GB329610A - Improvements in or relating to frequency transformation of electric oscillations - Google Patents

Improvements in or relating to frequency transformation of electric oscillations

Info

Publication number
GB329610A
GB329610A GB33009/29A GB3300929A GB329610A GB 329610 A GB329610 A GB 329610A GB 33009/29 A GB33009/29 A GB 33009/29A GB 3300929 A GB3300929 A GB 3300929A GB 329610 A GB329610 A GB 329610A
Authority
GB
United Kingdom
Prior art keywords
oscillations
frequency
relating
frequency transformation
primary
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
GB33009/29A
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
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 filed Critical Philips Gloeilampenfabrieken NV
Publication of GB329610A publication Critical patent/GB329610A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03B19/00Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/16Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using uncontrolled rectifying devices, e.g. rectifying diodes or Schottky diodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02Details
    • H01J13/48Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0048Tubes with a main cathode
    • H01J2893/0058Grids; Auxiliary internal or external electrodes

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Generation Of Surge Voltage And Current (AREA)
GB33009/29A 1928-11-02 1929-10-30 Improvements in or relating to frequency transformation of electric oscillations Expired GB329610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL329610X 1928-11-02

Publications (1)

Publication Number Publication Date
GB329610A true GB329610A (en) 1930-05-22

Family

ID=19784303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33009/29A Expired GB329610A (en) 1928-11-02 1929-10-30 Improvements in or relating to frequency transformation of electric oscillations

Country Status (5)

Country Link
BE (1) BE365558A (enrdf_load_stackoverflow)
DE (2) DE520389C (enrdf_load_stackoverflow)
FR (1) FR684036A (enrdf_load_stackoverflow)
GB (1) GB329610A (enrdf_load_stackoverflow)
NL (1) NL29907C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951452C (de) * 1935-12-04 1956-10-31 Emi Ltd Schaltungsanordnung zur Herstellung einer Impulsreihe

Also Published As

Publication number Publication date
DE520389C (de) 1931-03-11
BE365558A (enrdf_load_stackoverflow)
NL29907C (enrdf_load_stackoverflow)
FR684036A (fr) 1930-06-20
DE538382C (de) 1931-11-13

Similar Documents

Publication Publication Date Title
GB329610A (en) Improvements in or relating to frequency transformation of electric oscillations
GB616843A (en) Improvements in or relating to devices for medical treatment with high-frequency energy
US1830322A (en) Method of producing oscillations from piezo electric plates
GB140449A (en) Improvements relating to the production of electric oscillations
US3747013A (en) Tuned-plate tuned-grid short wave signal generator with power output controlled by screen grid
GB584465A (en) An improved apparatus for varying or modulating the frequency of crystal controlled circuits
US1649828A (en) Method of preparing piezo-electric plates
GB423832A (en) Ultra-short wave generator
GB348342A (en) Improvements in and relating to high frequency electro-medical treatment apparatus
US1598862A (en) Electromedical apparatus
GB313143A (en) Improvements in and relating to the generation of electric oscillations
US2106429A (en) Electrotherapeutic apparatus
GB603034A (en) Improvements in or relating to ironing apparatus
GB425803A (en) Improvements in apparatus for the production of artificial fever
GB284761A (en) Improvements relating to piezo-electric devices
GB655400A (en) Improvements in or relating to high-frequency induction heating apparatus
GB584642A (en) Improvements in or relating to arrangements for modulating continuous electric waves
GB371641A (en) Improvements in and relating to means for producing music electrically
GB223679A (en) Improvements relating to electric apparatus for generating high frequency currents
US2140025A (en) Method and apparatus for the prodduction of music
GB305508A (en) Improved means for the production of high-frequency currents
GB255162A (en) Improvements in or relating to high frequency heating apparatus
GB456311A (en) Improvements in and relating to electrical apparatus for exercising the muscles of the body
GB503420A (en) Improvements in or relating to electrical oscillator apparatus for medical purposes
GB794510A (en) Improvements relating to high frequency heating equipment