Maximum/minimum value determination apparatus

Details Maximum/minimum value determination apparatus Maximum/minimum value determination apparatus

1997-10-28

1999-04-13

Ngo, Chuong Dinh

Boots, shoes, and leggings

364602, G06F 700, G06J 712

Patent

active

058944265

ABSTRACT:
A maximum/minimum value determination apparatus for determining a maximum/minimum value between two digital signals includes two conversion modules each of which receives a first digital signal and a second digital signal and outputs a first analog signal and a second analog signal respectively, where the first analog signal and the second analog signal are respectively linearly related to the first digital signal and the second digital signal. A difference amplifier is connected to the two conversion modules for receiving the first analog signal and the second analog signal and outputting a selecting signal which is either a logical high signal or a logical low signal according to a difference between the first analog signal and the second analog signal. A first multiplexer is adapted to receive the first digital signal, the second digital signal, and the selecting signal and output a maximum of the first digital signal and the second digital signal according to the selecting signal. A second multiplexer adapted to receive the first digital signal, the second digital signal, and the selecting signal and output a minimum of the first digital signal and the second digital signal according to the selecting signal.

REFERENCES:
patent: 4410960 (1983-10-01), Kasuya
patent: 4774688 (1988-09-01), Kobayashi et al.
patent: 4970637 (1990-11-01), Sato
patent: 5715186 (1998-02-01), Curtet

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