FR38057E - Perfectionnements apportés aux cellules photoélectriques - Google Patents

Perfectionnements apportés aux cellules photoélectriques

Info

Publication number
FR38057E
FR38057E FR38057DA FR38057E FR 38057 E FR38057 E FR 38057E FR 38057D A FR38057D A FR 38057DA FR 38057 E FR38057 E FR 38057E
Authority
FR
France
Prior art keywords
photoelectric cells
photoelectric
cells
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
English (en)
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
Priority claimed from US308715A external-priority patent/US1843728A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR38057E publication Critical patent/FR38057E/fr
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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • A47B81/06—Furniture aspects of radio, television, gramophone, or record cabinets
    • A47B81/067—Record cabinets
    • 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
    • H01J40/06—Photo-emissive cathodes
FR38057D 1928-03-27 1929-09-27 Perfectionnements apportés aux cellules photoélectriques Expired FR38057E (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU1840728X 1928-03-27
US319734XA 1928-09-27 1928-09-27
US308715A US1843728A (en) 1928-09-27 1928-09-27 Photo-electric tube

Publications (1)

Publication Number Publication Date
FR38057E true FR38057E (fr) 1931-03-19

Family

ID=27158331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38057D Expired FR38057E (fr) 1928-03-27 1929-09-27 Perfectionnements apportés aux cellules photoélectriques

Country Status (2)

Country Link
US (1) US1840728A (fr)
FR (1) FR38057E (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539647A (en) * 1945-12-21 1951-01-30 George Albert Wagner Record selecting and ejecting device
US2488532A (en) * 1946-06-05 1949-11-22 United Shoe Machinery Corp Machine for use in attaching soles to shoes
US3216773A (en) * 1963-04-30 1965-11-09 Martin Joseph Phonograph record rack and selector
US4695103A (en) * 1986-04-28 1987-09-22 Continental Molding Corporation Diskette holder

Also Published As

Publication number Publication date
US1840728A (en) 1932-01-12

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