Coding equipment providing compressed code

Details Coding equipment providing compressed code Coding equipment providing compressed code

1974-04-09

1977-06-28

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

179 15AV, 340347M, H03K 1302

Patent

active

040329135

ABSTRACT:
In a parallel digital signal delivered from an AD converter, "1" appearing in a bit position nearest to the most significant digit (MSD) is detected, and the parallel digital signal is converted into a serial digital signal consisting of a weight character indicating this specific bit position and a data character indicating the numerical value of the data. Further, a weight bit is provided for changing the weight of the output of the AD converter depending on the analog quantity subjected to AD conversion so as to reduce the number of bits required for coding the parallel signal.

REFERENCES:
patent: 2970309 (1961-01-01), Towles
patent: 3069504 (1962-12-01), Kaneko
patent: 3460132 (1969-08-01), Juliusburger et al.
patent: 3500247 (1970-03-01), Sekimoto et al.
patent: 3594560 (1971-06-01), Stanley
patent: 3618047 (1971-11-01), Hertz
patent: 3631464 (1971-12-01), Dahlberg
patent: 3681574 (1972-08-01), Caulkin
patent: 3688221 (1972-08-01), Fruhalf
patent: 3789392 (1974-01-01), Candiani
patent: 3855589 (1974-12-01), Solender

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