Communications: electrical – Continuously variable indicating – With meter reading
Patent
1987-05-27
1987-12-29
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
358 86, H04Q 914, H04N 700
Patent
active
047164107
ABSTRACT:
A CATV data transmission method in which data is transmitted to terminal units having their own addresses by addressing. Each terminal unit has a memory storing its own address and a plurality of group addresses, each being used for collectively transmitting data to the terminal units in the respective group. When addressed by the data transmission side, the terminal unit performs comparison with its own address and comparison with the group addresses successively. When coincidence is obtained in the comparison, data is received from the terminal unit.
REFERENCES:
patent: 4455570 (1984-06-01), Saeki et al.
patent: 4476488 (1984-10-01), Merrell
patent: 4536791 (1985-08-01), Campbell et al.
patent: 4600921 (1986-07-01), Thomas
Pioneer Electronic Corporation
Yusko Donald J.
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