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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric Corp, Westinghouse Electric and Manufacturing CofiledCriticalWestinghouse Electric Corp
Publication of GB253514ApublicationCriticalpatent/GB253514A/en
H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Landscapes
Transducers For Ultrasonic Waves
(AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves
(AREA)
GB13974/26A1925-06-101926-06-02Improvements in or relating to supersonic heterodyne receivers for high frequency electric signals
ExpiredGB253514A
(en)
Improved apparatus for the purpose of eliminating or reducing, interference from atmospheric disturbances during the reception of wireless telegraphic or telephonic signals