Patent application number | Description | Published |
20090046210 | AUDIOVISUAL SYSTEM - An audiovisual system is provided in which the operability of selection by a user between internal speakers of a TV and external speakers connected to an audio amplifier has been improved, thus reducing the burdensomeness of operation. When an audio amplifier ( | 02-19-2009 |
20090232477 | AUDIOVISUAL SYSTEM AND CONTROL METHOD THEREOF - In an audiovisual system in which a TV, an AV amplifier, a DVD player and the like are combined, another device constituting the system is automatically set to an optimal operation state according to the content recorded on an optical disc. A reproduction content judging unit | 09-17-2009 |
20090262256 | VIDEO/SOUND OUTPUT DEVICE AND EXTERNAL SPEAKER CONTROL DEVICE - A television set includes: an internal speaker which outputs sound; a memory which holds information; a remote controller receiver which receives an instruction from the outside of the television set; a microcomputer which causes, based on a mode specifying instruction for specifying a sound output mode received by the remote controller receiver, the memory to hold any one of (a) information that indicates a first sound output mode in which sound is outputted from the internal speaker and (b) information that indicates a second sound output mode in which sound is outputted from an external speaker that is a speaker outside the television set; and an HDMI/CEC communication unit which outputs the information that indicates the sound output mode and that is held by the memory, to an amplifier which controls to operate or not operate the speaker outside the television set. | 10-22-2009 |
20090269036 | AUDIO OUTPUT SYSTEM CONTROL METHOD AND AUDIO OUTPUT SYSTEM - In an audio output system including a TV, an AV amplifier, a DVD player, and the like, a simple control program decides an audio output mode setting, i.e., whether to output audio from a built-in speaker of the TV or output audio from an external speaker connected to the AV amplifier by linking operations of the respective devices. | 10-29-2009 |
20090284665 | SOUND REPRODUCING APPARATUS AND AUDIOVISUAL SYSTEM - In an audiovisual system in which a source device and a television are connected via an AV amplifier, even when the AV amplifier is placed in a “Power Supply Standby State”, video/audio signals outputted from the source device can be viewed/listened to on the television without changing the wiring connections between the devices. | 11-19-2009 |
20110285921 | VIDEO/SOUND OUTPUT DEVICE AND EXTERNAL SPEAKER CONTROL DEVICE - A television set includes: an internal speaker which outputs sound; a memory which holds information; a remote controller receiver which receives an instruction from the outside of the television set; a microcomputer which causes, based on a mode specifying instruction for specifying a sound output mode received by the remote controller receiver, the memory to hold any one of (a) information that indicates a first sound output mode in which sound is outputted from the internal speaker and (b) information that indicates a second sound output mode in which sound is outputted from an external speaker that is a speaker outside the television set; and an HDMI/CEC communication unit which outputs the information that indicates the sound output mode and that is held by the memory, to an amplifier which controls to operate or not operate the speaker outside the television set. | 11-24-2011 |
Patent application number | Description | Published |
20110178634 | TABLET DISPENSER - A tablet dispenser includes a device body and a plurality of tablet cassettes disposed on one face of the device body. Each tablet cassette is capable of accommodating a plurality of types of tablets and of dispensing the tablets contained therein in a lateral direction. A plurality of chutes are in communication with the plurality of tablet cassettes. Each chute is disposed on the one face of the device body, adjacent to a corresponding tablet cassette. Each chute retains tablets dispensed from the corresponding tablet cassette and dispenses the tablets in a downward direction into a container. | 07-21-2011 |
20110309101 | POWDER REMOVING DEVICE FOR TABLET FEEDER - Powder (b) cut and attached to tablet pieces (T | 12-22-2011 |
20120031043 | MEDICAMENT DISPENSING MACHINE - The medicament dispensing machine enables to use vials having various sizes and shapes without changing a part in the machine or without performing a special operation. The medicament dispensing machine contains a discharging unit that receives a vial filled with a medicament from a medicament filling means and discharges out of a vial discharging window. The discharging unit contains a vial gripping means having a pair of gripping arms that grip a vial, a body of gripping means having the vial gripping means, a moving means that moves the vial gripping means from the medicament filling means to the vial discharging window, and an orientation changing mechanism that changes the orientation of the body of gripping means. With a coordination of the movement of the body of gripping means toward the vial discharging window, the orientation changing mechanism makes the gripping arms orient to the vial discharging window. | 02-09-2012 |
