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. 27, 2009
Filed:
Sep. 11, 2003
Naotaka Tsunoda, Tokyo, JP;
Naotaka Tsunoda, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
Charging a secondary battery () provided within wireless headphones () is carried out in a reliable manner by a charger () when the wireless headphones () are not in use. An engaged section () and electrodes () are provided at the bottom portion of a case () of the headphones (). An engaging section () constituted by a pawl and a contact member () is provided on a receptacle surface () of a supporting plate () on the side of the battery charger (). In the event that the headphones () are then mounted on the battery charger () so that the engaged section () is engaged by the engaging section () on the side of the battery charger (), the electrodes () of the headphones () are press-attached against the contact members () on the side of the battery charger () as a result of the leverage principle.