Edward B Barker

US Patent:

57711763, Jun 23, 1998

Filed:

Sep 3, 1996

Appl. No.:

8/708082

Inventors:

Phillip E. Froehlich - San Francisco CA
Edward E. Barker - Atlanta GA
David R. Ross - Stratford CT

International Classification:

G06K 978
G06K 900

US Classification:

364505

Abstract:

This invention in its preferred embodiment comprises an apparatus and process (including a computer program) for controlling unmarked lock-opening keys in a security systems, whereby the conventional metal keys used to unlock rooms or cars or other entities can be controlled even though unmarked. The technique of the invention effectuates such control through taking electronic photographs, creating a silhouette of the side of unmarked keys using their individual configurations on the edge, generating an individual and distinctive electronic signal, specific for each such key to generate a digital coordinate series of numbers for each key and inventorying each such identifying signal representing a key so that keys are recognized by these signals rather than numbers or codes marks on the key. Although marked keys can be utilized in such a system, it would be a waste of the identifying ability of the invention. Thus the greatest security benefits are obtained through the use of unmarked keys in the apparatus and process of the invention.

US Patent:

20210044850, Feb 11, 2021

Filed:

Oct 23, 2020

Appl. No.:

17/079352

Inventors:

- Los Gatos CA, US
Katheryn Shi - Palo Alto CA, US
Christopher Gray - Burlingame CA, US
Manuel Correa - San Jose CA, US
Pablo Pissanetzky - Scotts Valey CA, US
Bertrand Mollinier Toublet - Santa Clara CA, US
Niranjan P. Ghate - Fremont CA, US
Raymond Walsh - San Jose CA, US
Edward H. Barker - Sunnyvale CA, US

International Classification:

H04N 21/254
G06F 21/10
H04L 29/06

Abstract:

The disclosed computer-implemented method may include receiving, from a client device, a request for multimedia content, where the request includes both a manifest request that includes client identification data and a license request that includes a license challenge. The method may further include validating the received request for multimedia content using the client identification data in the manifest request and generating a manifest response that includes an identification of a specified multimedia content stream that is to be provided to the client device. The method may also include acquiring at least one license in response to the license request, where the license includes a response to the license challenge having various content keys, and then providing the specified multimedia content stream, including the generated manifest response and the acquired license, to the client device. Various other methods, systems, and computer-readable media are also disclosed.