US Patent 7551060 Feedback device
Patent 7551060 was granted and assigned to NCR on June, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Daniel B. Seevers0
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Patent abstract
A feedback device 1 including an interface 2 for receiving a first signal 3 from a point of sale console 4. A processor 5 is responsive to signal 3 for selectively defining a second signal, in the form of an inaudible ultrasonic transmission 6. An output, in the form of an ultrasonic transducer 7, is responsive to processor 5 for propagating transmission 6 to provide only in a predetermined spatially defined transmission zone 8 an audible signal 9 indicative of signal 3. Signal 9 is substantially inaudible outside of zone 8.
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US Patent 07551060 Feedback device US Patent 7551060 Feedback device
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Patent Number
07551060
Patent Number
7551060
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US Patent 07551060 Feedback device
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Is a
Current assignee
Patent jurisdiction
Patent number
07551060
Date of patent
June 23, 2009
Patent application number
11254154
Date Filed
October 19, 2005
Patent primary examiner
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