KABUSHIKI KAISHA AUDIO-TECHNICA Patent applications |
Patent application number | Title | Published |
20160142826 | VOICE COIL UNIT, ELECTRO-ACOUSTIC TRANSDUCER, AND HEADPHONE SET - A voice coil unit for a dynamic electro-acoustic transducer is disposed in a magnetic circuit, outputs acoustic waves through driving of a diaphragm in response to digital signals, and includes coils that are each composed of a multi-strand wire and receive different digital signals. | 05-19-2016 |
20160142811 | HEADPHONE UNIT AND EAR MUFF UNIT - Provided is a headphone unit including a housing having a convex portion and accommodating a driver unit, a support in contact with part of the outer surface of the convex portion, and a frictional member in contact with the support and the outer surface of the convex portion. The frictional member generates greater friction against the convex portion than the friction between the support and the convex portion. The housing is swingably joined to the support. | 05-19-2016 |
20160142809 | WIRING STRUCTURE FOR ELECTROACOUSTIC TRANSDUCER FOR DIGITAL SIGNAL AND HEADPHONE FOR DIGITAL SIGNAL - A wiring structure is provided for an electroacoustic transducer directly converting digital signals from a single sound source to sound waves without conversion to analogue signals. The structure includes a diaphragm, and a plurality of voice coils fixed to the diaphragm. The voice coils are connected to respective cables each consisting of a stranded pair of positive and negative input lines. | 05-19-2016 |
20160119702 | MICROPHONE DEVICE - The microphone device includes a tubular support of a conductive material. A microphone unit is provided at one end of the support and grounded to the support. A cable passes through the support and includes core wires connected to a signal output terminal of the microphone unit. A conductive covering material that covers the core wires and is electrically connected to the support. | 04-28-2016 |
20150341715 | Microphone - A microphone | 11-26-2015 |
20150333429 | Connector of Microphone, Microphone, and Method for Manufacturing Connector of Microphone - A connector of a microphone includes a cylindrical connector case | 11-19-2015 |
20150304754 | Microphone and Wind Screen - A simple microphone which can vary the direction of the light beams emitted from a ring lamp is provided. A microphone includes a ring lamp; and a light guide that receives incident light beams emitted from the ring lamp. The light guide includes a plurality of light-guiding portions that receive the light beams. The light guide is movable relative to the ring lamp. The light guide moves for selection of the light-guiding portion to receive the light beams and vary the direction of the light beams. | 10-22-2015 |
20150270638 | Connector - A connector according to the invention includes: a metal cylinder; a conductive receptacle having an end fitted in an end of the metal cylinder; a pin assembly fitted in the conductive receptacle; pins fixed to the pin assembly, the pins being connected to a cable; a circuit board fixed to the other end of the metal cylinder, the circuit board having through holes electrically connected to the pins; and a sealant disposed between the circuit board and the pin assembly, the sealant infilling gaps between the pins and the through holes of the circuit board. | 09-24-2015 |
20150237442 | Digital Microphone and Position-to-Frequency Converter - A digital microphone includes: a cavity resonator operatable in a micrometer, millimeter, or electromagnetic waveband, the cavity resonator having a metal wall including a conductive membrane | 08-20-2015 |
20150139453 | MICROPHONE AND MICROPHONE DEVICE - A microphone comprises a microphone unit; and a HOT terminal and a COLD terminal that produce a balanced output of output signals of the microphone unit, and no filter circuit is disposed between the microphone unit and the HOT terminal and a low-pass filter is disposed only between the microphone unit and the COLD terminal. | 05-21-2015 |
20150131802 | STEREO MICROPHONE - A stereo microphone includes a nondirectional microphone unit and two bidirectional microphone units, the bidirectional microphone units having directional axes disposed on a single plane at predetermined angles to the center axis of the directionality of the stereo microphone, an acoustic terminal of the nondirectional microphone unit being disposed in the vicinity of acoustic terminals of the bidirectional microphone units. | 05-14-2015 |
20150124992 | Dynamic Headphone Unit and Method of Producing Dynamic Headphone Unit - A dynamic headphone unit includes a diaphragm to which a voice coil is fixed, a permanent magnet, a pole piece disposed adjacent one of the magnetic poles of the permanent magnet, and a yoke disposed adjacent the other magnetic pole of the permanent magnet. The pole piece and the yoke define a magnetic gap therebetween, and the voice coil is vibratably supported by the diaphragm in the magnetic gap. The voice coil includes a lead line for transmitting signal current. The lead line is bonded to the inner surface of a peripheral dome of the diaphragm with a pressure-sensitive adhesive. | 05-07-2015 |
20150117692 | Microphone - A microphone includes an output controller | 04-30-2015 |
20150110307 | CONDENSER MICROPHONE - A condenser microphone includes a condenser microphone unit having a diaphragm and a fixed electrode disposed opposite to the diaphragm; a field effect transistor serving as an impedance converter; and a transistor to generate operational power for the field effect transistor; wherein the field effect transistor comprises a gate, a source and a drain, the gate is connected to the fixed electrode or the diaphragm, the diaphragm disposed opposite to the fixed electrode connected to the gate or the fixed electrode facing the diaphragm connected to the gate is grounded; the source is connected to a base of the transistor; the drain is connected to an emitter of the transistor; and a resistor establishing a base potential of the transistor is disposed between the base of the transistor and a ground. | 04-23-2015 |
20150110301 | Throat Microphone - A throat microphone includes a cantilevered piezoelectric device | 04-23-2015 |
20150104056 | Electret Condenser Microphone - The electret condenser microphone according to the present invention includes an electret condenser microphone unit including a diaphragm and a fixed pole disposed opposite to the diaphragm; and a three-pin plug including a hot terminal and a cold terminal and being capable of producing a balanced output, wherein each of the hot terminal and the cold terminal is coupled to an FET that functions as an impedance converter a gate terminal of one of the FETs is coupled to the diaphragm, a gate terminal of the other of the FETs is coupled to the fixed pole, and the gate terminal of the FET coupled to the cold terminal is AC-grounded. | 04-16-2015 |
20140376760 | HANDHELD MICROPHONE - A handheld microphone includes a microphone unit supported with a vibration insulator on a microphone case; the handheld microphone comprising a filter circuit for filtering output signals from the microphone unit; the filter circuit comprising a passive filter connected to an output terminal of the microphone unit, and a high-pass filter connected downstream of the passive filter and outputting the filtered signals from the microphone unit. | 12-25-2014 |
20140376752 | RIBBON MICROPHONE AND UNIDIRECTIONAL CONVERTER THEREFOR - A ribbon microphone includes a ribbon microphone unit; an acoustic box for mounting a rear acoustic terminal of the ribbon microphone unit; a detective microphone mounted in the acoustic box, the detective microphone detecting sound waves identical to sound waves guided to the rear acoustic terminal of the ribbon microphone unit; a speaker comprising a diaphragm, the speaker being assembled in the acoustic box and varying the pressure in the acoustic box in response to the driven diaphragm; and a drive unit for driving the speaker so as to cancel a variation in pressure in the acoustic box in response to signals detected by the detective microphone, the variation being caused by sound waves guided to the rear acoustic terminal. This configuration extracts an omnidirectional component without an acoustic tube to achieve a small high-sensitivity unidirectional ribbon microphone and a unidirectional converter for the ribbon microphone. | 12-25-2014 |
20140376750 | HANDSET MICROPHONE - A handset microphone includes: a microphone unit, a first switch for turning on or off the output from the microphone unit, and a second switch for enabling or disabling the output from the microphone unit; the first and second switches have contacts operated by a magnetic field; the contact of the first switch is closed and short-circuits the output terminals while the first switch is being affected by the magnetic field; and the contact of the second switch is opened and disconnects one of the output terminals while the second switch is being affected by the magnetic field. | 12-25-2014 |
20140369532 | ELECTRO-ACOUSTIC TRANSDUCER - In an electro-acoustic transducer including a needle electrode and a counter electrode facing the needle electrode and inducing electric discharge between the needle electrode and the counter electrode for electro-acoustic conversion by an RF voltage applied across the needle electrode and the counter electrode, the counter electrode has a cylindrical surface surrounding plasma extending from the needle electrode and has a cutout in a part of the cylindrical surface. This configuration prevents a short circuit between the needle electrode and the counter electrode due to plasma. | 12-18-2014 |
20140369507 | STEREO MICROPHONE - A stereo microphone includes two unidirective mid units and a bidirective side unit, the side unit is a ribbon microphone unit including a ribbon diaphragm, the two mid units are disposed at two respective surfaces of the ribbon diaphragm of the side unit, and the mid units each have a sound collecting axis along a longitudinal direction of the ribbon diaphragm in the side unit. | 12-18-2014 |
20140355808 | Condenser Microphone - A condenser microphone includes a unit case that supports a condenser microphone unit, has an internal space in communication with a rear acoustic terminal of the microphone unit, and has an opening in a peripheral wall in communication with the internal space; a volume restrictor that reduces the volume of the internal space by partitioning the internal space; a circuit board disposed in the internal space and surrounded by the volume restrictor; and a rigid conductor that electrically connects a signal output terminal of the microphone unit and the circuit board. The circuit board intersects the center axis of the unit case. The rigid conductor is supported such that the rigid conductor slides along the volume restrictor. An elastic conductor is compressed between the rigid conductor and the circuit board or between the rigid conductor and the signal output terminal of the microphone unit. | 12-04-2014 |
20140241530 | CONDENSER STEREOMICROPHONE - A condenser stereomicrophone includes a mid condenser microphone unit that is connected to left and right side condenser microphone units such that the output from the mid condenser microphone unit is applied to the left and right side condenser microphone units. The left and right side condenser microphone units are connected to left and right-channel connector terminals, respectively; and the left and right-channel connector terminals are connected to the mid condenser microphone unit via corresponding power-supply resistors. | 08-28-2014 |
20140198942 | MICROPHONE - A back air room of a microphone unit can be enlarged and a model with a sound signal output switch can easily be diverted to a switchless model. A reed switch | 07-17-2014 |
20140112514 | VARIABLE DIRECTIVITY CONDENSER MICROPHONE - A first diaphragm FD and a second diaphragm RD are respectively arranged across a fixed electrode BP at both sides to constitute the variable directivity condenser microphone. A microphone body | 04-24-2014 |
20140003628 | Condenser Microphone | 01-02-2014 |
20130287223 | UNIDIRECTIONAL MICROPHONE - The present invention provides a unidirectional microphone by adding an output from an omnidirectional condenser microphone unit and an output from a bi-directional ribbon microphone unit together. A condenser microphone unit | 10-31-2013 |
