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:
Oct. 24, 1995
Filed:
Nov. 04, 1992
Applicant:
Inventors:
Kanya Matsumoto, Saitama, JP;
Keiichi Yamauchi, Saitama, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
34082525 ; 34082549 ; 34082572 ;
Abstract
An exhibit explaining system includes transmitters and a portable information playback device. The transmitters transmits, in a wireless manner, identification signals respectively assigned to exhibits individually arranged at predetermined spatial intervals. The identification signal may be transmitted using infrared light or radio waves. When receiving the identification signal, the playback device reproduces and outputs prestored explanatory information as specified by the identification signal.