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

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/22—Transference of modulation from one carrier to another, e.g. frequency-changing by deflecting an electron beam in a discharge tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION 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
    • H03B21/00—Generation 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH275294A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE810401C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR987144A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB672979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL77383C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1930-12-26
US1983172A (en) * 1931-12-21 1934-12-04 Heintz & Kaufman Ltd Modulating system
NL49351C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
CH275294A (de) 1951-05-15
DE810401C (de) 1951-08-09
FR987144A (fr) 1951-08-09
NL77383C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2623167A (en) 1952-12-23
NL140460B (nl)

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