Abstract: The present invention aims at providing a contactless card that enables a reader/writer to identify which card such reader/writer is communicating with in a set of card identification processes and that improves the possibility of protecting the cardholder's privacy. Contactless card (200) includes: power detection unit (203); random number ID generation unit (210) that determines an identifier that identifies card (200), every time power detection unit (203) detects that electric power has been supplied; ID storage unit (2081) that holds the determined identifier; sending/receiving circuit (204) that receives a command requesting that the identifier that identifies card (200) should be sent to reader/writer (100), and sending/receiving circuit (204) sends, to reader/writer (100), the determined identifier in the case where the received command is a first-received command, and the held identifier in the case where the received command is a second- or later-received command.

Abstract: A tracking control apparatus for stable tracking lead-in of an optical disc which has wobble grooves as tracks, including: a signal detection unit that detects tracking error and wobble signals from an optical spot; a speed detection unit that calculates a relative moving speed between the optical spot and the tracks; a polarity judgment unit that judges that the optical spot is on a land if a wobble signal amplitude value is equal to or lower than a predetermined value in the vicinity of a zero-cross point; a moving direction judgment unit that, when the relative moving speed is within a predetermined range and the optical spot is on a land, judges a moving direction of the optical spot from a rise/decay direction of the tracking error signal; and a control unit that performs a tracking lead-in by reducing the moving speed, based on the moving speed and moving direction.

Abstract: The object of the present invention is to provide a semiconductor memory which executes executing multiple application programs and duplicating important data from one application program into another application program in security. An IC card (200) is one example of the semiconductor memory of the present invention, and executes executing multiple application programs.

Abstract: The present invention provides a semiconductor memory card with which a user can select processing for data that is stored in a readout destructive storage unit when the data is read out. An IC card (1300) includes: FeRAM (125) that stores a data which becomes uncertain in FeRAM (125) after the date is read out; a processing information storage unit (305) that stores processing mode determination information; a reading unit (301); a processing mode determination unit (303) that determines a mode of writing into a designated address of FeRAM (125), comparing the designated address with the information, when the data is read out by the reading unit (301); and a writing unit (302) that writes or does not write certain data into the designated address according to the mode determined after the data in the designated address is read out.

Abstract: There is provided a focus control device including sensor means (101); error signal synthesizing means (102); arithmetic means (103) having an error input portion (104), a disturbance addition portion for adding a first disturbance value group to a focus error value group generated by the error input portion and producing an output, a phase compensation portion for performing at least a phase compensation calculation and an amplification calculation according to an amplification calculation gain on the output of the disturbance addition portion and generating a drive value group, a drive output portion (106) for generating a drive signal based on the drive value group, a response detection portion for detecting a detection complex amplitude value based on the focus error value group, a second disturbance value group, a second disturbance value group, and a third disturbance value group, and a gain modification portion for modifying the amplification calculation gain; driving means (108); and a focus actuator

Abstract: A digital recording system for stereophonic audio signals is disclosed. Included is an MP3 encoder coupled to an ADC for encoding the two channels of digital audio signals into a compressed data stream. Before being directed into a flash memory for editing, the compressed data stream is split into the original two channels of audio data blocks. An editing device is coupled to the flash memory for block-by-block editing of the stored audio data blocks. On being subsequently retrieved from the flash memory, the two channels of audio data blocks are reformatted into an MP3 data stream preparatory to introduction into an MP3 decoder.

Abstract: The object of the present invention is to provide a semiconductor memory which is capable of executing multiple application programs and duplicating important data from one application program into another application program in security. An IC card (200) is one example of the semiconductor memory of the present invention, and is capable of executing multiple application programs.

Abstract: A portable terminal allows the user to flexibly and readily change an overlay output distribution for reproduced data in accordance with the user's taste and can automatically control the overlay output distribution in accordance with a surrounding environment. A setting means sets output parameters which are parameters related to reproduced data output for each reproduced data. A data output control means processes each of the reproduced data based on the output parameters set by the setting means and outputs the processed output data.

Abstract: The present invention provides an optical recording medium capable of detecting groove start signals and groove end signals with an inexpensive detection circuit and allowing quick, stable clock detection and tracking pull-in, which optical recording medium is constructed in such a way that the depth DG of the grooves satisfies DG/(?/N)<0.16, where ? is a wavelength of a light beam and N is an index of refraction of a substrate, and that the distance Ls between the groove edge and the pit closest thereto satisfies Ls>1.2 FWHM, where FWHM is a full width at half maximum of the light beam in the track direction.

Abstract: The present invention provides a wireless communications terminal capable of preventing radio interferences from being caused by other wireless communications concurrent with a contactless communications. A wireless communications terminal (101) receives, in a contactless communications, a command from a reader/writer (105) via a second wireless communications section (209), and analyzes the received command. The wireless communications terminal (101) controls a wireless communications control section (210) to deactivate or temporarily deactivate the function of a first wireless communications section (208) depending on the analysis of the command. After the function of the first wireless communications section (208) is deactivated or temporarily deactivated, the wireless communications terminal (101) accesses a memory area of an IC card microcomputer system (300) as specified by the command to perform a contactless communications.

Abstract: A memory card that makes it possible to select the service provided by changing an adapter instead of having selection switches on the outer appearance of the card. The memory card is capable of executing one of a plurality of applications that correspond to individual services and comprises: an adapter that designates one of the services; a main card body to which the adapter is removably connected; an interface for an external device; a memory unit that stores information of the plurality of applications; a detection unit that detects whether or not an adapter is connected to the main card body; and a CPU or LSI that executes the selected application based on the detection signal to provide the service to the external device.

