ELECTROSTATIC DISCHARGE (ESD) PROTECTION USING BATTERY DOOR LOCK
Original Publication Date: 1995-Mar-01
Included in the Prior Art Database: 2002-Mar-22
PROBLEM STATEMENT SOLUTION The programming contacts on a pager are Use the battery door lock switch to protect the exposed and are therefore susceptible to electrostatic programming contacts (also known as the Serial discharge (ESD). An ESD hit could disable a pager, Communication Interface or SCI) when the pager is corrupt its memory, or cause other such damage to in normal use, that is, when the battery door is locked a pager. (see Figure I). When the pager needs to be pro- grammed, the latch is moved aside (see Figure 2), thus exposing the SC1 ports.