OUTDOOR PUBLIC TELEPHONE BOOTH Russian patent published in 2000 - IPC

FIELD: communication equipment, in particular, for towns, villages, roads, railroads, mines. SUBSTANCE: device has egg-shaped housing, which has bulge in its upper front member, which contains microphone insets and electroacoustic transducers. Front member of housing carries keypad plate with digits, under which magnetic contact transducers are located. Bulge in upper front member of housing carries cylindrical magnetic circuit, which has external poles and winding on central rod, which free end is designed as cone, which is pressed against outer cylindrical magnetic circuit with winding on central ferromagnetic rod, which is connected to ear telephone inset of telephone handset. In addition, permanent magnet is located about said magnetic circuits. EFFECT: increased protection of telephone booths against vandalism. 10 cl