FR1142181A - Perfectionnements apportés aux dispositifs électroluminescents - Google Patents

Perfectionnements apportés aux dispositifs électroluminescents

Info

Publication number
FR1142181A
FR1142181A FR1142181DA FR1142181A FR 1142181 A FR1142181 A FR 1142181A FR 1142181D A FR1142181D A FR 1142181DA FR 1142181 A FR1142181 A FR 1142181A
Authority
FR
France
Prior art keywords
electroluminescent devices
electroluminescent
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.)
Ferguson Radio Corp Ltd
Original Assignee
Ferguson Radio Corp 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 Ferguson Radio Corp Ltd filed Critical Ferguson Radio Corp Ltd
Application granted granted Critical
Publication of FR1142181A publication Critical patent/FR1142181A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B44/00—Circuit arrangements for operating electroluminescent light sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR1142181D 1955-03-01 1956-02-28 Perfectionnements apportés aux dispositifs électroluminescents Expired FR1142181A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1142181X 1955-03-01

Publications (1)

Publication Number Publication Date
FR1142181A true FR1142181A (fr) 1957-09-13

Family

ID=10877261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142181D Expired FR1142181A (fr) 1955-03-01 1956-02-28 Perfectionnements apportés aux dispositifs électroluminescents

Country Status (1)

Country Link
FR (1) FR1142181A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026440A (en) * 1959-12-18 1962-03-20 Westinghouse Electric Corp Control circuit for electroluminescent cell
DE1279173B (de) * 1958-07-26 1968-10-03 Philips Nv Schaltungsanordnung zur Wechselstromspeisung einer mit einer Drosselspule in Reihe geschalteten ohmschen Last aus einer Gleichspannungsquelle ueber einen Wechselrichter mit Transistoren
US3461346A (en) * 1966-12-27 1969-08-12 Leslie G Lilly Portable transistorized electro-luminescent night light

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279173B (de) * 1958-07-26 1968-10-03 Philips Nv Schaltungsanordnung zur Wechselstromspeisung einer mit einer Drosselspule in Reihe geschalteten ohmschen Last aus einer Gleichspannungsquelle ueber einen Wechselrichter mit Transistoren
US3026440A (en) * 1959-12-18 1962-03-20 Westinghouse Electric Corp Control circuit for electroluminescent cell
US3461346A (en) * 1966-12-27 1969-08-12 Leslie G Lilly Portable transistorized electro-luminescent night light

Similar Documents

Publication Publication Date Title
FR68080E (fr) Perfectionnements aux dispositifs de proximité
FR1155743A (fr) Perfectionnements aux transistors
FR1138768A (fr) Perfectionnements aux photoélasticimètres
FR1141377A (fr) Perfectionnements aux germoirs
FR1127947A (fr) Perfectionnements aux rétinographes
FR1152648A (fr) Perfectionnements aux dispositifs électromagnétiques
FR1142181A (fr) Perfectionnements apportés aux dispositifs électroluminescents
FR1150740A (fr) Perfectionnements apportés aux réacteurs-bouilleurs
FR1078564A (fr) Perfectionnements apportés aux dispositifs oléopneumatiques
FR1129317A (fr) Perfectionnements aux dégorgeoirs
FR1129189A (fr) Perfectionnements aux dispositifs électromagnétiques
FR1130578A (fr) Perfectionnements aux dispositifs de combustion
FR1143341A (fr) Dispositifs électroluminescents
FR1159815A (fr) Perfectionnements aux circuits en t
FR1158069A (fr) Perfectionnements aux dispositifs de projection de vues
FR1134202A (fr) Perfectionnements aux dispositifs télémétriques de proximité
FR1153214A (fr) Perfectionnements apportés aux dispositifs de combustion
FR1127984A (fr) Perfectionnements aux dispositifs contacteurs
FR1130772A (fr) Perfectionnements aux dispositifs de bouchage
FR1129131A (fr) Perfectionnements aux dispositifs clignoteurs
FR1145959A (fr) Perfectionnements apportés aux dispositifs animés
FR1125736A (fr) Perfectionnements aux cardioscopes
FR1124190A (fr) Perfectionnements aux stato-réacteurs
FR1139823A (fr) Perfectionnements aux dispositifs de casiers
FR1141509A (fr) Perfectionnements aux dispositifs de guidage