収音装置 - Nippon Telegraph and Telephone Corporation

Title:

収音装置

Document Type and Number:

Japanese Patent JP6420402

Kind Code:

B2

Inventors:

Kenta Niwa
Kazunori Kobayashi
Naka Omuro

Application Number:

JP2017079978A

Publication Date:

November 07, 2018

Filing Date:

April 13, 2017

Export Citation:

Assignee:

Nippon Telegraph and Telephone Corporation

International Classes:

H04R3/00

Domestic Patent References:

JP11234790A
JP5207117A

Attorney, Agent or Firm:

Naoki Nakao
Yukio Nakamura
Yoshimura Munehiro

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