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Assignee: Mitsumi Electric Co., Ltd.


Location: Tokyo, JP
No. of applications: 161

1          
Application No.Application TitleIssue Date
20120130661BATTERY MONITORING DEVICE AND BATTERY MONITORING METHOD
A battery monitoring device includes a detecting unit which detects a voltage value, a current value and a temperature of a secondary battery, a charging time computing unit which computes a charging time of the battery by using the voltage value, the current value and ...
05/24/2012
20120126762CURRENT LIMITING CIRCUIT AND POWER SUPPLY CIRCUIT
A current limiting circuit for limiting an output current in response to a control current includes a detection circuit to detect a detection voltage responsive to an output voltage, and a control current generating circuit to generate a control current responsive to th...
05/24/2012
20120084418COMMUNICATION DEVICE SETTING APPARATUS, COMMUNICATION DEVICE SETTING METHOD, AND RECORDING MEDIUM
A communication device setting apparatus is arranged to register setup information in a communication device connected to the communication device setting apparatus via a communication network. In the communication device setting apparatus, a device setting unit recogni...
04/05/2012
20120082074RADIO COMMUNICATION DEVICE
A radio communication device includes a mounting substrate and a shielding case to cover circuits mounted on the substrate. A first surface of the substrate includes an input/output area where a transmitting/receiving unit of an RF signal is mounted, an amplification ar...
04/05/2012
20120081603DISPLAY SCREEN CHANGEOVER APPARATUS, DISPLAY SCREEN CHANGEOVER METHOD, DISPLAY SCREEN CHANGEOVER PROGRAM AND COMPUTER READABLE RECORDING MEDIUM STORING A DISPLAY SCREEN CHANGEOVER PROGRAM
A display screen changeover apparatus changes a screen display when displaying HTML contents on a display screen of a television receiver. A contents analysis part analyzes display setting information with respect to the television receiver based on address information ...
04/05/2012
20120080952CURRENT AND VOLTAGE DETECTION CIRCUIT, AND CURRENT CONTROL CIRCUIT
Disclosed is a current and voltage detection circuit comprising: a voltage input terminal to which a direct current voltage is applied; a voltage comparison circuit that determines which of the applied voltage and a predetermined voltage is larger; a switching element c...
04/05/2012
20120072150OPERATION INPUT APPARATUS AND OPERATION INPUT DETECTION APPARATUS
An operation input apparatus configured to receive a force from an operator, including: a board 10 including a placement surface on which coils 21˜24 are placed, the coils being arranged in a circumferential direction of a circle formed by connecting poin...
03/22/2012
20120049300SENSOR APPARATUS AND METHOD FOR MOUNTING SEMICONDUCTOR SENSOR DEVICE
A sensor apparatus includes a semiconductor sensor device including a first attachment surface, a base part being wire-bonded to the semiconductor sensor device and including a second attachment surface, and a spacer being interposed between the first and second attachm...
03/01/2012
20120048025PRESSURE SENSOR DEVICE, ELECTRONIC APPARATUS, AND METHOD OF MOUNTING PRESSURE SENSOR DEVICE
A pressure sensor device includes a semiconductor pressure sensor element and a base part. The base part includes a mounting surface, a through hole having an opening on the mounting surface and configured to introduce a fluid to the semiconductor pressure sensor elemen...
03/01/2012
20120044556OPTICAL SCANNING APPARATUS
An optical scanning apparatus includes a laser source configured to irradiate a laser beam, a prism configured to reflect the laser beam irradiated from the laser source, a mirror configured to move the laser beam reflected from the prism by oscillating with respect to ...
02/23/2012
20120044277BRIGHTNESS CONTROL APPARATUS AND BRIGHTNESS CONTROL METHOD
A brightness control apparatus for performing brightness control on backlights for a display screen based on an input image signal, includes: an image information analysis unit configured to analyze information of at least one item of an average brightness level, bright...
02/23/2012
20120043952SEMICONDUCTOR INTEGRATED CIRCUIT, SWITCHING POWER SUPPLY, AND CONTROL SYSTEM
A semiconductor integrated circuit includes a current mirror having a predetermined input-output ratio and including a first transistor configured to receive an input current and a second transistor configured to output an output current, and an output transistor config...
