FR802492A - Perfectionnements aux cellules photo-sensibles - Google Patents

Perfectionnements aux cellules photo-sensibles

Info

Publication number
FR802492A
FR802492A FR802492DA FR802492A FR 802492 A FR802492 A FR 802492A FR 802492D A FR802492D A FR 802492DA FR 802492 A FR802492 A FR 802492A
Authority
FR
France
Prior art keywords
photo
sensitive cells
sensitive
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.)
Baird Television Ltd
Original Assignee
Baird Television Ltd
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 Baird Television Ltd filed Critical Baird Television Ltd
Application granted granted Critical
Publication of FR802492A publication Critical patent/FR802492A/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
    • H01J40/16—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell
    • H01J40/18—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell with luminescent coatings for influencing the sensitivity of the tube, e.g. by converting the input wavelength
FR802492D 1935-03-02 1936-02-29 Perfectionnements aux cellules photo-sensibles Expired FR802492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB802492X 1935-03-02

Publications (1)

Publication Number Publication Date
FR802492A true FR802492A (fr) 1936-09-05

Family

ID=10515145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802492D Expired FR802492A (fr) 1935-03-02 1936-02-29 Perfectionnements aux cellules photo-sensibles

Country Status (1)

Country Link
FR (1) FR802492A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740925C (de) * 1938-09-15 1943-10-30 Fernseh Gmbh Elektronenvervielfacher mit Photokathoden und Leuchtschirmen
DE746647C (de) * 1938-11-10 1944-08-16 Bosch Gmbh Robert Rueckkopplungsbegrenzung bei Fotozellen
FR2333342A1 (fr) * 1975-11-28 1977-06-24 Rca Corp Dispositif de decharge fluorescente a cathode froide pour l'affichage d'images

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740925C (de) * 1938-09-15 1943-10-30 Fernseh Gmbh Elektronenvervielfacher mit Photokathoden und Leuchtschirmen
DE746647C (de) * 1938-11-10 1944-08-16 Bosch Gmbh Robert Rueckkopplungsbegrenzung bei Fotozellen
FR2333342A1 (fr) * 1975-11-28 1977-06-24 Rca Corp Dispositif de decharge fluorescente a cathode froide pour l'affichage d'images

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