GB676347A - Improvements in and relating to electromagnetic scanning systems - Google Patents

Improvements in and relating to electromagnetic scanning systems

Info

Publication number
GB676347A
GB676347A GB27064/50A GB2706450A GB676347A GB 676347 A GB676347 A GB 676347A GB 27064/50 A GB27064/50 A GB 27064/50A GB 2706450 A GB2706450 A GB 2706450A GB 676347 A GB676347 A GB 676347A
Authority
GB
United Kingdom
Prior art keywords
capacitor
current
transformer
scanning
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
GB27064/50A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB676347A publication Critical patent/GB676347A/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
    • H03K4/28—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 a switching device

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
GB27064/50A 1949-11-10 1950-11-06 Improvements in and relating to electromagnetic scanning systems Expired GB676347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US126630A US2568471A (en) 1949-11-10 1949-11-10 Electromagnetic scanning system

Publications (1)

Publication Number Publication Date
GB676347A true GB676347A (en) 1952-07-23

Family

ID=22425887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27064/50A Expired GB676347A (en) 1949-11-10 1950-11-06 Improvements in and relating to electromagnetic scanning systems

Country Status (4)

Country Link
US (1) US2568471A (en:Method)
BE (1) BE499300A (en:Method)
FR (2) FR1021348A (en:Method)
GB (1) GB676347A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL88020C (en:Method) * 1951-12-19
US2713652A (en) * 1954-02-25 1955-07-19 Avco Mfg Corp Controlled beam centering deflection circuit
US2898512A (en) * 1957-07-01 1959-08-04 Philco Corp Line deflection system for cathode ray tubes
US3201730A (en) * 1962-05-04 1965-08-17 Rca Corp High voltage transformer and rectifier tube with direct connection therebetween

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460601A (en) * 1945-01-18 1949-02-01 Rca Corp Cathode-ray tube deflecting system
US2443030A (en) * 1946-11-09 1948-06-08 Gen Electric Picture size control circuit for television receivers
US2478744A (en) * 1946-12-26 1949-08-09 Rca Corp Power recovery system
US2474474A (en) * 1947-02-25 1949-06-28 Rca Corp Power recovery circuit for cathoderay apparatus deflection systems
US2466537A (en) * 1947-02-28 1949-04-05 Remington Rand Inc Cathode-ray tube sweep circuit

Also Published As

Publication number Publication date
US2568471A (en) 1951-09-18
FR61271E (fr) 1955-04-25
FR1021348A (fr) 1953-02-17
BE499300A (en:Method) 1951-03-01

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