AT368338B - Schaltung zum klemmen eines vidoesignals - Google Patents

Schaltung zum klemmen eines vidoesignals

Info

Publication number
AT368338B
AT368338B AT0335475A AT335475A AT368338B AT 368338 B AT368338 B AT 368338B AT 0335475 A AT0335475 A AT 0335475A AT 335475 A AT335475 A AT 335475A AT 368338 B AT368338 B AT 368338B
Authority
AT
Austria
Prior art keywords
clamp
circuit
video signal
video
signal
Prior art date
Application number
AT0335475A
Other languages
English (en)
Other versions
ATA335475A (de
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 ATA335475A publication Critical patent/ATA335475A/de
Application granted granted Critical
Publication of AT368338B publication Critical patent/AT368338B/de

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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
AT0335475A 1974-05-01 1975-04-30 Schaltung zum klemmen eines vidoesignals AT368338B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US465891A US3927255A (en) 1974-05-01 1974-05-01 Black level clamping circuit for a television signal processor

Publications (2)

Publication Number Publication Date
ATA335475A ATA335475A (de) 1982-01-15
AT368338B true AT368338B (de) 1982-10-11

Family

ID=23849588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0335475A AT368338B (de) 1974-05-01 1975-04-30 Schaltung zum klemmen eines vidoesignals

Country Status (14)

Country Link
US (1) US3927255A (de)
JP (1) JPS5527497B2 (de)
AT (1) AT368338B (de)
AU (1) AU498711B2 (de)
CA (1) CA1049649A (de)
DE (1) DE2519359C3 (de)
DK (1) DK144550C (de)
FI (1) FI59901C (de)
FR (1) FR2269830B1 (de)
GB (1) GB1511003A (de)
IT (1) IT1037317B (de)
NL (1) NL7505095A (de)
SE (1) SE395212B (de)
ZA (1) ZA752666B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542552B2 (de) * 1974-08-14 1980-10-31
US4101932A (en) * 1975-11-17 1978-07-18 Harris Corporation Video preamplifier for camera operated in act mode
US4044375A (en) * 1976-08-19 1977-08-23 Rca Corporation Brightness control apparatus
US4110787A (en) * 1977-07-28 1978-08-29 Rca Corporation Combined blanking level and kinescope bias clamp for a television signal processing system
US4207591A (en) * 1978-02-09 1980-06-10 Rca Corporation Gated automatic beam current limiter in a video signal processing system
NL7901722A (nl) * 1979-03-05 1980-09-09 Philips Nv Klemschakeling voor een videosignaal.
US4261015A (en) * 1979-07-09 1981-04-07 Burroughs Corporation Video clamp
US4295161A (en) * 1980-04-21 1981-10-13 Rca Corporation Keyed noise filter in a television receiver
JPS645569U (de) * 1987-06-26 1989-01-12
US5610840A (en) * 1993-09-02 1997-03-11 Asahi Kogaku Kogyo Kabushiki Kaisha Signal processing device
US5708482A (en) * 1994-09-08 1998-01-13 Asahi Kogaku Kogyo Kabushiki Kaisha Image-signal clamping circuit for electronic endoscope
US5841488A (en) * 1995-12-28 1998-11-24 Thomson Consumer Electronics, Inc. Multiple video input clamping arrangement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE486285A (de) * 1947-12-13
US3159751A (en) * 1960-11-25 1964-12-01 Ibm Clamp circuit with a shunt unilateral discharge path
DE1172300B (de) * 1962-07-11 1964-06-18 Fernseh Gmbh Verfahren und Schaltungsanordnung zur UEbertragung eines Videosignals
US3288926A (en) * 1963-07-01 1966-11-29 Northern Electric Co Direct current restoration curcuit
US3463940A (en) * 1966-02-02 1969-08-26 Northern Electric Co D.c. restoration circuit
FR1517067A (fr) * 1967-02-02 1968-03-15 Radiotechnique Perfectionnements au procédé et au dispositif de comande automatique de gain et decalage du niveau du noir pour récepteurs de télévision
US3551596A (en) * 1968-05-17 1970-12-29 Bell Telephone Labor Inc Error compensation network for video signals
JPS4918416A (de) * 1972-06-12 1974-02-18
US3814952A (en) * 1972-12-15 1974-06-04 Bell Telephone Labor Inc Dual mode video clamping circuit

Also Published As

Publication number Publication date
AU8057775A (en) 1976-11-04
DE2519359B2 (de) 1977-12-29
CA1049649A (en) 1979-02-27
IT1037317B (it) 1979-11-10
JPS5527497B2 (de) 1980-07-21
AU498711B2 (en) 1979-03-22
ZA752666B (en) 1976-04-28
DK144550B (da) 1982-03-22
ATA335475A (de) 1982-01-15
FI59901B (fi) 1981-06-30
GB1511003A (en) 1978-05-17
SE395212B (sv) 1977-08-01
FR2269830A1 (de) 1975-11-28
JPS50151022A (de) 1975-12-04
FR2269830B1 (de) 1982-05-07
FI751242A (de) 1975-11-02
FI59901C (fi) 1981-10-12
DK188475A (da) 1975-11-02
DE2519359A1 (de) 1975-11-13
DK144550C (da) 1982-09-06
SE7504678L (sv) 1975-11-03
NL7505095A (nl) 1975-11-04
DE2519359C3 (de) 1978-08-24
US3927255A (en) 1975-12-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee