| Patent Number |
Title Of Patent |
Date Issued |
| 6791466 |
Apparatus for providing wireless transmission of information in electronic display systems and m |
September 14, 2004 |
| An apparatus for providing wireless transmission of information in electronic display systems and methods of using the same. In particular, the present invention is directed to an air interface and protocol to facilitate wireless transmission of information from a communication base |
| 6650230 |
Modulated backscatter wireless communication system having an extended range |
November 18, 2003 |
| A modulated backscatter communication system (e.g., an Electronic Shelf Label (ESL) system) includes a central node (e.g., a ceiling node) and one or more remote nodes (e.g., ESL tags). The central node transmits a downlink radio signal which is reflectively modulated at a remote node to |
| 6100790 |
Modulated backscatter wireless communication system having an extended range |
August 8, 2000 |
| A modulated backscatter communication system (e.g., an Electronic Shelf Label (ESL) system) includes a central node (e.g., a ceiling node) and one or more remote nodes (e.g., ESL tags). The central node transmits a downlink radio signal which is reflectively modulated at a remote node to |
| 5873025 |
Modulated backscatter wireless communication system having an extended range |
February 16, 1999 |
| A modulated backscatter communication system (e.g., an Electronic Shelf Label (ESL) system) includes a central node (e.g., a ceiling node) and one or more remote nodes (e.g., ESL tags). The central node transmits a downlink radio signal which is reflectively modulated at a remote node to |
| 5853196 |
Electronic shelf labels for mounting in c channels of retail shelves and method for mounting |
December 29, 1998 |
| An electronic shelf label has a housing which is formed oversized and later shaped to fit securely into a C channel of a targeted shelf, without requiring any additional hardware fixtures for mounting. |
| 5640683 |
Modulated backscatter wireless communication system having an extended range |
June 17, 1997 |
| A modulated backscatter communication system (e.g., an Electronic Shelf Label (ESL) system) includes a central node (e.g., a ceiling node) and one or more remote nodes (e.g., ESL tags). The central node transmits a downlink radio signal which is reflectively modulated at a remote node to |
| 5604923 |
Electronic display system capable of displaying communication signal strength on individual elec |
February 18, 1997 |
| Electronic display system capable of displaying communication signal strength on individual electronic display modules and method of using the same. In one preferred embodiment of the present invention, a pseudo-price change command is transmitted by a base communication station to an |
| 5510602 |
Electronic signage label apparatus and method |
April 23, 1996 |
| An electronic label device includes a display device and a microcomputer connected to control the display device. The microcomputer includes a memory having a plurality of registers. Data received via an antenna is stored in the registers. The microcomputer is indirectly controlled to |
