ES280103A1 - Improvements in or relating to time base circuit arrangements for producing a sawtooth current in a coil and a direct high voltage - Google Patents

Improvements in or relating to time base circuit arrangements for producing a sawtooth current in a coil and a direct high voltage

Info

Publication number
ES280103A1
ES280103A1 ES0280103A ES280103A ES280103A1 ES 280103 A1 ES280103 A1 ES 280103A1 ES 0280103 A ES0280103 A ES 0280103A ES 280103 A ES280103 A ES 280103A ES 280103 A1 ES280103 A1 ES 280103A1
Authority
ES
Spain
Prior art keywords
current
coil
load impedance
producing
sawtooth
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
ES0280103A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES280103A1 publication Critical patent/ES280103A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • 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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185—Maintaining dc voltage constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Dc-Dc Converters (AREA)

Abstract

Circuit arrangement for producing a sawtooth current in a coil and a direct voltage over a variable load impedance by means of a circuit breaker element to periodically interrupt the current supplied from a voltage source to a primary winding of a transformer, in which Said coil is coupled to the primary winding and in that the voltage impulses induced in a secondary winding of the transformer during the interruption of the current are rectified and the resulting continuous voltage is applied to the load impedance, being provided with means to maintain the slope of the substantially constant sawtooth current for the periods during which the current supplied by the voltage source is not interrupted, characterized in that means are provided to vary the ratio between the duration of the interruption of the current supplied by the voltage source and the period of the current Sawtooth, as a function of variations in the load impedance so that the direct voltage over that load impedance is substantially constant. (Machine-translation by Google Translate, not legally binding)
ES0280103A 1961-08-21 1962-08-18 Improvements in or relating to time base circuit arrangements for producing a sawtooth current in a coil and a direct high voltage Expired ES280103A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL268464A NL268464A (en) 1961-08-21 1961-08-21

Publications (1)

Publication Number Publication Date
ES280103A1 true ES280103A1 (en) 1963-05-16

Family

ID=19753247

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0280103A Expired ES280103A1 (en) 1961-08-21 1962-08-18 Improvements in or relating to time base circuit arrangements for producing a sawtooth current in a coil and a direct high voltage

Country Status (6)

Country Link
CH (1) CH416735A (en)
DE (1) DE1244846B (en)
DK (1) DK115270B (en)
ES (1) ES280103A1 (en)
GB (1) GB998985A (en)
NL (1) NL268464A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854592A (en) * 1953-04-27 1958-09-30 Hoffman Electronics Corp High voltage regulation circuit
DE959624C (en) * 1954-06-04 1957-03-07 Gerhard Koehler Needle bar for drafting devices

Also Published As

Publication number Publication date
NL268464A (en) 1964-06-25
DE1244846B (en) 1967-07-20
DK115270B (en) 1969-09-22
CH416735A (en) 1966-07-15
GB998985A (en) 1965-07-21

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