FR689767A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR689767A
FR689767A FR689767DA FR689767A FR 689767 A FR689767 A FR 689767A FR 689767D A FR689767D A FR 689767DA FR 689767 A FR689767 A FR 689767A
Authority
FR
France
Prior art keywords
electric shock
shock devices
devices
electric
shock
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR689767A publication Critical patent/FR689767A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
FR689767D 1929-01-03 1930-01-03 Improvements to electric shock devices Expired FR689767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US689767XA 1929-01-03 1929-01-03

Publications (1)

Publication Number Publication Date
FR689767A true FR689767A (en) 1930-09-11

Family

ID=22085902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689767D Expired FR689767A (en) 1929-01-03 1930-01-03 Improvements to electric shock devices

Country Status (1)

Country Link
FR (1) FR689767A (en)

Similar Documents

Publication Publication Date Title
FR703219A (en) Improvements to filter devices
FR689767A (en) Improvements to electric shock devices
FR37013E (en) Improvements to electric shock devices
FR678302A (en) Improvements to vibratory devices
FR681367A (en) Improvements to electrolytic devices
FR36844E (en) Improvements to piezoelectric devices
FR39213E (en) Improvements to electric shock devices
FR704307A (en) Improvements to electric shock devices
FR718855A (en) Improvements to electric shock devices
FR703965A (en) Improvements to electric shock devices
FR695650A (en) Improvements to electric shock devices
FR687159A (en) Improvements to electric shock devices
FR35515E (en) Improvements to electric shock devices
FR696762A (en) Improvements to electro-acoustic devices
FR690510A (en) Improvements to electric discharge devices
FR38053E (en) Improvements to piezoelectric devices
FR689312A (en) Improvements to vulcanizing devices
FR697043A (en) Improvements to electrolytic devices
FR705463A (en) Improvements to radio-electric devices
FR646333A (en) Improvements to electric shock devices
FR679141A (en) Improvements to flying devices
FR667300A (en) Improvements to electric eclipse lighting devices
FR39240E (en) Improvements to electric shock devices
FR38890E (en) Improvements to electric shock devices
FR703070A (en) Improvements to hearing devices