GB632175A - Improvements in or relating to circuit-arrangements for providing a sawtooth-like current in the deflecting coils of a cathode-ray tube - Google Patents

Improvements in or relating to circuit-arrangements for providing a sawtooth-like current in the deflecting coils of a cathode-ray tube

Info

Publication number
GB632175A
GB632175A GB32710/46A GB3271046A GB632175A GB 632175 A GB632175 A GB 632175A GB 32710/46 A GB32710/46 A GB 32710/46A GB 3271046 A GB3271046 A GB 3271046A GB 632175 A GB632175 A GB 632175A
Authority
GB
United Kingdom
Prior art keywords
current
output
sawtooth
providing
cathode
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
GB32710/46A
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.)
PHILLIPS LAMPS Ltd
Original Assignee
PHILLIPS LAMPS 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 PHILLIPS LAMPS Ltd filed Critical PHILLIPS LAMPS Ltd
Publication of GB632175A publication Critical patent/GB632175A/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
    • H03K4/39—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 using a tube operating as an amplifier
    • H03K4/43—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 using a tube operating as an amplifier combined with means for generating the driving pulses
    • 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
    • H03K4/39—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 using a tube operating as an amplifier

Landscapes

  • Details Of Television Scanning (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

632,175. Saw-tooth circuits. PHILIPS LAMPS, Ltd. Nov. 4, 1946, No. 32710. Convention date, Nov. 7, 1945. Drawings to Specification. [Class 40 (vi)] In the output stage of an electromagnetic time base, the primary of the output transformer is given such a value that the mean anode current is a minimum for a given output at a given frequency. Any distortion of the output current wave caused by giving the primary inductance this value, rather than making it as high as possible, is avoided by partially integrating the driving voltage before applying it to the stage, or by providing negative current feed-back.
GB32710/46A 1945-11-07 1946-11-04 Improvements in or relating to circuit-arrangements for providing a sawtooth-like current in the deflecting coils of a cathode-ray tube Expired GB632175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL259000X 1945-11-07

Publications (1)

Publication Number Publication Date
GB632175A true GB632175A (en) 1949-11-17

Family

ID=19781427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32710/46A Expired GB632175A (en) 1945-11-07 1946-11-04 Improvements in or relating to circuit-arrangements for providing a sawtooth-like current in the deflecting coils of a cathode-ray tube

Country Status (7)

Country Link
US (1) US2471819A (en)
BE (1) BE469484A (en)
CH (1) CH259000A (en)
DE (1) DE930167C (en)
FR (1) FR943426A (en)
GB (1) GB632175A (en)
NL (1) NL77381C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518173A (en) * 1950-06-25
US2650955A (en) * 1951-01-09 1953-09-01 William L Martin Transformer-coupled pulse-train amplifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH71358A (en) * 1915-03-22 1915-12-16 Aeg Support body for the drive system of electricity meters
US2059219A (en) * 1930-05-05 1936-11-03 Farnsworth Television Inc Slope wave generator
FR838387A (en) * 1937-05-24 1939-03-03 Fernseh Ag Transformer for sawtooth currents
US2284378A (en) * 1940-05-03 1942-05-26 Gen Electric Deflecting circuit
US2414546A (en) * 1942-01-06 1947-01-21 Westinghouse Electric Corp Television sweep circuits
US2440786A (en) * 1943-06-30 1948-05-04 Rca Corp Cathode-ray beam deflecting circuits

Also Published As

Publication number Publication date
US2471819A (en) 1949-05-31
NL77381C (en)
DE930167C (en) 1955-07-11
CH259000A (en) 1948-12-31
BE469484A (en)
FR943426A (en) 1949-03-08

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