H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/18 (2006.01) G06F 3/00 (2006.01) G06F 15/76 (2006.01) G09G 5/22 (2006.01) G11B 23/00 (2006.01) H04Q 7/14 (2006.01) G09G 5/36 (2006.01)
Patent
CA 2256980
A portable radio information terminal apparatus includes an image displaying unit and a plurality of input devices each for entering an independent input signal and is capable of carrying out control of information based on a plurality of hierarchical layers. The portable radio information terminal apparatus is further provided with: a standalone/simultaneous-input-signals judging means for forming a judgment as to whether an input signal generated by the input devices is a plurality of simultaneous input signals generated at the same time by the input devices or a standalone input signal generated by one of the input devices during an operation carried out by the portable radio information terminal apparatus at one of the hierarchical layers; and an infra-layer transition means for carrying out a screen operation based on an infra-layer transition to switch a displayed screen associated with one of the hierarchical layers to another screen associated with the same hierarchical layer without a transition from the same hierarchical layer to another hierarchical layer in the case of an outcome of the judgment formed by the standalone/simultaneous-input-signals judging means indicating that an input signal generated by the input means is a plurality of simultaneous input signals generated at the same time by the input devices.
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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