MODULE PUBLIC TELEPHONE SET Russian patent published in 2000 - IPC

FIELD: communication. SUBSTANCE: invention refers to telephone sets of modular design based on two units including correspondingly telephone mechanisms and box to collect coins arranged one above other. Door of upper unit is provided with several windows to join and fix various modules, specifically, module for insertion of credit cards, module for insertion of coins, module of indicator, module for dialing of number, module for return of coins and module for telephone receiver. Some of them can be discarded and replaced with proper covers. EFFECT: simplified process of assembly and increased strength of telephone set. 11 cl, 48 dwg