Patent ID: 7057117

Claim:
A combination balance and cash register comprising: a balance having a weighing cell and an evaluation unit in communication with said weighing cell; a cash register having a data processing unit built into an electronic box and in communication with a VDU control unit; a video multiplexer having a first input in communication with said VDU control unit and thereby said data processing unit for accepting signals there from indicative of price and product data, and a second input in communication with said evaluation unit for accepting signals from said evaluation unit indicative of weighing data from said weighing cell, said evaluation unit being configured to generate a multiplex switching signal receivable by said video multiplexer for activating said second input in response to signals received from said weighing cell indicative of a non-zero weight being detected by said weighing cell, a display in communication with said video multiplexer for normally displaying information indicative of signals generated by said data processing unit; and wherein said display, upon said video multiplexer receiving said multiplex switching signal, displays information indicative of signals received from said evaluation unit corresponding to said weighing data.