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. 11, 2000
Filed:
Feb. 23, 1998
Fujitsu Limited, Kanagawa, JP;
Abstract
A data transfer device for a portable telephone which device is capable of achieving efficient and reliable transfer of data and minimizing the influence on vocal communication and restrictions on the availability of added services. When data is to be transferred from data terminal equipment connected to a portable telephone to another data terminal equipment connected to a portable telephone at a remote side of a network during vocal communication, transfer data quantity measuring unit measures the data quantity of the transfer data. Channel selecting unit compares the measured data quantity with a predetermined value, and selects one of a fast associated control channel and a slow associated control channel in accordance with the result of comparison. Using the channel selected by the channel selecting unit, data transfer unit sends the transfer data input from the data terminal equipment to a radio link.