GB981512A - Radio-frequency heating apparatus - Google Patents

Radio-frequency heating apparatus

Info

Publication number
GB981512A
GB981512A GB4632762A GB4632762A GB981512A GB 981512 A GB981512 A GB 981512A GB 4632762 A GB4632762 A GB 4632762A GB 4632762 A GB4632762 A GB 4632762A GB 981512 A GB981512 A GB 981512A
Authority
GB
United Kingdom
Prior art keywords
oscillator
tube
frequency heating
dec
derived
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
GB4632762A
Inventor
Kenneth Hilton
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.)
HIRST ELECTRONIC Ltd
Original Assignee
HIRST ELECTRONIC 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 HIRST ELECTRONIC Ltd filed Critical HIRST ELECTRONIC Ltd
Priority to GB4632762A priority Critical patent/GB981512A/en
Publication of GB981512A publication Critical patent/GB981512A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6435—Aspects relating to the user interface of the microwave heating apparatus
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

981, 512. Voltage testing; power measuring. HIRST ELECTRONIC Ltd. Dec. 9, 1963 [Dec. 7, 1962], No.46327/62. Heading G1U. [Also in Divisions H2 and H3] A radio frequency heating system of known type has an electron beam tube 18 provided as a visual indicator of the power input to the oscillator. The tube cathode-grid voltage is derived from a resistor 17 in series with the oscillator anode. As the oscillator does not function below say one quarter power, a Zener diode may be provided to block below a voltage corresponding to this. The oscillator may comprise a magnetron 11, the H.T. of which together with that of the tube 18 is derived through a time delay circuit 15. A push pull arrangement employing two magnetrons is described in Specification.
GB4632762A 1962-12-07 1962-12-07 Radio-frequency heating apparatus Expired GB981512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4632762A GB981512A (en) 1962-12-07 1962-12-07 Radio-frequency heating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4632762A GB981512A (en) 1962-12-07 1962-12-07 Radio-frequency heating apparatus

Publications (1)

Publication Number Publication Date
GB981512A true GB981512A (en) 1965-01-27

Family

ID=10440791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4632762A Expired GB981512A (en) 1962-12-07 1962-12-07 Radio-frequency heating apparatus

Country Status (1)

Country Link
GB (1) GB981512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340429A (en) * 1976-09-25 1978-04-13 Matsushita Electric Ind Co Ltd High frequency heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340429A (en) * 1976-09-25 1978-04-13 Matsushita Electric Ind Co Ltd High frequency heater

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