Patent application number | Description | Published |
20120087517 | SPEAKER UNIT AND ACTIVE SPEAKER DEVICE - A speaker unit performing sound output in proportion to electric current by current driving includes: a frame having an opening; a magnet arranged inside the frame and formed in an annular shape; a yoke including a shaft-shaped insertion arrangement portion which is inserted into a center of the magnet; a coil bobbin formed in a cylindrical shape; a coil wound around an outer peripheral surface of the coil bobbin; a damper having elasticity and connected between the frame and the coil bobbin; a cone connected to the coil bobbin at an inner peripheral portion and fixed to an opening edge of the opening of the frame at an outer peripheral portion, which vibrates with movement of the coil bobbin; and a sound absorbing material arranged inside the coil bobbin. | 04-12-2012 |
20120087536 | SPEAKER UNIT AND ACTIVE SPEAKER DEVICE - A speaker unit performing sound output in proportion to electric current by current driving includes: a frame having an opening; a magnet arranged inside the frame and formed in an annular shape; a yoke including a shaft-shaped insertion arrangement portion which is inserted into a center of the magnet; a coil bobbin formed in a cylindrical shape; a coil wound around an outer peripheral surface of the coil bobbin; a damper having elasticity and connected between the frame and the coil bobbin; and a cone connected to the coil bobbin at an inner peripheral portion and fixed to an opening edge of the opening of the frame at an outer peripheral portion, which vibrates with movement of the coil bobbin, wherein a communicating hole communicating the inside to the outside is formed at the frame, and a portion of the communicating hole is blocked by an attachment member. | 04-12-2012 |
20130175923 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS - An electric light bulb type light source apparatus includes a light source unit, a power source substrate, a drive substrate, a base, and a casing. On the power source substrate, a power source circuit is mounted, and the power source substrate has one of a through hole and a cutout. On the drive substrate, a drive circuit of at least the light source unit is mounted, and the drive substrate includes a part disposed in the one of the through hole and the cutout of the power source substrate. The base is used to supply power to the power source substrate. The casing is configured to contain the light source unit, the power source substrate, and the drive substrate, and the casing has a translucent cover. | 07-11-2013 |
20130181607 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS - An electric light bulb type light source apparatus includes a base, an insulated power source circuit, a light source unit, a light source drive circuit, a speaker, a speaker drive circuit, a plurality of substrates, and a casing. The insulated power source circuit has a transformer that insulates a primary side circuit from a secondary side circuit, converts a voltage to a first DC power source voltage, and outputs the first DC power source voltage. The light source drive circuit drives the light source unit by using the first DC power source voltage output from the power source circuit. The speaker drive circuit drives the speaker by using the first DC power source voltage output from the power source circuit. On the plurality of substrates, the power source circuit, the light source drive circuit, and the speaker drive circuit are mounted. The casing contains the plurality of substrates. | 07-18-2013 |
20140070729 | ILLUMINATION APPARATUS AND STORAGE MEDIUM - There is provided an illumination apparatus including an illumination unit, a reception unit, and a control unit configured to control illumination of the illumination unit in accordance with a default illumination pattern. When the reception unit receives an illumination pattern, the control unit performs illumination control different from the illumination according to the default illumination pattern. | 03-13-2014 |
20140355246 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS - [Object] To provide electric light bulb type light source apparatuses capable of ensuring high receiver sensitivity and achieving downsizing without sacrificing light distribution characteristics for lighting. | 12-04-2014 |
20150028740 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS - An electric light bulb type light source apparatus includes a light source unit, a power source substrate, a drive substrate, a base, and a casing. On the power source substrate, a power source circuit is mounted, and the power source substrate has one of a through hole and a cutout. On the drive substrate, a drive circuit of at least the light source unit is mounted, and the drive substrate includes a part disposed in the one of the through hole and the cutout of the power source substrate. The base is used to supply power to the power source substrate. The casing is configured to contain the light source unit, the power source substrate, and the drive substrate, and the casing has a translucent cover. | 01-29-2015 |
20150049461 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS - [Object] To provide an electric light bulb type light source apparatus capable of suppressing the influence of heat from the light source unit to the speaker. | 02-19-2015 |
20150070895 | ELECTRIC LIGHT BULB TYPE LIGHT SOURCE APPARATUS AND TRANSLUCENT COVER - [Object] To provide an electric light bulb type light source apparatus capable of reducing backlash, which results in noise, and improving the sound quality of a speaker. | 03-12-2015 |