Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |