The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2025
Filed:
Mar. 30, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Hisatoshi Kasahara, Tokyo, JP;
Yuta Ikeguchi, Tokyo, JP;
Yusuke Yoshimura, Tokyo, JP;
Atsushi Aratake, Tokyo, JP;
Shuichi Yanagi, Tokyo, JP;
Suguru Oguchi, Tokyo, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/40 (2006.01); B60W 50/14 (2020.01); G10K 11/34 (2006.01); H04R 3/12 (2006.01);
U.S. Cl.
CPC ...
H04R 1/403 (2013.01); B60W 50/14 (2013.01); G10K 11/34 (2013.01); H04R 3/12 (2013.01); B60W 2050/143 (2013.01);
Abstract
An audio spot forming system (S) is an audio spot forming system which transmits an alert sound to a vehicle traveling on a road, the audio spot forming system including a first parametric speaker () configured to emit a sideband wave, and a second parametric speaker () configured to emit a carrier wave, in which the sideband wave and the carrier wave are caused to intersect with each other on the road to form an audio spot.