Method of selecting electronic scale operating mode, and electro

Details Method of selecting electronic scale operating mode, and electro Method of selecting electronic scale operating mode, and electro

1983-02-22

1985-04-09

Goldberg, E. A.

Weighing scales

Processes

177 25, 177 50, 177165, 364466, G01G 900, G01G 19413

Patent

active

045096082

ABSTRACT:
A method of selecting the operating mode of an electronic scale, and an electronic scale using said method, wherein either a computing mode or a checking mode is selected and operation is executed based on the selected mode. The computing mode is a mode wherein an arithmetic operation is performed based on the weight of articles sensed by a weight sensor and on items of data input from an input device having a plurality of keys, and wherein a display device displays information relating to the articles, which information includes the result of the arithmetic operation. The checking mode is a mode wherein the operation of the electronic scale is checked for abnormality. The method includes steps of sensing the state of each key of the input device at the time that power is introduced to the electronic scale, selecting the computing mode to enable execution of operation in said mode when it is sensed in the first step that no key of the input device is in the ON state, and selecting the checking mode to enable execution of operation in said mode when it is sensed in the first step that any key of the input device is in the ON state.

REFERENCES:
patent: 3899951 (1975-08-01), Griffith et al.
patent: 4412591 (1983-11-01), Reichmuth et al.
patent: 4415048 (1983-11-01), Teraoka

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