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:
May. 01, 2018
Filed:
Jan. 29, 2015
Applicants:
Michiaki Shinotsuka, Kanagawa, JP;
Tsutomu Kawase, Kanagawa, JP;
Inventors:
Michiaki Shinotsuka, Kanagawa, JP;
Tsutomu Kawase, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/00 (2006.01); H04B 11/00 (2006.01); G01S 1/72 (2006.01); G01S 5/18 (2006.01);
U.S. Cl.
CPC ...
H04B 11/00 (2013.01); G01S 1/72 (2013.01); G01S 5/18 (2013.01);
Abstract
A novel positional information transmission system includes a plurality of positional information transmission units. The positional information transmission unit includes a close-range wireless communication unit that performs close-range wireless communication and a sonic wave transmission unit that transmits positional information as a sonic signal used for detecting a position of a receiver that receives the sonic signal based on information transmitted by the close-range wireless communication unit.