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.)
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
Priority to ES181269ApriorityCriticalpatent/ES181269A1/en
Publication of ES181269A1publicationCriticalpatent/ES181269A1/en
ES181269A1947-12-301947-12-30
A DEVICE FOR CONVERTING A SIGNAL OF VARIABLE AMPLITUDE IN A CONSTANT FREQUENCY IMPULSOD AND OF VARIABLE DURATION
ExpiredES181269A1
(en)