H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/3
H04M 11/00 (2006.01) H04N 7/173 (2006.01)
Patent
CA 1152662
A B S T R A C T A system for accumulating data at a central station from data accumulators at a plurality of remote locations over nondedicated telephone lines connected to telephone sets at the remote locations, particularly where the data is billing data from subscribers to a pay television system and the locations at which the data is accumulated are subscriber stations, while minimizing the possibility of interference with normal telephone service to the telephone set.
407688
Block Robert S.
Martin John R.
Block Robert S.
Martin John R.
Ridout & Maybee Llp
LandOfFree
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