20130230195 | CONDENSER MICROPHONE - A condenser microphone which prevents a directional axis from varying depending on a sound source frequency is provided. The condenser microphone includes a first reflector member | 09-05-2013 |
20130216084 | UNIDIRECTIONAL CONDENSER MICROPHONE AND METHOD FOR ADJUSTING ACOUSTIC RESISTANCE - To provide an insulator, which supports a fixed pole in a unidirectional condenser microphone in a shareable manner among microphones that are different in the distance between acoustic terminals from one another. Coarse adjustment is performed on an insulator | 08-22-2013 |
20130070941 | DYNAMIC MICROPHONE - A microphone includes a polar piece contacting with a first magnetic pole of a first permanent magnet, a yoke body annularly arranged around the polar piece through a magnetic gap G with a predetermined width, a magnetic circuit unit including a tail yoke connected to the yoke body and contacting with a second magnetic pole of the first permanent magnet, and a diaphragm unit provided with a voice coil arranged to vibrate in the magnetic gap. The second magnetic pole of the first permanent magnet contacts with one side of the tail yoke, a first magnetic pole of the second permanent magnet is disposed to contact with other side of the tail yoke, a magnetic path is produced between the second magnetic pole of the second permanent magnet and the yoke body, and the first permanent magnet and the second permanent magnet are polarized in the same sense. | 03-21-2013 |
20130064409 | NARROW-ANGLE DIRECTIONAL MICROPHONE - A narrow-angle directional microphone having an acoustic tube, accommodated in a cylindrical microphone case, in a circumferential wall of which an opening is formed to be covered with an acoustic resistor and to a rear end of which a microphone unit is attached, prevents abnormal noise from occurring. The narrow-angle directional microphone includes a first acoustic resisting material provided on an outer circumferential surface of the acoustic tube and covering the opening; and a second acoustic resisting material provided between the first acoustic resisting material and an inner circumferential surface of the microphone case, having a predetermined elastic force in a thickness direction. The second acoustic resisting material covers the first acoustic resisting material, and is fixed to the acoustic tube; and presses the outer circumferential surface of the acoustic tube and the inner circumferential surface of the microphone case by the elastic force. | 03-14-2013 |
20130062479 | HOLDING DEVICE OF CYLINDRICAL BODY AND MICROPHONE HOLDER - A microphone holder is provided that allows a microphone to be attached and detached by a one-touch operation and to be securely held. A microphone grip G is pressed into between clamp arms | 03-14-2013 |
20130061430 | HOLDING DEVICE OF CYLINDRICAL BODY AND MICROPHONE HOLDER - A microphone holder is provided that allows a microphone to be attached and detached by a one-touch operation and to be securely held. A first and a second magnet | 03-14-2013 |
20130043090 | DIAPHRAGM OF ELECTRIC SOUND CONVERTER AND ITS MANUFACTURING METHOD - In a diaphragm of an electric sound converter which converts vibration such as sound into an electrical signal, a center dome is reinforced while suppressing variations in the sensitivity and frequency response to the minimum, whereby reduction in a high-pass reproduction limit is suppressed, and occurrence of anomalous resonance is prevented. In a diaphragm | 02-21-2013 |
20130034256 | NARROW DIRECTIONAL MICROPHONE - In a narrow directional microphone in which a front end opening of an acoustic tube is covered with a film mainly for reducing wind noise, degradation in directional frequency response is reduced. In a narrow directional microphone where a rear end | 02-07-2013 |
20120269366 | RIBBON MICROPHONE - To suppress the transverse displacement of a ribbon due to an impact to a level smaller than that achieved by electromagnetic damping. The switch | 10-25-2012 |
20120263334 | GOOSENECK CONDENSER MICROPHONE - Provided is an integrated gooseneck condenser microphone including a microphone unit and an output module which are connected to each other. The gooseneck condenser microphone can improve the connection strength of a microphone housing and prevent the generation of noise due to disturbance electromagnetic waves. The gooseneck condenser microphone includes a connection member | 10-18-2012 |
20120263333 | NARROW-ANGLE DIRECTIONAL MICROPHONE - Provided is a narrow-angle directional microphone in which a microphone unit is attached to an acoustic tube, the acoustic tube is accommodated a microphone case and which prevents the rattling of components provided in the microphone case and has high mechanical strength. A narrow-angle directional microphone | 10-18-2012 |
20120263332 | CONDENSER MICROPHONE UNIT AND CONDENSER MICROPHONE - To stably obtain high acoustic resistance required for pressure equalization in a non-directional condenser microphone unit. | 10-18-2012 |
20120259629 | NOISE REDUCTION COMMUNICATION DEVICE - To provide a noise reduction transmitter which can secure clarity of sounds collected in very noisy environments and maintain a quality of sounds without devising a noise insulation cover particularly. | 10-11-2012 |
20120213390 | CONDENSER MICROPHONE - To provide a condenser microphone having a removable head unit on the microphone body, wherein the head unit can be attached and detached to and from the microphone body through one connection at a low impedance. A second pin | 08-23-2012 |
20120189749 | METHOD OF MOLDING COOKED RICE - A cooked rice molding method includes a first supplying step of spreading cooked rice in a plate form on rolling-up plates deployed horizontally, a second supplying step of placing a dried laver sheet and ingredients on the cooked rice, a first pressing step of folding a first rotating plate and a second rotating plate disposed on two sides of a base plate in a direction to erect at approximate right angles with respect to the base plate, and a second pressing step of folding the third rotating plate rotatably attached to the first rotating plate at a side opposite to the base plate, to a base plate side. Then, the method includes a repositioning step of deploying the rolling-up plates in the horizontal state, and rotating the cooked rice about 90 degrees on the rolling-up bamboo plate. Finally, the first pressing step is repeated again. | 07-26-2012 |
