| US 7,542,071 B2 | ||
| Image transmission system, image pickup apparatus, image pickup apparatus unit, key generating apparatus, and program | ||
| Akira Yaegashi, Kanagawa (Japan) | ||
| Assigned to Sony Corporation, (Japan) | ||
| Filed on Mar. 26, 2004, as Appl. No. 10/809,532. | ||
| Claims priority of application No. P2003-101783 (JP), filed on Apr. 04, 2003. | ||
| Prior Publication US 2004/0196370 A1, Oct. 07, 2004 | ||
| Int. Cl. H04N 7/18 (2006.01); H04N 5/232 (2006.01); H04L 9/00 (2006.01) | ||
| U.S. Cl. 348—159 [348/211.12; 380/264] | 4 Claims |
| 1. A computer program, stored on a computer readable medium, for making a computer perform the steps of:
initializing an image transmission system, comprising
connecting an image pickup apparatus and a memory card to a key generating apparatus;
transmitting an identifying number from the image pickup apparatus to the key generating apparatus;
registering the identifying number from the image pickup apparatus at the key generating apparatus and at an authentication
server;
generating an encryption and decryption key unique to the image pickup apparatus; then
requesting that the authentication server authenticate a user and authenticate that a user can access the image pickup apparatus;
authenticating the user and image pickup apparatus in response to the requesting step;
connecting the image pickup apparatus to a viewing apparatus;
comparing the identification number in the memory card to the identifying number of the image pickup apparatus;
obtaining the decryption key from the memory card;
transmitting an image request from the viewing apparatus to the image pickup apparatus;
receiving an image from the imaging pickup apparatus at the viewing apparatus;
decrypting images received from the image pickup apparatus using the decryption key;
displaying the decrypted images on the viewer.
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