Boots – shoes – and leggings
Patent
1980-02-25
1982-08-10
Smith, Jerry
Boots, shoes, and leggings
179 1SA, 179 1SM, G06F 1534, G10L 100
Patent
active
043441483
ABSTRACT:
A system using a digital filter for generating complex waveforms, such as human speech. The filter has a multiplier, an adder coupled to the output of the multiplier and various delay circuits coupled to the output of the adder. A latch memory is coupled to the output of one of the delay circuits. Switching circuits are provided for the output of the delay and the latch memory to inputs of the multiplier and the adder to selected times. Coefficients of the filter are preferably stored in a memory coupled to another input of the multiplier. The excitation signal is coupled to the adder in one embodiment and to the multiplier in another embodiment.
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patent: 3908085 (1975-09-01), Gagnon
patent: 3975587 (1976-08-01), Dunn et al.
patent: 4022974 (1977-05-01), Kohut et al.
patent: 4052563 (1977-10-01), Noda et al.
patent: 4058676 (1977-11-01), Wilkes et al.
Brantingham George L.
Wiggins, Jr. Richard H.
Comfort James T.
Hiller William E.
Sharp Melvin
Smith Jerry
Texas Instruments Incorporated
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