FR791740A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR791740A
FR791740A FR791740DA FR791740A FR 791740 A FR791740 A FR 791740A FR 791740D A FR791740D A FR 791740DA FR 791740 A FR791740 A FR 791740A
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)
Inventor
Harold Akroyd
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 filed Critical
Application granted granted Critical
Publication of FR791740A publication Critical patent/FR791740A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
    • H01J17/491—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters
FR791740D 1934-06-29 1935-06-26 Improvements to electric shock devices Expired FR791740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB791740X 1934-06-29

Publications (1)

Publication Number Publication Date
FR791740A true FR791740A (en) 1935-12-16

Family

ID=10505255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791740D Expired FR791740A (en) 1934-06-29 1935-06-26 Improvements to electric shock devices

Country Status (1)

Country Link
FR (1) FR791740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246877B (en) * 1963-06-05 1967-08-10 Philips Nv High pressure gas discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246877B (en) * 1963-06-05 1967-08-10 Philips Nv High pressure gas discharge lamp

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