首页>
外国专利>
Telephone network safety plug/socket connection having plug with outer metallic contacts socket engaging and socket having outer contact pillars releasing switch when plug engaged.
Telephone network safety plug/socket connection having plug with outer metallic contacts socket engaging and socket having outer contact pillars releasing switch when plug engaged.
The telephone connection network unit has a plug (10) with outer metallic contacts contacting a socket (9) with a T shape. There are pillars (7a,7b) on the socket which contact the male plug outer area on switch closure opening a connection switch when contact complete.
展开▼