Sony Corporation

Hiroya Usui

Tetsuo Urabe

Mikio Sugiki

Akira Todo

In a portable telephone device, a desired telephone number selected by an user from all or a part of telephone directory list is converted into audio data by an audio data converting circuit to transmit it to a communication partner, so that the telephone number corresponding to the audio data can be uttered as a voice at the partner side who receives the audio data. Thereby, a portable telephone device with improved user ability can be realized.

Portable wireless device

A liquid crystal display apparatus wherein laser beams which are modulated in accordance with modulating signals such as video signals are irradiated on a liquid crystal cell for writing the display image or picture on the cell. In the present invention, the laser beams emitted from two laser beam sources are combined at a polarization beam splitter with an angular offset between the respective optical axes equal to .DELTA..theta., and the picture components corresponding to two scanning lines are simultaneously written into the liquid crystal cell during one scanning period, for increasing the image writing speed.

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Kanagawa, Japan

Hiroya Usui