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:
Dec. 28, 2004
Filed:
Aug. 04, 1999
Masanori Nakahara, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an image distribution system comprising a camera controllable by an external device, a camera server having a function of digitizing and transmitting an image signal acquired by the camera via a network and a function of issuing authorization to control the camera, a viewer which receives and displays the transmitted digitized image signal, further requests to control the camera, and a network connecting the camera server and the viewer, in a case where the camera server issues the authorization to control the camera to the viewer and communication between the viewer and the camera server is undesirably terminated while the viewer holds the authorization, when the viewer restores the communication within a predetermined period, it is allowed to continuously control the camera under the same conditions as at the time of the undesired termination.