Switching circuit for an electromagnetic source for the...

Details Switching circuit for an electromagnetic source for the... Switching circuit for an electromagnetic source for the...

2003-06-16

2010-10-26

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Transmitter systems

Reexamination Certificate

active

07821871

ABSTRACT:
A switching circuit for an electromagnetic source for generating acoustic waves has at least one first capacitor connected in parallel with a series circuit formed by a second capacitor and an electronic switch. The switching circuit is connected to a coil of the electromagnetic source, and the first and second capacitors are switched so as to both discharged into the coil, thereby supplying the coil with current.

REFERENCES:
patent: 4674505 (1987-06-01), Pauli et al.
patent: 6850465 (2005-02-01), Rohwedder
patent: 2003/0161217 (2003-08-01), Rohwedder
patent: 2006/0152301 (2006-07-01), Rohwedder
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patent: 1 747 188 (1990-10-01), None
patent: WO 2004002635 (2004-01-01), None
“Electromagnetische Erzeugung von Ebenen Druckstössen in Flüssigkeiten,” Acustica, vol. 12, No. 1 (1962), pp. 185-201.

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