Abstract: Provided is an information processing device capable of easily determining the number of times of charge/discharge of each of a plurality of secondary battery packs, the information processing device including a charge/discharge execution unit (21, 22, 23) having the following configuration.

Abstract: Provided is an information processing device capable of easily determining the number of times of charge/discharge of each of a plurality of secondary battery packs, the information processing device including a charge/discharge execution unit (21, 22, 23) having the following configuration.

Abstract: Disclosed are a method and an apparatus for identifying audio equipment plugs to be connected to a jack interface of an IT terminal including a common jack interface for a headphone, an earphone microphone and a stereo microphone and for automatically providing appropriate setup. An audio CODEC 50 is connected by way of an input/output selector circuit 42 to a jack interface 10 to which an audio equipment plug 70 is to be connected. Also connected to the LEFT and RIGHT signal terminals of the jack interface 10 is an R-V conversion circuit 20. The output voltages V-LEFT 201 and V-RIGHT 202 from the R-V conversion circuit 20 are compared with a reference voltage by comparator circuits 31, 32 for controlling controllers 41, 51 of an input/output selector circuit 42 and an audio CODEC 50 by the comparison outputs.

Abstract: Using a 4-pin audio jack, 3-pin signal interfaces including the ground interface are assigned with conventionally used earphone/microphone functions (one microphone input and one speaker output), while the other interface corresponding to the fourth pin is assigned with a function of microphone input for voice recognition in high noise environment. This function is made effective only when a connected audio device requires such function.

Abstract: All light-emitting devices 71 to 73 are caused to emit lights, and the colored lights by light-emitting devices 71 to 73 are radiated to two-dimensional barcode 10 to read barcode information only of a black pattern by CMOS imager 20. Information corresponding to this barcode information is displayed on display section 90. When a user selects information by using input section 100 from among all the information, a light-emitting device corresponding to the selection is caused to emit a light, and a reading operation is performed.

Abstract: All light-emitting devices 71 to 73 are caused to emit lights, and the colored lights by light-emitting devices 71 to 73 are radiated to two-dimensional barcode 10 to read barcode information only of a black pattern by CMOS imager 20. Information corresponding to this barcode information is displayed on display section 90. When a user selects information by using input section 100 from among all the information, a light-emitting device corresponding to the selection is caused to emit a light, and a reading operation is performed.

Abstract: Using a 4-pin audio jack, 3-pin signal interfaces including the ground interface are assigned with conventionally used earphone/microphone functions (one microphone input and one speaker output), while the other interface corresponding to the fourth pin is assigned with a function of microphone input for voice recognition in high noise environment. This function is made effective only when a connected audio device requires such function.

Abstract: Disclosed are a method and an apparatus for identifying audio equipment plugs to be connected to a jack interface of an IT terminal including a common jack interface for a headphone, an earphone microphone and a stereo microphone and for automatically providing appropriate setup. An audio CODEC 50 is connected by way of an input/output selector circuit 42 to a jack interface 10 to which an audio equipment plug 70 is to be connected. Also connected to the LEFT and RIGHT signal terminals of the jack interface 10 is an R-V conversion circuit 20. The output voltages V-LEFT 201 and V-RIGHT 202 from the R-V conversion circuit 20 are compared with a reference voltage by comparator circuits 31, 32 for controlling controllers 41, 51 of an input/output selector circuit 42 and an audio CODEC 50 by the comparison outputs.