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.)
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.)
Philips Eclairage et Radio SA
Original Assignee
Philips Eclairage et Radio SA
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 Eclairage et Radio SAfiledCriticalPhilips Eclairage et Radio SA
Priority to FR818335ApriorityCriticalpatent/FR1256685A/fr
Application grantedgrantedCritical
Publication of FR1256685ApublicationCriticalpatent/FR1256685A/fr
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)
FR818335A1960-02-121960-02-12Perfectionnements aux appareils d'éclairage pour éclairer des surfaces allongées
ExpiredFR1256685A
(fr)