Abstract: An antenna device includes an antenna body, a circuit board, a joint, a transmission line conductor, and a line conductor. The antenna body includes a magnetic body and a conducting wire wound around the magnetic body in a spiral shape. The joint is disposed on the circuit board and coupled to an end of the conducting wire. The transmission line conductor is coupled to the joint. The line conductor is coupled to one of the end of the conducting wire and the transmission line conductor. At least one of a pattern and a length of the line conductor is changeable to adjust an equivalent impedance value of the antenna body.

Abstract: An antenna device includes a magnetic portion and a coil. The magnetic portion includes a plurality of magnetic pieces arranged. The plurality of magnetic pieces are individual pieces of a magnetic body. The coil is formed of a litz wire coiled around the magnetic portion. The litz wire includes a bundle of a plurality of conducting wires.

Abstract: An antenna device is formed by winding a conductive wire around a magnetic member unit, and in which the magnetic member unit comprises a plurality of magnetic-member individual pieces.

Abstract: An antenna device of a magnetic coupling type includes a magnetic body having a plate-like shape; and a coil, which is wound around the magnetic body.

Abstract: An antenna device includes an antenna body, a circuit board, a joint, a transmission line conductor, and a line conductor. The antenna body includes a magnetic body and a conducting wire wound around the magnetic body in a spiral shape. The joint is disposed on the circuit board and coupled to an end of the conducting wire. The transmission line conductor is coupled to the joint. The line conductor is coupled to one of the end of the conducting wire and the transmission line conductor. At least one of a pattern and a length of the line conductor is changeable to adjust an equivalent impedance value of the antenna body.

Abstract: An antenna device includes a magnetic portion and a coil. The magnetic portion includes a plurality of magnetic pieces arranged. The plurality of magnetic pieces are individual pieces of a magnetic body. The coil is formed of a litz wire coiled around the magnetic portion. The litz wire includes a bundle of a plurality of conducting wires.

Abstract: An antenna device includes a magnetic body and a coil of conducting wire wound around the magnetic body. The antenna device has an inductance held within a predetermined range by adjustment of certain predetermined parameters based on a magnetic permeability of the magnetic body. The predetermined parameters determine the inductance and relate to at least one of the magnetic body and the conducting wire.

Abstract: An antenna device, which has wide-angle directivity and a configuration suitable to be used in a portable electronic apparatus, includes a flat board-like substantially rectangular soft magnetic body, and a loop-shaped coil disposed from a front surface to a rear surface of the soft magnetic body such that a region surrounded by the coil includes at least a part of a specific edge, i.e., one edge out of four edges of the soft magnetic body, and does not include a facing edge that faces the specific edge.

Abstract: An antenna device is formed by winding a conductive wire around a magnetic member unit, and in which the magnetic member unit comprises a plurality of magnetic-member individual pieces.

Abstract: A coil antenna device includes a planar magnetic body and a conducting wire wound around the planar magnetic body multiple times as a coil having a prescribed length in a direction parallel to a long side of the magnetic body. The magnetic body includes at least one irregular portion having a different cross-sectional shape from a cross-sectional shape of another portion of the magnetic body at an intermediate position of the long side of the magnetic body, at which the conducting wire is wound around the magnetic body. The at least one irregular portion extends parallel to a short side of the magnetic body.

Abstract: An amplifier circuit performs an amplification of a carrier signal received by a transmitting and receiving unit. The amplifier circuit includes an impedance matching circuit that performs matching of an impedance of the amplifier circuit when the transmitting and receiving unit and the amplifier circuit are connected. A superposition wave generating unit generates a superposition wave which is superimposed on the received carrier signal. A driver outputs an amplified carrier signal which is obtained by adding the superposition wave to the received carrier signal. An amplitude detecting unit detects whether the received carrier signal is a predetermined carrier signal superimposed with a predetermined communication signal, based on changes of an amplitude value of the received carrier signal. When the predetermined carrier signal is detected, the amplifier circuit outputs the amplified carrier signal.

Abstract: An antenna device of a magnetic coupling type includes a magnetic body having a plate-like shape; and a coil, which is wound around the magnetic body.

