GB1295505A - - Google Patents

Info

Publication number
GB1295505A
GB1295505A GB1295505DA GB1295505A GB 1295505 A GB1295505 A GB 1295505A GB 1295505D A GB1295505D A GB 1295505DA GB 1295505 A GB1295505 A GB 1295505A
Authority
GB
United Kingdom
Prior art keywords
contours
density
dots
levels
plotting
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
Other languages
English (en)
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 GB1295505A publication Critical patent/GB1295505A/en
Expired 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
    • G01N21/5911—Densitometers of the scanning type

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)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Image Analysis (AREA)
  • Facsimiles In General (AREA)
GB1295505D 1969-10-04 1970-09-24 Expired GB1295505A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7896769 1969-10-04

Publications (1)

Publication Number Publication Date
GB1295505A true GB1295505A (enrdf_load_stackoverflow) 1972-11-08

Family

ID=13676657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295505D Expired GB1295505A (enrdf_load_stackoverflow) 1969-10-04 1970-09-24

Country Status (3)

Country Link
US (1) US3678188A (enrdf_load_stackoverflow)
DE (1) DE2048896A1 (enrdf_load_stackoverflow)
GB (1) GB1295505A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777552A (en) * 1971-11-09 1973-12-11 Wages C Ultrasonic scanning system for in-place inspection of brazed tube joints
US3936598A (en) * 1974-02-14 1976-02-03 John Henry Newitt Electronic image density analysis
US4229764A (en) * 1978-07-03 1980-10-21 Michael Danos Visibility expander
US5753930A (en) * 1996-05-17 1998-05-19 The United States Of America As Represented By The United States Department Of Energy Device for translating negative film image to a line scan

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214515A (en) * 1958-11-24 1965-10-26 Eberline Instr Corp Image contour plotter
US3119919A (en) * 1961-01-30 1964-01-28 Daystrom Inc Apparatus for the removal of portions of deposited metal films
US3354266A (en) * 1964-05-25 1967-11-21 North American Aviation Inc Isophote converter
US3503689A (en) * 1965-10-18 1970-03-31 Technical Operations Inc Microdensitometer
US3549887A (en) * 1965-12-27 1970-12-22 Picker Corp Scintillation scanning for producing both black and white multi-color photographic records

Also Published As

Publication number Publication date
US3678188A (en) 1972-07-18
DE2048896A1 (de) 1971-04-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees