Boots – shoes – and leggings
Patent
1982-02-17
1984-12-18
Smith, Jerry
Boots, shoes, and leggings
364725, G06F 738
Patent
active
044893914
ABSTRACT:
A resonance characteristic control unit is provided with a first memory for storing first data corresponding to poles of a digital filter under a non-resonance condition, and a second memory for storing second data corresponding to poles of the filter under maximum resonance amplitude condition. The data stored in these memories are read out to calculate a filter coefficient corresponding to the resonance amplitude. The calculated resultant data is supplied to the digital filter to obtain a filtered output which is provided with a desired resonance characteristic.
REFERENCES:
patent: 3706076 (1972-12-01), Schuster
patent: 4146931 (1979-03-01), Delforge
Gabel, R. A., "A Parallel Arithmetic Hardware Structure for Recursive Digital Filtering, IEEE Trans. Acoustic, Speech, Signal Processing, ASSP-22 (4), 255-258 (1974).
Rader, C. M., "Digital Filter Design Techniques in the Frequency Domain", Proceedings of the IEEE, vol. 55, No. 2, Feb. 1967.
Esteban et al., "Microprogrammed Digital Filter", IBM Technical Disclosure Bulletin, vol. 18, No. 10, Mar. 1976.
Anderson, A. T., "Programable Digital Filter Performs Multiple Functions", Electronic Communications, pp. 78-84, Oct. 26, 1970.
Casio Computer Co. Ltd.
Fleming Michael R.
Smith Jerry
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