Optics: measuring and testing – Blood analysis
Reexamination Certificate
2008-03-11
2008-03-11
Stafira, Michael P. (Department: 2886)
Optics: measuring and testing
Blood analysis
C356S040000
Reexamination Certificate
active
11333523
ABSTRACT:
Light having a wavelength to be absorbed by a target object is irradiated from a light irradiating unit toward a subject while varying its intensity in the course of time. At least two detecting elements arrayed along a scanning direction detect a component having a large time delay out of the light propagated through the subject, for example, as departing from the light irradiating unit. By comparing measured data on the basis of the light detected by the at least two detecting elements with measured data in the case where the target object is not present in a light irradiation region, the depth of the target object at a location of the light irradiating unit is acquired.
REFERENCES:
patent: 2003/0002028 (2003-01-01), Rice et al.
patent: 2007/0158585 (2007-07-01), Hall et al.
patent: 2000-237195 (2000-09-01), None
Shechao Feng, et al., Photon Migration in the Presence of a Single Defect: A Perturbation Analysis, Applied Optics, vol. 34, No. 19, pp. 3826-3837, Jul. 1, 1995.
Motoki Oda, et al., Nearinfrared Time-Resolved Spectroscopy System for Tissue Oxygenation Monitor, Proc. SPIE vol. 4160, pp. 204-210, 2000, Japan.
Amin Turocy & Calvin LLP
Kabushiki Kaisha Toshiba
Stafira Michael P.
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