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Kabushiki Kaisha Audio technica patents


Recent patent applications related to Kabushiki Kaisha Audio technica. Kabushiki Kaisha Audio technica is listed as an Agent/Assignee. Note: Kabushiki Kaisha Audio technica may have other listings under different names/spellings. We're not affiliated with Kabushiki Kaisha Audio technica, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kabushiki Kaisha Audio technica-related inventors


Unidirectional dynamic microphone unit

In a unidirectional dynamic microphone unit, a cylindrical tube is provided to cover the microphone unit, a cylindrical wall of a first cylindrical portion that is included in the cylindrical tube and extends to at least the rearward is provided with a rear sound wave introducing portion weighted such that... Kabushiki Kaisha Audio technica

Electroacoustic transducer and acoustic resistor

An electroacoustic transducer includes a driver, a diaphragm 13 driven to vibrate by the driver and emitting sound, a baffle 22 holding the driver and the diaphragm 13, first openings 25 extending through the baffle 22, an acoustic resistor 23 disposed on the back side of the baffle 22, and... Kabushiki Kaisha Audio technica

Unidirectional microphone

To obtain a unidirectional microphone with high sound quality, which achieves unidirectivity while preventing deterioration in sound quality of a ribbon microphone. A unidirectional condenser microphone and bi-directional ribbon microphones are included, and the unidirectional condenser microphone and the bi-directional ribbon microphones are disposed such that a 0° direction of... Kabushiki Kaisha Audio technica

Impedance converter and condenser microphone

In an impedance converter using an electron tube as an active element, output impedance can be made sufficiently low, and the number of circuit elements therefor is decreased and a circuit configuration therefor is made simple. Provided is an impedance converter having an electron tube cathode-follower connected. The impedance converter... Kabushiki Kaisha Audio technica

Acoustic tube and narrow directional microphone using the same

To prevent penetration of water into a microphone unit side even if the rain falls on a cylindrical acoustic tube in a narrow directional microphone using the acoustic tube. The narrow directional microphone includes a cylindrical acoustic tube base portion, the acoustic tube base portion includes at least one slit-like... Kabushiki Kaisha Audio technica

Dynamic microphone

A dynamic microphone that enables taking a long propagation path of a sound wave on a back side of a diaphragm, and by which unidirectivity can be obtained even at a low frequency. The dynamic microphone includes: a dynamic microphone unit; and an air chamber provided on a back side... Kabushiki Kaisha Audio technica

Condenser microphone

A condenser microphone includes a first grounded-plate electron tube having a plate to which a dc power is supplied, and a cathode provided with an output terminal, a self-biasing circuit that is connected to the cathode of the first electron tube and that generates a grid bias voltage of the... Kabushiki Kaisha Audio technica

Condenser microphone unit and condenser microphone

A condenser microphone unit that has a capacitor element with a large effective area and a high signal-noise ratio but does not have frequency-dependence occurring with sound waves beyond the audio frequency range. A solid cylindrical fixed electrode pole is used as a fixed electrode. A diaphragm includes a rectangular... Kabushiki Kaisha Audio technica

Condenser microphone unit and condenser microphone

Provided is a condenser microphone unit that prevents eccentricity as much as possible and achieves improvement of assembly accuracy. A condenser microphone unit including a diaphragm that vibrates upon receiving a sound wave and made by a plurality of configuration components that are assembled, the condenser microphone unit includes a... Kabushiki Kaisha Audio technica

Narrow directional microphone

A narrow directional microphone includes a unit case having a front end portion to which a microphone unit is mounted, and a side surface functioning as a grip, an acoustic tube formed of resin material in a tubular shape, covering the microphone unit, and attached to the front end portion... Kabushiki Kaisha Audio technica

Narrow-angle directional microphone

A narrow-angle directional microphone includes: a microphone case; an acoustic tube fit in the microphone case with a gap between the acoustic tube and the microphone case; a microphone element arranged at one end side of the acoustic tube with a clearance that allows a front acoustic terminal and a... Kabushiki Kaisha Audio technica

Boundary microphone

There is provided a boundary microphone inside which a unidirectional microphone unit is contained, the microphone including: a base plate; and a cover plate attached onto an upper face side thereof, wherein a thin and long tubular groove acting as an acoustic tube for making unidirectivity of the microphone unit... Kabushiki Kaisha Audio technica

Condenser microphone unit, condenser microphone, and manufacturing condenser microphone

A condenser microphone is provided that can ensure the fixation of an electroacoustic transducer inside a unit case and the grounding of the electroacoustic transducer, regardless of variations in manufacture of the unit case and a circuit board. A condenser microphone unit includes an electroacoustic transducer and a unit case... Kabushiki Kaisha Audio technica

Microphone

To enable light to be easily visually recognized, the light indicating an operation state. A tubular microphone case, a light source that is accommodated in a position close to a first end of the microphone case and emits light in a direction of the first end, a light source mounting... Kabushiki Kaisha Audio technica