20130103188 | TABLET DISPENSER - A tablet dispenser includes a device body and a plurality of tablet cassettes disposed on one face of the device body. Each tablet cassette is capable of accommodating a plurality of types of tablets and of dispensing the tablets contained therein in a lateral direction. A plurality of chutes are in communication with the plurality of tablet cassettes. Each chute is disposed on the one face of the device body, adjacent to a corresponding tablet cassette. Each chute retains tablets dispensed from the corresponding tablet cassette and dispenses the tablets in a downward direction into a container. | 04-25-2013 |
20140103063 | TABLET DISPENSER - A tablet dispenser includes a device body and a plurality of tablet cassettes disposed on one face of the device body. Each tablet cassette is capable of accommodating a plurality of types of tablets and of dispensing the tablets contained therein in a lateral direction. A plurality of chutes are in communication with the plurality of tablet cassettes. Each chute is disposed on the one face of the device body, adjacent to a corresponding tablet cassette. Each chute retains tablets dispensed from the corresponding tablet cassette and dispenses the tablets in a downward direction into a container. | 04-17-2014 |
20140144544 | MEDICAMENT DISPENSING MACHINE - The medicament dispensing machine enables to use vials having various sizes and shapes without changing a part in the machine or without performing a special operation. The medicament dispensing machine contains a discharging unit that receives a vial filled with a medicament from a medicament filling means and discharges out of a vial discharging window. The discharging unit contains a vial gripping means having a pair of gripping arms that grip a vial, a body of gripping means having the vial gripping means, a moving means that moves the vial gripping means from the medicament filling means to the vial discharging window, and an orientation changing mechanism that changes the orientation of the body of gripping means. With a coordination of the movement of the body of gripping means toward the vial discharging window, the orientation changing mechanism makes the gripping arms orient to the vial discharging window. | 05-29-2014 |
20150197391 | TABLET FEEDER AND PHARMACY SYSTEM - A tablet feeder comprises a device body, a plurality of tablet cassettes disposed on one face of the device body | 07-16-2015 |
20150224030 | MEDICINE FEEDING DEVICE, AND MEDICINE COUNTING DEVICE - A medicine counting device including a rotary container broadening radially in an upward direction and configured to rotate around an axis of the rotary container; a guide member fixed with a predetermined gap on a top surface side of the rotary container, spirally extending from the central portion towards an outer circumference of the rotary container, and configured to guide a medicine moved by a rotation of the rotary container from the central portion towards the outer circumference of the rotary container. The medicine counting device further includes a detector provided outside of the rotary container and a regulator configured to feed a medicine having been moved to the outer circumference and being in contact with the guide member towards the detector but returns the medicines which are not being in contact with the guide member to the central portion side of the rotary container by overpassing the guide member. | 08-13-2015 |
20160000655 | MEDICINE FEEDING DEVICE AND A MEDICINE COUNTING DEVICE USING THE MEDICINE FEEDING DEVICE - A medicine feeding device is configured by providing a first rotor that rotates around a first shaft, a second rotor that rotates around a second shaft, a partition wall extending from the second rotor towards the first rotor, a medicine discharge port provided on the outside of the second rotor, a medicine guide section located in the downstream of a movement section in the medicine transport direction, and a height regulator disposed between the movement section and medicine guide section. In addition, the width regulator that is disposed between the medicine guide section and the height regulator is further provided. Also, a medicine counting device is further provided with a medicine detection means for detecting the medicine that is supplied from the medicine discharge port, and a counting means (central control unit) for counting the medicines based on the detection performed by the medicine detection means. | 01-07-2016 |
Patent application number | Description | Published |
20120306107 | SILICONE RESIN COMPOSITION, SILICONE RESIN SHEET, OPTICAL SEMICONDUCTOR ELEMENT DEVICE, AND PRODUCING METHOD OF SILICONE RESIN SHEET - A silicone resin composition contains a first organopolysiloxane having, in one molecule, both at least two ethylenically unsaturated hydrocarbon groups and at least two hydrosilyl groups; a second organopolysiloxane having, in one molecule, at least two hydrosilyl groups without containing an ethylenically unsaturated hydrocarbon group; a hydrosilylation catalyst; and a hydrosilylation inhibitor. | 12-06-2012 |