02/23/2012
20120026023SUCCESSIVE APPROXIMATION AD CONVERSION CIRCUIT
A successive approximation AD conversion circuit has improved conversion accuracy without prolonging the time necessary for conversion. The successive approximation AD conversion circuit includes a plurality of amplifier stages cascaded together through coupling capacit...
02/02/2012
20110281425METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
A method of manufacturing a semiconductor device includes forming a photoresist pattern on an insulating film formed on a semiconductor substrate by applying a photoresist on the insulating film; processing the insulating film by removing an unnecessary portion of the i...
11/17/2011
20120019291RESET CIRCUIT AND CONTROL APPARATUS INCLUDING THE RESET CIRCUIT
A reset circuit for resetting and terminating the resetting of a reset target includes an n-channel metal-oxide-semiconductor field-effect transistor (MOSFET), a gate drive circuit configured to switch a drain voltage of the n-channel MOSFET from a low level to a high l...
01/26/2012
20110274952FUEL GAUGE CIRCUIT AND BATTERY PACK
A fuel gauge circuit detects a residual quantity of a battery 1 and is disposed on a substrate 20 together with a protection circuit 40 which protects charging/discharging of the battery 1. The fuel gauge circuit includes a voltage monitor te...
11/10/2011
20110273825RECEIVING DEVICE AND MANUFACTURING METHOD THEREOF
A receiving device includes a board on which components for receiving a digital broadcasting signal are mounted; a non-conductive casing configured to accommodate the board; and a non-conductive lid configured to cover the board and being connected to the non-conductive...
11/10/2011
20110273804PROTECTION MONITORING CIRCUIT AND BATTERY PACK
A protection monitoring circuit 101 includes a protection circuit 130 which detects at least one of overcharge, overdischarge, and overcurrent of a chargeable and dischargeable secondary battery 110 and protects the secondary battery 110 by p...
11/10/2011
20110273624RECEIVING DEVICE
A receiving device includes a circuit board having mutually opposite first and second surfaces, the circuit board including a tuner mounted on the second surface to receive a digital broadcasting signal, a decoder IC mounted on the first surface to convert an intermedia...
11/10/2011
20110270552DELTA-SIGMA AD CONVERTER CIRCUIT AND BATTERY PACK
A delta-sigma AD converter circuit includes a modulation unit to produce pulse density modulated data by pulse density modulation of an analog signal, and a filtering unit to convert the pulse density modulated data into pulse code modulated data, wherein the modulation...
11/03/2011
20110268228RECEIVING DEVICE
A receiving device includes a case body having an insertion slot of a contact IC card formed in the case body, a tuner arranged in the case body to receive a digital broadcasting signal, and a digital circuit board arranged in the case body to accommodate the tuner moun...
11/03/2011
20110267236BROADBAND ANTENNA UNIT COMPRISING A FOLDED PLATE-SHAPED MONOPOLE ANTENNA PORTION AND AN EXTENDING PORTION
In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna port...
11/03/2011
20110267115POWER-ON RESET CIRCUIT WITH SUPPRESSED CURRENT
A power-on reset circuit includes a first monitor circuit that monitors a power supply voltage, an output circuit that outputs a reset release signal upon detection, by the first monitor circuit, of the power supply voltage exceeding a first predetermined value, and a c...
11/03/2011
20120012975SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
A semiconductor integrated circuit device includes a semiconductor substrate including a digital circuit area and an analog circuit area that is divided into an active element area disposed away from the digital circuit area and a passive element area disposed adjacent ...
01/19/2012
20120001605DIFFERENTIAL AMPLIFIER CIRCUIT AND SERIES REGULATOR
A differential amplifier circuit including: a differential input stage including a pair of differential MOS transistors, a pair of load elements, and a first constant-current source; an output stage including an output MOS transistor and a second constant-current source...
01/05/2012
20110310573HIGH FREQUENCY DEVICE AND A PRINTED BOARD HOLDING STRUCTURE
A high frequency device includes a metal case; a printed board configured to be inserted in the case; a projecting part configured to project to an inside of the case; a solder guiding hole formed at the projecting part, the solder guiding hole being configured to guide...
12/22/2011
20110254131SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
In a semiconductor integrated circuit device including a digital circuit region in which a digital circuit is formed, and an analog circuit region in which an analog circuit is formed, the analog circuit region is separated into an active element region in which an acti...
