Patents Represented by Law Firm Nikaido, Marmelstein, Murray & Oram
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Patent number: 6037698Abstract: This invention relates to an acoustic surface wave device suitably used in a high-frequency circuit, in which high attenuation characteristics are provided.The present invention includes an acoustic surface wave element, a ceramic package having a ceramic substrate of a multi-layer structure, the ceramic substrate having a die-attach portion on which the acoustic surface wave element is mounted, the ceramic package having an input terminal and an output terminal connected to the acoustic surface wave element, the ceramic package having an opening located above the ceramic substrate, each of the input terminal and the output terminal having a ground terminal, and a metallic cap sealing the opening of the ceramic package. The metallic cap is electrically connected to one of the ground terminal of the input terminal and the ground terminal of the output terminal.Type: GrantFiled: March 14, 1996Date of Patent: March 14, 2000Assignee: Fujitsu LimitedInventors: Masanori Ueda, Yoshiro Fujiwara, Takumi Kooriike
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Patent number: 6035825Abstract: A method of controlling the mass of fuel delivered to a direct injected engine subject to a change with time in engine load demand. A rate of change of fuel required per cycle of the engine in response to the change in engine load demand is determined. A filter constant is applied to the determined rate of change of fuel required to maintain a value of the rate of change of fuel required at no greater than a predetermined threshold level. The application of the filter constant is dependent upon at least one parameter selected from the group consisting of engine gear, clutch position, vehicle road speed, engine load and engine speed.Type: GrantFiled: February 3, 1999Date of Patent: March 14, 2000Assignee: Orbital Engine Company (Australia) Pty LimitedInventors: David Richard Worth, Richard William Hurley
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Patent number: 6038325Abstract: A speaker system for use in an automobile vehicle, comprises: a pair of front speakers for converting electric signals fed from a two-channel source into sound signals; a band pass filter for extracting a signal component having a frequency substantially satisfying .lambda.=2L when the automobile vehicle has a length L; a phase adjusting circuit for adjusting the phase of an electric signal; and a rear speaker for converting an electric signal fed through the phase adjusting circuit and the band pass filter into a sound signal.Type: GrantFiled: January 29, 1998Date of Patent: March 14, 2000Assignee: Pioneer Electronic CorporationInventors: Minoru Yoshida, Fumio Matsushita, Satoshi Kumada, Yoshiki Ohta
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Patent number: 6037773Abstract: A magnetic resonance imaging apparatus has a gantry including various coils such as a static field coil and gradient field coils, a top board for supporting an examinee and moving the examinee into and out of an opening of the gantry, and an approximately cylindrical RF coil defining a hollow space therein. The RF coil is set to the top board, with an axis of the hollow space extending at an angle to the horizontal. The examinee's imaging site is inserted into the hollow space of the RF coil to have sectional images picked up. Since the RF coil is set to the top board with the axis of the hollow space inclined relative to the horizontal, sectional images may be picked up by using the approximately cylindrical RF coil while allowing the examinee to take a comfortable posture without enlarging the RF coil.Type: GrantFiled: July 8, 1997Date of Patent: March 14, 2000Assignee: Shimadzu CorporationInventors: Hirotsugu Mitsumata, Hiroshi Inoue, Masato Okazaki, Masami Sugie
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Patent number: 6036919Abstract: The present invention concerns a diagnostic test carrier for the determination of an analyte from whole blood with the aid of a reagent system contained in the carrier which includes a colour forming reagent with a test field which has a sample application side onto which the blood sample is applied and a detection side on which an optically detectable change takes place as a result of the reaction of analyte with the reagent system and which is constructed in such a way that erythrocytes present in the sample do not reach the detection side, which is characterized in that the test field comprises a transparent foil onto which a first and a second film layer are applied on top of one another and wherein the first layer located on the transparent foil scatters light considerably less in a wet state than the overlying second layer and wherein the side of the foil on which the first layer is applied which is opposite to the foil side is the detection side and the side of the second layer which is opposite to theType: GrantFiled: July 21, 1997Date of Patent: March 14, 2000Assignee: Roche Diagnostic GmbHInventors: Detlef Thym, Wofgang-Reinhold Knappe, Rudolf Pachl, Hartmut Merdes, Robert Lorenz
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Patent number: 6037422Abstract: A polyarylene sulfide resin composition contains a polyarylene sulfide containing at least one group selected from a group consisting of an amino group and an amide group, a polyamide resin, an epoxy resin and, as needed, a filler. A further composition contains 100 parts by weight of the polyarylene sulfide, 0.05 to 5 parts of the epoxy resin, and 5 to 400 parts of the filler. Another type of the resin composition contains the polyarylene sulfide, the polyamide, a compound selected from an acid, an acid anhydride and an acid halide, each having in its molecule not less than two functional groups reactive with the amino group or the amide group, and, as needed, the filler. A further type of the resin composition contains the polyarylene sulfide, the compound and, as needed, an inorganic filler subjected to surface treatment with a silane type coupling agent. A still further type of the resin composition contains the polyarylene sulfide and the compound.Type: GrantFiled: August 30, 1993Date of Patent: March 14, 2000Assignee: Idemitsu Petrochemical Company LimitedInventors: Shinobu Yamao, Wataru Kosaka
