GB672979A - Improvements in mixing or detector circuits incorporating cathode ray tubes - Google Patents

Improvements in mixing or detector circuits incorporating cathode ray tubes

Info

Publication number
GB672979A
GB672979A GB12564/49A GB1256449A GB672979A GB 672979 A GB672979 A GB 672979A GB 12564/49 A GB12564/49 A GB 12564/49A GB 1256449 A GB1256449 A GB 1256449A GB 672979 A GB672979 A GB 672979A
Authority
GB
United Kingdom
Prior art keywords
oscillations
signal
anode
plates
quadrature
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
GB12564/49A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB672979A publication Critical patent/GB672979A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/22Transference of modulation from one carrier to another, e.g. frequency-changing by deflecting an electron beam in a discharge tube
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Particle Accelerators (AREA)
  • Measurement Of Radiation (AREA)
GB12564/49A 1948-05-14 1949-05-11 Improvements in mixing or detector circuits incorporating cathode ray tubes Expired GB672979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL275294X 1948-05-14

Publications (1)

Publication Number Publication Date
GB672979A true GB672979A (en) 1952-05-28

Family

ID=19782108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12564/49A Expired GB672979A (en) 1948-05-14 1949-05-11 Improvements in mixing or detector circuits incorporating cathode ray tubes

Country Status (6)

Country Link
US (1) US2623167A (ja)
CH (1) CH275294A (ja)
DE (1) DE810401C (ja)
FR (1) FR987144A (ja)
GB (1) GB672979A (ja)
NL (2) NL77383C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892056A (en) * 1953-08-03 1959-06-23 Rca Corp Cathode ray tube systems
US2832001A (en) * 1954-08-27 1958-04-22 Zenith Radio Corp Electron discharge systems
US2811668A (en) * 1956-05-29 1957-10-29 Gen Dynamics Corp Electron beam deflection control system
NL247526A (ja) * 1959-04-27

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1988621A (en) * 1930-01-16 1935-01-22 Rca Corp Cathode ray tube heterodyne detector
NL70203C (ja) * 1930-12-26
US1983172A (en) * 1931-12-21 1934-12-04 Heintz & Kaufman Ltd Modulating system
NL49351C (ja) * 1936-04-06
US2241027A (en) * 1939-11-30 1941-05-06 Rca Corp Electronic musical instrument
US2528187A (en) * 1945-06-04 1950-10-31 Rca Corp Frequency modulation converter system
DE707270C (de) * 1949-04-02 1941-06-18 Fernseh Gmbh Kathodenstrahlschwingungserzeuger

Also Published As

Publication number Publication date
NL77383C (ja)
FR987144A (fr) 1951-08-09
CH275294A (de) 1951-05-15
NL140460B (nl)
DE810401C (de) 1951-08-09
US2623167A (en) 1952-12-23

Similar Documents

Publication Publication Date Title
US2425600A (en) Pulse relay testing system
GB553266A (en) Improvements in and relating to high frequency electron discharge apparatus
GB582892A (en) Apparatus for controlling the velocity of a cathode ray beam
GB672979A (en) Improvements in mixing or detector circuits incorporating cathode ray tubes
US2363835A (en) Frequency conversion
GB785538A (en) Improvements in or relating to transistor circuits
GB577278A (en) Improvements in or relating to electron discharge apparatus for operation at ultra-high frequencies
GB652240A (en) Improvements in or relating to circuit arrangements for use on ultra-high frequencies
US2484107A (en) Oscillograph circuit to modulate a signal
US2616033A (en) Converter
GB609542A (en) Improvements in or relating to frequency-changers in superheterodyne receivers for very short waves
GB625908A (en) Multi-range oscillator system
US1896780A (en) Modulating device
US2220165A (en) Noise reducing system
US2031130A (en) Short wave-long wave receiver
GB617878A (en) Improvements in and relating to capacitor discharge and like circuits
GB822554A (en) Improvements relating to electronic circuit arrangements
US2919411A (en) Amplifier
GB677722A (en) Superregenerator
GB485298A (en) Improvements in or relating to electron discharge device arrangements
US1672840A (en) Amplifier
GB585570A (en) Improvements in or relating to thermionic frequency mixing arrangements
GB688112A (en) Improvements in and relating to magnetron oscillators
GB581419A (en) Selective amplifiers employing electron discharge tubes
GB643946A (en) Improvements in or relating to circuit-arrangements for amplifying ultra-high-frequency oscillations