20120189145 | RIBBON MICROPHONE - To provide electromagnetic damping without a special output connector for protecting a diaphragm of metallic ribbon foil of a ribbon microphone against shocks. A ribbon microphone operable with a phantom power supply comprises: an acoustic-electric converter | 07-26-2012 |
20120099752 | Boundary microphone - A boundary microphone is provided to effectively reduce noises caused by external electromagnetic waves by providing electrostatic shielding, including on the portion of lead wires from a microphone unit to a circuit board. The boundary microphone has a base plate, a cover, a circuit board, and a microphone unit mounted in the opening with a metallic holder. A shield pattern for electrostatically shielding inside of the recess with the base plate is formed on the circuit board. The holder is configured to include a cylindrical section into which a rear end side of the microphone unit is fitted, and a D-cut section in which a part of a circumferential surface and a base surface of a cylinder with a base integral with the cylindrical section are cut away in parallel to a board surface of the circuit board, and the lead wire is routed within the D-cut section. | 04-26-2012 |
20120063629 | Microphone having flexible pipe - There is provided a microphone having a flexible pipe, which has a configuration capable of preventing both of the occurrence of noise caused by extraneous electromagnetic waves and the occurrence of noise caused by electric discharge when touched. In a unit holder | 03-15-2012 |
20120027239 | ELECTROACOUSTIC TRANSDUCER - An electroacoustic transducer includes a diaphragm, an electroacoustic transducer unit having the diaphragm, and an air chamber having the diaphragm of the electroacoustic transducer unit and having a variable volume in response to vibration of the diaphragm. The air chamber has a sound pressure detector detecting a sound pressure in the air chamber and a volume adjuster driven by the output signals from the sound pressure detector, changing the volume of the air chamber in response to the output signals, and controlling the acoustic impedance of the air chamber. A control system from the sound pressure detector to the volume adjuster configures a feedback control system increasing the volume of the air chamber with an increase in the sound pressure in the air chamber. | 02-02-2012 |
20120014542 | Narrow directional condenser microphone - There is provided a narrow directional condenser microphone having an acoustic tube, in which a condenser microphone unit having a large effective diaphragm area is arranged on the rear end portion side of the acoustic tube to achieve high sensitivity without an increase in the diameter of the acoustic tube. In a narrow directional condenser microphone in which a unidirectional condenser microphone unit configured by arranging a diaphragm and a backplate opposedly via a spacer is arranged on the rear end side of an acoustic tube | 01-19-2012 |
20120014532 | NOISE-CANCELING HEADPHONE - A noise-canceling headphone that cancels external noise with a feedforward system includes a driver unit disposed in a housing, a microphone unit that is outwardly disposed in the housing and collects the external noise, and canceling signal generator that generates a noise-canceling signal having a phase opposite to the noise entering through the headphone. The noise-canceling headphone includes an error detecting microphone unit that detects error noise uncanceled by the feedforward system, and error noise-canceling signal generator that generates an error correction signal to cancel the error noise with a feedback system. | 01-19-2012 |
20120009819 | Condenser microphone and its output connector - In an output connector for a condenser microphone, which has a printed wiring board mounted with a capacitor element for preventing intrusion of high-frequency waves and a Zener diode element for preventing circuit destruction due to static electricity, the generation of noise caused by the Zener diode element is reduced. In the output connector configured such that on a connector base | 01-12-2012 |
20120002832 | Dynamic microphone - There is provided a dynamic microphone in which vibration noise generated by the rolling of a microphone unit caused by a vibration component perpendicular to the principal axis direction of the microphone is reduced effectively. In the dynamic microphone including a microphone unit | 01-05-2012 |
20110293127 | Unidirectional condenser microphone unit - There is provided a unidirectional condenser microphone unit in which reliable electromagnetic shieldability is provided for a rear acoustic terminal of a unit casing, an acousto-electric converter can be fixed in the unit casing by applying a proper stress, and the eccentricity among the constituent elements of the acousto-electric converter in the unit casing is made as small as possible. In the unidirectional condenser microphone unit in which a shield member | 12-01-2011 |
20110293116 | BATTERY COMPARTMENT FOR CONDENSER MICROPHONE - A battery compartment for a condenser microphone includes a battery space configured to hold a battery; a battery outlet open to a portion of a peripheral wall of the battery space and allowing removal of the battery in the battery space; a lid covering the battery outlet; and a ribbon having one end portion fixed to an internal wall of the battery space and the other end portion disposed to be pulled out from the battery outlet and wrapping around an external periphery of the battery. The ribbon is conductive and the fixed end portion is grounded. | 12-01-2011 |
20110293114 | Condenser microphone unit and method of manufacturing diaphragm assembly of condenser microphone - This invention provides a condenser microphone unit having a diaphragm assembly in which a diaphragm does not attach to a fixed electrode even if a polarization voltage is increased. A condenser microphone unit is provided having a diaphragm assembly | 12-01-2011 |
