Analog-digital signal mixing transmission device
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United States of America Patent
Stats
-
Jul 17, 2018
Grant Date -
Jun 14, 2018
app pub date -
Jun 23, 2016
filing date -
Jul 8, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plurality of terminal devices 3 are connected to a parent device 1 to measure analog voltages of the terminals. Reference voltages 6 and measurement voltages 7 each having a polarity reverse to that of clocks are sequentially switched to be connected at gaps of clocks supplied by the parent device 1. Thus, the reference voltages 6 and the measurement voltages 7 of the terminal devices 3 are directly connected. With this mechanism, measurement of analog measurement signals at multiple points can be performed by use of a pair of electric wires, in which errors due to voltage drops of the measurement voltages 7 over the transmission line 2 are corrected with measurements of the reference voltages 6 whose voltage is known in advance so that precise analog measurements can be performed.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- H04L Class
- 37326 Applications Filed
- 27972 Patents Issued To-Date
- 74.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04L Class
- 0 % this patent is cited more than
- 7 Age
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