10/20/2011
20110244638SEMICONDUCTOR DEVICE MANUFACTURING METHOD
A semiconductor device manufacturing method is a method of forming a semiconductor device that includes a cell part that includes plural transistor cells in each of which a gate of a trench type is formed in a semiconductor layer, and diffused layers are formed on both ...
10/06/2011
20110241693BATTERY PACK, SEMICONDUCTOR INTEGRATED CIRCUIT, REMAINING CAPACITY CORRECTION METHOD, AND STORAGE MEDIUM
A battery pack includes a voltage detection part configured to detect the voltage of a battery unit including multiple chargeable and dischargeable secondary cells; a current detection part configured to detect a current flowing through the battery unit; a dischargeable...
10/06/2011
20110221499COUNTER CIRCUIT AND PROTECTION CIRCUIT
A counter circuit is provided that can switch delay times by use of a simple circuit configuration. A counter circuit includes plural stages of flip flops connected in cascade, in which a flip flop in a first stage receives a clock from an oscillator as an input signal,...
09/15/2011
20110212562METHOD OF PRODUCING A BIOSENSOR
A method for manufacturing a biosensor includes forming a laminate of a first silicon oxide film and a polysilicon film on one surface of a silicon substrate; forming a second silicon oxide film on the other surface of the silicon substrate; forming a source electrode, ...
09/01/2011
20110206949COMMUNICATION DEVICE AND BATTERY PACK CONTAINING COMMUNICATION DEVICE
A communication device includes a first JK flip-flop (FF) outputting a first output signal in response to a first input signal at a J-input and a reversed signal of the first input signal at a K-input, and a second JK FF outputting a second output signal in response to ...
08/25/2011
20110205647LEAF SPRING WITH HIGH THRUST
A leaf spring supports a pillar shaped movable portion disposed in a center portion with respect to a cylindrical fixed portion disposed around the movable portion in the direction of a center axis shiftably so as to position the movable portion in a radial direction. T...
08/25/2011
20110205600OPTICAL SCANNING APPARATUS, DRIVE CONTROL CIRCUIT, AND WRITING CONTROL METHOD
An optical scanning apparatus for projecting an image by scanning a light beam from a light source includes a mirror for scanning the light beam from the light source by being oscillated at resonance frequency and a drive control part controlling a timing for activating...
08/25/2011
20110199742AC ADAPTER
An AC adapter including an electronic device, a first circuit board on which the electronic device is mounted, a second circuit board separated from the first circuit board, a connector mounted on the second circuit board and electrically connected to the second circuit...
08/18/2011
20110193224SEMICONDUCTOR DEVICE
In a semiconductor device, a pad electrode is disposed on a surface of a semiconductor substrate, and a surface-protective film is disposed on the surface of the semiconductor substrate and the pad electrode. The surface-protective film has an opening to expose a part o...
08/11/2011
20110187343COMMUNICATION DEVICE AND BATTERY PACK IN WHICH THE COMMUNICATION DEVICE IS PROVIDED
A communication device, includes a CMOS type inverter configured to transfer a signal, the signal being transferred and received between an electronic device and a control part able to communicate with the electronic device whose electric power supply is a rechargeable ...
08/04/2011
20110187329BATTERY CONDITION DETECTOR, BATTERY PACK INCLUDING SAME, AND BATTERY CONDITION DETECTING METHOD
A battery condition detector configured to detect a micro short circuit of a rechargeable battery is disclosed. The battery condition detector includes a processing part configured to calculate the remaining capacity and the full-charge capacity of a rechargeable batter...
08/04/2011
20110178746PORTABLE DEVICE, BATTERY PACK, DISPLAY CONTROLLING METHOD, AND DISPLAY CONTROLLING PROGRAM
A portable device driven by a secondary battery which is chargeable and dischargeable, the portable device including a full charge detecting unit configured to detect full charge of the secondary battery in receipt of a report of the full charge and acquires capacity da...
07/21/2011
20110157409IMAGE QUALITY ADJUSTING DEVICE, IMAGE QUALITY ADJUSTING METHOD, AND IMAGE QUALITY ADJUSTING PROGRAM
An image quality adjusting device 12 includes an imaging unit 21 capturing a screen of a display terminal 11 using a spectroscopic camera and an RGB camera to obtain image information; an analysis unit 22 obtaining color data, profile data, a...
06/30/2011
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