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Patent number: 6036334Abstract: An illuminating apparatus is formed with an ultraviolet lamp and at least one incandescent lamps that repeat a predetermined illumination pattern in which the lamps are turned on, gradually brightened within a predetermined period, gradually dimmed out within a predetermined period subsequent to a period for the maximum illumination thereof, and then turned off, to light a picture, which is supported on a frame to which the illuminating apparatus is attached, to be recognized as nighttime and daytime views with natural changes therebetween.Type: GrantFiled: January 22, 1996Date of Patent: March 14, 2000Assignee: Timely Elegance Co., Ltd.Inventor: Kazuo Nakano
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Patent number: 6037847Abstract: A surface acoustic wave device includes a piezoelectric substrate of a single crystal LiTaO.sub.3 and an electrode pattern provided on the piezoelectric substrate. The electrode pattern contains Al as a primary component and has a thickness in a range of 0.03-0.15 times a wavelength of a surface acoustic wave excited on the piezoelectric substrate. The piezoelectric substrate has an orientation rotated about an X-axis thereof from a Y-axis thereof toward a Z-axis thereof, with a rotational angle of 39-46.degree..Type: GrantFiled: October 7, 1996Date of Patent: March 14, 2000Assignee: Fujitsu LimitedInventors: Masanori Ueda, Osamu Kawachi, Gou Endoh, Osamu Ikata, Ken-ya Hashimoto, Masatsune Yamaguchi
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Patent number: 6037813Abstract: A semiconductor device which operates in synchronism with a first clock externally provided. The semiconductor device includes a clock-generation circuit generating a second clock which maintains a predetermined phase relation with the first clock, a check circuit for checking a frequency of the first clock based on at least one internal signal generated by the clock-generation circuit, and an internal circuit which switches an operation mode according to results of the checking.Type: GrantFiled: June 23, 1997Date of Patent: March 14, 2000Assignee: Fujitsu LimitedInventors: Satoshi Eto, Masao Taguchi
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Patent number: 6032350Abstract: This invention relates to a method for manufacturing a plurality of longitudinally extending slots in the bore of a component (1). One example of such a component is the sleeve element of an automotive power steering rotary valve. More particularly the invention is directed towards a method of minimising burring of the slot edges of the sleeve component. The method comprises the steps of gripping the component (1) in a gripping mechanism (2) of a workholding device, performing a first cutting operation (5) in which the slot is cut in the bore by a series of progressively deeper cutting stroke of a cutting tool (5), further machining (30) the bore of the component, the machining of the bore being carried out while the component remains gripped in the gripping mechanism, characterized in that while the component remains gripped in the gripping mechanism the slot undergoes a second cutting operation (5) similar to the first operation.Type: GrantFiled: July 2, 1998Date of Patent: March 7, 2000Assignee: Bishop Steering Pty LimitedInventor: Klaus Juergen Roeske
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Patent number: 6034657Abstract: A plasma display panel includes a front substrate; a plurality of row electrodes provided on an inner surface of the front substrate; a dielectric layer provided on the inner surface of the front substrate so as to cover the row electrodes; a rear substrate spaced apart from the front substrate to form a discharge space therebetween; a plurality of column electrodes provided on an inner surface of the rear substrate; a fluorescent material layer covering the column electrodes, the fluorescent material layer including red, green and blue emitting portions. The width of a column electrode is set to be different from others, corresponding to a different portion of the fluorescent material layer covering the column electrode.Type: GrantFiled: December 10, 1997Date of Patent: March 7, 2000Assignee: Pioneer Electronic Corp.Inventors: Tsutomu Tokunaga, Hiroyuki Ajiki
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Patent number: 6032649Abstract: An engine control system in which a rotary body rotates in association with a crankshaft of an engine and has portions to be detected every predetermined angle and at least one of the portions to be detected is missing, and a pickup is arranged near an outer periphery of the rotary body and generates a pulse each time the portion to be detected passes. In the case where a reference time point to start a measurement of a time until a control start time point to start a predetermined control of the engine is a rotational angle time point of the crankshaft when no pulse is generated from the pickup due to a missing portion to be detected, a timer is allowed to measure the time from a generation time point of the pulse generated from the pickup just before the non-pulse generation period of time during which no pulse is generated until the control start time point.Type: GrantFiled: July 1, 1998Date of Patent: March 7, 2000Assignee: Keihin CorporationInventor: Masato Ono
