Patents Assigned to Taiwan Carol Electronics Co., Ltd.
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Patent number: 11443723Abstract: A musical instrument holder clip includes a first holding unit and a second holding unit. The first holding unit includes a main body and a clamping member that extends movably into the main body, and is operable to generate a clamping force adapted for clamping a microphone between the main body and the clamping member. The second holding unit includes a first holding member adapted for abutting against an outer surface of a bell wall of a wind instrument, and a second holding member adapted for abutting against an inner surface of the bell wall of the wind instrument. The first holding member and the second holding member cooperatively define a holding space adapted for receiving the bell wall of the wind instrument therebetween.Type: GrantFiled: July 28, 2021Date of Patent: September 13, 2022Assignee: TAIWAN CAROL ELECTRONICS CO., LTDInventor: Chao-Chih Chang
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Publication number: 20220130354Abstract: A musical instrument holder clip includes a first holding unit and a second holding unit. The first holding unit includes a main body and a clamping member that extends movably into the main body, and is operable to generate a clamping force adapted for clamping a microphone between the main body and the clamping member. The second holding unit includes a first holding member adapted for abutting against an outer surface of a bell wall of a wind instrument, and a second holding member adapted for abutting against an inner surface of the bell wall of the wind instrument. The first holding member and the second holding member cooperatively define a holding space adapted for receiving the bell wall of the wind instrument therebetween.Type: ApplicationFiled: July 28, 2021Publication date: April 28, 2022Applicant: TAIWAN CAROL ELECTRONICS CO.,LTD.Inventor: Chao-Chih CHANG
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Patent number: 10924845Abstract: A microphone includes an outer casing, a carrier disposed in the outer casing, and a sound receiving module connected to the carrier. The carrier has a through hole opposite to the sound receiving module. An airtight unit includes a shock absorber and an airtight member cooperating with the outer casing and the carrier to define an airtight back chamber configured to generate a pneumatic wave when a mechanical vibration wave is transmitted to the outer casing. A damping material closes the through hole and is configured to change the phase of the pneumatic wave when the latter passes therethrough such that the pneumatic wave and the mechanical vibration wave can offset each other when they are transmitted to the sound receiving module.Type: GrantFiled: March 20, 2020Date of Patent: February 16, 2021Assignee: Taiwan Carol Electronics Co., LtdInventors: Tzu-Huan Peng, Chung-Chi Lai, Chao-Chih Chang
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Patent number: 9578422Abstract: A microphone includes a capsule module including a carrier, a primary transducer unit and a secondary transducer unit. The carrier includes a hollow part mounted to a handle unit, and first and second carrier parts extending oppositely from the hollow part. The primary transducer unit is mounted to the first carrier part, and converts sound waves and vibration into a primary electrical signal a first secondary electrical signal, respectively. The secondary transducer unit is mounted to the second carrier part, and converts the vibration into a second secondary electrical signal for counteracting the first secondary electrical signal. The secondary transducer unit includes a diaphragm disposed within an airtight space.Type: GrantFiled: February 23, 2016Date of Patent: February 21, 2017Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Publication number: 20130223653Abstract: A wireless microphone system includes a receiver device, a wireless microphone device, a transmitting unit operable to transmit an identification code and a frequency matching signal, and a reading unit. The reading unit is operable to receive the identification code and the frequency matching signal, determine whether or not the identification code corresponds to the reading unit, and enable frequency matching between the receiver device and the wireless microphone device according to the frequency matching signal when the identification code is determined to correspond to the reading unit.Type: ApplicationFiled: December 4, 2012Publication date: August 29, 2013Applicant: TAIWAN CAROL ELECTRONICS CO., LTD.Inventor: TAIWAN CAROL ELECTRONICS CO., LTD.
