Coded data generation or conversion – Quantizer
Patent
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.
Nishioka Yoshiki
Sakamoto Noriaki
Sugiura Teruki
Taguchi Aisaku
Gibson Randy
Sharp Kabushiki Kaisha
Shoop Jr. William M.
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