FR945990A - Improvement in the initiation and operation of discharge tubes and similar apparatus - Google Patents

Improvement in the initiation and operation of discharge tubes and similar apparatus

Info

Publication number
FR945990A
FR945990A FR945990DA FR945990A FR 945990 A FR945990 A FR 945990A FR 945990D A FR945990D A FR 945990DA FR 945990 A FR945990 A FR 945990A
Authority
FR
France
Prior art keywords
initiation
improvement
discharge tubes
similar apparatus
similar
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR945990A publication Critical patent/FR945990A/en
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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
FR945990D 1942-01-22 1947-04-30 Improvement in the initiation and operation of discharge tubes and similar apparatus Expired FR945990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US945990XA 1942-01-22 1942-01-22

Publications (1)

Publication Number Publication Date
FR945990A true FR945990A (en) 1949-05-19

Family

ID=22246086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945990D Expired FR945990A (en) 1942-01-22 1947-04-30 Improvement in the initiation and operation of discharge tubes and similar apparatus

Country Status (1)

Country Link
FR (1) FR945990A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965591C (en) * 1952-02-01 1957-06-13 Siemens Ag Brightness control circuit for fluorescent lamps
DE1015139B (en) * 1952-05-21 1957-09-05 Licentia Gmbh Method for generating steep voltage peaks, in particular for terminating discharge paths
DE1064634B (en) * 1952-03-24 1959-09-03 Siemens Ag Switching arrangement for controlling the brightness of low-voltage fluorescent lamps
DE1095395B (en) * 1954-01-26 1960-12-22 Wilfried Fritzsche Dipl Ing Arrangement for brightness control of gas discharge lamps
DE1104061B (en) * 1956-11-09 1961-04-06 Licentia Gmbh Arrangement to improve the ignition of fluorescent lamps controlled by phase control
DE1108803B (en) * 1957-01-08 1961-06-15 Reich Robert W Electron flash device
EP0027764A1 (en) * 1979-10-23 1981-04-29 Spie-Batignolles Method and device for enhancing ionization in gas discharge tubes, and lighting installation relating thereto
FR2468276A1 (en) * 1979-10-23 1981-04-30 Spie Batignolles Low-pressure AC discharge lamp starting process - involving initial voltage boost and abrupt reversion to arc voltage

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965591C (en) * 1952-02-01 1957-06-13 Siemens Ag Brightness control circuit for fluorescent lamps
DE1064634B (en) * 1952-03-24 1959-09-03 Siemens Ag Switching arrangement for controlling the brightness of low-voltage fluorescent lamps
DE1015139B (en) * 1952-05-21 1957-09-05 Licentia Gmbh Method for generating steep voltage peaks, in particular for terminating discharge paths
DE1095395B (en) * 1954-01-26 1960-12-22 Wilfried Fritzsche Dipl Ing Arrangement for brightness control of gas discharge lamps
DE1104061B (en) * 1956-11-09 1961-04-06 Licentia Gmbh Arrangement to improve the ignition of fluorescent lamps controlled by phase control
DE1108803B (en) * 1957-01-08 1961-06-15 Reich Robert W Electron flash device
EP0027764A1 (en) * 1979-10-23 1981-04-29 Spie-Batignolles Method and device for enhancing ionization in gas discharge tubes, and lighting installation relating thereto
FR2468276A1 (en) * 1979-10-23 1981-04-30 Spie Batignolles Low-pressure AC discharge lamp starting process - involving initial voltage boost and abrupt reversion to arc voltage

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