CA1025363A - Filtrage electronique - Google Patents

Filtrage electronique

Info

Publication number
CA1025363A
CA1025363A CA278,441A CA278441A CA1025363A CA 1025363 A CA1025363 A CA 1025363A CA 278441 A CA278441 A CA 278441A CA 1025363 A CA1025363 A CA 1025363A
Authority
CA
Canada
Prior art keywords
electronic screening
screening
electronic
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
CA278,441A
Other languages
English (en)
Inventor
Robert C. Everett
Paul A.B. Radcliffe
Alfred H. Robinson
Janusz A. Veltze
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.)
International Publishing Corp Ltd
Original Assignee
International Publishing Corp 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
Priority claimed from GB711673A external-priority patent/GB1448112A/en
Application filed by International Publishing Corp Ltd filed Critical International Publishing Corp Ltd
Priority to CA278,441A priority Critical patent/CA1025363A/fr
Application granted granted Critical
Publication of CA1025363A publication Critical patent/CA1025363A/fr
Expired legal-status Critical Current

Links

CA278,441A 1973-02-13 1977-05-16 Filtrage electronique Expired CA1025363A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA278,441A CA1025363A (fr) 1973-02-13 1977-05-16 Filtrage electronique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB711673A GB1448112A (en) 1973-02-13 1973-02-13 Electronic screening
CA192,481A CA1022080A (fr) 1973-02-13 1974-02-12 Reproduction graphique avec changement de points par rapport a la densite de l'image
CA278,441A CA1025363A (fr) 1973-02-13 1977-05-16 Filtrage electronique

Publications (1)

Publication Number Publication Date
CA1025363A true CA1025363A (fr) 1978-01-31

Family

ID=27163318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA278,441A Expired CA1025363A (fr) 1973-02-13 1977-05-16 Filtrage electronique

Country Status (1)

Country Link
CA (1) CA1025363A (fr)

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