音声通話装置 - Japan Castem Co., Ltd.

Title:

音声通話装置

Document Type and Number:

Japanese Patent JP4735419

Kind Code:

B2

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Inventors:

Takuo Abe
Kazuki Niwa

Application Number:

JP2006149590A

Publication Date:

July 27, 2011

Filing Date:

May 30, 2006

Export Citation:

Assignee:

Japan Castem Co., Ltd.
Aiphone Co., Ltd.

International Classes:

H04M9/08; H04B3/23; H04M1/60; H04R3/02

Domestic Patent References:

Attorney, Agent or Firm:

Iat International Patent Business Corporation
Naotaka Ide
Toshinao Shimodaira

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