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.)
Bouwhuis Christiaan Hendrik Frans Welzel Gusbertus
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 NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of AU1291970ApublicationCriticalpatent/AU1291970A/en
Publication of AU453109B2publicationCriticalpatent/AU453109B2/en
AU12919/70A1969-03-251970-03-23Device for determining the distance ofan object relative toa defined position by means of transmitted radiation
ExpiredAU453109B2
(en)