BE558064A - - Google Patents

Info

Publication number
BE558064A
BE558064A BE558064DA BE558064A BE 558064 A BE558064 A BE 558064A BE 558064D A BE558064D A BE 558064DA BE 558064 A BE558064 A BE 558064A
Authority
BE
Belgium
Application number
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.)
Publication of BE558064A publication Critical patent/BE558064A/xx

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
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • 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
    • H04N1/46—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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/257—Picture signal generators using flying-spot scanners

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Color Electrophotography (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE558064D 1951-10-18 BE558064A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251898A US2873312A (en) 1951-10-18 1951-10-18 Modulator with photoelectric signal source and compressor for facsimile

Publications (1)

Publication Number Publication Date
BE558064A true BE558064A (it)

Family

ID=22953860

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558064D BE558064A (it) 1951-10-18

Country Status (3)

Country Link
US (1) US2873312A (it)
BE (1) BE558064A (it)
GB (2) GB765445A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014983A (en) * 1955-06-14 1961-12-26 Time Inc Means for modifying signal of facsimile reproduction system
US2964644A (en) * 1957-11-14 1960-12-13 Hunting Survey Corp Ltd Method and apparatus for locating corresponding areas of two similar images
DE1053311B (de) * 1958-02-11 1959-03-19 Hell Rudolf Dr Ing Fa Verfahren und Vorrichtung zur elektronischen Farbkorrektur
DE1049234B (de) * 1958-04-21 1959-01-22 Hell Rudolf Dr Ing Fa Reproduktionstechnisches Verfahren und reproduktionstechnische Vorrichtung zur Umrechnung eines korrigierten Dreifarbenauszuges in einen korrigierten Vierfarbenauszug
US2997660A (en) * 1958-04-23 1961-08-22 Epsco Inc D. c. amplifier with fixed output polarity
US3098895A (en) * 1958-12-02 1963-07-23 Hazeltine Research Inc Electronic previewer for televised color pictures
GB912553A (en) * 1960-02-03 1962-12-12 Crosfield Electronics Ltd Improvements in or relating to colour reproduction
US3050691A (en) * 1960-11-04 1962-08-21 Lockheed Aircraft Corp Magnetron preamplifier
NL280623A (it) * 1961-07-06
US3087328A (en) * 1962-02-19 1963-04-30 Ling Temco Vought Inc Multiplane electromechanical control system
GB1214153A (en) * 1967-07-31 1970-12-02 Nat Res Dev Apparatus for analysing signals comprising excursions from a nominally constant background level
US3702447A (en) * 1968-07-01 1972-11-07 Xerox Corp Electronic chopper system for use in facsimile communication comprising means for alternately grounding and ungrounding inputs of amplifier
US7897050B2 (en) * 2007-04-12 2011-03-01 Accudyne Systems, Inc. Dense gas means for extraction of a solute from solids

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2172730A (en) * 1939-09-12 Thermionic valve circuit
US1537941A (en) * 1920-08-17 1925-05-19 Western Electric Co Wave transmission
US1988472A (en) * 1931-11-20 1935-01-22 Rca Corp Signaling system
US2036286A (en) * 1932-06-29 1936-04-07 Westinghouse Electric & Mfg Co Light control device
US2095717A (en) * 1934-05-26 1937-10-12 Rca Corp Light modulation system
GB455555A (en) * 1935-04-17 1936-10-19 John Edgar Keyston Improvements in and relating to cathode ray tube circuit arrangements for television and like purposes
US2149231A (en) * 1935-08-31 1939-02-28 Rca Corp Frequency changer system for multiple range receivers
US2187782A (en) * 1935-10-15 1940-01-23 Emi Ltd Thermionic tube modulator
US2292919A (en) * 1938-10-07 1942-08-11 Rca Corp Amplifying apparatus
GB528179A (en) * 1939-03-22 1940-10-24 William Spencer Percival Improvements in or relating to thermionic valve amplifiers
US2298466A (en) * 1940-07-18 1942-10-13 Times Telephoto Equipment Inc Electro-optical system and apparatus
US2278030A (en) * 1940-07-19 1942-03-31 Zenith Radio Corp Radio receiving apparatus
US2460109A (en) * 1941-03-25 1949-01-25 Bell Telephone Labor Inc Electrical translating device
US2307505A (en) * 1941-07-24 1943-01-05 Heinmets Ferdinand System of communication
US2415051A (en) * 1941-11-19 1947-01-28 Nea Service Inc Method and apparatus for making color separation negatives
US2413706A (en) * 1942-01-09 1947-01-07 Norman R Gunderson Apparatus for reproduction of pictorial representations
US2331770A (en) * 1942-03-31 1943-10-12 Press Ass Inc Electrical compensation for tone distortion in electromechanical engraving
US2359504A (en) * 1943-08-10 1944-10-03 Robert S Baldwin High frequency selective system and method
US2513485A (en) * 1943-10-04 1950-07-04 Automatic Elect Lab Multiband superheterodyne radio receiver
US2429755A (en) * 1944-10-14 1947-10-28 Farnsworth Television & Radio Video signal modulator
US2459698A (en) * 1944-11-20 1949-01-18 Farnsworth Res Corp Modulation system
US2532793A (en) * 1944-12-30 1950-12-05 Rca Corp Reflex amplification utilizing camera tube
US2489272A (en) * 1945-04-09 1949-11-29 Howard L Daniels Stabilized high gain amplifier
US2516272A (en) * 1945-12-07 1950-07-25 Philco Corp Frequency conversion system
US2453905A (en) * 1946-03-15 1948-11-16 Times Facsimile Corp Facsimile recorder control circuit
US2491244A (en) * 1946-04-27 1949-12-13 Harry W Becker Signal receiving and transmitting apparatus
FR960860A (it) * 1947-02-12 1950-04-27
US2552588A (en) * 1947-04-26 1951-05-15 Columbia Broadeasting System I Gamma control circuit
US2538488A (en) * 1947-04-29 1951-01-16 Volkers & Schaffer Inc Self-focusing direct-coupled amplifier
US2456026A (en) * 1947-06-14 1948-12-14 Rca Corp Modulator employing trigger circuit
US2559515A (en) * 1947-07-01 1951-07-03 Gen Precision Lab Inc High-fidelity amplifier
US2548901A (en) * 1947-07-23 1951-04-17 Time Inc Cathode compensated electronic tube circuit
FR985315A (fr) * 1949-04-29 1951-07-17 Dispositif collecteur d'ondes et de couplage à au moins un dispositif récepteur

Also Published As

Publication number Publication date
GB765445A (en) 1957-01-09
GB765443A (en) 1957-01-09
US2873312A (en) 1959-02-10

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