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1 result for “page 2 of 7” · 290ms

Patent

US4275363 Method of and apparatus for driving an ultrasonic transducer including a phase locked loop and a sweep circuit

Cited prior art · Shoji Mishiro, Seiji Hamada and 1 more · United States · 1981

and being capable of stop prising the steps of: ping the operation of said phase locked loop and Page 7 sweeping said oscillating frequency over a second driving the amplifier means and