Telephone pay station
US4638121A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1985 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Jul 10, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M17/026
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A coin receiving prepay telephone station for local calls includes a telephone receiver and transmitter with a handset and a supporting hook switch cradle therefor. The station further includes a coin chute having an open end for receiving a coin and a lower end for discharging coins into a coin box. A solenoid controlled arm is movable transversely into and out of the coin chute adjacent a level near the open end for normally retaining a coin deposited in the chute in a partially exposed retrievable position permitting manual extraction from the chute if a call dialed from the station is not answered. Circuitry is provided for activating the solenoid controlled arm to move out of the coin chute permitting the coin previously retained therein to drop into the coin box when a called party answers a call of over three digits dialed at the station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.