FR739207A - Control assembly of luminescent tubes for television - Google Patents

Control assembly of luminescent tubes for television

Info

Publication number
FR739207A
FR739207A FR739207DA FR739207A FR 739207 A FR739207 A FR 739207A FR 739207D A FR739207D A FR 739207DA FR 739207 A FR739207 A FR 739207A
Authority
FR
France
Prior art keywords
television
control assembly
luminescent tubes
luminescent
tubes
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR739207A publication Critical patent/FR739207A/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
    • H05B41/18—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 a starting switch
    • H05B41/19—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 a starting switch for lamps having an auxiliary starting electrode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
FR739207D 1931-07-31 1932-06-28 Control assembly of luminescent tubes for television Expired FR739207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1931F0071552 DE692614C (en) 1931-07-31 1931-07-31 Circuit arrangement with light tubes with positive column for television purposes

Publications (1)

Publication Number Publication Date
FR739207A true FR739207A (en) 1933-01-06

Family

ID=25977802

Family Applications (3)

Application Number Title Priority Date Filing Date
FR735144D Expired FR735144A (en) 1931-07-31 1932-04-13 Mounting method for the operation of a positive column luminescent tube for television
FR739207D Expired FR739207A (en) 1931-07-31 1932-06-28 Control assembly of luminescent tubes for television
FR42047D Expired FR42047E (en) 1931-07-31 1932-07-11 Mounting method for the operation of a positive column luminescent tube for television

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR735144D Expired FR735144A (en) 1931-07-31 1932-04-13 Mounting method for the operation of a positive column luminescent tube for television

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR42047D Expired FR42047E (en) 1931-07-31 1932-07-11 Mounting method for the operation of a positive column luminescent tube for television

Country Status (4)

Country Link
US (1) US2026915A (en)
DE (1) DE692614C (en)
FR (3) FR735144A (en)
GB (1) GB386563A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615978A (en) * 1947-10-14 1952-10-28 Motorola Inc Pulse width separation filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615978A (en) * 1947-10-14 1952-10-28 Motorola Inc Pulse width separation filter

Also Published As

Publication number Publication date
FR735144A (en) 1932-11-02
DE692614C (en) 1940-06-22
GB386563A (en) 1933-01-19
US2026915A (en) 1936-01-07
FR42047E (en) 1933-05-04

Similar Documents

Publication Publication Date Title
FR824877A (en) Improvements to television installations
FR779862A (en) Braun tube refinements
FR774394A (en) Cathode ray tube
FR772911A (en) Improvements to television devices
FR776158A (en) Improvements to cathode ray tubes
FR808840A (en) Electronic ray tube for television
FR808993A (en) Level regulator assembly for television amplifiers
FR793794A (en) Improvements to cathode ray tubes for television or oscillography
FR739207A (en) Control assembly of luminescent tubes for television
FR780912A (en) Tube for television
FR45478E (en) Electron tube
FR823803A (en) Braun tube refinements
FR770769A (en) Cathode ray tube applicable to television installations
FR808566A (en) TV tube
FR808597A (en) TV tube
FR45110E (en) Cathode ray tube
FR780110A (en) Cathode ray tube
FR768962A (en) Improvements to cathode ray lamps
FR778196A (en) Assembly of rectifier tubes
FR804851A (en) Assembly for starting cathode ray oscillographs
FR771521A (en) Adjusting sleeve for tubes
FR823651A (en) Assembly for braun tubes
FR739208A (en) Brightness control of so-called braun tubes, especially for television
FR819669A (en) Braun tube enhancements for television
FR768415A (en) Improvements to television devices