GB739362A - Improvements in and relating to television camera tubes - Google Patents

Improvements in and relating to television camera tubes

Info

Publication number
GB739362A
GB739362A GB2766/54A GB276654A GB739362A GB 739362 A GB739362 A GB 739362A GB 2766/54 A GB2766/54 A GB 2766/54A GB 276654 A GB276654 A GB 276654A GB 739362 A GB739362 A GB 739362A
Authority
GB
United Kingdom
Prior art keywords
magnification
cathode
screened
tube
mask
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
GB2766/54A
Other languages
English (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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB739362A publication Critical patent/GB739362A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • 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)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB2766/54A 1953-02-02 1954-01-29 Improvements in and relating to television camera tubes Expired GB739362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL316987X 1953-02-02

Publications (1)

Publication Number Publication Date
GB739362A true GB739362A (en) 1955-10-26

Family

ID=19783841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2766/54A Expired GB739362A (en) 1953-02-02 1954-01-29 Improvements in and relating to television camera tubes

Country Status (6)

Country Link
US (1) US2803753A (enrdf_load_stackoverflow)
BE (1) BE526155A (enrdf_load_stackoverflow)
CH (1) CH316987A (enrdf_load_stackoverflow)
DE (1) DE935737C (enrdf_load_stackoverflow)
FR (1) FR1092162A (enrdf_load_stackoverflow)
GB (1) GB739362A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310671A (en) * 1941-02-12 1943-02-09 John C Batchelor Image producer
US2384232A (en) * 1942-05-02 1945-09-04 Rca Corp Television view finder

Also Published As

Publication number Publication date
DE935737C (de) 1955-11-24
US2803753A (en) 1957-08-20
FR1092162A (fr) 1955-04-19
CH316987A (de) 1956-10-31
BE526155A (enrdf_load_stackoverflow)

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