GB2049347B - Video signal processing circuit having a nonlinear transfer function - Google Patents

Video signal processing circuit having a nonlinear transfer function

Info

Publication number
GB2049347B
GB2049347B GB8014178A GB8014178A GB2049347B GB 2049347 B GB2049347 B GB 2049347B GB 8014178 A GB8014178 A GB 8014178A GB 8014178 A GB8014178 A GB 8014178A GB 2049347 B GB2049347 B GB 2049347B
Authority
GB
United Kingdom
Prior art keywords
signal processing
video signal
processing circuit
transfer function
nonlinear transfer
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
GB8014178A
Other languages
English (en)
Other versions
GB2049347A (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
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 GB2049347A publication Critical patent/GB2049347A/en
Application granted granted Critical
Publication of GB2049347B publication Critical patent/GB2049347B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/26—Arbitrary function generators
    • G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
GB8014178A 1979-05-11 1980-04-30 Video signal processing circuit having a nonlinear transfer function Expired GB2049347B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3810079A 1979-05-11 1979-05-11

Publications (2)

Publication Number Publication Date
GB2049347A GB2049347A (en) 1980-12-17
GB2049347B true GB2049347B (en) 1983-04-27

Family

ID=21898092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014178A Expired GB2049347B (en) 1979-05-11 1980-04-30 Video signal processing circuit having a nonlinear transfer function

Country Status (8)

Country Link
JP (1) JPS55156488A (enrdf_load_stackoverflow)
KR (1) KR830002655B1 (enrdf_load_stackoverflow)
CA (1) CA1143828A (enrdf_load_stackoverflow)
DE (1) DE3017929C2 (enrdf_load_stackoverflow)
FR (1) FR2456446A1 (enrdf_load_stackoverflow)
GB (1) GB2049347B (enrdf_load_stackoverflow)
IT (1) IT8021964A0 (enrdf_load_stackoverflow)
MY (1) MY8500725A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612567A (en) * 1984-05-03 1986-09-16 Rca Corporation Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation
MY110211A (en) * 1992-06-17 1998-02-28 Rca Thomson Licensing Corp Kinescope driver apparatus with contrast enhancement.
WO2005101658A1 (en) * 2004-04-15 2005-10-27 Koninklijke Philips Electronics N.V. Analogue non-linear dynamic filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
DE2264282A1 (de) * 1972-12-30 1974-07-04 Bosch Fernsehanlagen Schaltungsanordnung mit nichtlinearer uebertragungskennlinie fuer fernsehsignale
US4143397A (en) * 1976-04-19 1979-03-06 Rca Corporation Comb filter apparatus
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus

Also Published As

Publication number Publication date
JPS55156488A (en) 1980-12-05
MY8500725A (en) 1985-12-31
CA1143828A (en) 1983-03-29
KR830002655B1 (ko) 1983-12-06
FR2456446A1 (fr) 1980-12-05
DE3017929C2 (de) 1985-02-14
DE3017929A1 (de) 1980-11-20
GB2049347A (en) 1980-12-17
JPS6133501B2 (enrdf_load_stackoverflow) 1986-08-02
KR830004027A (ko) 1983-06-30
IT8021964A0 (it) 1980-05-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee