Piezoelectric phase shifter

Details Piezoelectric phase shifter Piezoelectric phase shifter

2011-08-30

2011-08-30

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S316010, C310S316020, C310S317000, C310S366000

Reexamination Certificate

active

08008836

ABSTRACT:
The disclosed is a piezoelectric phase shifter, which comprises: an input part for inputting input voltages; an output part for outputting output voltages; and a control part for tuning phase difference between the output and input voltages, which are made of a piezoelectric ceramic plate. Further, the input, output and control parts are separated by insulating gaps respectively. The wide phase shift range and good ability to manage high power and relatively high energy transmission efficiency may be obtained by the disclosure.

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patent: 2002/0011764 (2002-01-01), Nakatsuka et al.
patent: 2002/0024269 (2002-02-01), Nakatsuka et al.
patent: 2006/0284703 (2006-12-01), Iwasaki et al.

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