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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Uemura; Takeshi
Address:
Osaka, JP
No. of patents:
33
Patents:












Patent Number Title Of Patent Date Issued
D428435 Developer unit for an image forming apparatus July 18, 2000
8276448 Sensor device with timewise linked sensing signals October 2, 2012
An sensor device with high detection accuracy. The sensor device includes an angular velocity sensor for outputting an angular velocity sensing signal, an acceleration sensor for outputting an acceleration sensing signal, and an output circuit for outputting the angular velocity sensing
8131508 Sensor apparatus March 6, 2012
A sensor apparatus of the present invention includes a failure diagnosis circuit, and a time point measuring unit for adding the time point information to an output concerning generation of the failure detection signal outputted from the failure diagnosis object section and an output
8131507 Sensor apparatus March 6, 2012
A sensor apparatus of the present invention is provided with a failure diagnosis circuit for setting as a failure diagnosis object section at least any one of a drive circuit section, a detection device, a detection circuit section and a processing circuit section, determining whether th
8103400 Sensor apparatus January 24, 2012
A sensor apparatus of the present invention includes a first output terminal for outputting a sense signal, and a failure diagnosis circuit for determining whether a failure diagnosis object section is normal or abnormal, to output a failure detection signal from a second output term
8074517 Inertia force sensor December 13, 2011
When detecting an angular rate in a detecting element (1), when an angular rate occurs, it is detected on the basis of a first sum by adding output values issued from upper electrode of second sensing electrode part (19b) and upper electrode of fourth sensing electrode part (20b) bot
8055404 Sensor apparatus November 8, 2011
A sensor apparatus of the present invention includes a first output terminal for outputting a sense signal, and a failure diagnosis circuit for determining whether a failure diagnosis object section is normal or abnormal, to output a failure detection signal from a second output term
8015874 Inertia force sensor September 13, 2011
An inertial force sensor is provided in which each of switches is connected in parallel with each of resistors of low-pass filter and high-pass filter, respectively, and capacitor of high-pass filter can be boost charged by making switches on without mediate resistors.
7987715 Angular speed sensor August 2, 2011
An angular velocity sensor includes a vibrator vibrating, first and second differential circuits for outputting first and second difference signals, respectively, and a synchronous detector circuit for synchronously detecting the first and second difference signals. First and second
7886622 Method for processing detection signal of vibratory inertial force sensor and vibratory inertial February 15, 2011
A method for processing a detection signal of a vibratory inertial force sensor is disclosed. This method improves detection accuracy of the vibratory inertial force sensor. A detection circuit of the vibratory inertial force sensor removes harmonic component from signals synchronous
7775109 Sensor device August 17, 2010
A sensor device includes a time determining part that determines time point information, and adds the time point information to the output supplied from a part subjected to failure diagnosis and related to generation of a failure detection signal, and to the output related to generat
7746091 Sensor apparatus June 29, 2010
The present invention includes an output circuit section for digitally outputting from an output terminal in a time division system a failure detection signal from a failure diagnosis circuit and a sense signal from a process circuit section, leading to reduction in size of a sensor
7730782 Sensor device June 8, 2010
A sensor device includes a time determining part that determines time point information, and adds the time point information to the output supplied from a part subjected to failure diagnosis and related to generation of a failure detection signal, and to the output related to generat
7673529 Method for processing detection signal of vibratory inertial force sensor and vibratory inertial March 9, 2010
A method for processing a detection signal of a vibratory inertial force sensor is disclosed. This method improves detection accuracy of the vibratory inertial force sensor. A detection circuit of the vibratory inertial force sensor removes harmonic component from signals synchronous
7520184 Angular velocity sensor April 21, 2009
An angular velocity sensor for precisely calculating an angular velocity by taking the mass balance of the transducer into account is provided. The sensor includes a tuning fork type transducer (23) having a pair of arm portions (22) at a shaft portion (21) and formed of a piezoelectric
7347093 Angular velocity sensor and automobile using the same March 25, 2008
The invention provides an angular velocity sensor which is provided with a smoothing circuit having a large smoothing time constant so that it can be reduced in size and integrated into an IC. Smoothing circuit (9) is provided with first switch (11), first capacitor (12), second switch
7043988 Angular velocity sensor May 16, 2006
An angular velocity sensor of the present invention includes a driving part for stably vibrating a driving part of a sensor element and a detector part for detecting an angular velocity of the sensor element and obtains a self diagnosis signal for a malfunction by detecting a mechani
