Abstract: An electrically heated smoking article includes a filter rod, an aerosol medium rod stacked at a lower end of the filter rod and including an aerosol medium that generates an aerosol by heating and a moisture absorbent accommodating or absorbing the aerosol medium, and a wrapping portion surrounding and wrapping the filter rod and the aerosol medium rod to maintain a stack structure. The aerosol medium, including glycerin and a thickener, is maintained in a semi-solid or solid state in a first temperature range including room temperature and is in a liquefied state in a second temperature range higher than the first temperature range. The glycerin vaporizes in a third temperature range higher than the second temperature range to generate an aerosol. The thickener does not vaporize in the third temperature range but remains in the moisture absorbent.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: A wearable acoustic transducer includes a communication part for performing communication and speaker and control modules. The speaker module includes an enclosure having an inner space, a first opening in which a speaker part is mounted being formed in a first side surface thereof, a second opening in which a passive vibration part is mounted being formed in a second side surface thereof, the speaker part configured to emit sound, and a passive vibration part for relieving air stiffness in the inner space of the enclosure. The control module performs gain correction on an electric signal including sound or voice that is received from the communication part according to prestored gain correction data and applies the gain-corrected electric signal to the speaker part, or generates an electric signal corresponding to the gain correction data and applies the electric signal to the speaker part.

Abstract: Provided is an aerosol generating apparatus including: a main body into which a cigarette is inserted; a first electrically conductive pattern provided on a portion of the main body to function as one of a heater for heating the cigarette and a temperature sensor for sensing a temperature of the cigarette; a second electrically conductive pattern provided on another portion of the main body to function as one of the heater and the temperature sensor; and a controller controlling the first electrically conductive pattern and the second electrically conductive pattern to make the first electrically conductive pattern and the second electrically conductive pattern function as one of the heater and the temperature sensor.

Abstract: The present invention relates to a neckband-type wireless sound transducer, and more particularly, to a neckband-type wireless sound transducer that prevents sound from being transferred to the surroundings of the wearer. The neckband-type wireless sound transducer according to the present invention, includes: a main body part configured to be seated on a human body; a main speaker part mounted on the main body part and configured to emit sound to the inside of the main body part; an auxiliary speaker part mounted on the main body part and configured to emit sound for leakage reduction to offset the sound emitted by the main speaker part and leaked to the outside of the main body part; and a controller configured to apply an electric signal for sound emission to the main speaker part and an electric signal for leakage reduction to the auxiliary speaker part.

Abstract: A wearable acoustic transducer includes a communication part for performing communication and speaker and control modules. The speaker module includes an enclosure having an inner space, a first opening in which a speaker part is mounted being formed in a first side surface thereof, a second opening in which a passive vibration part is mounted being formed in a second side surface thereof, the speaker part configured to emit sound, and a passive vibration part for relieving air stiffness in the inner space of the enclosure. The control module performs gain correction on an electric signal including sound or voice that is received from the communication part according to prestored gain correction data and applies the gain-corrected electric signal to the speaker part, or generates an electric signal corresponding to the gain correction data and applies the electric signal to the speaker part.

Abstract: The present invention aims to provide a microspeaker with enhanced low frequency characteristics, by arranging an adsorbent for adsorbing the air in a resonance space and defining a virtual back volume by the air adsorption of the adsorbent. According to an aspect of the present invention, there is provided a microspeaker enclosure with an air adsorbent, including a microspeaker, an enclosure with the microspeaker provided therein, the enclosure defining a resonance space, and an air adsorbent applied to the resonance space of the enclosure, wherein an air adsorption mole ratio per unit volume of the air adsorbent based on a change in the unit pressure is 40.6 mol/m3·atm.

Abstract: The present invention relates to a neckband-type wireless sound transducer, and more particularly, to a neckband-type wireless sound transducer that prevents sound from being transferred to the surroundings of the wearer. The neckband-type wireless sound transducer according to the present invention, includes: a main body part configured to be seated on a human body; a main speaker part mounted on the main body part and configured to emit sound to the inside of the main body part; an auxiliary speaker part mounted on the main body part and configured to emit sound for leakage reduction to offset the sound emitted by the main speaker part and leaked to the outside of the main body part; and a controller configured to apply an electric signal for sound emission to the main speaker part and an electric signal for leakage reduction to the auxiliary speaker part.