Abstract: An amplifier circuit performs an amplification of a carrier signal received by a transmitting and receiving unit. The amplifier circuit includes an impedance matching circuit that performs matching of an impedance of the amplifier circuit when the transmitting and receiving unit and the amplifier circuit are connected. A superposition wave generating unit generates a superposition wave which is superimposed on the received carrier signal. A driver outputs an amplified carrier signal which is obtained by adding the superposition wave to the received carrier signal. An amplitude detecting unit detects whether the received carrier signal is a predetermined carrier signal superimposed with a predetermined communication signal, based on changes of an amplitude value of the received carrier signal. When the predetermined carrier signal is detected, the amplifier circuit outputs the amplified carrier signal.

Abstract: An antenna device, which has wide-angle directivity and a configuration suitable to be used in a portable electronic apparatus, includes a flat board-like substantially rectangular soft magnetic body, and a loop-shaped coil disposed from a front surface to a rear surface of the soft magnetic body such that a region surrounded by the coil includes at least a part of a specific edge, i.e., one edge out of four edges of the soft magnetic body, and does not include a facing edge that faces the specific edge.

Abstract: A method, apparatus, and program for image processing are provided to perform operations for generating an encoded image, detecting image alteration on the encoded image, and regenerating an original image from the encoded image. The encoded image is generated by an encoding apparatus, which inserts a redundant code into an LSB (least significant bit) bit-plane of the original image. The redundant code can be generated based on bit-planes other than the LSB bit-plane, using a CRC (cyclic redundancy check) method. A decoding apparatus recalculates a redundant code from the encoded image, and checks validity of the encoded image based on the extracted redundant code.

Abstract: A method, apparatus, and program for image processing are provided to perform operations for generating an encoded image, detecting image alteration on the encoded image, and regenerating an original image from the encoded image. The encoded image is generated by an encoding apparatus, which inserts a redundant code into an LSB (least significant bit) bit-plane of the original image. The redundant code can be generated based on bit-planes other than the LSB bit-plane, using a CRC (cyclic redundancy check) method. A decoding apparatus recalculates a redundant code from the encoded image, and checks validity of the encoded image based on the extracted redundant code.

Abstract: A method, apparatus, and program for image processing are provided to perform operations for generating an encoded image, detecting image alteration on the encoded image, and regenerating an original image from the encoded image. The encoded image is generated by an encoding apparatus, which inserts a redundant code into an LSB (least significant bit) bit-plane of the original image. The redundant code can be generated based on bit-planes other than the LSB bit-plane, using a CRC (cyclic redundancy check) method. A decoding apparatus recalculates a redundant code from the encoded image, and checks validity of the encoded image based on the extracted redundant code.

Abstract: Provided is an optical disk manufacturable by a conventional recording medium manufacturing method and that is capable of performing recording with an information recording apparatus used to perform recording on conventional recording mediums, and a data recording apparatus for recording contents data. An optical disk 100 has a structure in which a first substrate 110 and a second substrate 120 are bonded together. The first substrate is provided with a recording layer in which contents data is recorded, and the second substrate is provided with a visual information recording layer in which information enabling visual recognition of, for example, the contents of contents data or a title of the contents data is recorded as visual information.

Abstract: A method, apparatus, and program for image processing are provided to perform operations for generating an encoded image, detecting image alteration on the encoded image, and regenerating an original image from the encoded image. The encoded image is generated by an encoding apparatus, which inserts a redundant code into an LSB (least significant bit) bit-plane of the original image. The redundant code can be generated based on bit-planes other than the LSB bit-plane, using a CRC (cyclic redundancy check) method. A decoding apparatus recalculates a redundant code from the encoded image, and checks validity of the encoded image based on the extracted redundant code.

Abstract: From a parameter setting unit, a user enters values for monitor start time (STime), check time (ETime) and a telephone number for notification (TelNo). The entered parameter values are stored into a storage unit. A door opening/closing detection unit detects opening/closing of e.g. a bathroom door. During the period from STime to ETime, the number of detections is counted and if the counted value is at most a predetermined value, it is determined as abnormal. When the abnormality is detected, a communication unit is automatically connected via a general public line to TelNo set by the user. A telephone to be notified is then notified of the abnormal condition of an inhabitant. Thus, an abnormal condition detecting system can be provided capable of appropriately detecting the abnormal condition of the inhabitant and promptly taking action thereon.