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. 27, 2008
Filed:
May. 28, 2003
Hideyuki Kuwano, Hirakata, JP;
Hiroyuki Iitsuka, Katano, JP;
Hideyuki Kuwano, Hirakata, JP;
Hiroyuki Iitsuka, Katano, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A Controllersends to a Consumera command for reserving a plug/port in order to send/receive data using an Asynchronous transmission (Step) and receives information on a port connecting from the Consumer(Step). The Controllerfurther sends to a Producera command for reserving a port/plug for sending content or the like (Step) and receives from the Producerinformation on a Producer plug/port used for transmission (Step). After this, the Controllernotifies the Consumerof the information on the port of the Producer(Step) and receives a response from the Consumer(Step). Next, the Consumerissues a device authentication request command to the Producer(Step) and they perform mutual device authentication and exchange of keys (Step).