摘要:
An apparatus for effecting contour enhancement in a non-linear manner, in accordance with the amplitude of a contour signal, includes an upper limiter for clipping a portion of the contour signal exceeding an upper level and a lower limiter for clipping a portion of the contour signal below a lower level. The gain of the contour signal for a brightness signal having a large level difference is decreased relative to the gain of the contour enhancement signal for a brightness signal having a small level difference, and thus glare and cross-color noise can be reduced materially, while the contour for a brightness signal having a small level difference can be enhanced sufficiently.
摘要:
In a television camera having an image pickup tube and an iris for controlling an amount of incident light upon the pickup tube both in an automatic control mode and in a manual control mode by selectively actualing a mode selection switch, an additional switch is connected in parallel with the mode selection switch and when a main power switch is made off, said additional switch is closed for a given time period during which the iris is driven into its minimum aperture state.
摘要:
The present invention relates to a folded dipole antenna comprising a magnetic material comprising a hexagonal Z-type ferrite and/or a hexagonal Y-type ferrite as a main component in which a radiation element and a reflection element each having a folded dipole structure are disposed, and an RF tag comprising the folded dipole antenna and an IC chip connected to the folded dipole antenna. The RF tag according to the present invention has a smaller size than that of the conventional RF tags and is not susceptible to adverse influence from ambient environments, and can be operated at an UHF band or surrounding frequency bands thereof.
摘要:
A process for producing compound C represented by formula C is disclosed: wherein R′ represents substituent groups as described herein. The process can produce pyripyropene derivatives that have acyloxy groups at the 1- and 11-positions and a hydroxyl group at the 7-position and are useful as insect pest control agents at a high yield.
摘要:
The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 μm to 430 μm, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c): (a) a center line average roughness is in a range of 170 nm to 800 nm, (b) a maximum height is in a range of 3 μm to 10 μm, and (c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 μm is in a range of 10 to 80%.
摘要:
An electromagnetic noise suppression sheet obtained by using combination of a conductive carbon and spinel ferrite particles having a cumulative 50% volume particle diameter of 1 to 10 μm, can exhibit an excellent transmission attenuation power ratio and a reduced return loss in a near electromagnetic field, and is suitable for high-density mounting. The electromagnetic noise suppression sheet of the present invention can be produced by the process of the present invention which includes the steps of applying a coating material in which the conductive carbon and the spinel ferrite particles having a cumulative 50% volume particle diameter of 1 to 10 μm are dispersed, to form a coating film having a thickness of 10 to 100 μm after dried, and subjecting the resulting coating film to thermoforming under pressure.
摘要:
Disclosed is a process for producing compound C represented by formula C: wherein R′ represents straight chain, branched chain, or cyclic C2-6 alkylcarbonyl, wherein R1b is used as a protective group for hydroxyl at the 7-position of compound C. R1b represents formyl; optionally substituted straight chain C1-4 alkylcarbonyl; optionally substituted benzyl; group —SiR3R4R5 optionally substituted by halogen atom wherein R3, R4, and R5 each independently represent straight chain or branched chain C1-6 alkyl or phenyl; C1-6 alkyloxy-C1-6 alkyl optionally substituted by halogen atom; C1-6 alkylthio-C1-6 alkyl optionally substituted by halogen atom; straight chain, branched chain, or cyclic C1-4 alkyl optionally substituted by halogen atom, provided that, when alkyl in the C1-4 alkyl group is of a branched chain or cyclic type, the alkyl group is C3-4 alkyl; C2-6 alkenyl optionally substituted by halogen atom; C2-6 alkynyl optionally substituted by halogen atom; or an optionally substituted saturated or unsaturated five- or six-membered heterocyclic group. The process can produce pyripyropene derivatives that have acyloxy groups at the 1- and 11-positions and a hydroxyl group at the 7-position and are useful as insect pest control agents at a high yield.
摘要:
An objective of the present invention is to provide a harmful organism control agent that possesses excellent control effect against harmful organisms and can be safely used. The present invention provides a compound of formula (1) or a salt thereof. The present invention also provides a harmful organism control agent comprising the compound of formula (1). wherein R1, n, R2, and R3 are as defined in the specification.
摘要:
A magnetic display sheet of the present invention comprises: a magnet sheet having a magnetized surface, and a non-magnetized surface, which magnet sheet comprises: 400 to 1,900 parts by weight of at least one kind of magnetic particles selected from the group consisting of magnetoplumbite-structure ferrite particles and rare-earth magnet particles, as a filler, and 100 parts by weight of a binder comprising 50 to 95% by weight of at least one thermoplastic elastomer selected from the group consisting of a styrene-isoprene-styrene block copolymer resin, a styrene-ethylene.butylene-styrene block copolymer resin and an ethylene-propylene copolymer rubber, and 5 to 50% by weight of at least one soft polyolefin selected from the group consisting of a propylene homopolymer and a propylene-ethylene copolymer; and a printing paper sheet for being printed on, said paper sheet being bonded to said non-magnetized surface of said magnet sheet. Such a magnetic display sheet is excellent in flexibility, mechanical properties, storage stability and product stability.
摘要:
This invention relates to DNA containing a gene encoding uricase, a plasmid having said DNA, a transformant containing said plasmid, and a process for producing uricase by using said transformant.