PROJECTOR PROJECTING PASSWORD

• US 20120311668A1
• Filed: 08/16/2012
• Published: 12/06/2012
• Est. Priority Date: 08/28/2001
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: KUBOTA, Shinji
• Granted Patent: US 8,806,571 B2
• Time in Patent Office: Days
• US Class Current: 726/2
• CPC Class Codes: G06F 21/31 User authentication
• CPC Class Codes: G06F 21/606 by securing the transmission between two devices or processes
• CPC Class Codes: G06F 21/84 output devices, e.g. displays or monitors
• CPC Class Codes: H04L 63/083 using passwords cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226
• CPC Class Codes: H04N 5/74 Projection arrangements for image reproduction, e.g. using eidophor

Abstract

A projector system of the present invention includes a projector 10 and a personal computer PC as an information terminal, which communicate with each other via a network connection. The projector 10 generates a password required for establishment of the network connection and projects the password on a screen SC. A user of the personal computer PC inputs the password projected on the screen SC. The password is used for authentication of the network connection between the projector 10 and the personal computer PC and cipher communication therebetween. This arrangement of the present invention enhances the convenience of the projector that is capable of establishing a network connection with the information terminal, while ensuring secrecy of communicating data.

Claims

1. A projector that is capable of establishing network connection with an information terminal, said projector comprising:

a password generation module that generates a password to be input into said information terminal for establishment of the network connection; and

a projection module that projects the password, and projects an image according to image data supplied from said information terminal after establishment of the network connection, onto a screen external to the projector.