FR523151A - Improvements to thermionic devices - Google Patents

Improvements to thermionic devices

Info

Publication number
FR523151A
FR523151A FR523151A FR523151DA FR523151A FR 523151 A FR523151 A FR 523151A FR 523151 A FR523151 A FR 523151A FR 523151D A FR523151D A FR 523151DA FR 523151 A FR523151 A FR 523151A
Authority
FR
France
Prior art keywords
thermionic devices
thermionic
devices
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
FR523151A
Other languages
French (fr)
Inventor
John Scott-Taggart
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR523151A publication Critical patent/FR523151A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
FR523151A 1919-09-08 1920-08-28 Improvements to thermionic devices Expired FR523151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB523151X 1919-09-08

Publications (1)

Publication Number Publication Date
FR523151A true FR523151A (en) 1921-08-13

Family

ID=10463477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523151A Expired FR523151A (en) 1919-09-08 1920-08-28 Improvements to thermionic devices

Country Status (1)

Country Link
FR (1) FR523151A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8967694B2 (en) 2011-11-11 2015-03-03 Norco Industries, Inc. Slide out drive assembly for enclosure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8967694B2 (en) 2011-11-11 2015-03-03 Norco Industries, Inc. Slide out drive assembly for enclosure
US9556940B2 (en) 2011-11-11 2017-01-31 Norco Industries, Inc. Slide out drive assembly for enclosure

Similar Documents

Publication Publication Date Title
FR538414A (en) Improvements to parachutes
FR523151A (en) Improvements to thermionic devices
FR503590A (en) Improvements to atmospheric condensers
FR506527A (en) Improvements to cranes
FR520894A (en) Improvements to thermostatic devices
FR518075A (en) Improvements to amplifying devices
FR529722A (en) Improvements to vibrator devices
FR511814A (en) Improvements to telephone transmitters
FR518905A (en) Improvements to traction devices
FR520890A (en) Improvements to carburettor devices
FR525413A (en) Improvements to cutting devices
FR528196A (en) Improvements to cinematographs
FR530216A (en) Improvements to gyroscopic devices
FR544667A (en) Improvements to pumping devices
FR574191A (en) Improvements to radio-receiver devices
FR523126A (en) Improvements to protective devices
FR501674A (en) Improvements to manometers
FR516832A (en) Improvements to manometers
FR551492A (en) Improvements to piezoelectric devices
FR21343E (en) Improvements made to electrical connection devices
FR504290A (en) Improvements to constructions
FR570413A (en) Improvements to thermionic devices
FR569581A (en) Improvements to thermionic devices
FR513197A (en) Improvements to sphygmomanometric devices
FR506507A (en) Improvements to hydro-aeronautical devices