FR755567A - Light discharge tubes and method of manufacture - Google Patents

Light discharge tubes and method of manufacture

Info

Publication number
FR755567A
FR755567A FR755567DA FR755567A FR 755567 A FR755567 A FR 755567A FR 755567D A FR755567D A FR 755567DA FR 755567 A FR755567 A FR 755567A
Authority
FR
France
Prior art keywords
manufacture
discharge tubes
light discharge
light
tubes
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR755567A publication Critical patent/FR755567A/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
FR755567D 1932-05-13 1933-05-13 Light discharge tubes and method of manufacture Expired FR755567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US611177A US1965588A (en) 1932-05-13 1932-05-13 Gaseous electric discharge device and method of producing the same

Publications (1)

Publication Number Publication Date
FR755567A true FR755567A (en) 1933-11-27

Family

ID=24447931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755567D Expired FR755567A (en) 1932-05-13 1933-05-13 Light discharge tubes and method of manufacture

Country Status (3)

Country Link
US (1) US1965588A (en)
FR (1) FR755567A (en)
GB (1) GB411669A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899257A (en) * 1959-08-11 Getter for electron discharge device
US2476616A (en) * 1943-11-08 1949-07-19 Westinghouse Electric Corp Low-power miniature fluorescent and/or glow lamp
US2623191A (en) * 1947-03-20 1952-12-23 Int Standard Electric Corp Electric discharge tube
US3238408A (en) * 1962-09-27 1966-03-01 Philip J Kayatt Flicker glow lamps
USD245110S (en) * 1975-12-03 1977-07-19 Moriyama Sangyo Kabushiki Kaisha Lamp
USD245187S (en) * 1975-12-03 1977-07-26 Hideo Moriyama Lamp or the like
US7234973B1 (en) 2006-03-23 2007-06-26 Shelly Mark E Lighting system having modified light bulb base and luminare socket for preventing the selection of an over wattage light bulb and method of forming same
CN107522174B (en) * 2017-08-09 2020-02-14 江苏理工学院 Method for preparing ternary molybdenum nitride nano material

Also Published As

Publication number Publication date
US1965588A (en) 1934-07-10
GB411669A (en) 1934-06-14

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