ES312971A1 - Un dispositivo de alumbrado. - Google Patents

Un dispositivo de alumbrado.

Info

Publication number
ES312971A1
ES312971A1 ES0312971A ES312971A ES312971A1 ES 312971 A1 ES312971 A1 ES 312971A1 ES 0312971 A ES0312971 A ES 0312971A ES 312971 A ES312971 A ES 312971A ES 312971 A1 ES312971 A1 ES 312971A1
Authority
ES
Spain
Prior art keywords
ellipsoid
translation
machine
lighting device
legally binding
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
ES0312971A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES312971A1 publication Critical patent/ES312971A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/30—Envelopes; Vessels incorporating lenses
    • 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
    • F21V7/08—Optical design with elliptical curvature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
ES0312971A 1964-05-16 1965-05-14 Un dispositivo de alumbrado. Expired ES312971A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6405515A NL6405515A (es) 1964-05-16 1964-05-16

Publications (1)

Publication Number Publication Date
ES312971A1 true ES312971A1 (es) 1965-10-16

Family

ID=19790095

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0312971A Expired ES312971A1 (es) 1964-05-16 1965-05-14 Un dispositivo de alumbrado.

Country Status (2)

Country Link
ES (1) ES312971A1 (es)
NL (1) NL6405515A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089047A (en) * 1976-04-26 1978-05-09 Willy Luderitz Trifocal mirror-reflector

Also Published As

Publication number Publication date
NL6405515A (es) 1965-11-17

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