JPH0318540U - - Google Patents

Info

Publication number
JPH0318540U
JPH0318540U JP1990076633U JP7663390U JPH0318540U JP H0318540 U JPH0318540 U JP H0318540U JP 1990076633 U JP1990076633 U JP 1990076633U JP 7663390 U JP7663390 U JP 7663390U JP H0318540 U JPH0318540 U JP H0318540U
Authority
JP
Japan
Prior art keywords
optical densitometer
densitometer
amplifier
memory
storing
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.)
Pending
Application number
JP1990076633U
Other languages
Japanese (ja)
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 filed Critical
Publication of JPH0318540U publication Critical patent/JPH0318540U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4219—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Lasers (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案に基づく光学濃度計の構成例
を示すブロツク図である。第２図は、感光材料の
包装に表示されるべきバーコードの一例を示す図
である。 １ａ，１ｂ……メモリ、２……ＡＤ変換器、３
……フオトダイオード、４……増幅器、５……演
算ユニツト。
 FIG. 1 is a block diagram showing an example of the configuration of an optical densitometer based on the present invention. FIG. 2 is a diagram showing an example of a barcode to be displayed on the packaging of a photosensitive material. 1a, 1b...Memory, 2...AD converter, 3
...Photodiode, 4...Amplifier, 5...Arithmetic unit.

Claims (1)

【実用新案登録請求の範囲】 (1) フオトダイオード３と少くとも１個の増幅
器４とを有する複製濃度域を制御するために用い
る光学濃度計であつて、 増幅器４がＡＤ変換器を介して、最大濃度値を
記憶するためのメモリ１ａと、最小濃度値を記憶
するためのメモリ１ｂに接続されており、前記濃
度計をもつて画像を走査した後、前記２つの濃度
値を、フラツシユ露光比等の所望の露光パラメー
タを算出するための演算ユニツト５に伝送し得る
ようになつていることを特徴とする光学濃度計。 (2) 感光材料の包装に表示されたバーコード等
のコードを読み取り、その情報を演算ユニツト５
に伝送し得るようになつていることを特徴とする
実用新案登録請求の範囲第(1)項に記載の光学濃
度計。[Claims for Utility Model Registration] (1) An optical densitometer used for controlling a replicated concentration range, comprising a photodiode 3 and at least one amplifier 4, wherein the amplifier 4 , are connected to a memory 1a for storing the maximum density value and a memory 1b for storing the minimum density value, and after scanning the image with the densitometer, the two density values are used for flash exposure. An optical densitometer characterized in that it is capable of transmitting data to an arithmetic unit 5 for calculating desired exposure parameters such as ratios. (2) Read the barcode or other code displayed on the packaging of the photosensitive material and send the information to the calculation unit 5.
1. An optical densitometer according to claim (1) of the utility model registration, characterized in that the optical densitometer is capable of transmitting data to a computer.
JP1990076633U 1981-03-31 1990-07-20 Pending JPH0318540U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK146381A DK147954B (en) 1981-03-31 1981-03-31 METHOD AND APPARATUS TO CONTROL THE CONTRAST BY REPRODUCTION

Publications (1)

Publication Number Publication Date
JPH0318540U true JPH0318540U (en) 1991-02-22

Family

ID=8105110

Family Applications (2)

Application Number Title Priority Date Filing Date
JP5222282A Pending JPS5816238A (en) 1981-03-31 1982-03-30 Control of duplicated concentration and optical densitometer used for executing same
JP1990076633U Pending JPH0318540U (en) 1981-03-31 1990-07-20

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP5222282A Pending JPS5816238A (en) 1981-03-31 1982-03-30 Control of duplicated concentration and optical densitometer used for executing same

Country Status (5)

Country Link
JP (2) JPS5816238A (en)
DE (1) DE3211059A1 (en)
DK (1) DK147954B (en)
GB (1) GB2096336B (en)
NL (1) NL8201204A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095201B1 (en) * 1982-05-26 1986-08-27 Helioprint A/S Reproduction camera
NL8301858A (en) * 1983-05-26 1984-12-17 Oce Helioprint As REPRODUCTION CAMERA.
US4812882A (en) * 1986-10-14 1989-03-14 Ciba-Geigy Ag Contrast monitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186317B (en) * 1963-08-06 1965-01-28 Buescher & Jahn Method and device for measuring the exposure for the production of halftone and halftone films from halftone negatives or color extracts in reproduction photography
JPS5913011B2 (en) * 1974-06-21 1984-03-27 富士写真フイルム株式会社 Photographic printing exposure control method
DK153426B (en) * 1977-04-12 1988-07-11 Eskofot As PROCEDURE FOR MANAGING CONTRAST BY RASTER EPRODUCTION

Also Published As

Publication number Publication date
JPS5816238A (en) 1983-01-29
DK146381A (en) 1982-10-01
DE3211059C2 (en) 1993-01-07
NL8201204A (en) 1982-10-18
GB2096336B (en) 1986-02-12
GB2096336A (en) 1982-10-13
DK147954B (en) 1985-01-14
DE3211059A1 (en) 1982-11-11

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