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. 02, 2000
Filed:
Mar. 12, 1996
Applicant:
Inventor:
Yoichiro Tajima, Kunitachi, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345-2 ;
Abstract
A service information receiving apparatus for receiving pay service information and date data which is multiplexed on FM broadcast waves transmitted from an FM broadcasting station, wherein use end day data calculated on the basis of valid term relative value data stored in a detachable IC card installed in the service information receiving apparatus and the received date data is acquired and stored, and the stored use end date data and received date data are compared. The display of pay service information is permitted while both data do not coincide, and the display of pay service information is prohibited after both data have coincided.