Abstract: The invention provides a signal processing device, including: an extraction section that extracts, from an input digital signal, a decoding target signal at an extraction timing that has been determined as a timing for extracting the decoding target signal; a decoding section that decodes the decoding target signal by estimating, by a maximum likelihood decoding, a candidate for a decoding result of the decoding target signal extracted by the extraction section and detecting a maximum likelihood decoding result; and an adjustment section that adjusts the extraction timing using a likelihood of the candidate for the decoding result estimated by the decoding section.

Abstract: The invention provides a signal processing device, including: an extraction section that extracts, from an input digital signal, a decoding target signal at an extraction timing that has been determined as a timing for extracting the decoding target signal; a decoding section that decodes the decoding target signal by estimating, by a maximum likelihood decoding, a candidate for a decoding result of the decoding target signal extracted by the extraction section and detecting a maximum likelihood decoding result; and an adjustment section that adjusts the extraction timing using a likelihood of the candidate for the decoding result estimated by the decoding section.

Abstract: A slim portable radio communication device housing that can be connected to an external input/output connector without removing a battery pack. A fitting mount of a battery pack is rotatably fitted to the radio communication device housing via shafts. The battery pack is detachably fitted to the fitting mount.

Abstract: A portable radio device in which a radio telephone device body and a receiver unit are separately constructed and connected together by a pair of adjustable supporting rods. As a result, the distance between the radio telephone device body and the receiver unit can be adjusted according to whether the device is being used as a telephone unit or a pager unit. While being used as a telephone, the distance between a receiver and a microphone can be easily adjusted to the distance between an ear and a mouth of a user. When the device is used as a paper, it can be miniaturized so as to be conveniently carried.

Abstract: A housing for a portable radio telephone device to which a part thereof is exposed externally at a position recessed from an outer surface of a portable radio telephone device so that the part does not contact the skin whereby heat generated within the portable radio telephone device is efficiently radiated outside and a reliable operability is provided without the outersurface portions to thereof become too hot or cold to comfortably hold by hand.

Abstract: A telephone set and a handset are provided which are capable for preventing acoustic coupling between a telephone transmitter and a telephone receiver by isolating the transmitter from the region of the receiver.