Figure 72 Camera subsystem block diagram
User interface
Resistive touch screen
Proximity sensor
The proximity sensor is used to turn off the touch input, when the phone is against user’s ear during call.
This prevents accidental touch signals that could happen when, for example, user’s cheek touches the phone.
The main parts of the proximity sensor subsystem are:
•
Proximity sensor
•
Proximity boot (mechanical part)
Figure 73 Proximity sensor and boot
RM-505; RM-506
System Module and User Interface
Page 8 –24
COMPANY CONFIDENTIAL
Issue 1
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