Pay phone

Details Pay phone Pay phone

1998-08-04

2000-02-29

Kuntz, Curtis A.

Telephonic communications

With check operated control

379150, 379153, 379155, H04M 1700

Patent

active

060319011

ABSTRACT:
A pay phone includes a buffer block provided to buffer the falling of inserted coins, enabling inserted coins to be guided through a coin track and detected by sensor means, a motor controlled to turn a coin receiving control board through a set of gears, enabling inserted coins to be positively received by a coin receiving unit, and a link turned with a coin return unit to close the coin receiving unit when the handset is hung up.

REFERENCES:
patent: 3759441 (1973-09-01), Hamilton et al.
patent: 5483583 (1996-01-01), Chen
patent: 5704463 (1998-01-01), Morales
patent: 5887053 (1999-03-01), McGough
patent: 5949863 (1999-09-01), Tansky

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