Nokia Mobile Phones Limited

Jurgen Hess

Peter Decker

Markus Schetelig

Guy Alexander Hooker

Andreas Pietsch

Jan Pingel

Jukka-Matti Karhu

Holger Hussmann

Uwe Dalisda

Holger Christiansen

The invention relates to a method for inputting information into a mobile radio telephone ( ) via its input data channel by appropriately moving a motion detector ( ) which belongs to the radio telephone ( ) and senses this movement. In this arrangement, the mobile radio telephone ( ) can be constructed to be pen-shaped and can contain the motion detector ( ) in its pen point.

Method for inputting information to a mobile radiotelephone

In order to inspect at least one antenna branch (A1, A2, . . . An), in particular in a vehicle, a power level to be radiated is initially fed into the antenna branch, after which a power level which is reflected in the antenna branch is sensed. Then, a relationship is formed between the fed-in power level and the reflected power level in order to obtain a quality signal indicating the quality of the antenna branch. This procedure can be carried out successively when there are a plurality of antenna branches, in order to select, as a function of the respective quality signal, that antenna branch at which the reflected power level is lowest. In this way, on the one hand, it is possible to check the matching of the antenna branches while, on the other hand, it is possible to ensure that, for example when specific antenna branches are damaged, it is always possible to find other antenna branches for satisfactory communication.

Method and device for inspecting at least one antenna branch, in

A method for adjusting the frequency of an oscillator for a receiver circuit comprising: downconverting a received signal to generate a downconverted signal, counting the number of zero crossings of the downconverted signal over a predefined time interval, determining a correction number of zero crossings based on the data of the downconverted signal over the predefined time interval, determining a corrected number of zero crossings for the received signal based on the counted number of zero crossings and the correction number of zero crossings, adjusting the frequency of the oscillator based on the corrected number of zero crossings.

Method for adjusting the frequency of an oscillator for a receiver

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Bochum, Germany

Jurgen Hess