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:
Jul. 01, 2003
Filed:
Feb. 17, 1998
Koichi Sawai, Yokohama, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
When the telephone number of digital portable telephone A is notified to reception notifying apparatus (S ), the telephone number is stored (S ), and is forwarded to digital portable telephone B (S ). Next, when digital portable telephone B transmits a CALL SETUP signal and a sending number to digital portable telephone A (S , S ), digital portable telephone A transmits a CALL PROC signal and an ALERT signal to digital portable telephone B (S -S ). After that, information indicating that the busy line display is ON is forwarded to reception notifying apparatus (S ), and the telephone number is deleted (S ). Furthermore, reception notifying apparatus transmits a voice guidance to digital portable telephone A (S ).