20130032852 | SILICONE RESIN COMPOSITION, ENCAPSULATING MATERIAL, AND LIGHT EMITTING DIODE DEVICE - A silicone resin composition contains a silicon-containing component including a silicon atom to which a monovalent hydrocarbon group selected from a saturated hydrocarbon group and an aromatic hydrocarbon group is bonded and a silicon atom to which an alkenyl group is bonded. The number of moles of alkenyl group per 1 g of the silicon-containing component is 200 to 2000 μmol/g. | 02-07-2013 |
20130048209 | METHOD FOR PRODUCING LIGHT EMITTING DIODE DEVICE - A method for producing a light emitting diode device includes the steps of preparing a laminate including, in order, a supporting layer, a constraining layer and an encapsulating resin layer, each formed in a thickness direction; cutting the encapsulating resin layer and the constraining layer in the laminate into a pattern corresponding to the light emitting diode element; removing a portion which does not correspond to the light emitting diode element in the encapsulating resin layer and the constraining layer that are cut into the pattern; allowing the encapsulating resin layer corresponding to the light emitting diode element to be opposed to the light emitting diode element to be pressed in the direction where they come close to each other so as to encapsulate the light emitting diode element by the encapsulating resin layer; and removing the supporting layer and the constraining layer from the laminate. | 02-28-2013 |
20130069106 | SILICONE RESIN SHEET, PRODUCING METHOD THEREOF, ENCAPSULATING SHEET, AND LIGHT EMITTING DIODE DEVICE - A method for producing a silicone resin sheet includes the steps of forming a first coating layer by applying a first silicone resin composition which contains a first organopolysiloxane and a second organopolysiloxane; forming a precursor layer from the first coating layer by reacting the first organopolysiloxane with the second organopolysiloxane so as to have a conversion ratio of 5 to 40%; and forming a second layer on at least one surface in a thickness direction of the precursor layer by applying a second silicone resin composition which contains a third organopolysiloxane, a fourth organopolysiloxane, a hydrosilylation catalyst, and a curing retardant containing tetraalkylammonium hydroxide. | 03-21-2013 |
20140024179 | PRODUCING METHOD OF SEMICONDUCTOR DEVICE - A method for producing a semiconductor device includes a preparing step of preparing a board formed with a concave portion, a terminal disposed in or around the concave portion, and a semiconductor element disposed in the concave portion; a wire-bonding step of connecting the terminal to the semiconductor element with a wire; a pressure-welding step of pressure-welding an encapsulating sheet to the board so as to be in close contact with the upper surface of a portion around the concave portion and to be separated from the upper surface of the concave portion under a reduced pressure atmosphere; and an atmosphere releasing step of releasing the board and the encapsulating sheet under an atmospheric pressure atmosphere. | 01-23-2014 |
20140091334 | ENCAPSULATING SHEET-COVERED SEMICONDUCTOR ELEMENT, PRODUCING METHOD THEREOF, SEMICONDUCTOR DEVICE, AND PRODUCING METHOD THEREOF - A method for producing an encapsulating sheet-covered semiconductor element includes a semiconductor element disposing step of disposing a plurality of semiconductor elements at spaced intervals to each other and an encapsulating sheet disposing step of disposing an encapsulating sheet so as to cover a plurality of the semiconductor elements and to form a space over the semiconductor elements adjacent to each other. | 04-03-2014 |
20140091337 | LIGHT-EMITTING DEVICE, LIGHT-EMITTING DEVICE ASSEMBLY, AND ELECTRODE-BEARING SUBSTRATE - A light-emitting device assembly includes a substrate, an optical semiconductor element mounted on the surface of the substrate, an encapsulating layer formed on the substrate surface to encapsulate the optical semiconductor element, and an electrode formed on the substrate surface to be electrically connected to the optical semiconductor element. On the substrate, only an encapsulating region and an electrode region are formed, the encapsulating region including the optical semiconductor element and being defined by the encapsulating layer, and the electrode region being defined by the electrode exposed from the encapsulating layer. | 04-03-2014 |
20140091348 | ENCAPSULATING SHEET-COVERED SEMICONDUCTOR ELEMENT, PRODUCING METHOD THEREOF, SEMICONDUCTOR DEVICE, AND PRODUCING METHOD THEREOF - An encapsulating sheet-covered semiconductor element includes a semiconductor element having one surface in contact with a board and the other surface disposed at the other side of the one surface and an encapsulating sheet covering at least the other surface of the semiconductor element. The encapsulating sheet includes an exposed surface that is, when projected from one side toward the other side, not included in the one surface of the semiconductor element and exposed from the one surface and the exposed surface has the other side portion that is positioned toward the other side with respect to the one surface of the semiconductor element. | 04-03-2014 |
