GB390427A - Improvements in or relating to electric flash-light bulbs - Google Patents

Improvements in or relating to electric flash-light bulbs

Info

Publication number
GB390427A
GB390427A GB26977/32A GB2697732A GB390427A GB 390427 A GB390427 A GB 390427A GB 26977/32 A GB26977/32 A GB 26977/32A GB 2697732 A GB2697732 A GB 2697732A GB 390427 A GB390427 A GB 390427A
Authority
GB
United Kingdom
Prior art keywords
relating
ignited
light bulbs
lighting circuit
electric flash
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
GB26977/32A
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.)
SASHALITE Ltd
Original Assignee
SASHALITE 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 SASHALITE Ltd filed Critical SASHALITE Ltd
Publication of GB390427A publication Critical patent/GB390427A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/62One or more circuit elements structurally associated with the lamp
    • H01K1/66One or more circuit elements structurally associated with the lamp with built-in fuse
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB26977/32A 1931-10-07 1932-09-28 Improvements in or relating to electric flash-light bulbs Expired GB390427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE390427X 1931-10-07

Publications (1)

Publication Number Publication Date
GB390427A true GB390427A (en) 1933-04-06

Family

ID=6373976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26977/32A Expired GB390427A (en) 1931-10-07 1932-09-28 Improvements in or relating to electric flash-light bulbs

Country Status (4)

Country Link
BE (1) BE391346A (enrdf_load_stackoverflow)
FR (1) FR743514A (enrdf_load_stackoverflow)
GB (1) GB390427A (enrdf_load_stackoverflow)
NL (1) NL35645C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL35645C (enrdf_load_stackoverflow)
FR743514A (enrdf_load_stackoverflow) 1933-04-01
BE391346A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US1930315A (en) Flash lamp
GB390427A (en) Improvements in or relating to electric flash-light bulbs
GB434404A (en) Improvements in electric incandescent lamps
US1449627A (en) Electric incandescent lamp
ES374169A1 (es) Perfeccionamientos en la construccion de lamparas electri- cas incandescencias.
US1056683A (en) Electric safety-lantern.
GB484676A (en) Improvements in or relating to electric battery lamps or torches
GB417986A (en) Improvements in and relating to electric lamps
GB439227A (en) Improvements in and relating to electric incandescent lamps
Houston et al. Electric incandescent lighting
GB249048A (en) Automatic shunt resistance for lamps or the like in series
GB354037A (en) Electric candle lamps
GB206773A (en) Improvements in or relating to electric incandescent lamps
GB398693A (en) Improvements in electric incandescent lamps
GB353653A (en) Improvements in torches
GB721494A (en) Electric incandescent lamp for short burning times
GB327033A (en) Improvements in miners' electric battery lamps
GB379090A (en) Improvements in or relating to thermionic valve holders
GB173218A (en) Improvements in or relating to electric incandescent lamps
GB392595A (en) Improvements in or relating to portable electric battery lamps
GB305581A (en) Contact-preventing devices for electric incandescent lamps
GB691650A (en) Low-voltage incandescent lamp, especially for christmas-tree illumination consistingof series-connected lamps
GB191026892A (en) Improved Means for Electrically Igniting Miners' Safety Lamps.
GB413404A (en) Improvements in holders for electric incandescent lamps
GB272653A (en) Improvements in or relating to incandescent electric lamp holders