Sales data transmission system
First Claim
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1. A sales data transmission system comprising:
- a plurality of data processors for calculating and displaying a purchase price, each of said data processors having communication means for transmitting and receiving purchase data, anda wireless portable transceiver unit having memory means for storing data, said transceiver unit being capable of receiving and storing purchase data transmitted from and of transmitting purchase data stored in said memory means to one of said communication means within a communication range of said transceiver unit in response to a request signal from said one of said communication means.
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Abstract
A sales data transmission system includes a sales data processor such as a scale of the type capable of calculating and displaying a sales price from a unit price and a measured weight, a communication device which is made a part of this data processor and transmits and receives signals indicative of sales data and a memory unit which serves not only to receive and store the sales data transmitted from the communication device but also to transmit the stored sales data back to the communication device in response to a request signal therefrom.
27 Citations
13 Claims
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1. A sales data transmission system comprising:
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a plurality of data processors for calculating and displaying a purchase price, each of said data processors having communication means for transmitting and receiving purchase data, and a wireless portable transceiver unit having memory means for storing data, said transceiver unit being capable of receiving and storing purchase data transmitted from and of transmitting purchase data stored in said memory means to one of said communication means within a communication range of said transceiver unit in response to a request signal from said one of said communication means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A sales data transmission system comprising:
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a data processor for calculating and displaying a purchase price, said data processor having communication means for transmitting and receiving purchase data, and a wireless portable transceiver unit having memory means for storing data, said transceiver unit being capable of receiving and storing purchase data transmitted from and of transmitting purchase data stored in said memory means to said communication means if said communication means is within a communication range of said transceiver unit in response to a request signal received from said communication means. - View Dependent Claims (10, 11, 12, 13)
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Specification