73679239
Aug 18, 1987
Jul 5, 1988
ELECTRONIC SHELF-MOUNTING INFORMATION DISPLAY MODULES; ELECTRONIC SHELF-MOUNTING INFORMATION DISPLAY AND STORAGE MODULES; ELECTRONIC SHELF-MOUNTING RADIO BROADCASTING/RECEIVING INFORMATION DISPLAY AND STORAGE MODULES; RADIO BROADCASTING/RECEIVING SYSTEM CONTROL UNITS FOR USE WITH SUCH MODULES; COMPUTER PROGRAMS FOR USE IN SYSTEM MANAGEMENT; INTERFACE UNIT EACH LINKING AN ELECTRONIC STORE PRICE SCANNING SYSTEM AND A SYSTEM CONTROL UNIT; RADIO BROADCASTING/RECEIVING ANTENNAE ARRAYS; MODULE ACTIVATION AND TEST UNITS
Electrical and Scientific Apparatus