Boots – shoes – and leggings
Patent
1985-11-05
1989-03-14
Harkcom, Gary V.
Boots, shoes, and leggings
328165, G06F 738, H03B 100
Patent
active
048129879
ABSTRACT:
A wave shaping circuit includes a digital sampling circuit for sampling an input signal and producing a digital signal. The sampled signal is detected by a sign detector for detecting whether it is positive or negative. A unit difference generator is provided for generating a unit difference which is equal to a difference increased, during one sampling cycle, in a positive or negative direction as detected by the sign detector. A register is provided for storing a summed difference obtained in the previous sampling cycle. The summed difference is multiplied by a predetermined coefficient which is between 0 and 1 so that the product changes exponentially. A first adder is provided for adding the summed difference multiplied by the coefficient with the unit difference. The added result is stored in the register. A second adder is provided for adding the sampled input signal with the summed signal stored in the register, and producing a corrected signal.
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patent: 3579123 (1971-05-01), Koga
patent: 4034196 (1977-07-01), Butterweck et al.
patent: 4283788 (1981-08-01), Tamburelli
patent: 4528678 (1985-07-01), Udren
National Convention Record, 1984, The Institute of Electronics and Communication Engineers of Japan (Part 1).
The Technology Research Report, 1984, The Institute of Electronics and Communication Engineers of Japan.
Iwaki Tetsuo
Koyanagi Katsubumi
Sasada Taizo
Yamawaki Chiaki
Harkcom Gary V.
Nguyen Long Thanh
Sharp Kabushiki Kaisha
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