Optics: measuring and testing – By particle light scattering – With photocell detection
Reexamination Certificate
2011-01-25
2011-01-25
Chowdhury, Tarifur (Department: 2886)
Optics: measuring and testing
By particle light scattering
With photocell detection
C356S336000
Reexamination Certificate
active
07876436
ABSTRACT:
Disclosed is an irradiation unit for a flow-cytometry-based analytical instrument and analytical instrument including the same. The irradiation unit includes a light source, a light beam focusing module for focusing the illuminating light beam on an irradiated area, and a light beam shaper disposed between the light source and the light beam focusing module. The light shaper is used for flattening the distribution of light intensity on the irradiated area in a third direction X that is perpendicular to both a first direction in which the light beam spreads and a second direction in which cells to be detected flow. The irradiation unit and the analytical instrument including the same enable the illuminating light beam to form the irradiated area with the uniform distribution of intensity in a predetermined direction to avoid misjudging particles of the same kind entering into different positions of the irradiated area as different, thereby improving accuracy.
REFERENCES:
patent: 3476463 (1969-11-01), Kreuzer
patent: 4327972 (1982-05-01), Brunsting
patent: 4850707 (1989-07-01), Bowen et al.
patent: 4990795 (1991-02-01), Suzuki et al.
patent: 5331468 (1994-07-01), Noethen
patent: 5891734 (1999-04-01), Gill et al.
patent: 5999256 (1999-12-01), Jones et al.
patent: 2002/0167751 (2002-11-01), Lee et al.
patent: 2004/0196456 (2004-10-01), Stern et al.
patent: 2005/0110996 (2005-05-01), Sharpe et al.
patent: 2006/0192940 (2006-08-01), Phi-Watson
patent: 1025078 (1994-06-01), None
patent: 1116708 (1996-02-01), None
patent: 1529830 (2004-09-01), None
patent: 1200111 (2005-05-01), None
patent: 1224936 (2005-10-01), None
Yas, Alsultanny, Laser beam analysis using image processing, Jan. 2006, Journal of Computer Science, 109-113, pp. 109-112.
“The Designation and Experiment of the DOE Applied to Shape the Laser Beam to Square Frame Shape”. Laser Technology, vol. 29, No. 2; Apr. 2005.
High Power Laser and Particle Beams; vol. 17, No. S0; Apr. 2005.
Search Report dated Jul. 16, 2007 for Chinese Patent Application No. 200710073186.3
Chowdhury Tarifur
LaPage Michael
Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
Vista IP Law Group LLP.
LandOfFree
Irradiation unit for a flow-cytometry-based analytical... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Irradiation unit for a flow-cytometry-based analytical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Irradiation unit for a flow-cytometry-based analytical... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2704059