Title:
SYSTEM AND METHOD FOR OPTICALLY SENSING MOTION OF OBJECTS
Document Type and Number:
WIPO Patent Application WO2002045214
Kind Code:
A3
Abstract:
A multiple laser optical sensing system and method for detecting target characteristics are disclosed. The system includes a laser source with at least two emission apertures from which laser signals are emitted. The system also includes at least one detector, which is operationally responsive to the laser source. Finally, the system includes a microprocessor that is operationally coupled to the detector(s). In operation, the laser source emits into an environment at least two laser signals, one from each emission aperture. The detector detects the laser signals after the signals pass through the environment, which is occupied by a target, and the microprocessor determines target characteristics based on the laser signals received by the detectors.
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Inventors:
TATUM JIMMY A
GUENTER JAMES K
GUENTER JAMES K
Application Number:
PCT/US2001/044401
Publication Date:
November 28, 2002
Filing Date:
November 26, 2001
Export Citation:
Assignee:
HONEYWELL INT INC (US)
International Classes:
G01B11/02; G01B11/24; G01B11/26; G01B11/00; G01J1/02; G01V8/12; H01S5/026; H01S5/183; H01S5/42; (IPC1-7): G01S7/41; G01S7/48; G01V8/20
Domestic Patent References:
| WO1988000745A1 | 1988-01-28 |
Foreign References:
| US5835613A | 1998-11-10 | |||
| US5793485A | 1998-08-11 | |||
| US5635724A | 1997-06-03 | |||
| DE4404483A1 | 1995-08-17 | |||
| US5266810A | 1993-11-30 |
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