DRIVING CIRCUIT FOR ACOUSTIC PRINTER AND ACOUSTIC PRINTER

Title:

DRIVING CIRCUIT FOR ACOUSTIC PRINTER AND ACOUSTIC PRINTER

Document Type and Number:

Japanese Patent JP2002036534

Kind Code:

A

Abstract:

To provide a small and low cost driving circuit for an acoustic printer and the acoustic printer capable of performing high speed and high image quality recording.

An inductance switching circuit 205 which is connected in parallel to an electrostatic capacity Cd included in a piezoelectric element 100 is connected to an amplifier section 204. The inductance switching circuit 205 and the electrostatic capacitance Cd form a parallel resonance circuit named a TANK circuit 206. The inductance switching circuit 205 consists of two inductances L1, L2 and switches S1, S2 connected in series to the inductances L1, L2, respectively. The inductances L1, L2 are connected in parallel. The switches S1, S2 are constituted to be controlled from the outside.

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Inventors:

KONDO YOSHINAO
TAKAHASHI KUNIHIRO
MORITA NAOKI
INOUE NANAO

Application Number:

JP2000309876A

Publication Date:

February 05, 2002

Filing Date:

October 10, 2000

Export Citation:

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Assignee:

FUJI XEROX CO LTD

International Classes:

B41J2/045; B41J2/055; B41J2/015; (IPC1-7): B41J2/015; B41J2/045; B41J2/055

Attorney, Agent or Firm:

Atsushi Nakajima (3 outside)

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