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
GB17305/32A
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
Publication of GB381907ApublicationCriticalpatent/GB381907A/en
381,907. Valve circuits for wireless reception. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. June 18, 1932, No. 17305. Convention date, June 25, 1931. [Classes 40 (iii) and 40 (v).] In an intermediate-frequency thermionic amplifier for a superheterodyne receiver, a tuned series circuit 6, 7 is connected between a step-down output transformer 2, 4 and a stepup input transformer 9, 10.
GB17305/32A1931-06-251932-06-18Improvements in or relating to intermediate-frequency thermionic amplifiers
ExpiredGB381907A
(en)