Abstract: An information storage device includes a storage that stores transfer data from an information processing device, the information storage device being removably connected to the information processing device, a switch unit that switches a data transfer mode of the information processing device in accordance with manipulation by a user, and a controller that controls the information processing device to transfer data in a mode in which data temporarily stored in a data storing area is transferred to the storage or in a mode in which data is transferred to the storage without being temporarily stored in the data storing area in accordance with the selection of the data transfer mode by the switch unit.

Abstract: A signal processing device includes a detecting part that detects intensity of an input signal, a timer part that includes a time constant circuit and measures time based on a time constant of the time constant circuit, and a determination circuit that counts the number of times of switching of the input signal detected by the detecting part within the time measured by the time constant circuit.

Abstract: A signal processing device includes a detecting part that detects intensity of an input signal, a timer part that includes a time constant circuit and measures time based on a time constant of the time constant circuit, and a determination circuit that counts the number of times of switching of the input signal detected by the detecting part within the time measured by the time constant circuit.

Abstract: An information storage device includes a storage that stores transfer data from an information processing device, the information storage device being removably connected to the information processing device, a switch unit that switches a data transfer mode of the information processing device in accordance with manipulation by a user, and a controller that controls the information processing device to transfer data in a mode in which data temporarily stored in a data storing area is transferred to the storage or in a mode in which data is transferred to the storage without being temporarily stored in the data storing area in accordance with the selection of the data transfer mode by the switch unit.

Abstract: A portable electronic device includes a transmitting circuit, an X-ray detector, and a controller. The transmitting circuit includes a power amplifier for amplifying radio waves. The detector is arranged to detect X-rays radiated from an installation arranged on a passageway to an area where radiation of electromagnetic waves is restricted. When X-rays with a certain intensity or more are detected by the detector, a controller recognizes that the device is about to enter the area, and reduce the gain of the power amplifier, so that the transmitting circuit is set to be unable to radiate radio waves.

Abstract: An information processor includes a display case having a display panel therein. A antenna is disposed in an upper end of the display case opposite a hinge mechanism connecting the display case to a main body. The display case is movable between an open and a closed position. The antenna has radiation characteristics that provide reception and transmission capability when the display case is either in the open or closed position.

Abstract: An information processor includes a display case having a display panel therein. A antenna is disposed in an upper end of the display case opposite a hinge mechanism connecting the display case to a main body. The display case is movable between an open and a closed position. The antenna has radiation characteristics that provide reception and transmission capability when the display case is either in the open or closed position.

Abstract: In the synchronous tracking apparatus of a spread spectrum receiver, data obtained by multiplying a receive signal by a pseudo-noise code for receiving is time-shared by differing time-sharing circuits, first and second correlation properties are created which are asymmetrical on both sides with respect to a correlation value axis in which the phase difference between a pseudo-noise code for transmitting contained in the receive signal and a pseudo-noise code for receiving is 0, a delay discriminating property is created by combining these correlation properties, a pseudo-noise code for receiving is controlled based on this delay discriminating property and the pseudo-noise code for transmitting tracks the pseudo-noise code for receiving.

Abstract: A spread spectrum communication apparatus for transmitting multiple signals such that signals transmitted from several transmitter-receivers can have the same PN code and yet not interfere with each other. A phase controller is used to control the phases of the PN codes from multiple transmitters so that the PN code phase is different for each transmitter. Thus, even though the same PN codes are transmitted, they all have different phases to prevent interference. This arrangement reduces the number of PN codes needed since only one PN code generator is needed for several receiver blocks.