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
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES205363A1publicationCriticalpatent/ES205363A1/en
Radio-receiver circuitry arrangement for frequency modulation or for frequency modulation and amplitude modulation with the use of at least two shielded multiple valves each comprising two or more valve assemblies in the same ampule as the valves of the triode-heptodo type characterized in that for the reception of the frequency-modulated oscillations a part of the first valve is connected as a high-frequency amplifier a part of the second valve is connected as a self-oscillating mixer and the other part of the second valve is connected as an intermediate frequency amplifier. (Machine-translation by Google Translate, not legally binding)
ES0205363A1951-09-171952-09-13A radio-circuit circuit provision (Machine-translation by Google Translate, not legally binding)
ExpiredES205363A1
(en)
Transistorized amplifier for frequency of 10.7 megacicles and 456 kilocicles for amplitude and frequency modulation receivers with detection systems for radio receivers. (Machine-translation by Google Translate, not legally binding)