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Patent number: 8375560Abstract: A method for manufacturing a condenser microphone includes forming a diaphragm module using microelectromechanical system (MEMS) techniques. The diaphragm module includes a diaphragm that is deformable by energy of sound waves, and a diaphragm spacer that extends from one side of the diaphragm and controls a tension of the diaphragm. The method further includes providing a backplate with vent holes, aligning the vent holes of the backplate with a central region of the diaphragm, and connecting the backplate to the diaphragm spacer to construct a transducer unit. The diaphragm spacer, the diaphragm and the backplate cooperate to form an air chamber in fluid communication with an environment external to the condenser microphone. The backplate and the diaphragm cooperate to form a condenser. The method further includes enclosing the transducer unit in a housing that includes a shell and a circuit board to form the condenser microphone.Type: GrantFiled: February 22, 2011Date of Patent: February 19, 2013Assignee: Taiwan Carol Electronics Co., Ltd.Inventors: Jean-Yih Tsai, Chung-Ching Lai, Chao-Chih Chang
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Publication number: 20120210560Abstract: A method for manufacturing a condenser microphone includes forming a diaphragm module using microelectromechanical system (MEMS) techniques. The diaphragm module includes a diaphragm that is deformable by energy of sound waves, and a diaphragm spacer that extends from one side of the diaphragm and controls a tension of the diaphragm. The method further includes providing a backplate with vent holes, aligning the vent holes of the backplate with a central region of the diaphragm, and connecting the backplate to the diaphragm spacer to construct a transducer unit. The diaphragm spacer, the diaphragm and the backplate cooperate to form an air chamber in fluid communication with an environment external to the condenser microphone. The backplate and the diaphragm cooperate to form a condenser. The method further includes enclosing the transducer unit in a housing that includes a shell and a circuit board to form the condenser microphone.Type: ApplicationFiled: February 22, 2011Publication date: August 23, 2012Applicant: TAIWAN CAROL ELECTRONICS CO., LTD.Inventors: Jean-Yih TSAI, Chung-Ching LAI, Chao-Chih CHANG
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Patent number: 7895925Abstract: A clamping device includes an elongated seat unit and a clamping lever unit which respectively have mated and mating jaw segments to clamp a to-be-clamped part of an instrument, grip and actuating segments confronting each other, and mount and fulcrum segments pivotally mounted such that, when the actuating segment is turned away from the grip segment, the mating and mated jaw segments are moved toward each other. A lengthwise extending beam is secured to the elongated seat unit, and is spaced apart from the grip segment. A tubular member has an inner peripheral retained surface displaceably engaged with the beam, and an outer rim surface configured to force the actuating segment to permit the mating jaw segment to clamp the to-be-clamped part with an increased friction force when the tubular member is displaced towards the mount segment.Type: GrantFiled: October 2, 2008Date of Patent: March 1, 2011Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Publication number: 20100001154Abstract: A clamping device includes an elongated seat unit and a clamping lever unit which respectively have mated and mating jaw segments to clamp a to-be-clamped part of an instrument, grip and actuating segments confronting each other, and mount and fulcrum segments pivotally mounted such that, when the actuating segment is turned away from the grip segment, the mating and mated jaw segments are moved toward each other. A lengthwise extending beam is secured to the elongated seat unit, and is spaced apart from the grip segment. A tubular member has an inner peripheral retained surface displaceably engaged with the beam, and an outer rim surface configured to force the actuating segment to permit the mating jaw segment to clamp the to-be-clamped part with an increased friction force when the tubular member is displaced towards the mount segment.Type: ApplicationFiled: October 2, 2008Publication date: January 7, 2010Applicant: TAIWAN CAROL ELECTRONICS CO., LTD.Inventor: Chao-Chih Chang
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Patent number: 7469461Abstract: A method for making a diaphragm unit of a condenser microphone includes the steps of: forming a liftoff layer on a substrate; forming an insulator diaphragm film on the liftoff layer; and removing the liftoff layer from the diaphragm film and the substrate so as to separate the diaphragm film from the substrate.Type: GrantFiled: December 9, 2005Date of Patent: December 30, 2008Assignee: Taiwan Carol Electronics Co., Ltd.Inventors: Chao-Chih Chang, Ray-Hua Horng, Jean-Yih Tsai, Chung-Chin Lai, Ji-Liang Chen
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Publication number: 20080298609Abstract: A microphone includes first and second magnet units disposed in a head housing and spaced apart from each other in an axial direction of the head housing. The first and second magnet units generate respectively first and second magnetic fields. A response unit is mounted in the head housing, is disposed between the first and second magnet units in the axial direction, and includes a diaphragm, and a conductive wiring disposed at the diaphragm. When the diaphragm vibrates between the first and second magnet units in response to an external sound wave signal, an electrical signal corresponding to the sound wave signal is induced in the conductive wiring as a result of action of the first and second magnetic fields.Type: ApplicationFiled: June 1, 2007Publication date: December 4, 2008Applicant: TAIWAN CAROL ELECTRONICS CO., LTD.Inventor: Chao-Chih Chang
