FR697652A - Improvements to photoelectric cells - Google Patents

Improvements to photoelectric cells

Info

Publication number
FR697652A
FR697652A FR697652DA FR697652A FR 697652 A FR697652 A FR 697652A FR 697652D A FR697652D A FR 697652DA FR 697652 A FR697652 A FR 697652A
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
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc 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 Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SA filed Critical Rhone Poulenc SA
Application granted granted Critical
Publication of FR697652A publication Critical patent/FR697652A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/16—Electrode arrangements using essentially one dynode
FR697652D 1929-07-12 1930-06-19 Improvements to photoelectric cells Expired FR697652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB697652X 1929-07-12

Publications (1)

Publication Number Publication Date
FR697652A true FR697652A (en) 1931-01-21

Family

ID=10493532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697652D Expired FR697652A (en) 1929-07-12 1930-06-19 Improvements to photoelectric cells

Country Status (2)

Country Link
FR (1) FR697652A (en)
NL (1) NL33722C (en)

Also Published As

Publication number Publication date
NL33722C (en)

Similar Documents

Publication Publication Date Title
FR690673A (en) Improvements to photoelectric cells
FR38057E (en) Improvements to photoelectric cells
FR698780A (en) Improvements to accumulators
FR700897A (en) Improvements to photoelectric cameras
FR719842A (en) Improvements to photoelectric cells
FR697652A (en) Improvements to photoelectric cells
FR695103A (en) Improvements to photoelectric cells
FR695104A (en) Improvements to photoelectric cells
FR696548A (en) Improvements to photoelectric cells
FR698335A (en) Improvements to photoelectric cells
FR668997A (en) Improvements to photoelectric cells
FR681623A (en) Improvements to photoelectric cells
FR726278A (en) Improvements to photoelectric cells
FR718972A (en) Improvements to photoelectric cells
FR712542A (en) Improvements to photoelectric cells
FR667963A (en) Improvements to photoelectric cells
FR683107A (en) Improvements relating to photoelectric cells
FR681397A (en) Improvements relating to photoelectric cells
FR705260A (en) Photoelectric cell
FR700606A (en) Photoelectric cell
FR724351A (en) Improvements to electrolyte cells
FR714381A (en) Improvements to photoelectric cells
FR727455A (en) Improvements to photoelectric cells
FR717354A (en) Improvements to photoelectric cells
FR693396A (en) Photoelectric cells