20140159072 | LIGHT-EMITTING DEVICE, LIGHT-EMITTING DEVICE ASSEMBLY, AND ELECTRODE-BEARING SUBSTRATE - A light-emitting device assembly includes a plurality of light-emitting devices, the plurality of light-emitting devices being provided continuously, the plurality of light-emitting devices each including a substrate, an optical semiconductor element mounted on the surface of the substrate, an encapsulating layer formed on the substrate surface to encapsulate the optical semiconductor element, and an electrode formed on the substrate surface so as to be electrically connected to the optical semiconductor element. The substrate has a fragile region formed to partition off the light-emitting devices that are disposed next to each other. | 06-12-2014 |
20150179482 | PRODUCING METHOD OF ENCAPSULATING LAYER-COVERED SEMICONDUCTOR ELEMENT AND PRODUCING METHOD OF SEMICONDUCTOR DEVICE - A method for producing an encapsulating layer-covered semiconductor element includes a disposing step of disposing a semiconductor element on a support, an encapsulating step of embedding and encapsulating the semiconductor element by an encapsulating layer in an encapsulating sheet including a peeling layer and the encapsulating layer laminated below the peeling layer and made from a thermosetting resin before complete curing, and a heating step of heating and curing the encapsulating layer after the encapsulating step. The heating step includes a first heating step in which the encapsulating sheet is heated under a normal pressure at a first temperature, a peeling step in which the peeling layer is peeled from the encapsulating layer after the first heating step, and a second heating step in which the encapsulating layer is heated at a second temperature that is higher than the first temperature after the peeling step. | 06-25-2015 |
20150194324 | PRODUCING METHOD OF ENCAPSULATING LAYER-COVERED SEMICONDUCTOR ELEMENT AND PRODUCING METHOD OF SEMICONDUCTOR DEVICE - A method for producing an encapsulating layer-covered semiconductor element includes a disposing step of disposing a semiconductor element on a support, an encapsulating step of embedding and encapsulating the semiconductor element by an encapsulating layer in an encapsulating sheet including a peeling layer and the encapsulating layer laminated below the peeling layer and made from a thermosetting resin before complete curing, and a heating step of heating and curing the encapsulating layer after the encapsulating step. The heating step includes a first heating step in which the encapsulating sheet is heated at a first temperature, while being mechanically pressurized toward the support and a second heating step in which the encapsulating sheet is heated at a second temperature that is higher than the first temperature after the first heating step. | 07-09-2015 |
Patent application number | Description | Published |
20080218176 | Power Supply Device - A power supply device has a capacitor unit in which capacitors are interconnected in series, a charging unit for charging the capacitor unit at a constant current, a detecting unit for detecting voltage on the high potential side of each of the capacitors, a determining unit for determining the existence of an abnormality based on the voltage detected by the detecting unit. The determining unit determines the abnormality when the difference between respective voltages on the high potential sides of some adjacent capacitors exceeds upper-limit voltage value Va, when the difference is lower than lower-limit voltage value Vb, or when a voltage is negative. | 09-11-2008 |
20090088993 | VEHICLE POWER SUPPLY DEVICE AND ITS DEGRADATION JUDGMENT METHOD - A vehicle power supply device has a capacitor unit including capacitors storing auxiliary power; a temperature sensor; a charge circuit; a capacitor-unit current detector; a capacitor-unit voltage detector; a controller; a storage; and a determination unit. The determination unit determines the degradation level of the capacitor unit based on at least one of an internal resistance standard value and a corrected calculated value of capacitance. This structure determines degradation of the vehicle power supply device more accurately than ever, so that the device can be used until the end of the actual life. | 04-02-2009 |
20090119034 | VEHICLE POWER SUPPLY DEVICE - A vehicle power supply device performs highly accurate determination of degradation of the capacitor unit as follows. Internal resistance and capacitance are corrected according to the temperature of capacitor unit during charge or discharge, thereby obtaining a corrected calculated value if capacitance. The corrected calculated value of capacitance is substituted into a degradation determination formula, which is pre-calculated according to the temperature, thereby calculating the standard value corresponding to the temperature detected by temperature sensor. When the standard value is equal to or less than the corrected calculated value of internal resistance, capacitor unit is determined to be degraded. | 05-07-2009 |
