CA939050A - Television cameras - Google Patents

Television cameras

Info

Publication number
CA939050A
CA939050A CA096990A CA96990A CA939050A CA 939050 A CA939050 A CA 939050A CA 096990 A CA096990 A CA 096990A CA 96990 A CA96990 A CA 96990A CA 939050 A CA939050 A CA 939050A
Authority
CA
Canada
Prior art keywords
television cameras
cameras
television
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
CA096990A
Other languages
English (en)
Other versions
CA96990S (en
Inventor
W. Loose Peter
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of CA939050A publication Critical patent/CA939050A/en
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
    • H04N5/16—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
CA096990A 1969-11-01 1970-10-30 Television cameras Expired CA939050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB53661/69A GB1269246A (en) 1969-11-01 1969-11-01 Improvements in or relating to television cameras

Publications (1)

Publication Number Publication Date
CA939050A true CA939050A (en) 1973-12-25

Family

ID=10468580

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096990A Expired CA939050A (en) 1969-11-01 1970-10-30 Television cameras

Country Status (8)

Country Link
US (1) US3700794A (cs)
CA (1) CA939050A (cs)
DE (1) DE2053477A1 (cs)
FR (1) FR2066933B1 (cs)
GB (1) GB1269246A (cs)
NL (1) NL7014967A (cs)
NO (1) NO131224C (cs)
SE (1) SE366627B (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1355131A (en) * 1971-07-29 1974-06-05 Philips Electronic Associated Video contour determining circuit
US3818127A (en) * 1973-01-31 1974-06-18 Emhart Corp Base line stabilizing circuit for video inspection machine
US3949165A (en) * 1974-11-12 1976-04-06 General Electric Company Noise immune clamp circuit
US3976833A (en) * 1974-11-21 1976-08-24 Xerox Corporation Amplifier back-ground control apparatus for use in a document scanning system
US3970777A (en) * 1975-06-09 1976-07-20 Minnesota Mining And Manufacturing Company Apparatus for adjusting video pedestal and peak white level
US4101932A (en) * 1975-11-17 1978-07-18 Harris Corporation Video preamplifier for camera operated in act mode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE287121C (cs) *
NL174245B (nl) * 1951-12-05 Saint Gobain Inrichting voor het harden van vooraf gebogen glasplaten.
GB799052A (en) * 1956-01-19 1958-07-30 Marconi Wireless Telegraph Co Improvements in or relating to modulating circuit arrangements
US3418425A (en) * 1966-01-03 1968-12-24 Northern Electric Co System for reducing low frequency variations in the average value of a signal
US3526710A (en) * 1967-03-30 1970-09-01 Gen Electric Automatic black level control of television signals
US3551596A (en) * 1968-05-17 1970-12-29 Bell Telephone Labor Inc Error compensation network for video signals

Also Published As

Publication number Publication date
GB1269246A (en) 1972-04-06
US3700794A (en) 1972-10-24
FR2066933B1 (cs) 1974-02-01
DE2053477A1 (de) 1971-06-09
FR2066933A1 (cs) 1971-08-13
NO131224B (cs) 1975-01-13
SE366627B (cs) 1974-04-29
NL7014967A (cs) 1971-05-04
NO131224C (cs) 1975-04-23

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