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:
Apr. 11, 2006
Filed:
Aug. 23, 2001
Ukyo Mori, Tokyo, JP;
Ukyo Mori, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
In a portable terminal system having a portable terminal device and an external speakerfor converting electrical signals from the portable terminal device to electrical signals, the portable terminal deviceand the external speaker portionare equipped with first and second connectors, and by electrically connecting the first and second connectors, the electrical signals from the portable terminal device are transmitted to the external speaker. The first connectorand the external speakerare provided with transmission holesfor transmitting to the portable terminal device side the sound wave signal converted on the basis of the electrical signals by the external speaker