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Patent number: 7433478Abstract: A microphone pick-up device includes an air chamber unit disposed posteriorly of an annular cap body. A pick-up unit generates an acoustic signal in response to detected sound, and includes a yoke mounted in a front portion of the cap body, a voice coil disposed around a washer and a magnet within the yoke, a diaphragm for covering the yoke and connected to the voice coil, a sound regulating cloth attached to and disposed to surround the cap body, and a sound regulating paper disposed between a rear portion of the cap body and the air chamber unit and covering an air passage unit of the cap body. A signal filter is disposed between the rear portion of the cap body and the air chamber unit, is disposed posteriorly of the sound regulating paper, and is coupled to the voice coil for filtering noise in the acoustic signal.Type: GrantFiled: February 4, 2005Date of Patent: October 7, 2008Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Patent number: 7343661Abstract: A method for making condenser microphones includes: forming a fixed electrode layer structure of a plurality of fixed electrode units; forming a sacrificial layer of a plurality of sacrificial units on one side of the fixed electrode layer structure; forming a diaphragm layer structure of a plurality of diaphragm units on the sacrificial layer; forming a patterned mask layer on an opposite side of the fixed electrode layer structure opposite to the sacrificial layer; forming a plurality of etching channels, each of which extends through the patterned mask layer and the fixed electrode layer structure; removing a portion of the sacrificial layer of each of the sacrificial units so as to form a spacer between a respective one of the fixed electrode units and a respective one of the diaphragm units; and removing the patterned mask layer.Type: GrantFiled: April 24, 2006Date of Patent: March 18, 2008Assignee: Taiwan Carol Electronics Co., Ltd.Inventors: Ray-Hua Horng, Zong-Ying Lin, Jean-Yih Tsai, Chao-Chih Chang
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Patent number: 7224812Abstract: A condenser microphone includes a condenser housing defining an inner space therein, and a variable gap condenser enclosed in the condenser housing. The variable gap condenser includes an insulating substrate, a conductive fixed back plate mounted securely on the insulating substrate, a diaphragm unit movable relative to the back plate in a first transverse direction relative to the back plate, and a spacer unit interposed between and in contact with the back plate and the diaphragm unit so as to define a variable gap thereamong. The spacer unit defines at least an air passage that extends in a second transverse direction relative to the first transverse direction and that is in spatial communication with the inner space and the variable gap.Type: GrantFiled: January 13, 2004Date of Patent: May 29, 2007Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Patent number: 7203330Abstract: A switching unit for a microphone includes a slider-mounting member, a slider mounted slidably on the slider-mounting member and having an operating element, and a slider-positioning mechanism mounted on the slider-mounting member and defining an elongated slot for extension of the operating element therethrough. The slider-positioning mechanism includes a resistance-providing member and two retaining members. The operating element is in sliding contact with the resistance-providing member such that the resistance-providing member provides a resistance to the operating element when the slider is disposed at a non-retaining position. The operating element is retained releasably by one of the retaining members when the slider is moved to a retaining position.Type: GrantFiled: July 28, 2004Date of Patent: April 10, 2007Assignee: Taiwan Carol Electronics Co. Ltd.Inventor: Chao-Chih Chang
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Patent number: 7155024Abstract: A microphone includes a tubular housing extending along a longitudinal axis, a perforated cover mounted on a front open end of the housing and having a circular cross section along a plane transverse to the longitudinal axis, and a positioning ring sleeved on the perforated cover and having an outer peripheral surface that is formed alternately with a plurality of rolling sections and positioning sections. Each of the positioning sections has two opposite ends connected respectively to two adjacent ones of the rolling sections, and an intermediate part disposed between and indented relative to the opposite ends.Type: GrantFiled: December 13, 2004Date of Patent: December 26, 2006Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Publication number: 20060098834Abstract: A microphone pick-up device includes an air chamber unit disposed posteriorly of an annular cap body. A pick-up unit generates an acoustic signal in response to detected sound, and includes a yoke mounted in a front portion of the cap body, a voice coil disposed around a washer and a magnet within the yoke, a diaphragm for covering the yoke and connected to the voice coil, a sound regulating cloth attached to and disposed to surround the cap body, and a sound regulating paper disposed between a rear portion of the cap body and the air chamber unit and covering an air passage unit of the cap body. A signal filter is disposed between the rear portion of the cap body and the air chamber unit, is disposed posteriorly of the sound regulating paper, and is coupled to the voice coil for filtering noise in the acoustic signal.Type: ApplicationFiled: February 4, 2005Publication date: May 11, 2006Applicant: TAIWAN CAROL ELECTRONICS CO., LTD.Inventor: Chao-Chih Chang
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Patent number: 6928178Abstract: A condenser microphone includes a housing having a bottom wall that is formed with a recess which is defined by a recess-defining wall. A condenser is disposed in the housing, defines a variable gap chamber, and covers the recess. The condenser includes a back plate that is in the form of a metal plate which is formed with a plurality of through-holes and which cooperates with the recess-defining wall to define a closed air chamber in fluid communication with the gap chamber through the through-holes.Type: GrantFiled: December 17, 2002Date of Patent: August 9, 2005Assignee: Taiwan Carol Electronics Co., Ltd.Inventor: Chao-Chih Chang
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Patent number: D630191Type: GrantFiled: March 24, 2010Date of Patent: January 4, 2011Assignee: Taiwan Carol Electronics Co., Ltd.Inventors: Ching-Lu Chang, Chao-Chih Chang
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Patent number: D974459Type: GrantFiled: January 14, 2021Date of Patent: January 3, 2023Assignee: TAIWAN CAROL ELECTRONICS CO., LTD.Inventor: Chao-Chih Chang