FR658189A - Improvements to electronic discharge bulbs - Google Patents

Improvements to electronic discharge bulbs

Info

Publication number
FR658189A
FR658189A FR658189DA FR658189A FR 658189 A FR658189 A FR 658189A FR 658189D A FR658189D A FR 658189DA FR 658189 A FR658189 A FR 658189A
Authority
FR
France
Prior art keywords
electronic discharge
discharge bulbs
bulbs
electronic
discharge
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.)
Gaiffe Gallot Et Pilon SA Des
Original Assignee
Gaiffe Gallot Et Pilon SA Des
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 Gaiffe Gallot Et Pilon SA Des filed Critical Gaiffe Gallot Et Pilon SA Des
Application granted granted Critical
Publication of FR658189A publication Critical patent/FR658189A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
FR658189D 1927-12-07 1927-12-07 Improvements to electronic discharge bulbs Expired FR658189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR658189T 1927-12-07

Publications (1)

Publication Number Publication Date
FR658189A true FR658189A (en) 1929-05-31

Family

ID=9008926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR658189D Expired FR658189A (en) 1927-12-07 1927-12-07 Improvements to electronic discharge bulbs

Country Status (1)

Country Link
FR (1) FR658189A (en)

Similar Documents

Publication Publication Date Title
FR666222A (en) Improvements made to electronic discharge tubes
FR625153A (en) Improvements to electronic discharge tubes
FR691248A (en) Improvements to electronic discharge tubes
FR658189A (en) Improvements to electronic discharge bulbs
FR639046A (en) Compressor
FR40808E (en) Improvements to electronic discharge tubes
FR704615A (en) Improvements to electronic discharge tubes
FR619913A (en) Improvements to electronic discharge tubes
FR37338E (en) Improvements to electronic discharge tubes
FR659294A (en) Improvements to electronic discharge tubes
FR664744A (en) Improvements applicable to electronic discharge tubes
FR637302A (en) Improvements to thermionic bulbs
FR662368A (en) Improvements to light discharge devices
FR642567A (en) Improvements to electronic discharge tubes and lamps
FR653106A (en) Improvements to reflector signs
FR628938A (en) Luminous clock
FR647665A (en) Improvements to mercury vapor lamps
FR657426A (en) Improvements to metal vapor lamps
FR643373A (en) Metallic construction
FR627314A (en) Screwdriver
FR621478A (en) Improvements to electronic discharge tubes
FR624576A (en) Improvements to electronic discharge tubes
FR625154A (en) Improvements to electronic discharge tubes
FR660637A (en) Improvement in electronic lamps
FR653863A (en) Improvements to incandescent discharge lamps