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ELECTROSTATIC DISCHARGE (ESD) PROTECTION USING BATTERY DOOR LOCK

IP.com Disclosure Number: IPCOM000007406D
Original Publication Date: 1995-Mar-01
Included in the Prior Art Database: 2002-Mar-22
Document File: 1 page(s) / 43K

Publishing Venue

Motorola

Related People

Rami Levy: AUTHOR

Abstract

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.

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0 M MO-LA

Technical Developments Volume24 March 1995

ELECTROSTATIC DISCHARGE (ESD) PROTECTION USING BATTERY DOOR LOCK

by Rami Levy

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.

+ Battety Door Cover

Figure 1: Pager body, SCI perk eeverecl (rear view)

+- Battery Door Cover

- Batte Door Latch

(unloc ed position)

3;

Figure 2 Pager body, SCI ports exposed (rear view)

140 0 MOtOrola. Inc. 1995

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