William W Plumlee

US Patent:

57128308, Jan 27, 1998

Filed:

Dec 28, 1995

Appl. No.:

8/580219

Inventors:

Paul C. Ross - Morris Plains NJ
Alex Kononov - Bridgewater NJ
William Wayne Plumlee - Andover NJ

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

G01S 1500

US Classification:

367 93

Abstract:

Acoustic surveillance of objects and human traffic in spatial zones of a shopping mall and associated retail selling space is used to detect shopper traffic movement and from it, traffic data such as: shopper volume, shopper flow, crowding, and also unusual motion such as crowd surges that might connote an emergency situation. The apparatus uses phased arrays of acoustic transducers including arrays oriented in a vertical aspect which enables differentiation of non-shopping young children to arrive at more accurate headcount figures. Several specific types of detected movement defined as abnormal trigger an alert to a remote monitoring station. The alerts are automatically prioritized using rule-based criteria. Enhanced surveillance of the alert site by audio links as well as site alert history information are also provided.

US Patent:

55196691, May 21, 1996

Filed:

Aug 19, 1993

Appl. No.:

8/108268

Inventors:

Paul C. Ross - Morris Plains NJ
Alex Kononov - Bridgewater NJ
William W. Plumlee - Andover NJ
S. David Roth - Randolph NJ

Assignee:

AT&T Corp. - Murray Hill NJ

International Classification:

G01S 1500

US Classification:

367 93

Abstract:

Acoustic surveillance of objects and human traffic in a spatial zone of a financial transaction device is used to detect movement within the zone. Several specific types of detected movement defined as abnormal trigger an alert to a remote monitoring station. The alerts are automatically prioritized using rule-based criteria. Enhanced surveillance of the alert site by audio links as well as site alert history information are provided.