GB467411A - Improvements in or relating to lamps for shop window illumination - Google Patents

Improvements in or relating to lamps for shop window illumination

Info

Publication number
GB467411A
GB467411A GB3428435A GB3428435A GB467411A GB 467411 A GB467411 A GB 467411A GB 3428435 A GB3428435 A GB 3428435A GB 3428435 A GB3428435 A GB 3428435A GB 467411 A GB467411 A GB 467411A
Authority
GB
United Kingdom
Prior art keywords
lamps
relating
trough
shop window
window illumination
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
GB3428435A
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.)
BETSY ELLEN HYMAN
LOUIS HYMAN
Original Assignee
BETSY ELLEN HYMAN
LOUIS HYMAN
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 BETSY ELLEN HYMAN, LOUIS HYMAN filed Critical BETSY ELLEN HYMAN
Priority to GB3428435A priority Critical patent/GB467411A/en
Publication of GB467411A publication Critical patent/GB467411A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

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

Abstract

467,411. Trough - shaped reflectors. HYMAN, L., OUGHTON, W. E., and HYMAN, B. E. Dec. 11, 1935, No. 34284. [Classes 75 (ii) and 75 (iv)] In order to provide ventilation and at the same time to preserve continuity of reflection, trough-shaped reflectors are made with central apertures covered by additional reflectors 6. In a modification, the reflector 6 is half in and half outside the trough.
GB3428435A 1935-12-11 1935-12-11 Improvements in or relating to lamps for shop window illumination Expired GB467411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3428435A GB467411A (en) 1935-12-11 1935-12-11 Improvements in or relating to lamps for shop window illumination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3428435A GB467411A (en) 1935-12-11 1935-12-11 Improvements in or relating to lamps for shop window illumination

Publications (1)

Publication Number Publication Date
GB467411A true GB467411A (en) 1937-06-11

Family

ID=10363699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3428435A Expired GB467411A (en) 1935-12-11 1935-12-11 Improvements in or relating to lamps for shop window illumination

Country Status (1)

Country Link
GB (1) GB467411A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523394A (en) * 1944-07-25 1950-09-26 Holophane Co Inc Direct lighting luminaire
GB2315850A (en) * 1996-08-02 1998-02-11 Spectral Technology Limited Elongate lamp for curing coatings
EP2693126A3 (en) * 2012-08-02 2014-08-20 Andrzej Wronski Ventilation system for radiant heater, in particular with an infrared tube emitter, and a radiant heater with such a system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523394A (en) * 1944-07-25 1950-09-26 Holophane Co Inc Direct lighting luminaire
GB2315850A (en) * 1996-08-02 1998-02-11 Spectral Technology Limited Elongate lamp for curing coatings
US5973331A (en) * 1996-08-02 1999-10-26 Nordson Corporation Lamp assembly
GB2315850B (en) * 1996-08-02 2000-10-04 Spectral Technology Limited Lamp assembly
EP2693126A3 (en) * 2012-08-02 2014-08-20 Andrzej Wronski Ventilation system for radiant heater, in particular with an infrared tube emitter, and a radiant heater with such a system

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