20090167575 | Analog-To-Digital Converting Apparatus And Vehicle Power Supply Apparatus Using The Same - The A/D conversion apparatus and the vehicle power-supply device using the apparatus calculate errors at a plurality of reference voltages and reference errors prior to error correction. Each reference error is applied to a digital-output range that is divided by digital output corresponding to the reference voltages. In the calculation, when the errors obtained at adjacent reference voltages have same signs, the reference error is determined as an average of the errors obtained at adjacent reference voltages; on the other hand, when the errors obtained at adjacent reference voltages have different signs, the reference error is determined to be zero. The apparatus provides a corrected digital output by subtracting the reference error—which is applied to the digital-output range including the digital output—from the digital output corresponding to analog input voltage. | 07-02-2009 |
20110115427 | ENERGY STORAGE DEVICE - In an energy storage device, a charging circuit is electrically coupled to the energy storage section. A first comparator is electrically coupled to an energy storage section, and its output is inverted when voltage Vc of the energy storage section reaches first predetermined voltage Vc | 05-19-2011 |
Patent application number | Description | Published |
20090034962 | Camera module and electronic device - There is provided an inexpensive camera module | 02-05-2009 |
20120307385 | LENS BARREL AND IMAGING OPTICAL SYSTEM - A lens barrel of the present invention is provided with an electric section having a plurality of sliding portions that slide along the predetermined conductor pattern. The electric section is provided with a thin-sheet electric section body supporting the plurality of sliding portions, and a reinforcing portion is provided at the electric section body. Therefore, in the lens barrel | 12-06-2012 |
20130155531 | LENS BARREL AND LENS UNIT - A lens barrel and a lens unit each include a lens drive operation member that drives a lens holding member holding a movable lens group, in an axial direction by a rotation operation of a rotating member. This lens drive operation member has a body disposed so as to be rotatable about an axis of a fixed barrel and so as not to be movable in the axial direction and connected to the rotating member by a connecting portion, and the connecting portion includes at least two connecting members, that is, a first connecting member formed integrally with the body, and a second connecting member formed separately from the body. | 06-20-2013 |
20150146035 | LENS BARREL AND LENS UNIT - A lens barrel includes: a motor; an input transmission ring that is rotated by the motor and is rotatable around the optical axis; and a lens drive cylinder connected to the input transmission ring so that rotating force can be transmitted from the input transmission ring, the lens drive cylinder moving a lens in the optical axis direction and being rotatable. The lens drive cylinder is placed on one side of the motor in the optical axis direction, and the input transmission ring is placed on the same side of the motor as the lens drive cylinder. | 05-28-2015 |
20150253531 | LENS CAP - A lens cap includes: a cap main frame; and a pair of operating members attached to a front surface of the cap main frame, wherein, when the operating members are made to slide outward by a biasing force, engaging portions at outer ends of the operating members are engaged with to-be-engaged portions in the front end opening, while first locking portions are formed at inner edges of the operating members, and second locking portions are formed on back surfaces of the operating members, concave portions are formed on the front surface of the cap main frame, first openings and second openings are formed in bottoms of the concave portions, cover plates are placed on the back surface of the cap main frame, and biasing members are placed between the cover plates and the back surface of the cap main frame. | 09-10-2015 |
Patent application number | Description | Published |
20110018752 | FLASH A/D CONVERTER, FLASH A/D CONVERSION MODULE, AND DELTA-SIGMA A/D CONVERTER - In a flash A/D converter, a predictor predicts next analog input data based on a digital output signal from an A/D converter, and outputs prediction data. Based on the prediction data from the predictor, a controller turns on comparators having reference voltages near the prediction data, and in order to ensure a certain degree of A/D conversion accuracy even when the prediction fails, also turns on even-numbered comparators | 01-27-2011 |
20110050476 | INTEGRATOR, RESONATOR, AND OVERSAMPLING A/D CONVERTER - An integrator includes an operational amplifier, a first filter connected to an inverting input terminal of the operational amplifier, and a second filter connected between the inverting input terminal and an output terminal of the operational amplifier. The first filter includes n resistive elements connected in series, and (n−1) capacitive elements each having one end connected to an interconnecting node of the resistive elements and the other end connected to ground. The second filter includes n capacitive elements connected in series, and (n−1) resistive elements each having one end connected to an interconnecting node of the capacitive elements and the other end connected to ground. | 03-03-2011 |
