Abstract: An image reading device having a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: A light guide unit includes, a first light guide that takes a light incident upon one end surface and emits a light from other end surface and from a light emitter on a side surface of the first light guide, and a second light guide that takes the light emitted from the other end surface of the first light guide then incident upon one end surface of the second light guide, and emits the light from a light emitter on a side surface of the second light guide. The first light guide includes a first mating member, and the second light guide includes a second mating member engaging with a first alignment member such that the side surface of the first light guide having the light emitter and the side surface of the second light guide having the light emitter are flush with each other.

Abstract: An image reading device includes: a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: An image reading device having a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: An image reading device having a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: An RFID tag characterized in including: a dielectric substrate having a hole formed in one main surface thereof; a ground conductive pattern disposed on another main surface of this dielectric substrate; a conductive pattern disposed on the one main surface of the above-mentioned dielectric substrate in such a way as to be placed in an inner portion of the dielectric substrate at a predetermined distance from each of edges of the above-mentioned dielectric substrate, a slot being formed in this conductive pattern; and an IC chip electrically connected to the above-mentioned conductive pattern via this slot, and inserted into the above-mentioned hole of the above-mentioned dielectric substrate.

Abstract: An image reading device having a compact plane-shaped illumination portion is provided, by which a portion of a target to be light-irradiated can be irradiated with light whose oblique angles are different from each other, and a transmission part of the target can be read. The image reading device includes a conveying means for conveying in a conveying direction a target to be light-irradiated including a transparent portion, a lens assembly, arranged on one side of the target, for focusing transmission light having passed through the transparent portion of the target, a sensor for receiving the transmission light focused by the lens assembly, a light source, positioned on the other side of the target, arranged in a main-scanning direction, and a light guide for guiding light from the light source in a sub-scanning direction, and the light guide having a reflective portion for reflecting the guided light and then irradiating a portion to be irradiated with the reflected light.

Abstract: A compact image reading device is provided in which a plurality of illumination devices are not needed, and by which a hologram image can be accurately identified in a short period.

Abstract: An image sensor includes: a light source that irradiates a light on an object; a lens body that converges a reflection of the light from the object; a plurality of IC chips that receive the reflection passed through the lens body; and a transparent member provided between the IC chips and the lens body. The transparent member includes a refractive index changing region provided at a portion opposite to a gap between adjacent IC chips. A refractive index in the refractive index changing region increases continuously or stepwise toward an inner portion of the transparent member from a surface of the transparent member on an IC chips side so that the refractive index changing region refracts a part of the reflection to be incident into the gap to the IC chips.

Abstract: An RFID tag characterized in including: a dielectric substrate having a hole formed in one main surface thereof; a ground conductive pattern disposed on another main surface of this dielectric substrate; a conductive pattern disposed on the one main surface of the above-mentioned dielectric substrate in such a way as to be placed in an inner portion of the dielectric substrate at a predetermined distance from each of edges of the above-mentioned dielectric substrate, a slot being formed in this conductive pattern; and an IC chip electrically connected to the above-mentioned conductive pattern via this slot, and inserted into the above-mentioned hole of the above-mentioned dielectric substrate.

Abstract: A compact image reading device is provided in which a plurality of illumination devices are not needed, and by which a hologram image can be accurately identified in a short period.

Abstract: An image reading device having a compact plane-shaped illumination portion is provided, by which a portion of a target to be light-irradiated can be irradiated with light whose oblique angles are different from each other, and a transmission part of the target can be read. The image reading device includes a conveying means for conveying in a conveying direction a target to be light-irradiated including a transparent portion, a lens assembly, arranged on one side of the target, for focusing transmission light having passed through the transparent portion of the target, a sensor for receiving the transmission light focused by the lens assembly, a light source, positioned on the other side of the target, arranged in a main-scanning direction, and a light guide for guiding light from the light source in a sub-scanning direction, and the light guide having a reflective portion for reflecting the guided light and then irradiating a portion to be irradiated with the reflected light.

Abstract: An image sensor includes: a light source that irradiates a light on an object; a lens body that converges a reflection of the light from the object; a plurality of IC chips that receive the reflection passed through the lens body; and a transparent member provided between the IC chips and the lens body. The transparent member includes a refractive index changing region provided at a portion opposite to a gap between adjacent IC chips. A refractive index in the refractive index changing region increases continuously or stepwise toward an inner portion of the transparent member from a surface of the transparent member on an IC chips side so that the refractive index changing region refracts a part of the reflection to be incident into the gap to the IC chips.

Abstract: An image reading device includes: a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: An image sensor includes: a light source that irradiates a light on an object; a lens body that converges a reflection of the light from the object; a plurality of IC chips that receive the reflection passed through the lens body; and a transparent member provided between the IC chips and the lens body. The transparent member includes a refractive index changing region provided at a portion opposite to a gap between adjacent IC chips. A refractive index in the refractive index changing region increases continuously or stepwise toward an inner portion of the transparent member from a surface of the transparent member on an IC chips side so that the refractive index changing region refracts a part of the reflection to be incident into the gap to the IC chips.

Abstract: An image sensor includes: a light source that irradiates a light on an object; a lens body that converges a reflection of the light from the object; a plurality of IC chips that receive the reflection passed through the lens body; and a transparent member provided between the IC chips and the lens body. The transparent member includes a refractive index changing region provided at a portion opposite to a gap between adjacent IC chips. A refractive index in the refractive index changing region increases continuously or stepwise toward an inner portion of the transparent member from a surface of the transparent member on an IC chips side so that the refractive index changing region refracts a part of the reflection to be incident into the gap to the IC chips.

Abstract: An image reading device includes: a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.

Abstract: An image sensor includes: a sensor substrate on that a large number of semiconductor chips each of which has a plurality of image pickup elements, are linearly arranged to receive the reflected light converged by the lens; and a transparent plate that is interposed between the lens and the sensor substrate, and provides a light path region corresponding to the boundary region between adjacent semiconductor chips with a refractive function, so that the vertical light incident on the boundary region between semiconductor chips 6 is refracted and incident dividedly to the directions of respective image pickup elements.

Abstract: An image sensor includes: a sensor substrate on that a large number of semiconductor chips each of which has a plurality of image pickup elements, are linearly arranged to receive the reflected light converged by the lens; and a transparent plate that is interposed between the lens and the sensor substrate, and provides a light path region corresponding to the boundary region between adjacent semiconductor chips with a refractive function, so that the vertical light incident on the boundary region between semiconductor chips 6 is refracted and incident dividedly to the directions of respective image pickup elements.