Patent application number | Description | Published |
20080219492 | Headphone - A headphone including a housing that includes a speaker unit and that has a generally flat surface that comes into contact with an outward facing surface of an auricle of an ear and a neckband that is connected to the housing. The neckband has a ring form with a partially cut-out section and the inner side of at least one end of the neckband is connected to the housing. The neckband and the generally flat surface of the housing are generally coplanar, and have an elastic force in a direction that causes the neckband and the generally flat surface of the housing to return to the coplanar arrangement. | 09-11-2008 |
20080273737 | Headphone - A headphone including a housing that includes a speaker unit, and a protruding portion, provided at a specified area of one surface of the housing, that outputs playback sound generated from the speaker unit. When being worn on the head, the one surface of the housing comes in to contact with an outward facing surface of an auricle surrounding a cavity of a concha, and the protruding portion is inserted in to the cavity of the concha. | 11-06-2008 |
20100135517 | EARPIECE AND EARPHONE - There is provided an earpiece comprising: a main unit having a cylindrical shape having made therein a through hole that can allow sound to be transmitted therethrough; a cap portion that has a film-like shape which is formed to extend from all around a front-end surface, in a direction of making the through hole, of the main unit toward a rear-end surface side, and which covers at least a portion of the main unit on the front-end surface side, and in which space between the main unit and the cap portion expands as it goes toward the rear-end surface side; and at least one cutting portion formed in the cap portion so that the cap portion can deform in a direction of the main unit. | 06-03-2010 |
20110311088 | ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY METHOD - An acoustic conversion device includes: a driving unit including magnets, a yoke, a coil, a vibrating portion, and an armature fixed to the yoke; a diaphragm unit including a holding frame fixed to the driving unit, with one face as a first-joint face jointed to the driving unit, and the other face as a second-joint face, a resin film adhered to the holding frame, a diaphragm held on the holding frame, and a beam portion propagating vibration from the vibrating portion to the diaphragm; and a storage unit including a case body for storing the driving unit and diaphragm unit; with the driving unit and diaphragm unit being stored in the case body, the case body being pressed against and deforming a sealing agent loaded in the second-joint face, from a side facing the second-joint face, thereby sealing each gap between the case body, cover body, and holding frame. | 12-22-2011 |
20110311089 | ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY METHOD - An acoustic conversion device includes: a driving unit including a pair of magnets disposed so as to face each other, a yoke to which the pair of magnets are attached, a coil to which driving current is supplied, a vibrating portion which vibrates when driving current is supplied to the coil, and an armature disposed between the pair of magnets with the vibrating portion being passed through the coil; and a diaphragm unit including a diaphragm, and a beam portion for propagating the vibration of the vibrating portion to the diaphragm; with a coil attachment portion to which the coil is attached, located in a state in parallel with the vibrating portion, being provided to the armature. | 12-22-2011 |
20110311090 | ACOUSTIC CONVERSION DEVICE - An acoustic conversion device includes: a driving unit including a pair of magnets disposed so as to face each other, a yoke to which the pair of magnets are attached, a coil to which driving current is supplied, a vibrating portion which vibrates when driving current is supplied to the coil, and an armature disposed between the pair of magnets with the vibrating portion passed through the coil; and a diaphragm unit including a holding frame having an opening, a resin film adhered to the holding frame in a state covering the opening of the holding frame, a diaphragm held on the inner side of the holding frame in a state adhered to the resin film, and a beam portion of which the tip portion formed integrally with the diaphragm is combined with the vibrating portion of the armature, for propagating the vibration of the vibrating portion to the diaphragm. | 12-22-2011 |
20110311091 | ACOUSTIC CONVERSION DEVICE - An acoustic conversion device includes: a driving unit including a pair of magnets, a yoke, a coil, a vibrating portion which vibrates when driving current is supplied to the coil, and an armature disposed between the pair of magnets with the vibrating portion being passed through the coil; and a diaphragm unit including a holding frame having an opening, a resin film adhered to the holding frame, a diaphragm held within the holding frame, and a beam portion for propagating the vibration of the vibrating portion to the diaphragm; with the beam portion being combined with one edge side of the diaphragm, a predetermined gap being formed between the other edge of the diaphragm, and the inner face of the holding frame, a reinforcing member being provided to the predetermined gap, and the diaphragm being combined with the holding frame by the resin film and the reinforcing member. | 12-22-2011 |
20120087533 | EARPHONE AND ACOUSTIC TRANSDUCER - An earphone includes an earphone casing inside which a sound path that guides sound to a sound discharging hole is formed, and an acoustic transducer disposed inside the earphone casing. The acoustic transducer includes an accommodation casing having accommodated therein a yoke on which paired magnets disposed so as to face each other are mounted, a coil to which a driving current is supplied, an armature provided with a vibrating part vibrating when the driving current is supplied to the coil, the vibrating part being disposed between the paired magnets, and a diaphragm coupled to the vibrating part of the armature, a sound output hole is formed on a surface that faces a vibration surface of the diaphragm in the accommodation casing, and the acoustic transducer has the sound output hole disposed in the earphone casing so that the sound output hole is acoustically coupled to the sound path. | 04-12-2012 |
20120269376 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 10-25-2012 |
20130058508 | DRIVER UNIT AND EARPHONE DEVICE - Provided is a driver unit including an acoustic conversion unit; and a housing body in which the acoustic conversion unit is housed, and in which an opening is formed. The acoustic conversion unit includes a pair of magnets arranged to face each other, a coil to which an input signal is supplied, an armature at which a vibrating part passing through the coil and arranged between the pair of magnets is formed, and a vibrating plate connected to the armature. A size of the opening is larger than 40 μm and smaller than 100 μm. | 03-07-2013 |
20130251184 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 09-26-2013 |
20130251185 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 09-26-2013 |
20130251186 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 09-26-2013 |
20130272561 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 10-17-2013 |
20130294630 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 11-07-2013 |
20130294635 | EARPHONE DEVICE - An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing. | 11-07-2013 |
20140307884 | EARHOLE-WEARABLE SOUND COLLECTION DEVICE, SIGNAL PROCESSING DEVICE, AND SOUND COLLECTION METHOD - The present technique relates to an earhole-wearable sound collection device, a signal processing device, and a sound collection method for realizing sound collection at a high S/N ratio with reduced noise influence, regardless of noise reduction methods such as the SS method. | 10-16-2014 |
20140321688 | EARHOLE-WEARABLE SOUND COLLECTION DEVICE, SIGNAL PROCESSING DEVICE, AND SOUND COLLECTION METHOD - The present technique relates to an earhole-wearable sound collection device, a signal processing device, and a sound collection method for realizing sound collection at a high S/N ratio, with noise influence being reduced not by a noise reduction process. | 10-30-2014 |
20140363013 | HEADPHONE DRIVER, LOUDSPEAKER, AND METHOD OF MANUFACTURING HEADPHONE DRIVER OR LOUDSPEAKER - Provided is a headphone driver including a yoke that has a bottom surface and an erected surface that is erected in a perpendicular direction with respect to the bottom surface, and that is formed using a magnetic material, and a bonded magnet unit consisting of a bonded magnet that is provided on the bottom surface of the yoke. The magnetic flux of the bonded magnet unit is concentrated on the side surface of the bonded magnet unit facing the erected surface of the yoke. | 12-11-2014 |