Signal transmission circuit comprising a coder and a decoder

Details Signal transmission circuit comprising a coder and a decoder Signal transmission circuit comprising a coder and a decoder

1975-06-17

1977-12-20

Morrison, Malcolm A.

Communications: electrical

Audible indication

Percussion-type sound producer

179 15S, 333 70T, H04M 119, H04K 106

Patent

active

040645053

ABSTRACT:
A coder and a decoder having delay elements of the same delay time arranged one after the other in which the signal transmission ratio code of the signal paths from the input of the circuit to the output is chosen in accordance with bessel coefficients so as to prevent disturbing echoes.

REFERENCES:
patent: 3225142 (1965-12-01), Schroeder
patent: 3631232 (1971-12-01), Perreault et al.

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