ES8300206A1 - Metodo para regular un tiempo de exposicion en consideracionde la falta de ley de reciprocidad de un material fotosensi-tivo - Google Patents

Metodo para regular un tiempo de exposicion en consideracionde la falta de ley de reciprocidad de un material fotosensi-tivo

Info

Publication number
ES8300206A1
ES8300206A1 ES503365A ES503365A ES8300206A1 ES 8300206 A1 ES8300206 A1 ES 8300206A1 ES 503365 A ES503365 A ES 503365A ES 503365 A ES503365 A ES 503365A ES 8300206 A1 ES8300206 A1 ES 8300206A1
Authority
ES
Spain
Prior art keywords
exposure time
reciprocity law
consideration
photosensitive materials
law failure
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
ES503365A
Other languages
English (en)
Other versions
ES503365A0 (es
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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
Priority claimed from JP8644280A external-priority patent/JPS5713443A/ja
Priority claimed from JP16559980A external-priority patent/JPS5789748A/ja
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of ES8300206A1 publication Critical patent/ES8300206A1/es
Publication of ES503365A0 publication Critical patent/ES503365A0/es
Granted legal-status Critical Current

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
    • 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
    • G03B7/097—Digital circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

PROCEDIMIENTO PARA REGULAR EL TIEMPO DE EXPOSICION DE UNA FOTOGRAFIA EN MAQUINAS FOTOGRAFICAS DE PROCESO.N DE UNA. CONSISTE EN INTRODUCIR EN UNA ECUACION OPERACIONAL, QUE CORRIGE EL TIEMPO DE EXPOSICION CUANDO LA LEY DE RECIPROCIDAD DEL MATERIAL FOTOSENSITIVO ESTA VIGENTE Y QUE INCLUYE UN TERMINO DE ESCALA DE REPRODUCCION, UNO DE APERTURA DE DIAFRAGMA Y OTRO DE MAGNITUD DE DENSIDAD, UNO O VARIOS FACTORES DEPENDIENDO DE LA CORRECCION QUE SE QUIERA EFECTUAR.
ES503365A 1980-06-27 1981-06-25 Metodo para regular un tiempo de exposicion en consideracionde la falta de ley de reciprocidad de un material fotosensi-tivo Granted ES503365A0 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8644280A JPS5713443A (en) 1980-06-27 1980-06-27 Controlling method for exposure time of photoengraving camera
JP16559980A JPS5789748A (en) 1980-11-25 1980-11-25 Exposure time controlling method of picture copying device

Publications (2)

Publication Number Publication Date
ES8300206A1 true ES8300206A1 (es) 1982-10-01
ES503365A0 ES503365A0 (es) 1982-10-01

Family

ID=26427562

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503365A Granted ES503365A0 (es) 1980-06-27 1981-06-25 Metodo para regular un tiempo de exposicion en consideracionde la falta de ley de reciprocidad de un material fotosensi-tivo

Country Status (6)

Country Link
DE (1) DE3124693C2 (es)
DK (1) DK279981A (es)
ES (1) ES503365A0 (es)
FR (1) FR2485757A1 (es)
GB (1) GB2078986B (es)
IT (1) IT1171341B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756836A (en) * 1980-09-22 1982-04-05 Dainippon Screen Mfg Co Ltd Method and device for correcting anti-reciprocity law in case of color reproduction
DE3603249A1 (de) * 1986-02-03 1987-08-06 Hauck Gmbh Belichtungszeitgeber fuer photographische materialien

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046497B (de) * 1957-06-19 1958-12-11 Agfa Ag Zeitschaltvorrichtung fuer fotografische Kopiergeraete
DE1497371C3 (de) * 1965-03-10 1974-01-10 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Regelung der Belichtungszeit von Kopiergeräten
GB1311470A (en) * 1969-11-19 1973-03-28 Littlejohn Co Ltd Sidney R Photographic reproduction cameras
SE363173B (es) * 1972-05-25 1974-01-07 Misomex Ab
DE2251334C3 (de) * 1972-10-19 1980-04-10 Eskofot A/S, Ballerup (Daenemark) Reprokamera
US4168120A (en) * 1978-04-17 1979-09-18 Pako Corporation Automatic exposure corrections for photographic printer

Also Published As

Publication number Publication date
IT1171341B (it) 1987-06-10
GB2078986B (en) 1984-06-27
DE3124693C2 (de) 1987-02-19
FR2485757B1 (es) 1984-12-21
FR2485757A1 (fr) 1981-12-31
DK279981A (da) 1981-12-28
GB2078986A (en) 1982-01-13
ES503365A0 (es) 1982-10-01
IT8148784A0 (it) 1981-06-26
DE3124693A1 (de) 1982-02-25
IT8148784A1 (it) 1982-12-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203