1
Adam Petrovich, Thomas K Roslak, Jerome Swartz, Raj Bridgelall: Personal shopping system portable terminal. Symbol Technologies, August 8, 2000: US06101483 (277 worldwide citation)

The present invention relates to a personal shopping system for combined use in both the home of a user and a shopping establishment. The system includes a host computer which is coupled to a host modem and, optionally, to at least one wireless multi-access point. At least one shopping establishment ...


2
Raj Bridgelall: Automatic and seamless vertical roaming between wireless local area network (WLAN) and wireless wide area network (WWAN) while maintaining an active voice or streaming data connection: systems, methods and program products. Symbol Technologies, Williams Morgan & Amerson, May 2, 2006: US07039027 (217 worldwide citation)

A Mobile Station (MS) is able to vertically roam in either direction between two different nerworks, i.e, WWAN and WLAN. The MS is equipped with a dual mode Radio for WWAN and WLAN transmissions. The WLAN Radio is linked to a WLAN Enterprise Gateway Controller (EGC) via a first air link and the WWAN ...


3
Jerome Swartz, Raj Bridgelall, Ron Goldman, Eugene Joseph, Joseph Katz: Apparatus for processing symbol-encoded document information. Symbol Technologies, Finnegan Henderson Farabow Garrett & Dunner L, August 1, 2000: US06095418 (202 worldwide citation)

Document information is encoded in a graphic symbol applied to the document. The symbol is read to retrieve the document information which is then translated into a humanly discernible form different from that appearing on the document. In one embodiment of the invention, a symbol is applied to shee ...


4
Raj Bridgelall: Combination bar code scanner/RFID circuit. Symbol Technologies, July 24, 2001: US06264106 (185 worldwide citation)

A circuit that combines the functionality of a bar code scanner and an RFID circuit is provided. This circuit uses certain functional blocks for processing both the bar code signals and the RFID signals. As a result, the space and power consumed by the circuit are substantially reduced such that the ...


5
Raj Bridgelall: Dual mode wireless data communications. Symbol Technologies, Baker Botts, May 17, 2005: US06895255 (150 worldwide citation)

A dual mode mobile unit is arranged to communicate in either a first or second data communications standard, such as combined Bluetooth and 802.11 operation. An interface unit converts received Bluetooth or 802.11 format signals into 802.11 frame format data signals to be provided to a digital signa ...


6
Adam Petrovich, Thomas K Roslak, Jerome Swartz, Raj Bridgelall: Portable electronic terminal and data processing system. Symbol Technologies, Amin & Turocy, January 30, 2007: US07171378 (141 worldwide citation)

The present invention relates to a personal shopping system for combined use in both the home of a user and a shopping establishment. The system includes a host computer which is coupled to a host modem and, optionally, to at least one wireless multi-access point. At least one shopping establishment ...


7
Jerome Swartz, Stephen J Shellhammer, Joseph Katz, Theo Pavlidis, John Woffinden, Judith Murrah, Edward Beadle, Raj Bridgelall: Statistical sampling security methodology for self-scanning checkout system. Symbol Technologies, January 6, 2004: US06672506 (135 worldwide citation)

A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned, if the shopper is determined to be aud ...


8
Raj Bridgelall, Howard Shepard, Edward Barkan, Robert Sanders, Mitch Maiman, Paul Dvorkis, Joseph Boriotti, Mark Krichever, Vladimir Gurevich, Alexander Breytman: Integrated code reading systems including tunnel scanners. Symbol Technologies, Burns Doane Swecker & Mathis L, December 18, 2001: US06330973 (128 worldwide citation)

The invention relates to systems and techniques for reading optical codes, and more particularly to code reading systems with plural imaging or scanning modules pointed in various directions toward a target volume, which increase the likelihood that a code symbol on an arbitrarily oriented object in ...


9
Raj Bridgelall, Mark William Duron, Martin J Strzelczyk: Multi-resolution object location system and method. Symbol Technologies, Ingrassia Fisher & Lorenz, April 18, 2006: US07030761 (111 worldwide citation)

A multi-resolution object location system and method for locating objects is provided. The multi-resolution system and method uses a long-range object locator together with a more precise RFID locator to efficiently and accurately determine the location of objects that include an RFID tag. The long- ...


10
Raj Bridgelall: Hybrid bluetooth/RFID based real time location tracking. Symbol Technologies, Baker Botts, April 6, 2004: US06717516 (109 worldwide citation)

Devices having either wireless data communication capability or RFID tags can be located using dual function fixed devices which are distributed throughout a facility. The devices will identify those units with which they are communicating using a wireless radio data communications protocol and also ...



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