20110286607 | NOISE CANCELING HEADPHONE - Noise canceling headphones designed so that external noise coming from all directions can be effectively concerned by means of a canceling sound before being heard by a user. These feed-forward noise canceling headphones use noise canceling headphones ( | 11-24-2011 |
20110280418 | ELECTRET CONDENSER MICROPHONE - An electret condenser microphone includes a microphone capsule having a diaphragm, a fixed electrode and an extraction electrode. The extraction electrode includes a closed-bottomed cylinder composed of a conductive material. The fixed electrode has holes extending from an air chamber between the diaphragm and the fixed electrode to an air chamber within the extraction electrode, and is fixed to a shoulder of the extraction electrode to form the air chamber that serves as acoustic capacitor within the extraction electrode. | 11-17-2011 |
20110235830 | Condenser microphone and output connector therefor - There is provided an output connector for a condenser microphone which has a function of shielding electromagnetic waves more reliably. In an output connector | 09-29-2011 |
20110235821 | Variable directional microphone - There is provided a variable directional microphone including dynamic microphone units that is small in size and has good directional frequency response. In a variable directional microphone | 09-29-2011 |
20110222718 | Narrow directional microphone - There is provided a narrow directional microphone in which the acoustic resistance of an acoustic tube scarcely varies, and a larger-diameter condenser microphone unit can be used without increasing the external dimensions. In the narrow directional microphone in which a unidirectional condenser microphone unit | 09-15-2011 |
20110206221 | Condenser microphone having a flexible neck - In an integral type condenser microphone having a flexible pipe, noise is prevented from being generated even if a cellular phone that radiates strong electromagnetic waves is used at close range. In the gooseneck condenser microphone configured so that a microphone body M in which a microphone unit | 08-25-2011 |
20110200221 | Narrow directional microphone - There is provided a narrow directional microphone in which a microphone unit can surely be positioned coaxially in an acoustic tube, and satisfactory electrostatic shielding can be attained. In the narrow directional microphone including an acoustic tube | 08-18-2011 |
20110188680 | RIBBON MICROPHONE - A ribbon microphone includes two magnets spaced in parallel and generating a magnetic field therebetween, two ribbon diaphragms arranged in parallel at a predetermined distance in the magnetic field, and a step-up transformer raising the voltages of electric signals generated in response to vibrations of the ribbon diaphragms in the magnetic field and outputs the raised electric signals. The step-up transformer includes two primary windings and two secondary windings corresponding to the two ribbon diaphragms, one of the two ribbon diaphragms and one of the two primary windings of the step-up transformer are connected in parallel whereas the others are connected in parallel, and the two secondary windings of the step-up transformer are connected in series so as to have opposite polarities. The ribbon microphone exhibits enhanced shielding effect without shielding a step-up transformer and does not generate noise caused by electromagnetic induction. | 08-04-2011 |
20110158458 | Electroacoustic transducer - In an electroacoustic transducer, abnormal resonance caused by end reflected waves in the bonding portion of a diaphragm and a unit frame is prevented. The electroacoustic transducer includes the diaphragm having a center dome and a sub dome, and a unit frame | 06-30-2011 |
20110142264 | Condenser microphone and method for manufacturing the same - There is provided a gooseneck condenser microphone that is further strengthened the shield structure of a support pipe and is less prone to causing a trouble. This condenser microphone has a support pipe | 06-16-2011 |
20110116660 | Condenser microphone - There is provided a condenser microphone in which even if strong electromagnetic waves are applied from a cellular phone or the like, the balance between a filter circuit for a No. 2 pin on the hot side and a filter circuit for a No. 3 pin on the cold side is maintained. The condenser microphone includes a printed wiring board | 05-19-2011 |
20110048249 | Apparatus for molding cooked rice - There is provided a cooked rice molding apparatus which enables a rice mat to be easily moved and the rice mat to be stored. A rice mat formed into a plate shape by a forming section | 03-03-2011 |
20110013801 | Condenser microphone and method for fixing microphone cable - There is provided a condenser microphone of a type such that a microphone cable is directly drawn into a microphone casing, in which the electromagnetic shieldability of a microphone cable draw-in portion can be enhanced, and the microphone cable can be fixed easily. In a condenser microphone in which a microphone cable | 01-20-2011 |
20110013800 | Condenser microphone - In a condenser microphone having a battery holder and a battery cover therefor, one part is used as a member for grounding the battery cover and as a member for preventing the battery cover from coming off. In a condenser microphone | 01-20-2011 |
20110007925 | Condenser microphone - There is provided a condenser microphone in which electromagnetic shielding in the connecting part of a microphone capsule and a microphone main body is made more reliable. In the condenser microphone including a microphone capsule | 01-13-2011 |
20110002475 | EARMUFF AND HEADPHONE - An earmuff and a headphone includes: a headband; an ear cup attached to the headband; a baffle board fixed on the ear cup; an ear pad engaged to the baffle board. An air-permeable member provided between the baffle board and the ear pad. | 01-06-2011 |
20100316243 | Condenser microphone unit - There is provided a condenser microphone unit incorporating a FET (impedance converter) in a unit case, in which the electromagnetic shield on the rear surface side of the unit case is assured, sound waves do not leak, and a steady internal stress is applied to incorporated parts almost uniformly. In a condenser microphone unit | 12-16-2010 |
