Apple patent applications published on 28 January 2010

6 US patent applications published on 28 January 2010 and assigned to Apple

1 20100022283 Systems and methods for noise cancellation and power management in a wireless headset
2 20100022269 Systems and methods for accelerometer usage in a wireless headset
3 20100020604 SHIFTING REFERENCE VALUES TO ACCOUNT FOR VOLTAGE SAG
4 20100020044 LIGHT SENSITIVE DISPLAY WITH SWITCHABLE DETECTION MODES
5 20100020004 LED BACKLIGHT DRIVER SYNCHRONIZATION AND POWER REDUCTION
6 20100018844 HOLD SWITCH