FR871370A - Electric circuits - Google Patents

Electric circuits

Info

Publication number
FR871370A
FR871370A FR871370DA FR871370A FR 871370 A FR871370 A FR 871370A FR 871370D A FR871370D A FR 871370DA FR 871370 A FR871370 A FR 871370A
Authority
FR
France
Prior art keywords
electric circuits
circuits
electric
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
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR871370A publication Critical patent/FR871370A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
FR871370D 1938-06-25 1939-06-24 Electric circuits Expired FR871370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US215822A US2231668A (en) 1938-06-25 1938-06-25 Electric circuit

Publications (1)

Publication Number Publication Date
FR871370A true FR871370A (en) 1942-04-22

Family

ID=22804541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871370D Expired FR871370A (en) 1938-06-25 1939-06-24 Electric circuits

Country Status (3)

Country Link
US (1) US2231668A (en)
DE (1) DE732535C (en)
FR (1) FR871370A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL74843C (en) * 1941-10-31
US2434561A (en) * 1944-07-08 1948-01-13 Interchem Corp Color facsimile
US2560567A (en) * 1946-10-09 1951-07-17 Norman R Gunderson Apparatus and method for use in color reproduction
US2567240A (en) * 1947-10-29 1951-09-11 Miehle Printing Press & Mfg Color facsimile system
US2605348A (en) * 1948-03-10 1952-07-29 Time Inc Color separation negative
US2627547A (en) * 1948-04-29 1953-02-03 Rca Corp Gamma control
US2748190A (en) * 1951-09-15 1956-05-29 Eastman Kodak Co Black printers and electrooptical methods of making them
US2924648A (en) * 1954-12-13 1960-02-09 Rca Corp Color television matrix amplifier
CH341708A (en) * 1956-04-18 1959-10-15 Ag Dr Edgar Gretener Method of making a subtractive color film copy
US2918523A (en) * 1956-10-30 1959-12-22 Rca Corp Color correction system
US3147829A (en) * 1960-06-15 1964-09-08 Sealing Corp Of America Telescoping elevating support
US4763190A (en) * 1986-06-30 1988-08-09 Xerox Corporation Digital color correction circuit

Also Published As

Publication number Publication date
US2231668A (en) 1941-02-11
DE732535C (en) 1943-03-05

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