20100246876 | Boundary microphone - There is provided a boundary microphone in which a microphone cover can be fixed to a base part without the use of an externally threaded screw for fixation. In the boundary microphone in which a condenser microphone unit | 09-30-2010 |
20100221401 | Apparatus for molding cooked rice and method for controlling the same - Provided is a food molding apparatus which performs all steps from forming to conveyance and storage in one housing and which is small in size and inexpensive. A conveyance section | 09-02-2010 |
20100189301 | Condenser microphone unit - There is provided a condenser microphone unit in which the shield of a shielding member that covers a front acoustic terminal from the inside of a unit case is assured to prevent noise caused by electromagnetic waves radiated especially from a cellular phone from being generated. In a condenser microphone unit including a metallic cylindrical unit case | 07-29-2010 |
20100189298 | Unidirectional condenser microphone unit - There is provided a unidirectional condenser microphone unit in which the shield performance of a rear acoustic terminal is assured by simple assembling work without an increase in cost. In a unidirectional condenser microphone unit in which an electrostatic acousto-electric converter is incorporated in a cylindrical, metallic unit case having a front acoustic terminal on the front surface thereof and a rear acoustic terminal on the side surface thereof, and a shielding member | 07-29-2010 |
20100189286 | AUDIO CONFERENCE SYSTEM - An audio conference system including a controller, a plurality of microphones, and an antenna that makes the controller and the microphones communicate via radio communication, in which the controller includes: an utterance permitting unit that, in response to utterance request instruction information received from any of the microphones, transmits utterance permission instruction information to the microphone; and an utterance inhibiting unit that, in response to utterance inhibition request instruction information received from any of the microphones, transmits utterance inhibition instruction information to the other microphones, and the microphones each include: an utterance requesting unit that transmits utterance request instruction information to the controller and transmits, to the controller, a speech signal input after receiving the utterance permission instruction information from the controller; and an utterance stopping unit that stops transmission of the speech signal to the controller upon receiving the utterance inhibition instruction information from the controller. According to the audio conference system, an audio conference system which allows the chair of a conference to collectively inhibit all utterances of the other participants can be obtained. | 07-29-2010 |
20100183317 | INFRARED TRANSMITTER - An infrared transmitter transmits a signal via an infrared ray. The infrared transmitter includes: a signal converter for converting the signal into an infrared signal; an oscillator for oscillating a carrier frequency of the infrared signal; a controller for adjusting a cutoff frequency of a filter according to the carrier frequency; and the filter provided between the oscillator and the signal converter to reduce a spurious signal of a carrier wave. The cutoff frequency of the filter is adjusted by the controller. | 07-22-2010 |
20100172519 | BONE-CONDUCTION MICROPHONE BUILT-IN HEADSET - A bone-conduction microphone built-in headset comprises: an ear pad; an ear cup capable of covering an ear; a piezoelectric element composing a bone-conduction microphone; a buffer material forming the ear pad; a baffle board provided between the ear pad and the ear cup; a wire laid from the piezoelectric element, in which the ear pad is provided on an opening end side of the ear cup, the piezoelectric element is provided inside the ear pad and supported by the buffer material to be pressed against a skin around the ear, the ear pad is detachably attached to the baffle board, and the baffle board has a connecter to which the wire is connected. | 07-08-2010 |
20100172515 | FILTER CIRCUIT - A filter circuit includes: an input terminal; a first resistance; a second resistance; a capacitor; and an output terminal, in which the first resistance, the second resistance, and the capacitor are connected in series in this order between the input terminal and a ground point, the output terminal is provided at a connection point of the first resistance and the second resistance, and a frequency domain is used that is higher than a maximum phase delay frequency higher than a cutoff frequency, the cutoff frequency being determined by a combined resistance value of the first and the second resistances and a capacitance value of the capacitor, so that when a frequency of an input signal becomes higher, a phase delay of an output signal relative to the input signal is reduced. | 07-08-2010 |
20100142721 | CONFERENCE AUDIO SYSTEM - Even in a conference audio system having an automatic mute release device, it is possible to reduce a delay time from an utterance to output from a speaker. The system includes: an A/D converter ( | 06-10-2010 |
20100129485 | Apparatus for molding cooked rice - Provided is a cooked rice molding apparatus which ensures that a formed cooked rice product falls while keeping almost the same posture without inclining. Part of a concave molding surface | 05-27-2010 |
20100098282 | VARIABLE DIRECTIONAL MICROPHONE UNIT AND VARIABLE DIRECTIONAL MICROPHONE - A variable directional microphone unit includes two capacitor elements. Each of the two capacitor elements has: a back plate formed on one side of an insulating plate to be insulated from a back plate of the other capacitor element; and a vibrating plate disposed to face the back plate with a certain amount of space therebetween, in which a polarization voltage is applied between each of the back plates and the vibrating plates so that an electroacoustically transduced signal is obtainable from each of the back plates. The variable directional microphone unit is characterized in that the two vibrating plates of the two capacitor elements are acoustically connected in series as a plurality of holes are formed on both of the back plates. | 04-22-2010 |
