cessation
- 1982-02-10 DE DE19823204581 patent/DE3204581A1/de not_active Ceased
- 1982-02-26 GB GB8205684A patent/GB2100451B/en not_active Expired
- 1982-03-01 CH CH1179/82A patent/CH648419A5/de not_active IP Right Cessation
- 1982-06-01 FR FR828209485A patent/FR2507337B1/fr not_active Expired
- 1982-06-01 DD DD82240363A patent/DD202602A5/de unknown
- 1982-06-02 JP JP57095568A patent/JPH065413B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS57211174A (en) | 1982-12-24 |
DD202602A5 (de) | 1983-09-21 |
CH648419A5 (de) | 1985-03-15 |
GB2100451A (en) | 1982-12-22 |
FR2507337A1 (fr) | 1982-12-10 |
JPH065413B2 (ja) | 1994-01-19 |
SE8200434L (sv) | 1982-12-06 |
SU1367868A3 (ru) | 1988-01-15 |
DE3204581A1 (de) | 1982-12-30 |
NL193036B (nl) | 1998-04-01 |
CA1177411A (fr) | 1984-11-06 |
SE447425B (sv) | 1986-11-10 |
NL8105890A (nl) | 1983-01-03 |
GB2100451B (en) | 1985-07-03 |
NL193036C (nl) | 1998-08-04 |
US4344699A (en) | 1982-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |