AT368304B - Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative - Google Patents

Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative

Info

Publication number
AT368304B
AT368304B AT0577679A AT577679A AT368304B AT 368304 B AT368304 B AT 368304B AT 0577679 A AT0577679 A AT 0577679A AT 577679 A AT577679 A AT 577679A AT 368304 B AT368304 B AT 368304B
Authority
AT
Austria
Prior art keywords
microfilm
punch
determining
optical density
recording camera
Prior art date
Application number
AT0577679A
Other languages
English (en)
Other versions
ATA577679A (de
Original Assignee
Welp Entwicklungs Kg Dr
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 Welp Entwicklungs Kg Dr filed Critical Welp Entwicklungs Kg Dr
Priority to AT0577679A priority Critical patent/AT368304B/de
Priority to DE19803001977 priority patent/DE3001977A1/de
Priority to DE19808001396 priority patent/DE8001396U1/de
Priority to FR8018576A priority patent/FR2469738A1/fr
Priority to GB8027904A priority patent/GB2060916A/en
Publication of ATA577679A publication Critical patent/ATA577679A/de
Application granted granted Critical
Publication of AT368304B publication Critical patent/AT368304B/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/74—Positioning exposure meters in the apparatus
    • 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)
  • Projection-Type Copiers In General (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
AT0577679A 1979-08-29 1979-08-29 Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative AT368304B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT0577679A AT368304B (de) 1979-08-29 1979-08-29 Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative
DE19803001977 DE3001977A1 (de) 1979-08-29 1980-01-21 Mikrofilm-lochkartenkamera
DE19808001396 DE8001396U1 (de) 1979-08-29 1980-01-21 Mikrofilm-lochkartenkamera
FR8018576A FR2469738A1 (fr) 1979-08-29 1980-08-27 Camera pour microfilms destinee a des cartes a fenetre
GB8027904A GB2060916A (en) 1979-08-29 1980-08-28 Adjusting optical density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0577679A AT368304B (de) 1979-08-29 1979-08-29 Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative

Publications (2)

Publication Number Publication Date
ATA577679A ATA577679A (de) 1982-01-15
AT368304B true AT368304B (de) 1982-10-11

Family

ID=3579489

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0577679A AT368304B (de) 1979-08-29 1979-08-29 Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative

Country Status (2)

Country Link
AT (1) AT368304B (de)
DE (2) DE3001977A1 (de)

Also Published As

Publication number Publication date
ATA577679A (de) 1982-01-15
DE8001396U1 (de) 1980-05-14
DE3001977A1 (de) 1981-03-26

Similar Documents

Publication Publication Date Title
GB2058434B (en) Optically readable record and read apparatus therefor
ATA437581A (de) Vorrichtung zum auslesen und/oder einschreiben einer optisch auslesbaren und in spurengeordnetem informationsstruktur
DE3169089D1 (en) Method of and apparatus for reading out radiation image information
IL56546A (en) High information density laser image recording method and apparatus
ES506388A0 (es) Metodo y aparato para utilizacion en la recogida de datos sismicos marinos
DE3165540D1 (en) An image reading out and recording apparatus
DE3650489D1 (de) Strahlungsbild-Speicherplatte und Verfahren zum Bewegen dieser Platte in einem Bildspeicher- und Auslesegerät
AT378091B (de) Verfahren und vorrichtung zur genauen wiedergabe von informationen
DE2967646D1 (en) Method and apparatus for information retrieval from an optically readable storage medium
JPS5315104A (en) Method and device for optically reading information
JPS53124924A (en) Method of identifying read value in label reader
AT382487B (de) Vorrichtung zum auslesen von information
FR2385170B1 (fr) Procede et appareil d'enregistrement d'informations
JPS5377579A (en) Automatic reading method and apparatus for optical indication of cracks on surfaces of materials
IT1086357B (it) Pellicola e metodo per la registrazione di immagini
SE424235B (sv) Uppteckningsberare for information innefattande en optiskt lesbar informationsstruktur och apparat for avlesning av densamma
AT368304B (de) Mikrofilm-lochkarten-aufnahmekamera und verfahren zum ermitteln der optischen dichte der in mikrofilm-lochkarten enthaltenen negative
IT1090319B (it) Metodo ed apparato di prova di lenti
JPS52148302A (en) Image recording method and apparatus
IL53100A0 (en) Improvements in apparatus for reading out and processing information obtained by picture-scanning proceedings
AT360124B (de) Verfahren und vorrichtung zum aufzeichnen und zur optischen wiedergabe von roentgenbildern
AT358689B (de) Verfahren zur reproduktion von bildwerken
JPS56112222A (en) Method and apparatus for reading eye bottom photograph
IT1072835B (it) Apparecchiatura per registrare e o leggere nastri magnetici contenuti in cassetta
DE3587903D1 (de) Verfahren und Vorrichtung zur Aufnahme und zum Lesen von Strahlungsbildinformation.

Legal Events

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