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
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

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—One or more circuit elements structurally associated with the lamp
    • H01K1/66—One or more circuit elements structurally associated with the lamp with built-in fuse
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-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
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Abstract

390,427. Flashlight lamps. SASHALITE, Ltd., 28, Victoria Street, London.-(Assignees of Hauser & Co., Ges. ; F9/12, Frauentorstrasse, Augsburg, Germany.) Sept. 28, 1932, No. 26977. Convention date, Oct. 7, 1931. [Class 75 (i).] In order to allow an electric flashlight bulb capable of being ignited by a 3 or 4 volt battery to be ignited from a house lighting circuit without blowing the lighting circuit fuse, one or more fuse wires 6 embedded in insulating material are arranged between the electrodes 7, 8 carrying the ignition wire and the metal socket 3 or baseplate 4 of the bulb.
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 (en)
FR (1) FR743514A (en)
GB (1) GB390427A (en)
NL (1) NL35645C (en)

Also Published As

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

Similar Documents

Publication Publication Date Title
GB390427A (en) Improvements in or relating to electric flash-light bulbs
Schroeder History of electric light
GB986606A (en) Garland with electric illumination
GB434404A (en) Improvements in electric incandescent lamps
US1449627A (en) Electric incandescent lamp
US1056683A (en) Electric safety-lantern.
GB484676A (en) Improvements in or relating to electric battery lamps or torches
Houston et al. Electric incandescent lighting
ES374169A1 (en) Electric incandescent lamp simulating a candle flame
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
GB417986A (en) Improvements in and relating to electric 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
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
GB718295A (en) Improvements in and relating to photo-flash and other lamp caps