GB2094471B - Detecting film blackening - Google Patents

Detecting film blackening

Info

Publication number: GB2094471B
Authority: GB; United Kingdom
Prior art keywords: detecting film; film blackening; blackening; detecting; film
Prior art date: 1981-02-27
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

GB8205144A

Other versions

GB2094471A (en

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.)

1981-02-27

Filing date

1982-02-22

Publication date

1984-11-07

1982-02-22 Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd

1982-09-15 Publication of GB2094471A publication Critical patent/GB2094471A/en

1984-11-07 Application granted granted Critical

1984-11-07 Publication of GB2094471B publication Critical patent/GB2094471B/en

Status Expired legal-status Critical Current

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
- G01N21/86—Investigating moving sheets

Landscapes

General Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Immunology (AREA)
Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Pathology (AREA)
General Physics & Mathematics (AREA)
Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Length Measuring Devices By Optical Means (AREA)
Photographic Processing Devices Using Wet Methods (AREA)

GB8205144A 1981-02-27 1982-02-22 Detecting film blackening Expired GB2094471B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56028941A JPS57142548A (en)	1981-02-27	1981-02-27	Photographic density detector for film

Publications (2)

Publication Number	Publication Date
GB2094471A GB2094471A (en)	1982-09-15
GB2094471B true GB2094471B (en)	1984-11-07

Family

ID=12262425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8205144A Expired GB2094471B (en)	1981-02-27	1982-02-22	Detecting film blackening

Country Status (4)

Country	Link
JP (1)	JPS57142548A (en)
DE (1)	DE3204066C2 (en)
FR (1)	FR2500929B1 (en)
GB (1)	GB2094471B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59107242A (en) *	1982-12-11	1984-06-21	Dainippon Screen Mfg Co Ltd	Device for measuring blackened amount of film
US5198878A (en) *	1990-11-30	1993-03-30	International Business Machines Corporation	Substrate machining verifier
US5117119A (en) *	1991-03-13	1992-05-26	Minnesota Mining And Manufacturing Company	Auto-ranging film densitometer
JP3438624B2 (en) *	1998-12-01	2003-08-18	ウシオ電機株式会社	Lamp blackening detection method
JP7248281B2 (en) *	2018-10-02	2023-03-29	新電子株式会社	Optical transmission measuring device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3506838A (en) *	1968-02-02	1970-04-14	Cutler Hammer Inc	Photoelectric defect detector responding to inequality of residual charges on pairs of capacitors connected to pairs of photocells
GB1268905A (en) *	1968-07-19	1972-03-29	Plessey Co Ltd	Improvements in or relating to integrated circuit devices
DE1797219A1 (en) *	1968-08-30	1971-08-05	Adox Du Pont Fotowerke	Device for measuring the blackening of exposed and developed samples of photographic films
US3814846A (en) *	1972-01-20	1974-06-04	Reticon Corp	High density photodetection array
JPS563409B2 (en) *	1974-04-19	1981-01-24
JPS5528504Y2 (en) *	1976-03-12	1980-07-08
DE2641130C3 (en) *	1976-09-13	1980-05-08	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Device for determining the density of a print template
GB1519800A (en) *	1976-12-08	1978-08-02	Atomic Energy Authority Uk	Densitometers for use with radiation film dosimeters
US4197088A (en) *	1977-09-23	1980-04-08	Akro-Medic Engineering, Inc.	Method for qualitative and quantitative determination of immunological reactions

1981
- 1981-02-27 JP JP56028941A patent/JPS57142548A/en active Pending
1982
- 1982-02-06 DE DE19823204066 patent/DE3204066C2/en not_active Expired
- 1982-02-22 GB GB8205144A patent/GB2094471B/en not_active Expired
- 1982-02-25 FR FR8203140A patent/FR2500929B1/en not_active Expired

Also Published As

Publication number	Publication date
GB2094471A (en)	1982-09-15
FR2500929B1 (en)	1986-01-31
FR2500929A1 (en)	1982-09-03
JPS57142548A (en)	1982-09-03
DE3204066C2 (en)	1986-02-20
DE3204066A1 (en)	1982-09-16

Publication	Publication Date	Title
GB2110830B (en)	1985-10-02	Photographic elements
GB2124616B (en)	1986-04-16	Radiation-sensitive film
GB8302743D0 (en)	1983-03-02	Film
JPS57157136A (en)	1982-09-28	Detector
GB2100451B (en)	1985-07-03	Photographic printing
JPS57158638A (en)	1982-09-30	Photographic element
GB2107361B (en)	1985-05-30	Wrapping film
JPS57125496A (en)	1982-08-04	Condition detector
DE3264598D1 (en)	1985-08-14	Imageable film
JPS57195248A (en)	1982-11-30	Film developer
GB2094761B (en)	1984-12-12	Cassette cases
JPS57163844A (en)	1982-10-08	Detector
GB8317607D0 (en)	1983-08-03	Film
DE3264430D1 (en)	1985-08-01	Photographic contrast enhancers
JPS57196233A (en)	1982-12-02	Flat film cassette
JPS57137846A (en)	1982-08-25	Thick film gas detector
GB2094471B (en)	1984-11-07	Detecting film blackening
GB2110831B (en)	1985-08-21	Direct positive photographic elements
GB2107302B (en)	1985-05-09	Air-fireable thick film inks
JPS57165832A (en)	1982-10-13	Thin film
JPS57194683A (en)	1982-11-30	Detector
GB2096354B (en)	1984-08-30	X-ray film cassette
JPS57125140A (en)	1982-08-04	Case for wound film
GB2112144B (en)	1986-06-11	Detector
GB2108706B (en)	1985-11-20	Film processor

Legal Events

Date	Code	Title	Description
1993-10-20	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930222