CA1143828A - Signal processing circuit having a non-linear transfer function - Google Patents

Signal processing circuit having a non-linear transfer function

Info

Publication number
CA1143828A
CA1143828A CA000351778A CA351778A CA1143828A CA 1143828 A CA1143828 A CA 1143828A CA 000351778 A CA000351778 A CA 000351778A CA 351778 A CA351778 A CA 351778A CA 1143828 A CA1143828 A CA 1143828A
Authority
CA
Canada
Prior art keywords
output
input
magnitudes
switching network
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
CA000351778A
Other languages
English (en)
French (fr)
Inventor
William A. Lagoni
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
Application granted granted Critical
Publication of CA1143828A publication Critical patent/CA1143828A/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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Picture Signal Circuits (AREA)
CA000351778A 1979-05-11 1980-05-09 Signal processing circuit having a non-linear transfer function Expired CA1143828A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3810079A 1979-05-11 1979-05-11
US038,100 1979-05-11

Publications (1)

Publication Number Publication Date
CA1143828A true CA1143828A (en) 1983-03-29

Family

ID=21898092

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000351778A Expired CA1143828A (en) 1979-05-11 1980-05-09 Signal processing circuit having a non-linear 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
FR2456446A1 (fr) 1980-12-05
KR830002655B1 (ko) 1983-12-06
DE3017929C2 (de) 1985-02-14
GB2049347A (en) 1980-12-17
KR830004027A (ko) 1983-06-30
JPS6133501B2 (enrdf_load_stackoverflow) 1986-08-02
MY8500725A (en) 1985-12-31
DE3017929A1 (de) 1980-11-20
JPS55156488A (en) 1980-12-05
IT8021964A0 (it) 1980-05-09
GB2049347B (en) 1983-04-27

Similar Documents

Publication Publication Date Title
US4223340A (en) Image detail improvement in a vertical detail enhancement system
US4245237A (en) Controllable non-linear processing of video signals
US4009334A (en) Video noise reduction circuit
US4365266A (en) Horizontal and vertical image detail processing of a color television signal
US4142211A (en) Bidimensional noise reduction system for television
US4245238A (en) Non-linear processing of video image vertical detail information
US4263612A (en) Comb filter equalization circuit
US4295160A (en) Signal processing circuit having a non-linear transfer function
US4223339A (en) Video image vertical detail restoration and enhancement
CA1061448A (en) Automatic luminance channel frequency response control apparatus
JPS6148313B2 (enrdf_load_stackoverflow)
CA1197609A (en) Dynamic coring circuit
GB1576551A (en) Comb filter apparatus
KR100202349B1 (ko) 텔레비젼 장치
US4437123A (en) Dynamically controlled horizontal peaking system
US4350995A (en) Self-limiting video signal peaking circuit
CA1143828A (en) Signal processing circuit having a non-linear transfer function
JP2515613B2 (ja) テレビジョン装置
US4454533A (en) Vertical detail coring circuit to track a gain adjusted signal
US3643011A (en) Luminance signal channel
CA1219345A (en) Non-linear processor for video signal vertical detail component
KR850000990B1 (ko) 제 3 고조파 신호 발생용 전자여파기
US4403246A (en) Vertical detail enhancement on/off switch
KR0159937B1 (ko) 보조 입력 접속기를 구비한 텔레비젼 수상기
KR20000016816A (ko) 비디오 라인 스크램블링 시스템에 의해 야기되는 크로마 부반송파 불안정성 최소화 방법 및 장치

Legal Events

Date Code Title Description
MKEX Expiry