GB515947A - Improvements in or relating to cathode ray tube arrangements - Google Patents

Improvements in or relating to cathode ray tube arrangements

Info

Publication number
GB515947A
GB515947A GB17613/38A GB1761338A GB515947A GB 515947 A GB515947 A GB 515947A GB 17613/38 A GB17613/38 A GB 17613/38A GB 1761338 A GB1761338 A GB 1761338A GB 515947 A GB515947 A GB 515947A
Authority
GB
United Kingdom
Prior art keywords
winding
screen
relating
ray tube
cathode ray
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
GB17613/38A
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.)
GEORGE RICHARD TINGLEY
Baird Television Ltd
Original Assignee
GEORGE RICHARD TINGLEY
Baird Television 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 GEORGE RICHARD TINGLEY, Baird Television Ltd filed Critical GEORGE RICHARD TINGLEY
Priority to GB17613/38A priority Critical patent/GB515947A/en
Priority to US275101A priority patent/US2220303A/en
Publication of GB515947A publication Critical patent/GB515947A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • 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
    • H04N3/26—Modifications of scanning arrangements to improve focusing

Abstract

515,947. Television ; thermionic oscilllators. BAIRD TELEVISION, Ltd., and TINGLEY, G. R. June 14, 1938, No. 17613. [Classes 40 (iii) and 40 (v)] A scanning oscillator, for deflecting a cathode-ray beam over an inclined screen, has an additional winding 5 in its grid circuit associated with the main focusing coil 7 so as to maintain the beam in focus at all points on the screen ; the resistance of the winding 5 is so chosen that the wave-form is modified to produce a uniform rate of movement of the beam over the screen. In a modification, the winding 5 may be in parallel with winding 4 (Fig. 2, not shown). Specifications 445,094, 463,896 and 463,972 are referred to.
GB17613/38A 1938-06-14 1938-06-14 Improvements in or relating to cathode ray tube arrangements Expired GB515947A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB17613/38A GB515947A (en) 1938-06-14 1938-06-14 Improvements in or relating to cathode ray tube arrangements
US275101A US2220303A (en) 1938-06-14 1939-05-22 Cathode ray tube arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17613/38A GB515947A (en) 1938-06-14 1938-06-14 Improvements in or relating to cathode ray tube arrangements

Publications (1)

Publication Number Publication Date
GB515947A true GB515947A (en) 1939-12-19

Family

ID=10098196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17613/38A Expired GB515947A (en) 1938-06-14 1938-06-14 Improvements in or relating to cathode ray tube arrangements

Country Status (2)

Country Link
US (1) US2220303A (en)
GB (1) GB515947A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE476201A (en) * 1939-06-06
US2517807A (en) * 1945-05-30 1950-08-08 Rca Corp Neutralization of deflection field between photocathode and mosaic of pickup tube
US2561586A (en) * 1948-02-11 1951-07-24 Philco Corp Deflection circuit for cathode-ray tubes
US2534557A (en) * 1949-01-19 1950-12-19 Tele Tone Radio Corp Keystoning circuit
USRE24740E (en) * 1950-11-30 1959-12-01 - electron beam convergence system
US2664521A (en) * 1951-11-07 1953-12-29 Motorola Inc Deflection circuits
US2880358A (en) * 1952-04-08 1959-03-31 Motorola Inc Color television system
US2730651A (en) * 1953-03-31 1956-01-10 Rca Corp Dynamic electron beam control systems
US2999186A (en) * 1953-04-07 1961-09-05 Rca Corp Multi-beam convergence controlling systems
US2726354A (en) * 1953-05-27 1955-12-06 Rca Corp Dynamic beam convergence system for tri-color kinescopes
NL108194C (en) * 1953-06-25
US2726355A (en) * 1953-07-08 1955-12-06 Rca Corp Beam convergence system for tri-color kinescope
US2808537A (en) * 1954-03-08 1957-10-01 Edgar W Van Winkle Focus compensation circuit
US3622836A (en) * 1968-03-25 1971-11-23 Eastman Kodak Co Deflection amplifier with dynamic focus control
DE2752598C3 (en) * 1977-11-25 1981-10-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method for operating an electromagnetic focusing electron-optical lens arrangement and lens arrangement therefor

Also Published As

Publication number Publication date
US2220303A (en) 1940-11-05

Similar Documents

Publication Publication Date Title
GB515947A (en) Improvements in or relating to cathode ray tube arrangements
ES475295A1 (en) Cathode-ray tube
GB529341A (en) Braun tube
GB517597A (en) Improvements in or relating to deflecting means for use with cathode ray tubes
GB530263A (en) Improvements in or relating to focussing and deflecting means for cathode ray tubes
ES264908A1 (en) Circuit arrangement for dynamic postfocusing in electrostatic focusing cathode-ray tubes
ES390059A1 (en) Cathode-ray tube
GB518221A (en) Improvements in or relating to cathode ray tubes
GB540281A (en) Improvements in television
GB495707A (en) Improvements in or relating to focussing systems for use in electric discharge tubes
GB399192A (en) Television reception arrangement with braun tube
GB798776A (en) Focussing arrangements for cathode ray tubes
GB463896A (en) Improvements in or relating to oscillights or cathode ray tubes
GB505355A (en) Improvements in or relating to cathode ray deflection
ES219085A1 (en) Control circuit for color television display tubes
GB570672A (en) Improvements in or relating to cathode ray tubes
GB507414A (en) Improvements in television or like transmitting cathode-ray tubes
GB455479A (en) Improvements in or relating to electrical circuits associated with cathode-ray tubes
GB501535A (en) Improvements in or relating to television and like systems
GB514270A (en) Improvements in or relating to cathode ray tubes
GB677983A (en) Improvements relating to cathode ray tube apparatus
GB480521A (en) Improvements in or relating to cathode ray television apparatus
GB417590A (en) A television receiving method employing braun tubes
GB438716A (en) Improvements in or relating to television, picture telegraphy and the like
GB480691A (en) Improvements in or relating to electron discharge devices