Abstract: A headset device with active noise reduction includes a housing configured to be mounted near or in a human ear, a speaker unit equipped within the housing and configured to emit a sound signal, one or more microphone units configured to collect ambient sound and a signal processor electrically connected to the one or more microphone units. The signal processor is configured to selectively operate either in a hearing aid mode in which ambient sound coming in from the outside through the one or more microphone units is emitted, or in a noise reduction mode in which ambient sound coming in from the outside is inverted and the inverted ambient sound is emitted through the speaker unit to reduce the ambient sound. A corresponding method of operating the headset device is also provided.

Abstract: The present invention relates to a micro-speaker for use in a small electronic device, and more particularly, to a micro-speaker having an air adsorbent which can increase the lifespan by the improvements in structure. The micro-speaker according to the present invention improves sound pressure, sound quality and lifespan characteristics by preventing the air adsorbent from blocking vent holes, while enhancing low frequency characteristics by defining a virtual back volume by putting the air adsorbent into an enclosure.

Abstract: The present invention aims to provide a microspeaker with enhanced low frequency characteristics, by arranging an adsorbent for adsorbing the air in a resonance space and defining a virtual back volume by the air adsorption of the adsorbent. According to an aspect of the present invention, there is provided a microspeaker enclosure with an air adsorbent, including a microspeaker, an enclosure with the microspeaker provided therein, the enclosure defining a resonance space, and an air adsorbent applied to the resonance space of the enclosure, wherein an air adsorption mole ratio per unit volume of the air adsorbent based on a change in the unit pressure is 40.6 mol/m3·atm.

Abstract: An electric device includes a microspeaker module including an enclosure having a rectangular shape and serving as a sound box for generating sound pressure therein, a microspeaker installed on an upper surface of the enclosure for changing an electrical signal into sound pressure to generate vibration of air, and a subordinate vibration unit installed within the enclosure for vibrating, and a control unit for applying the electric signal to the microspeaker module to perform a vibration function and a sound emission function.

Abstract: The present invention discloses a sound transducer with a ventilation structure capable of securing a flow path of air introduced from within and outside of the sound transducer to the maximum. The sound transducer with a ventilation structure includes a frame, a magnetic circuit installed within the frame, a voice coil vibrating according to mutual electromagnetic force with the magnetic circuit upon receiving an electrical signal, a vibration plate vibrating according to vibrations of the voice coil to generate a sound, and a drain hole formed to be adjacent to the corner of the frame and allowing air to flow between the interior and exterior of the frame.

Abstract: Disclosed is an electronic device including: a housing having a sound emission hole formed in at least one side thereof; a speaker module which is at least partially accommodated in the housing; and a sound reflection surface formed inside the housing and obliquely facing the speaker module. A sound emitted from the speaker module can be reflected by the sound reflection surface to the sound emission hole. The side acoustic emission type speaker device and the electronic device including the same can be variously implemented.

Abstract: An object of the present invention is to provide a suspension for a sound transducer which has a central portion serving as a center diaphragm and which has a cover layer and a copper pattern partially removed to prevent a decrease in sound pressure from being caused by an increase in weight of a vibration system. According to the present invention, there is provided a suspension for a sound transducer which includes a central portion, a peripheral portion, and a support portion for connecting the central portion to the peripheral portion, the suspension comprising: a base film, a conductive film attached on the base film by means of an adhesive, and a cover layer attached on the conductive film by an adhesive, wherein at least part of the cover layer disposed on the central portion is removed.

Abstract: The present invention relates to a suspension for a sound transducer. The present invention discloses a suspension for a sound transducer, to which a diaphragm and voice coil of the sound transducer are attached and which guides the vibrations of the diaphragm and voice coil, comprising: a central portion to which a voice coil is attached; an outer peripheral portion resting on a frame; and a connecting portion connecting the central portion and the outer peripheral portion, wherein the central portion has a mold portion, which is molded by heat or pressure to take the place of a center diaphragm.