JPS56118603A - Inspection method for film negative - Google Patents

Inspection method for film negative

Info

Publication number
JPS56118603A
JPS56118603A JP2115180A JP2115180A JPS56118603A JP S56118603 A JPS56118603 A JP S56118603A JP 2115180 A JP2115180 A JP 2115180A JP 2115180 A JP2115180 A JP 2115180A JP S56118603 A JPS56118603 A JP S56118603A
Authority
JP
Japan
Prior art keywords
negative
reprint
portions
film
reinverted
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
JP2115180A
Other languages
Japanese (ja)
Inventor
Kazu Yajima
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.)
Toppan Inc
Original Assignee
Toppan Printing 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
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP2115180A priority Critical patent/JPS56118603A/en
Publication of JPS56118603A publication Critical patent/JPS56118603A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8803—Visual inspection

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)

Abstract

PURPOSE:To readily and accurately inspect the different portions between a film negative and its reinverted nagative by a method wherein the film negative and the reinverted negative are irradiated by light sources of colors which are complementary to each other, and the pictures of both the negatives are superposed one upon another. CONSTITUTION:Negative fitting portions 5a are provided on two side surfaces of a frame 3 respectively and fitted with filters 2 and 2' of colors comlementary to each other over a film negative 5 and the negative 5' for reprint respectively. The light form a diffused light source 1 is passed through the negative 5 and a half permeable mirror 4 and made incident on a visual point 6. On the other hand, the light from a diffused light source 1 permeates through the negative 5' for reprint, is reflected by the half permeable mirror 4 and made incident on the visula point 6. Accordingly, the optical imags of the negative 5 and the negative 5' for reprint are superposed one upon another, and it is possible to adjust the image so that the portions agreeing with each other are white while the portions not agreeing with each other are colored. Therefore, the negative 5 and the negative 5' for reprint can be readily and accurately inspected.
JP2115180A 1980-02-22 1980-02-22 Inspection method for film negative Pending JPS56118603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2115180A JPS56118603A (en) 1980-02-22 1980-02-22 Inspection method for film negative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2115180A JPS56118603A (en) 1980-02-22 1980-02-22 Inspection method for film negative

Publications (1)

Publication Number Publication Date
JPS56118603A true JPS56118603A (en) 1981-09-17

Family

ID=12046902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2115180A Pending JPS56118603A (en) 1980-02-22 1980-02-22 Inspection method for film negative

Country Status (1)

Country Link
JP (1) JPS56118603A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108630A (en) * 1999-10-12 2001-04-20 Sumitomo Chem Co Ltd Method for inspecting optical transparent film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108630A (en) * 1999-10-12 2001-04-20 Sumitomo Chem Co Ltd Method for inspecting optical transparent film

Similar Documents

Publication Publication Date Title
JPS5762052A (en) Original plate to be projected for use in transmission
EP0099757A3 (en) Diaphanoscopy apparatus
EP0111660A3 (en) Photometric printing apparatus
JPS53144339A (en) Light transmitting particles for color image formation
JPS539523A (en) Camera with light source light recording device
JPS56118603A (en) Inspection method for film negative
SE8105395L (en) SET AND EQUIPMENT FOR FERG BALANCED ENTRY BY ADDITIVE FERG PHOTOS SYSTEM
EP0161745A3 (en) Photographic contrast masking with a photochromic body
US2605181A (en) Method of incorporating lettering in printed color reproductions
JPS57191638A (en) Scanning and reading method of plane colored picture
JPS6437163A (en) Apparatus for scanning every line of object to be copied
US3615425A (en) Method of making a color photographic print from a color transparency or the like
GB1373649A (en) Luminance distribution photometers
JPS55132077A (en) Manufacture of color solid image pickup element plate
JPS56129845A (en) Inspecting method for color filter
JPS64545A (en) Method for exposing color photographic sensitive material, filter and exposure apparatus usable for said method
JPS538012A (en) Facsimile trnsmission unit
JPS53115247A (en) Light intensity modulating and optical path changing device using prisms
JPS52104942A (en) Fiber, laser, plate device
GB1183973A (en) Photo-Copying Machine and Method
US1955804A (en) Process for bichromatic recording and projection of images in natural colors
JPS57171328A (en) Inspecting system of background density for microfilm
JPS56153352A (en) Optical device of copying machine
JPS5720727A (en) Illumination apparatus for scanning
JPS572522A (en) Defect inspecting device for regular pattern