Nokia patent applications published on 16 April 2009

15 US patent applications published on 16 April 2009 and assigned to Nokia

1 20090100170 APPARATUS, METHOD, COMPUTER PROGRAM PRODUCT AND SYSTEM FOR REQUESTING ACKNOWLEDGMENT OF TRANSMITTED DATA PACKETS
2 20090100167 Messaging
3 20090100093 APPARATUS, SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR PREVIEWING MEDIA FILES
4 20090100003 Method, Apparatus and Computer Program Product for Enabling Access to a Dynamic Attribute Associated with a Service Point
5 20090099838 Text messaging device
6 20090098886 SYSTEM AND METHOD FOR PROVIDING PRESENCE NOTIFICATIONS BASED UPON WATCHER STATUS
7 20090098851 Simplified Method for IMS registration in the Event of Emergency Calls
8 20090098840 Apparatus and method for measuring the level of RF signals, and a transmitter including a wide band measurement circuit
9 20090097547 Fixed-Point Implementation of an Adaptive Image Filter with High Coding Efficiency
10 20090097545 Fixed-Point Implementation of an Adaptive Image Filter with High Coding Efficiency
11 20090097446 METHOD AND SYSTEM TO GUARANTEE SERVICE RECEPTION WITHIN BROADCAST SYSTEM
12 20090097428 Apparatus, method, and computer program product providing improved power management in wireless networks
13 20090097400 Method of Restoring a Ring System
14 20090097182 Circuitry protection arrangement
15 20090096580 SECURE AUTHENTICATION