SE448334B - Krets for reglerbar olinjer behandling av videosignaler - Google Patents

Krets for reglerbar olinjer behandling av videosignaler

Info

Publication number
SE448334B
SE448334B SE8003335A SE8003335A SE448334B SE 448334 B SE448334 B SE 448334B SE 8003335 A SE8003335 A SE 8003335A SE 8003335 A SE8003335 A SE 8003335A SE 448334 B SE448334 B SE 448334B
Authority
SE
Sweden
Prior art keywords
signal
signals
amplitude
output
gain
Prior art date
Application number
SE8003335A
Other languages
English (en)
Swedish (sv)
Other versions
SE8003335L (sv
Inventor
W A Lagoni
Original Assignee
Rca Corp
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 filed Critical Rca Corp
Publication of SE8003335L publication Critical patent/SE8003335L/
Publication of SE448334B publication Critical patent/SE448334B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
SE8003335A 1979-05-11 1980-05-05 Krets for reglerbar olinjer behandling av videosignaler SE448334B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/038,015 US4245237A (en) 1979-05-11 1979-05-11 Controllable non-linear processing of video signals

Publications (2)

Publication Number Publication Date
SE8003335L SE8003335L (sv) 1980-11-12
SE448334B true SE448334B (sv) 1987-02-09

Family

ID=21897616

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8003335A SE448334B (sv) 1979-05-11 1980-05-05 Krets for reglerbar olinjer behandling av videosignaler

Country Status (20)

Country Link
US (1) US4245237A (fi)
JP (1) JPS55151870A (fi)
AT (1) AT382750B (fi)
AU (1) AU536330B2 (fi)
BE (1) BE883154A (fi)
CA (1) CA1140252A (fi)
DE (1) DE3017909C2 (fi)
DK (1) DK204580A (fi)
ES (1) ES8103902A1 (fi)
FI (1) FI72416C (fi)
FR (1) FR2456445B1 (fi)
GB (1) GB2050107B (fi)
HK (1) HK17187A (fi)
IT (1) IT1130579B (fi)
MX (1) MX4928E (fi)
MY (1) MY8500728A (fi)
NL (1) NL8002700A (fi)
NZ (1) NZ193569A (fi)
PT (1) PT71188A (fi)
SE (1) SE448334B (fi)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715516U (fi) * 1980-07-02 1982-01-26
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
US4454533A (en) * 1981-11-19 1984-06-12 Rca Corporation Vertical detail coring circuit to track a gain adjusted signal
JPS58164380U (ja) * 1982-04-23 1983-11-01 日本ビクター株式会社 カラ−テレビジヨン受像機
SE453246B (sv) * 1982-11-26 1988-01-18 Rca Corp Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal
US4573075A (en) * 1983-06-24 1986-02-25 Rca Corporation Digital signal coring apparatus with controllable coring threshold level
US4616251A (en) * 1983-08-26 1986-10-07 Rca Corporation Progressive scan television system employing a comb filter
US4558347A (en) * 1983-08-26 1985-12-10 Rca Corporation Progressive scan television system employing vertical detail enhancement
US4621290A (en) * 1984-04-12 1986-11-04 Rca Corporation Piecewise linear digital signal processor as for digital video vertical detail processing
US4608594A (en) * 1984-05-25 1986-08-26 Rca Corporation Television receiver using non-interlaced scanning format with motion compensation
US4583115A (en) * 1984-08-31 1986-04-15 General Electric Company Circuit for and method of broadband comb filtering a composite video signal which has been double-side band detected
DE3435122A1 (de) * 1984-09-25 1986-04-03 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Farbfernsehuebertragungssystem mit uebertragung von luminanzsignalen und tiefpassgefilterten chrominanzsignalen
US4639763A (en) * 1985-04-30 1987-01-27 Rca Corporation Interlace to non-interlace scan converter for RGB format video input signals
US4757373A (en) * 1985-11-14 1988-07-12 U.S. Philips Corporation Amplifier circuit operative with an adaptive signal compression
US4663653A (en) * 1985-11-22 1987-05-05 Rca Corporation Vertical detail enhancer
DE3629409C2 (de) * 1986-08-29 1994-02-17 Agfa Gevaert Ag Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung
DE3629396C2 (de) * 1986-08-29 1993-12-23 Agfa Gevaert Ag Verfahren zur elektronischen Bildverarbeitung
GB2203013B (en) * 1987-03-31 1991-03-06 Sony Corp Aperture correction circuits
US4786963A (en) * 1987-06-26 1988-11-22 Rca Licensing Corporation Adaptive Y/C separation apparatus for TV signals
US5099154A (en) * 1989-08-25 1992-03-24 Thomson Consumer Electronics, Inc. Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
US5194940A (en) * 1991-10-03 1993-03-16 Zenith Electronics Corporation Frequency multiplexed digital video processor
US8761537B2 (en) * 2011-05-27 2014-06-24 Vixs Systems, Inc. Adaptive edge enhancement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277318A (en) * 1964-04-30 1966-10-04 Gen Electric Gamma correction circuits
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
DE2229674C3 (de) * 1972-06-19 1979-02-15 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Kontrasterhöhung
US4143397A (en) * 1976-04-19 1979-03-06 Rca Corporation Comb filter apparatus
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal
GB1594823A (en) * 1976-12-17 1981-08-05 Danos M Electronic picture processor
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus
US4245238A (en) * 1979-05-11 1981-01-13 Rca Corporation Non-linear processing of video image vertical detail information
US4223340A (en) * 1979-05-11 1980-09-16 Rca Corporation Image detail improvement in a vertical detail enhancement system
US4295160A (en) * 1979-05-11 1981-10-13 Rca Corporation Signal processing circuit having a non-linear transfer function
US4223339A (en) * 1979-05-11 1980-09-16 Rca Corporation Video image vertical detail restoration and enhancement

