GB542230A - Improvements in electric torches - Google Patents

Improvements in electric torches

Info

Publication number
GB542230A
GB542230A GB10967/40A GB1096740A GB542230A GB 542230 A GB542230 A GB 542230A GB 10967/40 A GB10967/40 A GB 10967/40A GB 1096740 A GB1096740 A GB 1096740A GB 542230 A GB542230 A GB 542230A
Authority
GB
United Kingdom
Prior art keywords
accumulator
lamp
electric torches
runbaken
comptroller
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
GB10967/40A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB10967/40A priority Critical patent/GB542230A/en
Publication of GB542230A publication Critical patent/GB542230A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

542,230. Battery lamps. RUNBAKEN, J. H. June 27, 1940, No. 10967. Drawings to Specification. [Class 39 (ii)] An electric torch or hand lamp comprises a lamp bulb, an accumulator, a transformer and a dry-contact rectifier, charging plugs and control switch, all within a casing constituting a selfcontained unit which when not used as a portable lamp can be plugged into the mains to recharge the accumulator. Specification 468,022 is referred to. Reference has been directed by the Comptroller to Specification 468,022.
GB10967/40A 1940-06-27 1940-06-27 Improvements in electric torches Expired GB542230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB10967/40A GB542230A (en) 1940-06-27 1940-06-27 Improvements in electric torches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10967/40A GB542230A (en) 1940-06-27 1940-06-27 Improvements in electric torches

Publications (1)

Publication Number Publication Date
GB542230A true GB542230A (en) 1941-12-31

Family

ID=9977598

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10967/40A Expired GB542230A (en) 1940-06-27 1940-06-27 Improvements in electric torches

Country Status (1)

Country Link
GB (1) GB542230A (en)

Similar Documents

Publication Publication Date Title
JPS5299671A (en) Light control device for discharge lamp
GB542230A (en) Improvements in electric torches
GB538673A (en) Improvements in electric lighting installations
GB1372646A (en) Electric hand lamp devices such as hand torches and opthalmoscopes
FR2381238A1 (en) Portable electric lamp for office use - has transformer to charge battery which forms power source in case of mains failure
CA386816A (en) Portable electric lamp
GB528076A (en) Improvements in electric battery lamps of the safety or like types
CA390101A (en) Portable electric head lamp
AU112722B2 (en) Improvements in or relating to portable electric lamps
AU112721B2 (en) Improvements in or relating to portable electric lamps
AU213840A (en) Improvements in or relating to portable electric lamps
CA392295A (en) Gaseous electric discharge lamp device
AU119699B2 (en) Improvement in electric lamp sockets
CA394767A (en) Portable power unit
JPS5419575A (en) Power source unit for flash lamp
CA398528A (en) Electric furnace current supply device
CA388718A (en) Electric flashlight
CA388655A (en) Electric socket
CA391366A (en) Portable electric drill
GB536613A (en) Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor
AU112178B2 (en) Improvements in electric incandescent flash lamps
AU112051B2 (en) Improvements in electric discharge lamps
AU116182B2 (en) Improvements in electric torches
AU114965B2 (en) Improved switch construction for electric flashlights, hand lamps andthe like
CA395200A (en) Electric power transformer