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Patent number: 6033077Abstract: A projection type picture display apparatus, includes: an illumination optical system; a decomposition optical system; a plurality of liquid crystal display devices; a light synthesizing optical system; an enclosing case for accommodating the illumination optical system and the decomposition optical system; an optical chassis for fixedly mounting various optical elements including the liquid crystal display devices. A first space is formed under both the enclosing case and the optical chassis. A first opening is formed on a side wall of the enclosing case. At least one second opening is formed on the bottom of the enclosing case. At least a third opening is formed on the optical chassis in a position corresponding to at least one of the liquid crystal display devices. A cooling fan is provided in a position adjacent to the above first opening.Type: GrantFiled: June 17, 1998Date of Patent: March 7, 2000Assignee: Pioneer Electronic CorporationInventor: Hisanaga Iwase
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Patent number: 6033335Abstract: A ring gear support member is supported radially immovably on the outer circumference of an input shaft through a ball bearing. A brake hub of a reverse brake, as supported by the ring gear support member, is made movable in the circumferential direction relative to the ring gear support member and is urged to a center position by a coil spring. When the reverse brake is applied to couple the ring gear support member unrotatably to a casing, the brake hub is supported through the coil spring by the ring gear support member. As a result, the meshing vibration, as generated at the meshing portion between pinions and a ring gear, can be prevented from being transmitted to the casing through the brake hub, thereby reducing noise.Type: GrantFiled: October 29, 1998Date of Patent: March 7, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Takashi Hotta, Tadami Kondoh, Motonori Ohnuki, Kazuya Kubo
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Patent number: 6033876Abstract: An antibody which binds to the CD30 antigen and a) inhibits the release of sCD30 from Hodgkin's disease cells, and b) does not bind to B cell non-Hodgkin's lymphomas or plasma cells. An example of such antibodies are the antibodies secreted from hybridoma cell line DSM ACC 2204. The antibodies may be used for diagnosis, or conjugated to a toxin to produce an immunotoxin.Type: GrantFiled: September 26, 1997Date of Patent: March 7, 2000Assignee: Boehringer Mannheim GmbHInventors: Hilmar Lemke, Hinrich-Peter Hansen
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Patent number: 6033801Abstract: A seamless, short-anchor anticorrosion storage battery terminal is provided including an upper portion having a frustoconical hollow body with a cavity, the frustoconical hollow body adapted to emerge from the top of the battery, and wherein there is, at the end of the frustoconical hollow body with the greater cross section, a hollow lower portion whose internal cavity is coaxial with the cavity of the frustoconical body; the hollow lower portion having an uppersegment of cylindrical configuration and diameter greater than that of the end of greater cross section of the frustoconical hollow body, and a lower segment configured as a frustum of a cone, having at the end of greater cross section, means of anchoring and preventing rotation of the terminal including a circumferential projection whose wall defines a number of peripheral cavities opening alternately upward and downward.Type: GrantFiled: October 8, 1997Date of Patent: March 7, 2000Inventor: Osvaldo Balbino Casais
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Patent number: 6034555Abstract: A semiconductor integrated circuit includes a switch unit for controlling the supply of a power source voltage to a signal amplification circuit for receiving an input signal, and a control unit for selectively turning ON and OFF the switch unit in accordance with the amplitude or frequency of the input signal. By the constitution, it is possible to provide an input circuit or an output circuit capable of being applied to an input/output interface adapted for a small amplitude operation.Type: GrantFiled: September 13, 1996Date of Patent: March 7, 2000Assignee: Fujitsu LimitedInventors: Masao Taguchi, Satoshi Eto, Yoshihiro Takemae, Hiroshi Yoshioka, Makoto Koga
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Patent number: 6033798Abstract: A method of determining the charge and/or discharge capacities of non-aqueous batteries with an operating voltage of about 4 volts, is provided including determining an inverse molar susceptibility value at each of a plurality of different temperatures for a plurality of lithium manganese spinel oxide cathode materials having different respective Mn valencies; plotting the inverse molar susceptibility values against temperatures for each of the plurality of lithium manganese spinel oxide cathode materials; determining values of at least one of two paramagnetic parameters, Weiss temperature and effective magnetic moment, by obtaining the temperature dependence of the above inverse molar susceptibility from a plot derived from the Curie-Weiss law, the Weiss temperature corresponding to a temperature value extrapolated to a zero point of the inverse molar susceptibility and the effective magnetic moment being obtainable from the gradient value of the plot; producing plural rechargeable lithium batteries in whichType: GrantFiled: December 19, 1996Date of Patent: March 7, 2000Assignee: Agency of Industrial Science & TechnologyInventors: Mitsuharu Tabuchi, Kazuaki Ado, Hiroyuki Kageyama, Osamu Nakamura
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Patent number: 6032943Abstract: An elastic roller contains EPDM rubber as a main component and has a friction coefficient of not less than 2 with respect to ordinary paper and a hardness of not more than 35.degree..The amount of softening agent added to EPDM rubber which is a main component is not more than 150 parts by weight per 100 parts by weight of rubber.Type: GrantFiled: May 2, 1994Date of Patent: March 7, 2000Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Shunichi Yabushita, Hirotoshi Murakami, Hitoshi Itani
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Patent number: D421366Type: GrantFiled: July 24, 1998Date of Patent: March 7, 2000Assignee: California Innovations Inc.Inventor: Melvin S. Mogil