Also Published As

Publication number Publication date
US4245237A (en) 1981-01-13
SE8003335L (sv) 1980-11-12
DE3017909A1 (de) 1980-11-20
FR2456445B1 (fr) 1985-08-09
IT1130579B (it) 1986-06-18
PT71188A (en) 1980-06-01
MY8500728A (en) 1985-12-31
FI72416C (fi) 1987-05-11
NL8002700A (nl) 1980-11-13
JPS6133499B2 (fi) 1986-08-02
FI801421A (fi) 1980-11-12
ES491348A0 (es) 1981-03-16
JPS55151870A (en) 1980-11-26
DK204580A (da) 1980-11-12
NZ193569A (en) 1983-11-30
AT382750B (de) 1987-04-10
FR2456445A1 (fr) 1980-12-05
HK17187A (en) 1987-03-06
ATA250380A (de) 1986-08-15
FI72416B (fi) 1987-01-30
CA1140252A (en) 1983-01-25
ES8103902A1 (es) 1981-03-16
BE883154A (fr) 1980-09-01
GB2050107A (en) 1980-12-31
GB2050107B (en) 1983-03-09
AU5804880A (en) 1980-11-13
IT8021903A0 (it) 1980-05-08
AU536330B2 (en) 1984-05-03
DE3017909C2 (de) 1985-02-28
MX4928E (es) 1983-01-03

Similar Documents

Publication Publication Date Title
SE448334B (sv) Krets for reglerbar olinjer behandling av videosignaler
US4041531A (en) Television signal processing apparatus including a transversal equalizer
KR920009077B1 (ko) 다이나믹 신호 코어링 회로
CA1298397C (en) Controller for adjusting color hue and saturation of images generated from signals in a non-broadcasting video system
JPS6056019B2 (ja) ケ−ブル信号等化回路
US4434438A (en) Low cost automatic equalizer
GB2250886A (en) Noise reduction in video signals
CA1061448A (en) Automatic luminance channel frequency response control apparatus
GB2034150A (en) Additive and multiplicative spurious signal compensation of a video signal
US3872499A (en) Television picture correction
PL129458B1 (en) Circuit for reproducing and emphasizing vertical details of television picture
US4884140A (en) Vignetting compensating circuit for a video camera
US3934266A (en) Dark current correction circuit in two-tube color television camera
GB1587627A (en) Video amplifier including capacitive coupled stages
US2892884A (en) Matrixing apparatus
US2863999A (en) Wave shaper
US2867751A (en) Signal processing circuits
US3730987A (en) Horizontal aperture correction with variable characteristic
US2890276A (en) Television control system
JPH0137027B2 (fi)
SU1601777A1 (ru) Устройство дл коррекции апертурных искажений телевизионных сигналов
US3597529A (en) System for the correction of differential phase distortion in a color television signal
US3893164A (en) System for comb-filtering television signals
US2277850A (en) Modulated-carrier wave-signal receiver
GB2049347A (en) Video signal processing circuit having a non-linear transfer function

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8003335-0

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8003335-0

Format of ref document f/p: F