FR581147A - Process for generating an emission of secondary electrons in discharge tubes and discharge tubes more particularly intended for carrying out this process - Google Patents

Process for generating an emission of secondary electrons in discharge tubes and discharge tubes more particularly intended for carrying out this process

Info

Publication number
FR581147A
FR581147A FR581147DA FR581147A FR 581147 A FR581147 A FR 581147A FR 581147D A FR581147D A FR 581147DA FR 581147 A FR581147 A FR 581147A
Authority
FR
France
Prior art keywords
discharge tubes
emission
generating
carrying
secondary electrons
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR581147A publication Critical patent/FR581147A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/04—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being vacuum tube
FR581147D 1923-04-11 1924-04-07 Process for generating an emission of secondary electrons in discharge tubes and discharge tubes more particularly intended for carrying out this process Expired FR581147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL581147X 1923-04-11

Publications (1)

Publication Number Publication Date
FR581147A true FR581147A (en) 1924-11-22

Family

ID=19787589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR581147D Expired FR581147A (en) 1923-04-11 1924-04-07 Process for generating an emission of secondary electrons in discharge tubes and discharge tubes more particularly intended for carrying out this process

Country Status (1)

Country Link
FR (1) FR581147A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2413343A1 (en) * 2010-07-26 2012-02-01 Hans W.P. Dr. Koops Device for generating THz radiation with free electron beams

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2413343A1 (en) * 2010-07-26 2012-02-01 Hans W.P. Dr. Koops Device for generating THz radiation with free electron beams
WO2012013658A1 (en) 2010-07-26 2012-02-02 Koops Hans W P Device for generating thz radiation with free electron beams
US8648319B2 (en) 2010-07-26 2014-02-11 Hans W. P. Koops Device for generating THz radiation with free electron beams

Similar Documents

Publication Publication Date Title
FR581147A (en) Process for generating an emission of secondary electrons in discharge tubes and discharge tubes more particularly intended for carrying out this process
FR609190A (en) Process for applying to the inner wall of the discharge tubes a coating intended to act as an electrode, and discharge tube comprising one or more electrodes obtained by this process
FR720506A (en) Method of construction of electrodes for amplifier tubes using glow discharge
FR901951A (en) Discharge tube with secondary emission electrode
FR41948E (en) Indirectly heated incandescent cathode for discharge tubes
FR830828A (en) High voltage discharge tube
FR587096A (en) Incandescent cathode discharge tube
CA257042A (en) Process of generating an emission of secondary electrons in discharge tubes
FR556813A (en) New process and apparatus for the manufacture of metal tubes
FR695943A (en) Improvements to discharge tubes for detection, amplification and generation of electrical oscillations
FR764126A (en) Oxide Cathode Discharge Tube
FR579100A (en) Incandescent cathode discharge tube
FR573663A (en) Incandescent cathode discharge tube
FR564167A (en) natural graphite-based electrode and process for its manufacture
FR47818E (en) ignition electrodes for liquid cathode discharge tubes
FR721651A (en) Detachable junction device particularly applicable to jackets for coolant of discharge tubes
FR787049A (en) Process for treating electrodes for discharge tubes and the like
FR48265E (en) ignition electrodes for liquid cathode discharge tubes
FR48343E (en) ignition electrodes for liquid cathode discharge tubes
FR605972A (en) Process for obtaining chemically pure coatings for electrodes of vacuum tubes and in particular of mercury vapor rectifiers
FR661813A (en) High emissivity cathode for electron emission vacuum tube
FR783324A (en) High voltage discharge tube
FR637748A (en) High emission rectifier tube
FR819454A (en) Electric discharge chamber, preferably small metal-shelled electron tube and method of making
FR50244E (en) ignition electrodes for liquid cathode discharge tubes