Abstract: A sensor includes a complex-transfer-function calculator that calculates a complex transfer function from received signals, a reflection-coefficient calculator that calculates a reflection coefficient using a complex transfer function when an object to be detected is arranged at one of L positions and an ideal complex transfer function which is a theoretical value for the position at which the object to be detected is arranged, various normalizers that calculate a normalized reflection coefficient by normalizing the reflection coefficient, a reflection-coefficient interpolator that calculates an interpolated reflection coefficient by interpolation calculation of the reflection coefficient using the normalized reflection coefficient for each coordinates used in position estimation of the object to be detected, and a position estimator that corrects the position estimation, using a steering vector and the interpolated reflection coefficient that are determined based on the position of each of the transmitting a

Abstract: A system includes a plurality of in-vehicle devices and having a function of determining abnormality of communication in the devices by authenticating a message including data, a first counter counted each time a power source is turned on, and a second counter incremented over time. The system includes an authentication unit for performing, when a message including control data to be exchanged between the devices is authenticated, authentication on a message sent and received between the devices and including at least the control data and the first counter by using at least the control data and the first counter, in which when it is confirmed whether synchronization is achieved between the devices, the authentication unit is for performing authentication on a message sent and received between the devices and not including the first counter but including the second counter by using the second counter without using the first counter.

Abstract: An in-vehicle device includes: a reception unit configured to receive, via control area network communication (CAN communication), a message including data and an authentication code for authenticating the data; an authentication unit configured to authenticate the data by using the authentication code; and a control unit configured to perform control by using the data included in the message when the authentication unit has authenticated data included in a preset number of messages consecutively received by the reception unit. A method includes: receiving, via control area network communication (CAN communication), a message including data and an authentication code for authenticating the data; authenticating the data by using the authentication code; and when data included in two consecutively received messages is authenticated in the authenticating the data, performing control by using data included in a last received message among the two messages.

Abstract: A communication apparatus of an embodiment includes: a communication unit connected to a communication path; and an abnormality detection section that detects an abnormality in a network based on a number of predetermined signals received in a first predetermined period via the communication unit and waits for a process of detecting the abnormality in the network in a second predetermined period after a start of a communication in the network.

Abstract: A vinyl-compound-based resin composition containing a terminal vinyl compound (a) of a bifunctional phenylene ether oligomer having a polyphenylene ether structure, a naphthol aralkyl cyanate ester resin (b), a bisphenol A cyanate ester resin (c), a brominated flame retardant (d) and an inorganic filler (e). The resin composition is for use in a printed wiring board for high multilayer and high frequency, and is excellent in moldability, electric characteristics, peel strength, flame resistance and heat resistance after moisture absorption. Further, a prepreg comprising the above resin composition and a glass woven fabric, a metal-foil-clad laminate obtained by disposing a metal foil on one side or both sides of a stack of at least one prepreg and laminate-molding the resultant set, and a resin sheet obtained by applying a solution of the above resin composition to a surface of a metal foil or a film.

Abstract: A resin composition is provided which can be suitably used in a printed circuit board having excellent electrical properties, heat resistance and peel strength, with flame retardancy maintained, a prepreg and resin sheet which use the same, and a metal foil-clad laminate which uses the prepreg. A resin composition including a polyphenylene ether (A), a specific phosphorus-containing cyanate ester compound (B), a non-halogenated epoxy resin (C), a cyanate ester compound (D) and a filler (E) is used.

Abstract: To provide a prepreg that achieves a low dielectric loss tangent, despite the use of a polar solvent. A prepreg produced by impregnating or coating a base material with a varnish comprising an inorganic filler, a polar solvent, and a resin composition principally comprising polyphenylene ether, and subjecting the base material treated to a drying step, wherein the polar solvent content of the prepreg is 3 mass % or less, and a dielectric loss tangent at 10 GHz of a laminated board produced using this prepreg is 0.001-0.007.

Abstract: This invention provides a substitute meat material that has no particular taste and can be readily controlled in terms of the protein amount and energy, and is therefore appropriate for use in food for kidney disease patients. This invention relates to a food composition, which is prepared with a mixture containing a konjac raw material in a hydrated and swollen state, water-insoluble dietary fibers in an amount corresponding to 4 to 40 parts by weight (dry weight base) relative to 1 part by weight (dry weight base) of glucomannan in the konjac raw material, and an alkaline coagulant.

Abstract: A resin composition is provided which can be suitably used in a printed circuit board having excellent electrical properties, heat resistance and peel strength, with flame retardancy maintained, a prepreg and resin sheet which use the same, and a metal foil-clad laminate which uses the prepreg. A resin composition including a polyphenylene ether (A), a specific phosphorus-containing cyanate ester compound (B), a non-halogenated epoxy resin (C), a cyanate ester compound (D) and a filler (E) is used.

Abstract: This invention provides a substitute meat material that has no particular taste and can be readily controlled in terms of the protein amount and energy, and is therefore appropriate for use in food for kidney disease patients. This invention relates to a food composition, which is prepared with a mixture containing a konjac raw material in a hydrated and swollen state, water-insoluble dietary fibers in an amount corresponding to 4 to 40 parts by weight (dry weight base) relative to 1 part by weight (dry weight base) of glucomannan in the konjac raw material, and an alkaline coagulant.