20100083470 | MICROPHONE HOLDER - A microphone holder includes a rotational shaft capable of fitting into a clamping unit of a holder base through pushing and opening tip ends of bent arms of the clamping unit. The rotational shaft of the microphone holder has, at an outer periphery of the rotational shaft, a plurality of smooth concave portions at different angular positions. The rotational shaft is stably fit into the clamping unit as convex portions of the clamping unit fit into the concave portions of the rotational shaft. An angle of the microphone holder can be adjusted through smooth rotation of the microphone holder accompanied by sliding between the convex portions of the holding unit and the concave portions of the rotational shaft. Thus, noise generated upon the adjusting can be substantially reduced. A user can easily adjust the direction of the microphone only through the rotation of the microphone holder. | 04-08-2010 |
20100047409 | Apparatus and method for molding cooked rice - There is provided a cooked rice molding apparatus capable of efficiently making back rolled sushi in which sushi rice is arranged so as to be directed to the surface side. When both ends of a rolling-up bamboo plate | 02-25-2010 |
20100046769 | NOISE-CANCELING SYSTEM - The noise canceling system includes: a microphone unit picking up ambient noise and outputting a noise signal; a cancel signal generator generating and outputting a cancel signal eliminating the noise, and having a filter circuit outputting a signal in a predetermined frequency band included in the noise signal, an inverting amplifier circuit inverting and amplifying the output signal of the filter circuit, an amplification degree being greater than zero and smaller than one, and an adding circuit outputting a signal obtained by adding the output signal of the inverting amplifier circuit to the noise signal; and a speaker unit outputting an audio signal and the cancel signal. | 02-25-2010 |
20100034414 | Headphone - There is provided a headphones capable of giving an optimum mounting feeling to the head of everybody by merely being mounted and without special adjustment, and also capable of being mounted for many hours without giving stress to the user. A headphone cabinet | 02-11-2010 |
20090296963 | Diaphragm for condenser microphone, method for manufacturing the same, and condenser microphone - The adsorption stability with respect to a fixed pole is increased while the low frequency response of a diaphragm is improved especially in an electret condenser microphone. In a diaphragm | 12-03-2009 |
20090285408 | NOISE-CANCELLING HEADPHONE - A noise-cancelling headphone includes a cancel signal generator that receives ambient noise via an electro-acoustic transducer and generates and outputs a cancel signal eliminating the noise and a speaker unit that outputs an audio signal and a cancel signal, and connects the cancel signal generator to a first terminal of two input terminals of the speaker unit and connects a sound source of an audio signal to a second terminal thereof, whereby obtaining the noise-cancelling headphone with which one can enjoy music with high quality without the change in the sound quality and volume between when a noise-cancelling function is activated and when deactivated. | 11-19-2009 |
20090262968 | Electrical connector and method for manufacturing the same and condenser microphone - There is provided an electrical connector especially suitable for a condenser microphone, which connector is, though being small in size, provided with an electromagnetic wave shielding unit that is capable of easily being installed in the connector and is equivalent to an EMI core. The electrical connector includes a cylindrical connector housing | 10-22-2009 |
20090238392 | Dynamic microphone - Even in the case where the volume of a back air chamber is small, sounds with a low frequency (low range) can be captured by equivalently decreasing the acoustic impedance of the back air chamber. A dynamic microphone includes a microphone unit | 09-24-2009 |
20090232339 | DIGITAL MICROPHONE - A digital microphone comprises a ΔΣ modulator. The ΔΣ modulator has a resonator including a membrane which vibrates by receiving a sound wave and a wiring pattern disposed opposite to the membrane, an oscillator, including the resonator, for outputting an FM signal according to the vibration of the membrane, and a one-bit quantizer for outputting a one-bit quantized signal by sampling the FM signal with a high-frequency clock. | 09-17-2009 |
20090232335 | CONDENSER MICROPHONE - A condenser microphone comprising: a mic capsule in which a capacitor is composed of a diaphragm and a counter electrode, and which effects electroacoustic conversion; a FET for impedance-converting audio signals output from the mic capsule; and a CR circuit composed of a resistor and a capacitor, and connected to the FET to adjust a signal level in a low frequency range, and in the condenser microphone, an output terminal may be drawn out from a drain of the FET; and the CR circuit may be connected in between a source of the FET and the ground, furthermore, in the condenser microphone, there may be provided a changeover switch for switching a mode in which the CR circuit is connected in between the source of the FET and the ground into another mode in which the CR circuit is short-circuited to connect the source of the FET to the ground. | 09-17-2009 |
20090208038 | RIBBON FOR RIBBON MICROPHONE, MANUFACTURING METHOD OF THE SAME, AND RIBBON MICROPHONE - A ribbon for a ribbon microphone having a magnet forming a magnetic gap, the ribbon which is arranged in the magnetic gap and is vibrated by a sound wave, an electrode for outputting an electric signal which is generated when the ribbon vibrates in the magnetic gap, and a frame for holding the magnet and the electrode; the ribbon has patterns of a large waveform which are formed so as to progress in a longitudinal direction of the ribbon and are formed so that ridge lines face a direction which perpendicularly crosses the longitudinal direction of the ribbon, and small patterns which are smaller than the patterns of the waveform and are formed along the longitudinal direction of the ribbon. | 08-20-2009 |