Microphone

A tubular microphone case having conductivity, a circuit board on which a circuit is configured, the circuit being used for an operation of a microphone unit that converts an audio signal into an electrical signal, a light source that is accommodated in a position close to a first end of... Kabushiki Kaisha Audio technica

Wireless receiver

A wireless receiver, which receives a radio wave (RF) signal from a wireless microphone, demodulates an audio signal, and displays an RF reception state proportional to strength of a received signal on an indicator, includes a first frequency conversion(FC) unit generating a first IF signal based on the received RF... Kabushiki Kaisha Audio technica

Wireless receiver

A wireless receiver includes an RF muting circuit that opens and closes a signal line of a demodulated signal according to a received carrier strength level, a noise muting circuit that opens and closes the signal line according to a noise level in the modulated signal, and an RF attenuation... Kabushiki Kaisha Audio technica

Wireless receiver

A wireless receiver includes an RSSI generation circuit that obtains RSSI output corresponding to a carrier strength level of a received RF signal; a lookup table from which a threshold value corresponding to temperature information from a temperature sensor is read based on the temperature information; a comparison circuit that... Kabushiki Kaisha Audio technica

Wireless receiver

The receiver includes a plurality of receiving circuits respectively corresponding to the plurality of antennas outputs a received signal strength as a detection voltage received by each of the antennas, an indicator that displays the received signal strength by the number of lighting segments, a lookup table in which a... Kabushiki Kaisha Audio technica

Unidirectional microphone unit

In a unidirectional microphone unit, stable frequency characteristics can be obtained, and manufacturing cost is reduced while preventing increasing of an external size. A microphone cap that covers a microphone element is included, and the microphone cap includes a porous ring member arranged in the front of the microphone element... Kabushiki Kaisha Audio technica

Impedance conversion circuit of condenser microphone

Provided is an impedance conversion circuit of a condenser microphone which includes a first electron tube operated in grounded-cathode mode to whose grid an output signal from a condenser microphone unit is inputted, and from whose plate a signal is outputted, a first emitter-follower circuit configured to receive a signal... Kabushiki Kaisha Audio technica

Unidirectional condenser microphone unit, unidirectional condenser microphone, and manufacturing unidirectional condenser microphone unit

A unidirectional condenser microphone unit is provided that have directionality unaffected by the external environment, and a method of manufacturing the unidirectional condenser microphone. The unidirectional condenser microphone unit having an interior and an exterior, the unidirectional condenser microphone includes a diaphragm, a fixed electrode facing the diaphragm, the fixed... Kabushiki Kaisha Audio technica

Microphone and housing of microphone

A microphone includes a microphone unit configured to convert a sound wave into an electrical signal. A cylindrical housing accommodates the microphone unit, and includes a a first opening portion that transmits the sound wave to the microphone unit. A sheet member having an air-permeable property and a water-repellent property... Kabushiki Kaisha Audio technica

Holder attachment for drum

A holder attachment for a drum secures a component to a drum, adds no excess load on the rim of the drum, and reduces effects on the tension applied to the drum head. The holder attachment for the drum includes a holding part configured to hold a component to be... Kabushiki Kaisha Audio technica

Audio output circuit of condenser microphone

An audio output circuit of a condenser microphone includes a condenser microphone unit, first and second impedance conversion circuits that receive a positive phase output signal and a reverse phase output signal from the condenser microphone unit, first and second output circuits that output an audio signal from the condenser... Kabushiki Kaisha Audio technica

Microphone device

A microphone device includes a microphone unit that outputs an electrical signal upon receipt of a sound wave, a microphone case that supports the microphone unit in its inside with cushioning members formed of an elastic material (rubber material), and a microphone cable that supplies the electrical signal from the... Kabushiki Kaisha Audio technica

Noise-cancelling headphone

A noise-cancelling headphone is provided that avoids an influence of the wind and prevents degradation in the sound quality of the reproduced sound output from a driver unit. The noise-cancelling headphone includes an ear piece including a housing unit having an interior and an exterior, a driver unit attached to... Kabushiki Kaisha Audio technica

Microphone and microphone apparatus

A microphone includes: first and second bi-directional microphone units having respective directional axes arranged on two straight lines passing through one point and radially extending with an interval of 120 degrees; a third bi-directional microphone unit having a directional axis arranged on a straight line perpendicular to a plane formed... Kabushiki Kaisha Audio technica

Noise-cancelling headphone

A noise-cancelling headphone is provided that prevents degradation in the sound quality of the sound output from the driver unit caused by the sounds leaking through the vent hole for adjusting the sound quality. The noise-cancelling headphone includes a housing unit having an interior and an exterior, a driver unit... Kabushiki Kaisha Audio technica

Microphone apparatus

A microphone apparatus includes a microphone including first and second bi-directional microphone units having respective directional axes arranged on two straight lines passing through one point and radially extending with an interval of 120 degrees in a circumferential direction, and an omnidirectional microphone unit arranged in sound collection regions of... Kabushiki Kaisha Audio technica








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