摘要:
Disclosed is a planar monopole antenna including: a film formed of an insulating material; an antenna element which is a single-body planar conductor on the film; and a ground element which is a planar conductor on the film and kept at ground potential, wherein the antenna element includes: a first pole element which is formed of a planar body of a conductive material and has a feeding point; a capacitor element having a capacitor component and a coil element having a coil component, each of which is formed of a planar body of a conductive material and formed integral with the first pole element; and a second pole element which is formed of a planar body of a conductive material and formed integral with the capacitor element and the coil element.
摘要:
A film antenna comprises a base film formed of an insulating material; and first and second antenna elements of film-like electric conductors formed on the base film, wherein each of the first and second antenna elements is a planar shape in which two end faces from a feed point to a tip have two different lengths or a planar shape in which an end face and a diagonal line from a feed point to a tip have two different lengths, a core wire of a coaxial cable is connected to the first antenna element at the feed point, an external conductor of the coaxial cable is connected to the second antenna element at the feed point, and the first and second antenna elements have an area as a capacitor for performing impedance matching.
摘要:
An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer, an intermediate layer having a thickness of 2 nm to 70 nm, and a surface layer, which are disposed in this order on the conductive substrate. The refractive index n1 of the photosensitive layer, the refractive index n2 of the intermediate layer, and the refractive index n3 of the surface layer satisfy an inequality, n2>n3>n1.
摘要:
An object shooting condition judging device for an image shooting apparatus of the present invention includes: an ultraviolet light detecting element for detecting received ultraviolet light; comparing means for comparing ultraviolet light intensity detected by the ultraviolet light detecting element with predetermined intensity that has been determined in advance; and judging means for judging shooting conditions of an object based on the comparison result of the comparing means. This object shooting condition judging device enables quick response and is capable of adjusting white balance of images between indoors and outdoors in a simple and easy manner.
摘要:
There is provided: an electrophotographic photoreceptor including a photosensitive layer and a surface layer laminated on a conductive substrate in this order, the photosensitive layer including an organic substance, the surface layer including a group 13 element and nitrogen, a thickness of the surface layer being from about 0.01 μm to less than about 1 μm, and a center line average roughness (Ra) of a surface of the surface layer being about 0.01 μm or less; a manufacturing method thereof; a process cartridge; and an image forming device.
摘要:
There is provided: a semiconductor film formed on a base material, containing a group 13 element, nitrogen, and oxygen in an amount of about 15 atomic % or more; a manufacturing method thereof; a light receiving element using the semiconductor film; an electrophotographic photoreceptor; a process cartridge; and an image forming device.
摘要:
A light detecting device is fabricated to have the following structure: a light receiving element having a protective layer, in which a transparent conductive electrode, a semiconductor layer, an electrode and the protective layer are successively formed on a transparent substrate, is arranged on a first face of an insulating substrate having a terminal electrode formed to be exposed to first and second faces of the insulating substrate in such a manner that the protective layer is opposed to the first face of the insulating substrate; and further the transparent conductive electrode and the electrode are connected electrically to the terminal electrode exposed to the first face of the insulating substrate. The light detecting device having this structure is surface-mounted on a circuit board to connect the terminal electrode exposed to the second face of the insulating substrate to an external terminal of the circuit board.
摘要:
A portable information device such as a portable telephone, portable electronic mail device or portable navigator capable of measuring UV-rays with no deterioration of the display function is provided. In the device, a UV-ray sensor is disposed in an information display region. The UV-sensor has light sensitivity only to UV-rays and preferably has a light receiving surface made of a compound semiconductor.
摘要:
An electrophotographic photoreceptor essentially comprising a substrate having thereon a charge transporting layer and a charge generating layer is disclosed, wherein said charge transporting layer comprises at least one of silicon oxide, silicon carbide, and silicon nitride and contains a transition metal element. The photoreceptor exhibits stable electrophotographic characteristics on repeated use and prolonged durability.
摘要:
Disclosed is a multiband planar antenna including: an insulating film, a first antenna section and a second antenna section facing to the first antenna section across a feeding point on a film, wherein the first antenna section includes: a first antenna element including a side having a length in an extending direction corresponds to a first resonance frequency; a shorter second antenna element at a predetermined distance from and in parallel with the first antenna element; and a first coupling section to couple the first and second antenna elements, wherein a length in the extending direction of a first clearance corresponds to a resonance frequency higher than the first resonance frequency, and wherein the second antenna section includes: third and fourth antenna elements; a second coupling section; and a second clearance similar to the above.