Boots – shoes – and leggings
Patent
1981-10-28
1984-08-07
Smith, Jerry
Boots, shoes, and leggings
360 40, 340347DD, G06F 306, G11B 509, H03K 1324
Patent
active
044647140
ABSTRACT:
A system for transmitting digital information including a coding arrangement, a transfer medium, for example a record carrier, and a decoding arrangement.
In the coding arrangement the digital information is received as groups of input words which are encoded to form code words, each code word corresponding to an input word. Each code word has a time duration equal to s.tau..sub.O and each is assembled from M subgroups G.sub.m of I signal positions t.sub.mi spaced by equal time intervals .tau., where m is a number from 1 to M, inclusive, corresponding to a subgroup G.sub.m and i is a number within each subgroup G.sub.m from 1 to I inclusive. In each subgroup G.sub.m, k of these signal positions t.sub.mi are always occupied by a signal which is distinguishable from the signal in unoccupied positions, where k is an integer smaller than I (1.ltoreq.k.ltoreq.I-1). The first positions of the subgroups G.sub.m are located at mutually different time intervals .epsilon..sub.m from the beginning of the code word, where O.ltoreq..epsilon..sub.m .ltoreq..tau. with the restrictions M.gtoreq.2 and ##EQU1## and the group of code words for which it holds that M=2, I=s=2, k=1,.tau.=.tau..sub.O and .epsilon..sub.2 =.epsilon..sub.1 +1/2.tau. being excepted.
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Carasso Marino G.
Huijser Arie
Verboom Johannes J.
Mayer Robert T.
Smith Jerry
Tamoshunas Algy
U.S. Philips Corporation
Watson Mark P.
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