Extended communication cable for a light pen or the like

Details Extended communication cable for a light pen or the like Extended communication cable for a light pen or the like

1994-08-11

1995-11-21

Chin, Stephen

Telegraphy

Systems

Position coordinate determination for writing

345180, 345182, 345183, G08C 2100

Patent

active

054689210

ABSTRACT:
An improved communication channel between two sites in which power for the second site is communicated via the cable from the first site's electrical source. Since the electrical source is used to create a higher voltage instead of power from the host apparatus at the first site, enhanced transmission is possible permitting the cable to extend in excess of one hundred fifty feet. Further, since the remote second site does not require any power at its location, it can operate in a wider range of applications and environments.

REFERENCES:
patent: 5051736 (1991-09-01), Bennett et al.

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