FR1137684A - Dispositif de compensation de signaux d'image - Google Patents

Dispositif de compensation de signaux d'image

Info

Publication number
FR1137684A
FR1137684A FR1137684DA FR1137684A FR 1137684 A FR1137684 A FR 1137684A FR 1137684D A FR1137684D A FR 1137684DA FR 1137684 A FR1137684 A FR 1137684A
Authority
FR
France
Prior art keywords
image signal
compensation device
signal compensation
image
signal
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)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR1137684A publication Critical patent/FR1137684A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
FR1137684D 1954-11-08 1955-10-21 Dispositif de compensation de signaux d'image Expired FR1137684A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US467437A US2989587A (en) 1954-11-08 1954-11-08 Picture signal aperture compensation

Publications (1)

Publication Number Publication Date
FR1137684A true FR1137684A (fr) 1957-06-03

Family

ID=23855695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137684D Expired FR1137684A (fr) 1954-11-08 1955-10-21 Dispositif de compensation de signaux d'image

Country Status (4)

Country Link
US (1) US2989587A (fr)
BE (1) BE542632A (fr)
DE (1) DE1016747B (fr)
FR (1) FR1137684A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485846A1 (fr) * 1980-06-27 1981-12-31 Thomson Csf Systeme de television a haute definition

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051778A (en) * 1960-10-20 1962-08-28 Bell Telephone Labor Inc Sequential scan television with line interpolation
US3246126A (en) * 1960-11-02 1966-04-12 Sylvania Electric Prod Data processing
NZ146705A (fr) * 1965-10-20
US3536826A (en) * 1966-10-05 1970-10-27 Columbia Broadcasting Syst Inc Vertical aperture correction apparatus
NL6801742A (fr) * 1968-02-08 1969-08-12
CA1198511A (fr) * 1982-04-02 1985-12-24 Jimmie D. Songer Televiseur haute resolution
US4589012A (en) * 1982-04-02 1986-05-13 High Resolution Televison, Inc. High resolution television

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759044A (en) * 1950-11-24 1956-08-14 Bell Telephone Labor Inc Beam aperature correction in horizontal and vertical direction
US2757236A (en) * 1955-08-01 1956-07-31 Rca Corp Vertical aperture compensation for cathode ray apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485846A1 (fr) * 1980-06-27 1981-12-31 Thomson Csf Systeme de television a haute definition
EP0043298A1 (fr) * 1980-06-27 1982-01-06 Thomson-Csf Système de télévision à haute définition

Also Published As

Publication number Publication date
DE1016747B (de) 1957-10-03
BE542632A (fr)
US2989587A (en) 1961-06-20

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