GB765446A - Transverse edge correcting system for electrical image-reproducing apparatus - Google Patents

Transverse edge correcting system for electrical image-reproducing apparatus

Info

Publication number
GB765446A
GB765446A GB25883/55A GB2588355A GB765446A GB 765446 A GB765446 A GB 765446A GB 25883/55 A GB25883/55 A GB 25883/55A GB 2588355 A GB2588355 A GB 2588355A GB 765446 A GB765446 A GB 765446A
Authority
GB
United Kingdom
Prior art keywords
signals
colour
transverse edge
channels
ortholuminous
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
GB25883/55A
Other languages
English (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.)
TI Gotham Inc
Original Assignee
Time Inc
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 US378294A external-priority patent/US2865984A/en
Application filed by Time Inc filed Critical Time Inc
Publication of GB765446A publication Critical patent/GB765446A/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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/029—Heads optically focused on only one picture element at a time
    • 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
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB25883/55A 1953-09-03 1954-09-03 Transverse edge correcting system for electrical image-reproducing apparatus Expired GB765446A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US378294A US2865984A (en) 1953-09-03 1953-09-03 Edge correcting system for visual image transference apparatus
US748629A US3029387A (en) 1953-09-03 1958-07-15 Electro-mechanical device

Publications (1)

Publication Number Publication Date
GB765446A true GB765446A (en) 1957-01-09

Family

ID=27008149

Family Applications (2)

Application Number Title Priority Date Filing Date
GB25883/55A Expired GB765446A (en) 1953-09-03 1954-09-03 Transverse edge correcting system for electrical image-reproducing apparatus
GB25679/54A Expired GB765444A (en) 1953-09-03 1954-09-03 Edge correcting system for visual image transference apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB25679/54A Expired GB765444A (en) 1953-09-03 1954-09-03 Edge correcting system for visual image transference apparatus

Country Status (3)

Country Link
US (1) US3029387A (enExample)
BE (1) BE558594A (enExample)
GB (2) GB765446A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171954A3 (en) * 1984-08-17 1987-10-14 Crosfield Electronics Limited Image enhancement
US5796873A (en) * 1990-09-14 1998-08-18 Fujifilm Electronic Imaging Ltd. Image enhancement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044248A (en) * 1972-05-03 1977-08-23 Eastman Kodak Company Method and apparatus for linearizing a mirror galvanometer
GB8814624D0 (en) * 1988-06-20 1988-07-27 Crosfield Electronics Ltd Modulating radiation beams
EP2469834B1 (en) * 2009-08-19 2021-04-21 Nec Corporation Image processing method, image processing device, and program

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127427A (en) * 1938-08-16 Permanent magnet galvanometer
US1930677A (en) * 1933-10-17 Multiple galvanometer
US1637442A (en) * 1917-10-12 1927-08-02 John Hays Hammond Jr Alternating-current selector
US1573739A (en) * 1922-10-02 1926-02-16 O'neill John Hugh Telephonic device
US1932520A (en) * 1930-02-17 1933-10-31 Massey Concrete Products Corp Method and apparatus for treatment of concrete and the like
US2059159A (en) * 1930-07-03 1936-10-27 Emi Ltd Vibratory mirror system
US2163195A (en) * 1936-10-08 1939-06-20 American Telephone & Telegraph Mechanical relay
US2454425A (en) * 1943-12-23 1948-11-23 Shure Bros Magnetic translating device
US2432424A (en) * 1944-08-21 1947-12-09 Control Instr Co Inc Electromagnetic sound translating device
DE823527C (de) * 1950-07-09 1951-12-03 Firtz Schwarzer Elektromagnetisches System, vorzugsweise fuer Registrierzwecke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171954A3 (en) * 1984-08-17 1987-10-14 Crosfield Electronics Limited Image enhancement
US5796873A (en) * 1990-09-14 1998-08-18 Fujifilm Electronic Imaging Ltd. Image enhancement

Also Published As

Publication number Publication date
US3029387A (en) 1962-04-10
BE558594A (enExample)
GB765444A (en) 1957-01-09

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