6959584 Angular velocity sensor November 1, 2005
The present invention aims to present an angular velocity sensor having a self diagnosis function.An angular velocity sensor of the present invention includes a driving part for stably vibrating a driving part of a sensor element having a driver part and a detector part for detecting an
6933753 Sensor signal output circuit August 23, 2005
A sensor signal output circuit includes a first differential amplifier, a first load resistor, a first transistor, a second transistor and a limiter section. The limiter section includes at least a second differential amplifier, which includes an input end coupled to output terminal and
6912901 Angular velocity sensor July 5, 2005
The present invention aims to present an angular velocity sensor having a self diagnosis function.An angular velocity sensor of the present invention includes a driving part for stably vibrating a driving part of a sensor element having a driver part and a detector part for detecting an
6748807 Inertia detecting transducer June 15, 2004
An inertia detecting transducer having a reliable detection element. The element is kept to be free from deposition of gas and organic substance generated from resin adhesive. A first case of the transducer has an opening and a circuit component mounted thereon, and is provided with an
6732586 Angular velocity sensor May 11, 2004
The present invention presents an angular velocity sensor having a self diagnosis function. An angular velocity sensor of the present invention includes a driving part for stably vibrating a driving part of a sensor element having a driver part and a detector part for detecting an angula
6705151 Angular velocity sensor March 16, 2004
The present invention aims to present an angular velocity sensor having a self diagnosis function.An angular velocity sensor of the present invention includes a driving part for stably vibrating a driving part of a sensor element having a driver part and a detector part for detecting an
6584841 Angular rate sensor July 1, 2003
An angular rate sensor is characterized by having electrodes constituting an exciting unit for providing a vibrator with vibration, an electrode constituting a means for detecting a vibration level of the vibrator, an electrode constituting a first detection means for detecting Coriolis'
6412347 Angle speed sensor July 2, 2002
An angular rate sensor driving circuit shortens a start-up time without increasing a maximum level of amplification factor of a variable gain amplifier beyond a predetermined degree An output signal of a first amplifier is input to a positive input terminal of a third amplifier, a fi
6220094 Angular velocity sensor driving circuit April 24, 2001
An angular velocity sensor driving circuit includes a driving part for a vibrator, a vibration level detector, a coriolis force detector, a first amplifier for amplifying an output signal of the vibration level detector, a rectifying circuit, a variable gain amplifier, a voltage amplifie
6128100 Image forming apparatus and method for assembling the same October 3, 2000
This invention relates to an image forming apparatus and a method for assembling the apparatus. A main body of the image forming apparatus has a frame main body consisting of an optical frame and a chassis made of a resin (resin chassis). Mounting an image recorder unit on the resin
5918100 Copy sheet guide structure for use in image forming apparatus June 29, 1999
This invention relates to a copy sheet guide structure for use in an image forming apparatus. Plural copy sheet guide structures constitute a transport path along which a copy sheet is to be transported. At least one guide structure has a pair of guide members formed into such a shape to
5456456 Paper feeding device having paper inverting means October 10, 1995
A paper feeding device is usable in an image forming apparatus, and is provided with a paper supplier for supplying a copy paper sheet and a paper inverting portion for inverting the supplied copy paper sheet. The inverting portion has an inner guide surface curved substantially in C
5331374 Image forming apparatus capable of opening a main body on one side July 19, 1994
An image forming apparatus has a low body and an upper body connected to the lower body rotatable about a pivot. The upper body carries an image forming device. The lower body carries a copy paper storage unit and a paper feeding device for feeding a copy paper sheet from the paper stora
4541533 Chain for a machining center September 17, 1985
A machining center chain is provided that is capable of holding various tools therein. A tool holding part is secured to one of a pair of oppositely disposed link plates, while a pull stud bolt holding part is secured to the other of the pair of link plates. The position of the pull
4411131 Chain link plate October 25, 1983
A chain link plate including a pair of enlarged end parts joined by an intermediate constricted part. Each end part has an opening therethrough. The link plate is symmetrical about a first axis which extends longitudinally of the link plate and passes through the centers of the openi
4362078 Method of blanking December 7, 1982
A method of blanking wherein an endless V-shaped groove of desired contour is formed on at least one of the top and bottom sides of a material sheet. The groove is shaped so that the external side thereof is at a right angle to the groove-cut surface of the sheet. A blank having the desi










 
 
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