Signal processing device for analogue to digital conversion

Details Signal processing device for analogue to digital conversion Signal processing device for analogue to digital conversion

1989-08-29

1991-07-02

Shoop, Jr., William M.

Coded data generation or conversion

Quantizer

341123, 341131, 341139, 341156, H03M 100

Patent

active

050289276

ABSTRACT:
A signal processing device comprises a comparator, a first reference signal generating unit, a second reference signal generating unit and reference signal controller and switch which is switched when the data head data of the input signal is detected by the controller. In the case when the content of the input signal is a clock producing data, the reference signal generated in a rapid process of the first reference signal generating unit is entered in the comparator, and in the case when the content of the input signal is a reproduction data, the reference signal generated in a slow process of the second reference signal generating unit is entered in the comparator so as to be compared with the input signal.

REFERENCES:
patent: 3729732 (1973-04-01), Yano
patent: 3855589 (1974-12-01), Solender
patent: 4198677 (1980-04-01), Brunner et al.
patent: 4336525 (1982-06-01), Chapple, III
patent: 4875045 (1989-10-01), Lynch et al.

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