20090154753 | Dynamic microphone - There is provided a dynamic microphone in which the output impedance does not increase and also the failure rate does not increase though using a microphone unit and a vibration detecting unit to reduce handling noise. In the dynamic microphone including a microphone unit | 06-18-2009 |
20090141914 | RIBBON MICROPHONE AND RIBBON MICROPHONE UNIT - A ribbon microphone unit includes: an electrode lead portion for conducting an electric signal which a ribbon diaphragm generates cooperating with a magnet; a tightening member for securing the ribbon diaphragm; and a screw for crimping the tightening member, wherein the tightening member is crimped via the ribbon diaphragm and the electrode lead portion by the screw, and wherein the ribbon diaphragm includes a portion sandwiched by the tightening member, and the portion is formed in an irregular shape in the thickness direction. | 06-04-2009 |
20090097686 | BOUNDARY MICROPHONE - A boundary microphone, comprising: a base made of a metal; a cover made of a metal having a plurality of holes for introducing sound waves; and internal components including a microphone unit that is disposed in an internal space enclosed by the base and the cover; a first metallic part disposed on one side of the upper and lower sides of the internal components; and a second metallic part, which is disposed on other side of the upper and lower sides of the internal components and which encloses the internal components along with the first metallic part from all directions, are provided, wherein the base, the cover, the first metallic part, and the second metallic part are alternately overlapped at their peripheral portions, and wherein at least one of the first metallic part and the second metallic part is made of a metallic mesh. | 04-16-2009 |
20090067660 | Microphone mounter - There is provided, at a low cost, a microphone mounter that does not float up or move following the movement of a microphone. A sleeve | 03-12-2009 |
20080279408 | Microphone - In a gooseneck microphone in which a support pipe is capable of extending and contracting, and accordingly a microphone cord extension/contraction part is provided in an output module section, the microphone cord soldered part on a circuit board is prevented from being rubbed by the microphone cord extension/contraction part. The gooseneck microphone includes the support pipe that includes a telescopic pipe and supports a condenser microphone unit on the upper end side thereof, the output module section | 11-13-2008 |
20080232629 | Boundary microphone - In a boundary microphone, a high-frequency current caused by extraneous electromagnetic waves is prevented from flowing into a microphone case via a microphone cord that is drawn into the microphone case. A portion in which the microphone cord | 09-25-2008 |
20080212792 | MICROPHONE APPARATUS - A microphone apparatus is obtained capable of preventing howling effectively, while having no time difference between a timing of voice utterance to a microphone and a timing of sound emission from a speaker and having simple and low-cost physical and electrical configurations. There are provided microphone units or microphones disposed at locations with the same acoustic conditions, and switching units disposed corresponding to the microphone units or microphones, respectively, for switching sequentially an audio signal transformed in each of the microphone units or microphones to generate an output signal. The switching units may switch sequentially the audio signal transformed in the microphone unit or microphone at an shorter time interval than a time period from a time point the microphone unit or microphone is turned on to a time point an output thereof grows to reach a maximum level by howling. | 09-04-2008 |
20080209745 | LASER MARKER - To obtain a laser marker capable of effectively reducing an impact force applied to essential components of the laser marker including a gimbal mechanism, a light source unit holder, and a light source unit when the laser marker falls, and in particular, capable of reducing damage to the gimbal mechanism, a main body case including a gimbal mechanism, a light source unit holder suspended swingably by the gimbal mechanism, light source units attached to the light source unit holder and outputting a projection line beam, a base supporting the main body case, and a plurality of legs provided at the bottom of the base and supporting the base are provided, and the base and each leg are coupled via an elastic body that bends when an impact in the vertical direction is applied. | 09-04-2008 |
20080207057 | MICROPHONE CONNECTOR AND METHOD OF SHIELDING THE SAME - A microphone connector and a method of shielding the same, the microphone connector including a crimping sleeve that covers component members inside a connector portion, the microphone connector being capable of connecting the crimping sleeve and a connector housing electrically. The microphone connector includes a crimping sleeve having a small-diameter cylindrical part and a large-diameter cylindrical part. A microphone cable has a fold-back part folded back so that a shield outer jacket covers an insulating coating. The small-diameter cylindrical part of the crimping sleeve is fitted around an outer side of the fold-back part of the shield outer jacket and is compressed to be coupled with the microphone cable. The large-diameter cylindrical part of the crimping sleeve is put on a connection portion between the cable side connector and the microphone cable. The large-diameter cylindrical part of the crimping sleeve and a connector housing engage each other via a sleeve. | 08-28-2008 |
20080206389 | Cooked rice mold apparatus - Provided is a cooked rice mold apparatus that can easily adjust the supply amount of sushi rice. The roller spacing of a top rolling roller pair | 08-28-2008 |
20080202353 | Cooked rice mold apparatus - Provided is a cooked rice mold apparatus that can mold rolled sushi having a stable shape and has good maintainability. Cam members | 08-28-2008 |