GB346239A - - Google Patents

Info

Publication number
GB346239A
GB346239A GB21438/30A GB2143830A GB346239A GB 346239 A GB346239 A GB 346239A GB 21438/30 A GB21438/30 A GB 21438/30A GB 2143830 A GB2143830 A GB 2143830A GB 346239 A GB346239 A GB 346239A
Authority
GB
United Kingdom
Prior art keywords
reflector
portions
july
different angles
slightly different
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
GB21438/30A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB346239A publication Critical patent/GB346239A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/09Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aerials With Secondary Devices (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
GB21438/30A 1929-07-16 1930-07-15 Expired GB346239A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE346239T 1929-07-16

Publications (1)

Publication Number Publication Date
GB346239A true GB346239A (enrdf_load_stackoverflow) 1931-04-09

Family

ID=31895179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21438/30A Expired GB346239A (enrdf_load_stackoverflow) 1929-07-16 1930-07-15

Country Status (1)

Country Link
GB (1) GB346239A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB346239A (enrdf_load_stackoverflow)
US2080337A (en) Decorated glass, mirror, and the like
GB532090A (en) Improvements in or relating to the head lamps of motor vehicles
GB389583A (en) Improvements in refractors for directing light
GB348457A (enrdf_load_stackoverflow)
USD79726S (en) Bation
USD101435S (en) Design for a lens globe for an
US1426395A (en) Daylight lamp
GB478261A (en) Improvements in or relating to lighting fittings
USD86774S (en) A cobpobation op pennsyl
GB487141A (en) Improvements relating to light projectors, particularly for motor vehicles
GB386813A (en) An improved projecting mirror
GB527240A (en) Improvements in or relating to lampshades
GB526924A (en) Improvements in and relating to electric lamps
GB298913A (enrdf_load_stackoverflow)
GB225282A (en) Improvements in light projectors
GB407155A (en) Improvements in electric lighting units
GB420028A (en) Improvements in or relating to electric light fittings
GB280351A (en) Reflector for incandescent lamps
GB238603A (en) Improvements in and relating to coloured electric incandescent lamps for advertising signs and the like
GR3642B (el) Υλη δι' ης επαλειφομενη η εξωτερικη επιφανεια τωνηλεκτρικων λαμπτηρων η αμπαζουρ η αλλων σωματων ηεπιφανειων καθιστα ταυτα επι δεκαωρον φωτεινα εισκατ' αρεσκειαν χρωματισμους δια χρησιμοποιησεως επι εν λεπτον ηλεκτρικου φωτισμου η ηλιακου φωτος.
GB315336A (en) Improvements in advertising signs
AT134366B (de) Reflektorleuchte mit verstellbar im Reflektorhals sitzender elektrischer Glühlampe.
ES3581U (es) Espejo múltiple angular con cuatro lunas dispuestas en ángulos recíprocos.
GB156024A (en) Improvements in headlight dimmers