Abstract: The present invention provides a solid food, a cooked food containing the solid food as an ingredient thereof, and a method for producing the same, and the present invention relates to a method for producing a solid food imparted with a function of maintaining texture and improving storageability, comprising: (a) contacting an alkaline substance and a coating substance with the surface of a solid food; (b) coating the surface of the food with the coating substance by placing the food in an atmosphere at a temperature equal to or higher than the temperature at which the protein in the food is denatured by heat and the coating substance forms a coating; (c) heating the food under conditions equivalent to or more than a temperature of 80° C.

Abstract: In a sound post of a musical instrument of a violin family, at least one end thereof is formed into a converged configuration. Most preferably, the sound post has a shape having a linear ridge line, and the sound post is placed in contact with the belly by a straight line in a direction substantially perpendicularly intersecting a direction of a bowstring.

Abstract: In a vacuum cleaner, both static pressure H.sub.data and a variation width .DELTA.H in the static pressure appearing when a suction port is operated are detected from a pressure sensor provided at a rear side of a filter within a main body of the vacuum cleaner; a current variation width .DELTA.pbi appearing when the suction port is operated is detected from a current of a nozzel motor for driving a rotary brush stored in a power brush suction port; an air quantity at the suction port is calculated from the current, rotational speed of a fan motor and static pressure; command values are newly obtained by performing a fuzzy calculation with the variation width .DELTA.pbi, static-pressure command value Hcmd; the variation width .DELTA.H and the static-pressure command value Qcmd; the variation width .DELTA.pbi and static-pressure command value Hcmd; and also the variation width .DELTA.

Abstract: The present invention relates to a bubble massager used in a bathtub in which a rechargeable storage battery is used as a power supply, One display unit for displaying both a charging state and an operating state is provided. It is possible to discharge and select three types of bubble jets, weak, strong and intermittent, and to display an operating mode. Futhermore, it is possible to display a trouble location of the bubble massager by high-speed flickering of the one display unit. Moreover, the bubble massager constructed so that the jet is controlled so as to be discharged in the order of weak.fwdarw.strong.fwdarw.intermittent and the intermittent jet is made to repeat strong .rarw..fwdarw. feeble jet for providing an uninterrupted jet in order to relieve a shock due to a sensible sudden change caused by change over of the bubble jet.

Abstract: A remote control apparatus has a plurality of manipulating buttons fitted in a plurality of windows, respectively, formed in a casing member, each of the manipulating buttons being formed of a transparent material and having a lower portion provided with a switch actuating projection and an upper portion disposed within each of the windows for allowing user to operate the button with his or her finger. A switch array includes a plurality of switches corresponding to the plural manipulating buttons and is mounted within the casing member such that each of the switches can be changed over between ON and OFF states by contact with a switch actuating projection in the operation of the corresponding manipulating button.

Abstract: A process for producing porous films which comprises blending 100 parts by weight of a polyolefin resin with 50 to 500 parts by weight of barium sulfate preferably having an average particle diameter of 0.1 to 7 .mu.m, melting the resulting resin composition and forming it into a film, and then stretching the film at least uniaxially by a factor of 1.5 to 7.

Abstract: In a laser beam scanner apparatus for scanning the surface of a photosensitive drum or a document to be read by deflecting a laser beam emitted from a laser diode with a deflector, there is provided a drive current control circuit for controlling the magnitude of drive current of said laser diode on the basis of a beam deflection angle of said deflector.

Abstract: A laser light source device in which the intensity of laser light emitted from a laser diode is detected, the detected value of the light intensity is compared with a predetermined value to generate a binary signal, the binary signal is used to control the count mode of an up/down counter, and a current for driving the laser diode is controlled on the basis of the output of the up/down counter, to prevent the intensity of laser light from decreasing.

Abstract: Disclosed is an exposure amount control device for a copying machine comprising an exposure amount control circuit for controlling an exposure amount by controlling light of the exposure lamp for illuminating an original document to be copied and a digital light control signal generator for supplying a digital light control signal of a variable duty factor to the exposure amount control circuit. The digital light control signal generator includes a light intensity increase/decrease setting circuit and an oscillator for generating an oscillation output of a variable oscillation period in accordance with a light intensity signal from the light intensity increase/decrease setting circuit. The oscillation output of the oscillator is converted to an on-off light signal, which is supplied to the exposure amount control circuit as the digital light control signal.

Abstract: An apparatus for driving a semiconductor laser for use in a laser-beam printer, in which a laser beam from the laser is deflected so as to scan a light-sensitive drum and a light-sensitive detector placed in the vicinity of one edge of the drum, comprises a first device for determining the operation level for the laser when it scans the drum to record information thereon, a second device for determining the operation level for the laser when it scans the detector to provide a scanning start pulse signal and a controller for controlling the first and second devices so that they are alternately enabled to determine the intensity of the laser beam depending upon whether the drum or the detector is scanned, whereby the intensity of the laser beam is allowed to be adjusted in accordance with the varying light-sensitivity of the drum without fluctuating the instant of generation of the scanning start pulse signal.