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
GB22081/33A
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 GB415573ApublicationCriticalpatent/GB415573A/en
H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
H03G3/20—Automatic control
H03G3/22—Automatic control in amplifiers having discharge tubes
Abstract
415,573. Valve circuits for wireless reception. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. Aug. 5, 1933, No. 22081. Convention date, Sept. 28, 1932. [Class 40 (v).] The output from a high frequency amplifying valve 1 is fed to a voltagedividing resistance 2, a variable tapping of which is connected to the detector valve 3 while a control valve 4 is supplied with the full voltage from the resistance 2 and provides automatic volume control potentials for the high frequency amplifiers across a resistance 5 in its anode circuit.
GB22081/33A1932-09-281933-08-05Improvements in or relating to radio receiving installations with automatic volume control
ExpiredGB415573A
(en)