FR736549A - Perfectionnements aux dispositifs photo-sensibles - Google Patents

Perfectionnements aux dispositifs photo-sensibles

Info

Publication number
FR736549A
FR736549A FR736549DA FR736549A FR 736549 A FR736549 A FR 736549A FR 736549D A FR736549D A FR 736549DA FR 736549 A FR736549 A FR 736549A
Authority
FR
France
Prior art keywords
photo
sensitive devices
sensitive
devices
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR736549A publication Critical patent/FR736549A/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
    • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
FR736549D 1931-05-04 1932-05-03 Perfectionnements aux dispositifs photo-sensibles Expired FR736549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US736549XA 1931-05-04 1931-05-04

Publications (1)

Publication Number Publication Date
FR736549A true FR736549A (fr) 1932-11-24

Family

ID=22114985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736549D Expired FR736549A (fr) 1931-05-04 1932-05-03 Perfectionnements aux dispositifs photo-sensibles

Country Status (1)

Country Link
FR (1) FR736549A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916065C (de) * 1934-09-04 1954-08-02 Emi Ltd Schaltungsanordnung zur Verstaerkung der von einer hochohmigen Spannungsquelle gelieferten Impulse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916065C (de) * 1934-09-04 1954-08-02 Emi Ltd Schaltungsanordnung zur Verstaerkung der von einer hochohmigen Spannungsquelle gelieferten Impulse

Similar Documents

Publication Publication Date Title
FR716954A (fr) Perfectionnements aux dispositifs thérapeutiques thermo-magnétigues
FR740160A (fr) Perfectionnements aux avertisseurs acoustiques
FR736135A (fr) Perfectionnements aux heurtoirs
FR736549A (fr) Perfectionnements aux dispositifs photo-sensibles
FR733838A (fr) Perfectionnements aux dispositifs photo-sensibles
FR746433A (fr) Perfectionnements aux dispositifs photo-sensibles
FR723552A (fr) Perfectionnements apportés aux bobinoirs
FR732361A (fr) Perfectionnements aux enseignes
FR715719A (fr) Perfectionnements apportés aux dispositifs obturateurs
FR733751A (fr) Perfectionnements aux dispositifs enregistreurs
FR40433E (fr) Perfectionnements apportés aux dispositifs de bobinage
FR44304E (fr) Perfectionnements aux dispositifs photo-sensibles
FR726169A (fr) Perfectionnements aux dispositifs de pilonnage
FR713707A (fr) Perfectionnements aux dispositifs de télévision
FR729516A (fr) Perfectionnements aux crics
FR716534A (fr) Perfectionnements aux dispositifs acoustiques
FR715507A (fr) Perfectionnements aux dispositifs indicateurs
FR711516A (fr) Perfectionnements aux modulateurs
FR719285A (fr) Perfectionnements aux bannetons
FR732899A (fr) Perfectionnements aux micro-téléphones
FR732335A (fr) Perfectionnements aux servo-freins
FR727937A (fr) Perfectionnements aux décavaillonneurs
FR718083A (fr) Perfectionnements aux soupapes-pistons
FR715992A (fr) Perfectionnements aux motocaméras
FR41670E (fr) Perfectionnements aux décavaillonneurs