Fluid dispenser having infrared user sensor

Details Fluid dispenser having infrared user sensor Fluid dispenser having infrared user sensor

2011-03-01

2011-03-01

Bastianelli, John (Department: 3753)

Dispensing

Automatic control

C251S129040

Reexamination Certificate

active

07896196

ABSTRACT:
A dispensing system is disclosed which utilizes a controller in conjunction with a photodetector in order to provide automatic dispensing to a user when an object enters a target area. A controller is programmed to pulse a light source that is mounted proximate the photodetector. The controller constantly monitors the voltage at the receiving signal of the photodetector, and evaluates the difference in voltage from the light pulsed on and off. The controller sums the differences, and constantly updates the differences over a designated period to create an average difference value. The average difference value is summed with a target offset value and compared to a momentary voltage difference. When the momentary difference exceeds the sum of the target offset value and average difference, the controller sends a signal to a dispense mechanism which dispenses a fluid or other product on the object.

REFERENCES:
patent: 3273752 (1966-09-01), Horeczky
patent: 4786005 (1988-11-01), Hoffman et al.
patent: 4921150 (1990-05-01), Lagergren et al.
patent: 5008531 (1991-04-01), Ono et al.
patent: 5008532 (1991-04-01), Ono et al.
patent: 5225669 (1993-07-01), Hasch et al.
patent: 5307196 (1994-04-01), Kinoshita
patent: 5336882 (1994-08-01), Fooks et al.
patent: 5347120 (1994-09-01), Decker et al.
patent: 5496996 (1996-03-01), Barnes et al.
patent: 5551598 (1996-09-01), Cutsinger
patent: 5684294 (1997-11-01), Kouhi
patent: 5772291 (1998-06-01), Byrd et al.
patent: 6105898 (2000-08-01), Byrd et al.
patent: 6293486 (2001-09-01), Byrd et al.
patent: 6390329 (2002-05-01), Maddox
patent: 6433329 (2002-08-01), Butka et al.
patent: 6455839 (2002-09-01), O'Connor et al.
patent: 6812466 (2004-11-01), O'Connor et al.
patent: 6854684 (2005-02-01), Byrd et al.
patent: 6903654 (2005-06-01), Hansen et al.
patent: 6903660 (2005-06-01), Clark et al.
patent: 2006/0006354 (2006-01-01), Guler et al.
patent: 2006/0163416 (2006-07-01), Byrd et al.
patent: 2006/0175341 (2006-08-01), Rodrian
patent: 2006/0289819 (2006-12-01), Parsons et al.
patent: 0 468 062 (1992-01-01), None
European Search Report issued Oct. 25, 2010 in corresponding European application No. 08252135.2.

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