GB689316A - Improvements relating to circuits for generating electrical sawtooth oscillations - Google Patents

Improvements relating to circuits for generating electrical sawtooth oscillations

Info

Publication number
GB689316A
GB689316A GB30673/49A GB3067349A GB689316A GB 689316 A GB689316 A GB 689316A GB 30673/49 A GB30673/49 A GB 30673/49A GB 3067349 A GB3067349 A GB 3067349A GB 689316 A GB689316 A GB 689316A
Authority
GB
United Kingdom
Prior art keywords
circuits
impedance
generating electrical
improvements relating
saw
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
GB30673/49A
Other languages
English (en)
Inventor
Keith Gordon Huntley
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical 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
Priority to NL83733D priority Critical patent/NL83733C/xx
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB30673/49A priority patent/GB689316A/en
Priority to US196780A priority patent/US2622227A/en
Priority to DEE3020A priority patent/DE903844C/de
Priority to FR1028440D priority patent/FR1028440A/fr
Publication of GB689316A publication Critical patent/GB689316A/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

Landscapes

  • Details Of Television Scanning (AREA)
  • Magnetically Actuated Valves (AREA)
GB30673/49A 1949-11-30 1949-11-30 Improvements relating to circuits for generating electrical sawtooth oscillations Expired GB689316A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL83733D NL83733C (en:Method) 1949-11-30
GB30673/49A GB689316A (en) 1949-11-30 1949-11-30 Improvements relating to circuits for generating electrical sawtooth oscillations
US196780A US2622227A (en) 1949-11-30 1950-11-21 Circuits for generating saw tooth oscillations
DEE3020A DE903844C (de) 1949-11-30 1950-11-23 Schaltung zur Erzeugung von Saegezahnstroemen
FR1028440D FR1028440A (fr) 1949-11-30 1950-11-27 Circuit engendrant des oscillations électriques en dents de scie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30673/49A GB689316A (en) 1949-11-30 1949-11-30 Improvements relating to circuits for generating electrical sawtooth oscillations

Publications (1)

Publication Number Publication Date
GB689316A true GB689316A (en) 1953-03-25

Family

ID=10311346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30673/49A Expired GB689316A (en) 1949-11-30 1949-11-30 Improvements relating to circuits for generating electrical sawtooth oscillations

Country Status (5)

Country Link
US (1) US2622227A (en:Method)
DE (1) DE903844C (en:Method)
FR (1) FR1028440A (en:Method)
GB (1) GB689316A (en:Method)
NL (1) NL83733C (en:Method)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB518378A (en) * 1938-08-23 1940-02-26 Eric Lawrence Casling White Improvements in or relating to thermionic valve circuits
US2251851A (en) * 1939-06-16 1941-08-05 Philco Radio & Television Corp Electron-beam deflecting circuit
US2280733A (en) * 1939-06-30 1942-04-21 Rca Corp Deflecting circuits
US2228266A (en) * 1939-07-01 1941-01-14 Bell Telephone Labor Inc Signal translating apparatus
US2305919A (en) * 1941-09-25 1942-12-22 Rca Corp Deflection circuit
US2414546A (en) * 1942-01-06 1947-01-21 Westinghouse Electric Corp Television sweep circuits
US2460540A (en) * 1946-02-26 1949-02-01 Rca Corp Control circuit

Also Published As

Publication number Publication date
FR1028440A (fr) 1953-05-22
DE903844C (de) 1954-02-11
NL83733C (en:Method)
US2622227A (en) 1952-12-16

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