BE479036A - - Google Patents

Info

Publication number
BE479036A
BE479036A BE479036DA BE479036A BE 479036 A BE479036 A BE 479036A BE 479036D A BE479036D A BE 479036DA BE 479036 A BE479036 A BE 479036A
Authority
BE
Belgium
Prior art keywords
tube
electrodes
fluorescent
tubes
electrode
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE479036A publication Critical patent/BE479036A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/067Main electrodes for low-pressure discharge lamps
    • H01J61/0675Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/70Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Landscapes

  • Discharge Lamp (AREA)
BE479036D BE479036A (cs)

Publications (1)

Publication Number Publication Date
BE479036A true BE479036A (cs)

Family

ID=126637

Family Applications (1)

Application Number Title Priority Date Filing Date
BE479036D BE479036A (cs)

Country Status (1)

Country Link
BE (1) BE479036A (cs)

Similar Documents

Publication Publication Date Title
US2262177A (en) Lighting and radiating tube
JP2003257362A (ja) 瞬時始動回路の蛍光灯電極
FR2468203A1 (fr) Appareil a decharge electrique a cathode creuse
JP2005044810A (ja) 瞬時始動回路及び急速始動回路用の蛍光ランプ電極
BE479036A (cs)
CH642483A5 (fr) Dispositif d&#39;eclairage.
JP2007287563A (ja) フラッシュランプ及びフラッシュランプ点灯装置
FR2482781A1 (fr) Dispositif a lampe a decharge comprenant deux groupes d&#39;electrodes places dans un tube
BE405560A (cs)
BE371416A (cs)
BE431058A (cs)
JP2000285863A (ja) 低圧放電灯
JP3474657B2 (ja) 蛍光放電灯
BE519152A (cs)
JPH02236947A (ja) 始動のための白熱フィラメントを持つ高圧力放電ランプ
BE363097A (cs)
FR2485260A1 (fr) Lampe a decharge a halogenures metalliques perfectionnee
BE416300A (cs)
BE519339A (cs)
BE362141A (cs)
BE488232A (cs)
BE385341A (cs)
CH180801A (fr) Dispositif à décharge électrique à courant alternatif.
FR2815172A1 (fr) Lampe sans mercure a cathodes creuses froides a luminescence fluorescence pour eclairage colore decoratif ou enseignes lumineuses
JPH05334990A (ja) ホロー電極形低圧放電灯およびこれを用いた表示装置ならびに光学読取り装置