| Patent Number |
Title Of Patent |
Date Issued |
| 4467315 |
Digital compandor having nonlinear companding characteristics |
August 21, 1984 |
| A compandor converts a linear code signal consisting of a polarity bit and a plurality of absolute value bits. The polarity bit represents the polarity of each sample value of an original analog signal. The absolute value bits represent the absolute value of the sample. The compandor |
| 4393367 |
Digital compandor having nonlinear companding characteristics |
July 12, 1983 |
| A compandor converts a linear code signal consisting of a polarity bit and a plurality of absolute value bits. The polarity bit represents the polarity of each sample value of an original analog signal. The absolute value bits represent the absolute value of the sample. The compandor |
| 4237552 |
Time division multiplexed transmission systems for telephone or like signals with frequency band |
December 2, 1980 |
| In a digital time division multiplexed telephone transmission system, a plurality of telephone signals are cyclically sampled and quantized so that each sampled value may be encoded into a binary codeword of a preset number of bits and that a series of codewords equal in number to the |
| 4099029 |
Asynchronous PCM common decoding apparatus |
July 4, 1978 |
| An asynchronous PCM common decoding apparatus decodes asynchronous PCM signals sent from a plurality of transmitter sources. The apparatus includes a plurality of receiver units each of which generate a digital signal to be decoded, a channel-number-designating signal, and a decode-r |