FR888251A - Space discharge devices - Google Patents

Space discharge devices

Info

Publication number
FR888251A
FR888251A FR888251DA FR888251A FR 888251 A FR888251 A FR 888251A FR 888251D A FR888251D A FR 888251DA FR 888251 A FR888251 A FR 888251A
Authority
FR
France
Prior art keywords
discharge devices
space discharge
space
devices
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR888251A publication Critical patent/FR888251A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
FR888251D 1941-01-25 1942-02-16 Space discharge devices Expired FR888251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US375892A US2303174A (en) 1941-01-25 1941-01-25 Photoelectric tube

Publications (1)

Publication Number Publication Date
FR888251A true FR888251A (en) 1943-12-08

Family

ID=23482797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888251D Expired FR888251A (en) 1941-01-25 1942-02-16 Space discharge devices

Country Status (2)

Country Link
US (1) US2303174A (en)
FR (1) FR888251A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830215A (en) * 1955-10-18 1958-04-08 Rca Corp Getter structure for electron tube

Also Published As

Publication number Publication date
US2303174A (en) 1942-11-24

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