GB547906A - Improvements in and relating to lighting units or projectors - Google Patents

Improvements in and relating to lighting units or projectors

Info

Publication number
GB547906A
GB547906A GB16283/40A GB1628340A GB547906A GB 547906 A GB547906 A GB 547906A GB 16283/40 A GB16283/40 A GB 16283/40A GB 1628340 A GB1628340 A GB 1628340A GB 547906 A GB547906 A GB 547906A
Authority
GB
United Kingdom
Prior art keywords
projectors
relating
lighting units
comptroller
windsor
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
GB16283/40A
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.)
IVOR MAX HEALD
Original Assignee
IVOR MAX HEALD
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 IVOR MAX HEALD filed Critical IVOR MAX HEALD
Priority to GB16283/40A priority Critical patent/GB547906A/en
Publication of GB547906A publication Critical patent/GB547906A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/24Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
    • B60Q1/245Searchlights, e.g. adjustable from within the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

547,906. Spotlights &c. HEALD, I. M., and BOWEN, E. WINDSOR-. Nov. 9, 1940, No. 16283. [Class 75 (ii)] A spotlight &c. comprises a parabolic reflector 2 at the focus of which is an electric lamp 1 in front of which is a concentric spherical reflector 6 having an aperture 5 in front of which is a lens 8. Reference has been directed by the Comptroller to Specification 534,814.
GB16283/40A 1940-11-09 1940-11-09 Improvements in and relating to lighting units or projectors Expired GB547906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB16283/40A GB547906A (en) 1940-11-09 1940-11-09 Improvements in and relating to lighting units or projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16283/40A GB547906A (en) 1940-11-09 1940-11-09 Improvements in and relating to lighting units or projectors

Publications (1)

Publication Number Publication Date
GB547906A true GB547906A (en) 1942-09-17

Family

ID=10074524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16283/40A Expired GB547906A (en) 1940-11-09 1940-11-09 Improvements in and relating to lighting units or projectors

Country Status (1)

Country Link
GB (1) GB547906A (en)

Similar Documents

Publication Publication Date Title
GB547906A (en) Improvements in and relating to lighting units or projectors
GB516361A (en) Improvements in or relating to lighting fittings
US1631632A (en) Lighting unit
GB460122A (en) Improvements in lamp reflectors
GB509143A (en) Improvements in or relating to shades for lamps and other apparatus
ES4963U (en) Improved lamp (Machine-translation by Google Translate, not legally binding)
GB467411A (en) Improvements in or relating to lamps for shop window illumination
GB561540A (en) Improvements in and relating to luminairs
GB514936A (en) An improved light projecting system
FR929289A (en) Incandescent projection lamp with reflector
GB428387A (en) Improvements relating to the projection of light
GB510593A (en) Improvements in and relating to the projection of light, more particularly by the use of alternating current arcs
GB283029A (en) Improvements in and relating to traffic signals
GB518217A (en) Improvements in and relating to electric lighting fittings
CA361304A (en) Lamp reflector and lens
GB587884A (en) Improvements in or relating to glare or dazzle preventing devices
GB535445A (en) Improvements in or relating to lighting fittings for use with tubular fluorescent discharge lamps and the like
GB477758A (en) Improvements in and relating to electric incandescent lamps
GB516522A (en) Improvements in or relating to indirect lighting fittings
GB201956A (en) Improvements in or relating to lamps for motor cars, illuminating photographic studios, theatre spot lights, search lights, lighthouses and the like
GB129258A (en) Improvements in & relating to Signalling Apparatus for use with Lighthouses & for similar purposes.
ES10090U (en) Lantern of public lighting, at the same time announcer. (Machine-translation by Google Translate, not legally binding)
GB471076A (en) Improved lamp more particularly adapted as a forehead-lamp for doctors' use
ES474U (en) Portable electric device. (Machine-translation by Google Translate, not legally binding)
GB511967A (en) Improvements in or relating to episcopes