GB468057A - Improvements in the generation of scanning waves for television apparatus - Google Patents

Improvements in the generation of scanning waves for television apparatus

Info

Publication number
GB468057A
GB468057A GB26502/35A GB2650235A GB468057A GB 468057 A GB468057 A GB 468057A GB 26502/35 A GB26502/35 A GB 26502/35A GB 2650235 A GB2650235 A GB 2650235A GB 468057 A GB468057 A GB 468057A
Authority
GB
United Kingdom
Prior art keywords
coil
current
switch
operated
television apparatus
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
GB26502/35A
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB468057A publication Critical patent/GB468057A/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
    • H03K4/12—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 voltage is produced across a capacitor
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Details Of Television Scanning (AREA)
GB26502/35A 1934-10-08 1935-09-24 Improvements in the generation of scanning waves for television apparatus Expired GB468057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US747324A US2118977A (en) 1934-10-08 1934-10-08 Television apparatus

Publications (1)

Publication Number Publication Date
GB468057A true GB468057A (en) 1937-06-21

Family

ID=25004601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26502/35A Expired GB468057A (en) 1934-10-08 1935-09-24 Improvements in the generation of scanning waves for television apparatus

Country Status (4)

Country Link
US (1) US2118977A (enrdf_load_stackoverflow)
BE (1) BE411652A (enrdf_load_stackoverflow)
FR (1) FR796194A (enrdf_load_stackoverflow)
GB (1) GB468057A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433758A (en) * 1940-01-25 1947-12-30 Rca Corp Radio pulse generator
US2441334A (en) * 1943-04-30 1948-05-11 Du Mont Allen B Lab Inc Signal level and phase control
US2521008A (en) * 1944-06-27 1950-09-05 John H Homrighous Television and sound multiplex system
US2485569A (en) * 1945-03-15 1949-10-25 Francis T Coughlin Method of and apparatus for compensating for residual magnetization in cathode-ray apparatus
US2509761A (en) * 1948-03-16 1950-05-30 Motorola Inc Saw-tooth voltage generator
US2728875A (en) * 1953-09-01 1955-12-27 Rca Corp Raster size control

Also Published As

Publication number Publication date
US2118977A (en) 1938-05-31
BE411652A (enrdf_load_stackoverflow)
FR796194A (fr) 1936-03-31

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