Optical data receiver employing a solar cell resonant circuit and method for remote optical data communication
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United States of America Patent
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-
Feb 11, 1997
Issued Date -
N/A
app pub date -
Oct 11, 1995
filing date -
Oct 26, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A receiver circuit and method for receiving a signal having a given carrier frequency. The circuit comprises: (1) a solar cell receiver having a selected capacitance and (2) an inductive device having a selected inductance and coupled to the solar cell receiver, the solar cell receiver and the inductive device cooperating to form a resonant circuit having a selected resonant frequency associated therewith and being a function of the selected capacitance and the selected inductance, the resonant circuit resonating in response to a change in the signal to thereby allow the solar cell to receive data carried by the signal. By employing solar cell as part of a resonant circuit, the range of optical remote controls can be extended to as much as a mile. In one embodiment, the receiver circuit forms a portion of a remote-controlled pool or spa.
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