Scott Warren

US Patent:

7871810, Jan 18, 2011

Filed:

Nov 3, 2004

Appl. No.:

10/980886

Inventors:

Scott R. Warren - San Francisco CA, US
Louis B. Hoff - Belmont CA, US
Mark F. Oldham - Los Gatos CA, US

Assignee:

Life Technologies Corporation - Carlsbad CA

International Classification:

C12M 1/00
G01N 15/06
G01N 21/47

US Classification:

4352831, 4352862, 4352872, 4352887, 422 681, 422 8205, 422 8208

Abstract:

Systems and methods for positioning a multi-featured biological array relative to a signal acquisition device. Detection of the array's positional deviation may be achieved by a calibration beam reflected from the array surface and detected by a position sensitive detector (PSD). The PSD-measured positional deviation can be transformed and used in a control loop to correct for positional variations of the array. The calibration beam and PSD may also be used to detect the array or feature boundaries, thereby allowing lateral centering or positioning of the array relative to the signal acquisition device.

US Patent:

20050094856, May 5, 2005

Filed:

Nov 3, 2003

Appl. No.:

10/700372

Inventors:

Scott Warren - San Francisco CA, US

International Classification:

G06K009/00
G06K009/40
B32B005/02

US Classification:

382129000, 382255000, 422082050

Abstract:

Systems and methods for positioning a camera target relative to a signal acquisition frame. Detection of the target's position deviation may be achieved by a calibration beam being reflected from the target surface and being detected by at least two position sensitive detectors (PSDs) to thereby allow removal of ambiguity in the target's Z-focus error from its tilt error. The PSD-measured quantities can be transformed into target control space quantities that can be used in a control loop to reduce the target position error. The calibration beam and one or more of the PSDs can also be used to detect the target's edges, thereby allowing lateral centering of the target relative to the reference frame.