Data transmission system utilizing power line

Communications: electrical – Systems – Selsyn type

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

34082502, 455 14, H04B 356

Patent

active

045995982

ABSTRACT:
A data transmission system utilizing a power line comprises a transmitter (1), a receiver (2) and a repeater (5) coupled to a power line (3). Control data including a start code in the form of a high frequency signal is transmitted from the transmitter (1) in superposition on an alternating current of the commercial power supply using the power line. The repeater receives the control data transmitted from the transmitter, thereby to store the control data in a memory responsive to the start code. The control data is then read from the memory after the lapse of a predetermined period of time and is retransmitted to the receiver in a predetermined level. The receiver receives the control data, thereby to control an apparatus being controlled such as a relay, whereupon the same transmits in a return manner the data representing a control state thereof. The repeater receives the data and transmits the same to the transmitter.

REFERENCES:
patent: 3944723 (1976-03-01), Fong
patent: 3967264 (1976-06-01), Whyte
patent: 3973240 (1976-08-01), Fong
patent: 4097692 (1978-06-01), Felix
patent: 4142178 (1979-02-01), Whyte
patent: 4204195 (1980-05-01), Bogacki
patent: 4250489 (1981-02-01), Dudash
patent: 4377804 (1983-03-01), Suzuki
patent: 4427968 (1984-01-01), York
patent: 4516122 (1985-05-01), Tomikawa

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Data transmission system utilizing power line does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data transmission system utilizing power line, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data transmission system utilizing power line will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1454030

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.