Yuanhua R Shen

US Patent:

20060140077, Jun 29, 2006

Filed:

Dec 28, 2004

Appl. No.:

11/024511

Inventors:

Hong Chen - Shrewsbury MA, US
Plamen Stoyanov - Milford MA, US
Yuanhua Shen - Westborough MA, US

Assignee:

Quantum Corporation - San Jose CA

International Classification:

G11B 7/00

US Classification:

369044370, 369044270, 369112010

Abstract:

Described here are methods and devices for aligning an optical servo system used with digital storage media. The devices and methods described herein include alignment apparatuses and alignment test targets, and methods of using them to align the light source outputs of an optical servo system. The alignment test target may comprise an alignment test tape. The alignment test tape may be used to generate an output signal indicative of optical servo system alignment, and this signal may be used to align the light source outputs of the optical servo system.

US Patent:

20220334659, Oct 20, 2022

Filed:

Jun 10, 2022

Appl. No.:

17/806441

Inventors:

- Redmond WA, US
Brady James TOOTHAKER - Longmont CO, US
Yuanhua Robert SHEN - Superior CO, US
Jingyu ZOU - Seattle WA, US

Assignee:

Microsoft Technology Licensing, LLC - Redmond WA

International Classification:

G06F 3/0354
G06F 3/0346
G06F 3/041

Abstract:

An active stylus includes a stylus tip assembly and an elongate housing enclosing a portion of the stylus tip assembly. A winged bracket mounted within the elongate housing and affixed to a tip-distal end of the stylus tip assembly is configured to flex in response to pressure applied to the stylus tip assembly. A strain gauge disposed along the winged bracket is configured to measure strain along the winged bracket caused by pressure applied to the tip assembly.