Abstract: The present invention provides a deficiency detecting apparatus that can accurately detect dusts and deficiencies on an optical disk even when an emitting power of a laser light source changes. The deficiency detecting apparatus is provided with a deficiency detecting section for detecting deficiencies or the like on an optical disk by reflected light, and a power adjusting section for adjusting an emitting power of a laser light source to be an optimum value. The deficiency detecting section can accurately detect the deficiencies on the optical disk even when the laser power changes by comparing a threshold value, which is determined in accordance with the adjustment result of the power adjusting section, with a value in accordance with the reflected light.

Abstract: If a scene specifying button (202) is pressed while a TV program is being viewed (S601), scene specification information including a point in time, a channel, and the like is generated (S602). The broadcast data of a scene corresponding to this scene specification information is retrieved from a related information storage section 404 (S603). The retrieved broadcast data is subjected to format conversion so as to become text data (S604). The text obtained by the format conversion is put into the body of an electronic mail (S605). After a complementary addition is made to the body of the electronic mail as necessary (S606 and S607), the electronic mail which is completed is transmitted to a destination user (S608). This makes it possible to create a mail easily and accurately, so that a communication system that fulfills the necessity of immediate response is realized.

Abstract: A contactless integrated circuit (IC) card (11) is comprised of the following: a first antenna coil (102) and a second antenna coil (103) for generating an electromotive force by receiving electromagnetic waves from a reader/writer; a first electromotive force measuring unit (311) and a second electromotive force measuring unit (312) for respectively measuring the electromotive force generated by each of the antenna coils; an electromotive force comparing unit (313) for comparing the characteristics of the electromotive forces which are respectively generated by the respective antenna coils and then measured; and an application selecting/executing unit (215) for selecting one application from a program storing unit (216) based on the comparison made by the electromotive force comparing unit (313) and executing the selected application.

Abstract: Via a mobile communication network, a transmission apparatus receives position information representing a current position of a reception apparatus. Based on the received position information, the transmission apparatus generates notice data indicating that it is necessary to correct preprogrammed program information identifying a program which has been preprogrammed for viewing or preprogrammed for recording and being generated at the reception apparatus, and transmits the generated notice data to the reception apparatus. Accordingly, a transmission apparatus is provided which generates information that allows preprogramming of a broadcast program for viewing or recording to be properly performed at the reception apparatus side, or which generates a correct broadcast program table, and transmits the generated information or program table to the reception apparatus.

Abstract: Via a mobile communication network, a transmission apparatus receives position information representing a current position of a reception apparatus. Based on the received position information, the transmission apparatus generates notice data indicating that it is necessary to correct preprogrammed program information identifying a program which has been preprogrammed for viewing or preprogrammed for recording and being generated at the reception apparatus, and transmits the generated notice data to the reception apparatus. Accordingly, a transmission apparatus is provided which generates information that allows preprogramming of a broadcast program for viewing or recording to be properly performed at the reception apparatus side, or which generates a correct broadcast program table, and transmits the generated information or program table to the reception apparatus.

Abstract: To provide an optical recording medium and an eccentricity amount detecting device using the same that can detect an eccentricity amount representing a relative displacement amount in a radiation direction between a beam spot irradiated onto the optical recording medium and the optical recording medium. In the optical recording medium, a plurality (N) of servo areas (113) each including a first wobble mark (211) and a second wobble mark (212) and a plurality (N) of data areas for performing information recording and reproduction are arranged alternatively in a circumferential direction. Each of the servo areas is composed of a plurality of servo pattern areas (210a to 210c) arranged in the radial direction, which vary in a distance in the circumferential direction between the first wobble mark and the second wobble mark. The plurality of servo pattern areas include the same number of tracks, and the number is less than N/(2×?).

Abstract: A tracking control apparatus for stable tracking lead-in of an optical disc which has wobble grooves as tracks, including: a signal detection unit that detects tracking error and wobble signals from an optical spot; a speed detection unit that calculates a relative moving speed between the optical spot and the tracks; a polarity judgment unit that judges that the optical spot is on a land if a wobble signal amplitude value is equal to or lower than a predetermined value in the vicinity of a zero-cross point; a moving direction judgment unit that, when the relative moving speed is within a predetermined range and the optical spot is on a land, judges a moving direction of the optical spot from a rise/decay direction of the tracking error signal; and a control unit that performs a tracking lead-in by reducing the moving speed, based on the moving speed and moving direction.

Abstract: A reception display apparatus for receiving data blocks repeatedly transmitted from a broadcasting station at regular intervals and displaying a screen image based on the received data blocks. Each of the data blocks including a data section. Data to be displayed as the screen image is divided into a plurality of data sections.

Abstract: The IC card is capable of providing a plurality of services to an external device on one card, and comprises: a interface for the external device; a switch disposed on the IC card and that selects a service; a memory unit recording a information corresponding to a plurality of services and having a plurality areas each storing different information from another areas in security level; a CPU reading/writing information from/to the memory unit based on the service selected by the switch, and provides the selected service to the external device by way of the interface; a security level judgment unit judging the security level on an access status by the application to the memory areas; and a display unit displaying a kind of selected service or a security level of the service.