20110133964 | OVERSAMPLING A/D CONVERTER - An oversampling A/D converter includes a first filter including a first resistive element, a first capacitive element, a second resistive element, an operational amplifier, and a second capacitive element; a second filter receiving an output of the first filter; a third filter including a third resistive element, a third capacitive element, and a fourth resistive element; a quantizer receiving an output of the third filter and generating a digital signal; and a D/A converter converting the digital signal to an analog current signal. The D/A converter inputs the generated analog current signal to an inverting input terminal of the operational amplifier. | 06-09-2011 |
20110169677 | RESONATOR AND OVERSAMPLING A/D CONVERTER - Two resistive elements and a capacitive element are coupled between a first node and each of an inverting input terminal of an operational amplifier, an output terminal of the operational amplifier, and a common node. A resistive element and a capacitive element are coupled between the first node and a signal input terminal. Two capacitive elements and a resistive element are coupled between a second node and each of the inverting input terminal, the output terminal, and the common node. Two capacitive elements are coupled between the second node and each of the signal input terminal, and the common node. | 07-14-2011 |
20110200077 | DELTA-SIGMA MODULATOR AND WIRELESS COMMUNICATION DEVICE - In a DSM including a loop in which an output signal of a quantizer is digitally processed, and fed back through a DAC to an analog filter, the quantizer quantizes an analog signal from an analog filter section to output a digital signal. The digital signal from the quantizer is digitally processed in a first-order recursive filter circuit including a variable gain amplifier and a delay element. A LUT receives both the digital signal from the quantizer and a table control signal, which is an output signal from the recursive filter circuit, and stores in advance compensation values corresponding to the both signals. A compensation value from the LUT is used to provide a digital output signal compensated for a delay. The digital output signal is converted into an analog signal in the DAC, and then subtracted from an analog input signal in the analog filter section. | 08-18-2011 |
20110254718 | INTEGRATOR AND DELTA-SIGMA MODULATOR INCLUDING THE SAME - An integrator is provided which can reduce a disturbance in the current waveform of a current DA converter in order to improve the SNR of a ΔΣ modulator, for example. The integrator includes an operational amplifier, and feedback paths provided in parallel between the output terminal and inverting input terminal of the operational amplifier. In one of the feedback paths, an integrating capacitor and at least one resistor are connected in series. In the other feedback path, a second integrating capacitor whose capacitance value is smaller than that of the integrating capacitor is provided. | 10-20-2011 |
20120262320 | RESONATOR, DELTA-SIGMA MODULATOR, AND WIRELESS COMMUNICATION DEVICE - Two T filters, one of which includes two resistive elements and one capacitive element and the other of which includes two capacitive elements and one resistive element, are inserted in a negative-feedback section of an operational amplifier, and a resistive element and a capacitive element are connected between each of intermediate nodes and a signal input terminal. A resistive element and a capacitive element which are connected to each other in parallel are connected between the signal input terminal and an inverting input terminal of the operational amplifier. With this configuration, overall admittances where elements connected to the corresponding intermediate nodes are in parallel connection are equal to each other. | 10-18-2012 |
20130169460 | DELTA-SIGMA MODULATOR, INTEGRATOR, AND WIRELESS COMMUNICATION DEVICE - A delta-sigma modulator includes: an integrator having an operational amplifier; a quantizer quantizing an output of the integrator; a first D-A converter converting an output of the quantizer to a current signal to provide negative feedback to the operational amplifier; a feedforward path feeding forward an input of the integrator to the quantizer; and a second D-A converter converting the output of the quantizer to a current signal to provide negative feedback to the quantizer. The integrator includes a resistive element having a first end connected to the input of the integrator and a second end connected to an inverting input of the operational amplifier, n capacitive circuits connected in series between the inverting input and an output of the operational amplifier, and (n−1) resistive elements each having a first end connected to an interconnecting node of the capacitive circuits and a second end connected to a common node. | 07-04-2013 |
20130249718 | OVERSAMPLING A/D CONVERTER - An oversampling A/D converter includes a first filter including a first resistive element, a first capacitive element, a second resistive element, an operational amplifier, and a second capacitive element; a second filter receiving an output of the first filter; a third filter including a third resistive element, a third capacitive element, and a fourth resistive element; a quantizer receiving an output of the third filter and generating a digital signal; and a D/A converter converting the digital signal to an analog current signal. The D/A converter inputs the generated analog current signal to an inverting input terminal of the operational amplifier. | 09-26-2013 |