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GB477433A - Improvements relating to television and the like - Google Patents

Improvements relating to television and the like

Info

Publication number
GB477433A
GB477433A GB6930/37A GB693037A GB477433A GB 477433 A GB477433 A GB 477433A GB 6930/37 A GB6930/37 A GB 6930/37A GB 693037 A GB693037 A GB 693037A GB 477433 A GB477433 A GB 477433A
Authority
GB
United Kingdom
Prior art keywords
television
current
deflecting
intensity
deflection
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
GB6930/37A
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.)
Philco Radio and Television Corp
Original Assignee
Philco Radio and Television 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 Philco Radio and Television Corp filed Critical Philco Radio and Television Corp
Publication of GB477433A publication Critical patent/GB477433A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Details Of Television Scanning (AREA)

Abstract

477,433. Television receivers. PHILCO RADIO & TELEVISION CORPORATION. May 20, 1936, No. 6930/37. Convention date, June 7, 1935. Divided out of 477,038. [Class 40 (iii)] A current or voltage for deflecting an electronic beam varies the intensity of the beam in accordance with the amount of the deflection. A portion of the deflecting-current is rectified by a diode RT1 to produce a unidirectional current voltage, which biasses a controlling- grid in the cathode-ray tube CT. The intensity of the ray is thus reduced when deflection ceases. Specification 477,038 is referred to.
GB6930/37A 1935-06-07 1936-05-20 Improvements relating to television and the like Expired GB477433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US477038XA 1935-06-07 1935-06-07

Publications (1)

Publication Number Publication Date
GB477433A true GB477433A (en) 1937-12-20

Family

ID=21950460

Family Applications (2)

Application Number Title Priority Date Filing Date
GB6930/37A Expired GB477433A (en) 1935-06-07 1936-05-20 Improvements relating to television and the like
GB14289/36A Expired GB477038A (en) 1935-06-07 1936-05-20 Improvements relating to television and the like

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB14289/36A Expired GB477038A (en) 1935-06-07 1936-05-20 Improvements relating to television and the like

Country Status (1)

Country Link
GB (2) GB477433A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470048A (en) * 1946-05-31 1949-05-10 Bendix Aviat Corp Television receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470048A (en) * 1946-05-31 1949-05-10 Bendix Aviat Corp Television receiver

Also Published As

Publication number Publication date
GB477038A (en) 1937-12-20

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