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
GB713941A
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 GB713941ApriorityCriticalpatent/GB558253A/en
Publication of GB558253ApublicationCriticalpatent/GB558253A/en
H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
H03D7/14—Balanced arrangements
H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
Landscapes
Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
Mobile Radio Communication Systems
(AREA)
Abstract
558,253. Valve circuits for wireless reception. PHILIPS LAMPS, Ltd.( Naamlooze Vennootschap Philips' Gloeilampenfabrieken). June 5, 1941, No. 7139. [Class 40 (v)] The subject-matter of this Specification is identical with that described in Specification 611,701, [Group XL (c)].
GB713941A1941-06-051941-06-05Improvements in or relating to push-pull mixing circuits for ultra short waves
ExpiredGB558253A
(en)