Charles Scott Davis, JR
Engineers in San Jose, CA
License number
Colorado 7880
Issued Date
Oct 7, 1967
Renew Date
Jun 25, 1990
Expiration Date
Jun 25, 1990
Type
Professional Engineer
Address
Address
PO Box 23550, San Jose, CA 95153
Professional information
Process For Optically Storing Information Using Materials Having A Single Phase In Both The Crystalline State And The Amorphous State
US Patent:
4787077, Nov 22, 1988
Filed:
Aug 28, 1987
Appl. No.:
7/090636
Inventors:
Roger W. Barton - Menlo Park CA
Martin Y. Chen - San Jose CA
Charles R. Davis - San Jose CA
Grace L. Gorman - San Jose CA
Vincent Marrello - Morgan Hill CA
Kurt A. Rubin - Santa Clara CA
Martin Y. Chen - San Jose CA
Charles R. Davis - San Jose CA
Grace L. Gorman - San Jose CA
Vincent Marrello - Morgan Hill CA
Kurt A. Rubin - Santa Clara CA
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G11C 1302, G11B 724
US Classification:
369100
Abstract:
An optical storage system has an information containing film of a material which has a crystallization temperature between 100. degree. C. and 400. degree. C. and can be switched between the amorphous and the crystalline states. Both the amorphous and crystalline states are substantially a single phase where the stoichiometric ratio of the material remains unchanged. Spots on the film is heated with a circular laser beam with a controlled pulse duration and intensity to melt the material in the spots. The spots are quenched at one rate to produce the amorphous state, and in a second revolution of the disk, at a different rate to produce the crystalline state.
System And Method For Automatic Storage And Serving Of Digital Content
US Patent:
2008001, Jan 17, 2008
Filed:
Jul 14, 2006
Appl. No.:
11/486715
Inventors:
David MacMillan - Emerald Hills CA, US
Ted Theocheung - San Jose CA, US
Mark Calomeni - San Jose CA, US
Ray Robidoux - San Jose CA, US
Charles Davis - San Jose CA, US
Ted Theocheung - San Jose CA, US
Mark Calomeni - San Jose CA, US
Ray Robidoux - San Jose CA, US
Charles Davis - San Jose CA, US
International Classification:
G06F 15/173
US Classification:
709223
Abstract:
A system and method for automatic storage and serving of digital content is disclosed. One aspect of the invention involves a computer-implemented method in which a storage server in a local area network of a user: automatically receives content from a first client device associated with the user, wherein: the received content is determined in accordance with a storage server profile for the storage server, and receiving the content frees up storage space on the first client device; stores at least some of the received content; receives a request for at least some of the stored received content to be served to a second client device associated with the user; and in response to the request for at least some of the stored received content, serves the requested content to the second client device.
Method And System For Detecting A Change In A Rotational Velocity Of A Magnetic Disk Or A Spindle Coupled To The Magnetic Disk
US Patent:
7605996, Oct 20, 2009
Filed:
Dec 28, 2007
Appl. No.:
11/965980
Inventors:
Peter Michael Baumgart - San Jose CA, US
Charles Raymond Davis - San Jose CA, US
Gary Allan Herbst - San Jose CA, US
Bernhard E. Knigge - San Jose CA, US
Charles Mathew Mate - San Jose CA, US
Bruce Alexander Wilson - San Jose CA, US
Charles Raymond Davis - San Jose CA, US
Gary Allan Herbst - San Jose CA, US
Bernhard E. Knigge - San Jose CA, US
Charles Mathew Mate - San Jose CA, US
Bruce Alexander Wilson - San Jose CA, US
Assignee:
Hitachi Global Storage Technologies Netherlands B.V. - Amsterdam
International Classification:
G11B 21/02, G11B 15/46
US Classification:
360 75, 360 7303
Abstract:
A method according to one embodiment comprises detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk, the change being caused by head-disk contact. A method for detecting head-disk contact according to another embodiment comprises measuring a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk; detecting a change in the rotational velocity, the change being caused by head-disk contact; and correlating the change in rotational velocity with the head-disk contact.
System, Method, And Api For Automatic Digital Library Creation
US Patent:
2008007, Mar 27, 2008
Filed:
Jul 21, 2007
Appl. No.:
11/781244
Inventors:
David MacMillan - Emerald Hills CA, US
Charles Davis - San Jose CA, US
Charles Davis - San Jose CA, US
International Classification:
G06F 3/048
US Classification:
719328000
Abstract:
A system, method, and API for automatic digital library creation is disclosed. One aspect of the invention involves a computer-implemented method in which a storage server: receives data from a plurality of authorities; determines content that meets a thematic profile of a user based at least on: data received from a first authority in the plurality of authorities, and data received from a second authority in the plurality of authorities; and receives and stores at least some of the determined content.
System And Method For Automatic Digital Library Creation
US Patent:
2008001, Jan 17, 2008
Filed:
Jul 14, 2006
Appl. No.:
11/486716
Inventors:
David MacMillan - Emerald Hills CA, US
Ted Theocheung - San Jose CA, US
Mark Calomeni - San Jose CA, US
Ray Robidoux - San Jose CA, US
Charles Davis - San Jose CA, US
Ted Theocheung - San Jose CA, US
Mark Calomeni - San Jose CA, US
Ray Robidoux - San Jose CA, US
Charles Davis - San Jose CA, US
International Classification:
G06F 17/30
US Classification:
707 10
Abstract:
A system and method for automatic digital library creation is disclosed. One aspect of the invention involves a computer-implemented method in which a storage server in a LAN of a user: automatically receives content from a client device in the LAN, wherein: the received content is determined in accordance with a storage server profile for the storage server, and receiving content frees up storage space on the client device; stores at least some of the content received from the client device; automatically receives content via an external network that is complementary to the stored content received from the client device, wherein the complementary content is determined in accordance with the storage server profile; and stores the complementary content.
System And Method For Generating Disk Failure Warning Using Read Back Signal
US Patent:
2005028, Dec 29, 2005
Filed:
Jun 28, 2004
Appl. No.:
10/878933
Inventors:
Peter Baumgart - San Jose CA, US
Qing Dai - San Jose CA, US
Charles Davis - San Jose CA, US
Bernard Knigge - San Jose CA, US
Qing Dai - San Jose CA, US
Charles Davis - San Jose CA, US
Bernard Knigge - San Jose CA, US
Assignee:
Hitachi Global Storage Technologies Netherlands B.V. - Amsterdam
International Classification:
G11B027/36, G11B021/20
US Classification:
360031000, 360075000
Abstract:
The read-back signal from a HDD head is demodulated to find the pitch frequency of the head, which can be compared to a baseline value to determine if it has increased, indicating a possible failure due to contamination or lubricants pick up. Or, the pitch frequency can be used during manufacturing of a burnished pad head to determine when burnishing has been completed.