Shock preventing telephone handset for paystation
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United States of America Patent
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-
May 23, 1995
Grant Date -
N/A
app pub date -
Mar 31, 1994
filing date -
Mar 31, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Shock prevention elements for use in a telephone paystation handset consisting of a pair of polyester dielectric elements positioned over associated transmitter and receiver units so as to block high voltage potentials resulting from application of collect and refund signals applied to the paystation from an associated telephone central office.
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