GB725761A - Improvements in or relating to discharge lamps - Google Patents

Improvements in or relating to discharge lamps

Info

Publication number
GB725761A
GB725761A GB17010/53A GB1701053A GB725761A GB 725761 A GB725761 A GB 725761A GB 17010/53 A GB17010/53 A GB 17010/53A GB 1701053 A GB1701053 A GB 1701053A GB 725761 A GB725761 A GB 725761A
Authority
GB
United Kingdom
Prior art keywords
mms
discharge tube
turns
bulb
coil
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
GB17010/53A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB725761A publication Critical patent/GB725761A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/80—Lamps suitable only for intermittent operation, e.g. flash lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB17010/53A 1952-06-23 1953-06-19 Improvements in or relating to discharge lamps Expired GB725761A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL725761X 1952-06-23

Publications (1)

Publication Number Publication Date
GB725761A true GB725761A (en) 1955-03-09

Family

ID=19817805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17010/53A Expired GB725761A (en) 1952-06-23 1953-06-19 Improvements in or relating to discharge lamps

Country Status (6)

Country Link
US (1) US2794141A (US06397114-20020528-M00001.png)
BE (1) BE520901A (US06397114-20020528-M00001.png)
DE (1) DE940922C (US06397114-20020528-M00001.png)
FR (1) FR1079488A (US06397114-20020528-M00001.png)
GB (1) GB725761A (US06397114-20020528-M00001.png)
NL (2) NL170526C (US06397114-20020528-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009408A (en) * 1974-12-16 1977-02-22 Itt Industries, Inc. High-pressure sodium-vapor discharge lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2399222A (en) * 1941-11-08 1946-04-30 Germeshausen Kenneth Joseph Flash-photography apparatus
US2650321A (en) * 1946-12-18 1953-08-25 Gen Electric Lamp unit and support structure therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009408A (en) * 1974-12-16 1977-02-22 Itt Industries, Inc. High-pressure sodium-vapor discharge lamp

Also Published As

Publication number Publication date
DE940922C (de) 1956-03-29
NL170526C (nl)
FR1079488A (fr) 1954-11-30
NL80734C (US06397114-20020528-M00001.png)
BE520901A (US06397114-20020528-M00001.png)
US2794141A (en) 1957-05-28

Similar Documents

Publication Publication Date Title
US2291926A (en) Source of visual and ultra violet radiation
ES348283A1 (es) Mejoras en la fabricacion de lamparas electricas incandes- centes.
US2042963A (en) Ultraviolet lamp
US2273960A (en) Fluorescent lamp
US1981903A (en) Luminescent gas lighting apparatus
US3225247A (en) Incandescent lamp
GB725761A (en) Improvements in or relating to discharge lamps
US2152997A (en) Gaseous electric discharge lamp
GB960149A (en) An electric incandescent lamp
US2831152A (en) Electronic flash lamps
US2171580A (en) Electric lamp
US2739261A (en) Tubular gas discharge lamp
GB639604A (en) Improvements in and relating to electric incandescent lamps
US2709767A (en) Electric discharge device
US1935440A (en) Gaseous beacon lamp
GB689452A (en) Improvements in and relating to electric discharge lamps having double spiral convolutions
US2524455A (en) Mount assembly for sun lamps
GB370338A (en) Improvements in luminous electric discharge tubes
US1935702A (en) Gaseous electric discharge lamp device
US1600563A (en) Incandescent electric lamp
US2838713A (en) Light source including an arc tube
JPS5753059A (en) High pressure sodium vapor lamp
US2825000A (en) Photographic light unit
US2691120A (en) Ionizing flash lamp
GB948859A (en) Improvements in and relating to incandescent lamps