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| Number | Title | Issue Date |
| 8184958 | Audio-video player and event determination device An audio-video player, which automatically determines an event corresponding to the current state and displays a preferred message associated with the event, is provided. A DVD player includes: a massage table which stores prescribed messages in advance by associati... | 05/22/2012 |
| 8159916 | Format determining apparatus A pick-up of a format determining apparatus irradiates light to an optical disk to generate a reproduction signal. A signal processing unit decodes the reproduction signal to generate main data. A CD-ROM decoder decodes the main data. A CD-ROM determining unit deter... | 04/17/2012 |
| 8155349 | Muting control device, muting control method, and muting control program When controlling the audio signal to the mute mode from an unmute mode, first, the muting circuit switches from the non-attenuating state to the attenuating state to cause the muting circuit to attenuate the audio signal by the predetermined amount of attenuation, a... | 04/10/2012 |
| 7801312 | Audio signal processing circuit An audio signal processing circuit for an audio reproduction apparatus at least having sound source located substantially at left and right sides to a listener, is provided. The audio signal processing circuit includes a phase difference control portion. The phase d... | 09/21/2010 |
| 7687411 | Speaker member and method for manufacturing the same The speaker member includes: a base material; and a resin film layer laminated on the base material through an adhesive layer. The adhesive layer has a heat shrinkage ratio of 0.5 to 1.0%; the resin film layer has a heat shrinkage ratio of 0.8 to 1.3%; and the heat ... | 03/30/2010 |
| 7686128 | Speaker diaphragm and speaker A speaker diaphragm includes a substrate and a surface material. The surface material is arranged on one side of the substrate, and includes a woven fabric of a polyethylene naphthalate fiber. ... | 03/30/2010 |
| 7634532 | Network type content reproduction system The network type audio system includes a content server storing a large number of music data pieces, an audio client reproducing music, and a controller monitoring and controlling the audio client through the content server. The audio client requests the server to p... | 12/15/2009 |
| 7631723 | Loudspeaker diaphragm and method for manufacturing the same A loudspeaker diaphragm having light weight and an excellent balance between a rigidity and an internal loss, and a simple and inexpensive method for manufacturing such a diaphragm are provided. The loudspeaker diaphragm includes a base layer having a woven fabric o... | 12/15/2009 |
| 7591344 | Peripheral component for audio equipment There is provided: a lightweight peripheral component for audio equipment having a good balance between a large internal loss and excellent mechanical properties, and having excellent thermal resistance, dimensional stability, and an excellent S/N ratio; and a speak... | 09/22/2009 |
| D590370 | Radio receiver having digital audio disc player | 04/14/2009 |
| 7475409 | Disc changer device In a disc changer provided with a driving force transmission mechanism using a crank arm, the size of the crank arm is reduced as much as possible and the smooth movement of the tray is realized. The crank arm (7) is rotated by a driving force of a drive moto... | 01/06/2009 |
| 7418473 | Server client system for automatically setting port number All port numbers are set at a server, whereas only one port number is set at a client. The client searches for the server by using the set port number. The server responds to searching by the client and notifies the client of the other port number that is not set at... | 08/26/2008 |
| 7333403 | Carousel changer including a turntable having a plurality of trays A turntable provided in the carousel changer has a plurality of trays provided around its rotating shaft. The turntable is provided with an annular rib including a plurality of recessed portions and a plurality of raised portions. A sensor is provided to have the ri... | 02/19/2008 |
| 7280667 | Speaker system A speaker system, preferably for a large-screen TV includes: a horizontal member including a left speaker, a right speaker and a center speaker and functioning as an enclosure for the left speaker, the right speaker and the center speaker, wherein each of the speake... | 10/09/2007 |
| 7102405 | Pulse-width modulation circuit and switching amplifier using the same A pulse-width modulation circuit converts an input signal into a pulse signal to be supplied to a switch amplifying circuit. The modulation circuit includes a comparison signal generator, an amplitude controller for modulating a comparison signal from the signal gen... | 09/05/2006 |
| 7021419 | Speaker system A small-sized speaker system having a very excellent bass-range reproduction capability includes a sound radiation component for guiding acoustic waves radiated from the speaker units to a free space by causing a larger degree of air compression and expansion than i... | 04/04/2006 |
| 6956954 | Surround-sound processing system Surround-effect, providing no unnatural feeling to the listeners who sit next to each other under side-by-side basis through virtual sound sources, is realized. A surround left channel signal SL and a surround right channel signal SR are mixed with an adder 10 | 10/18/2005 |
| 6798891 | Speaker system A small-sized speaker system having extremely excellent bass range reproduction capability comprises a speaker unit provided in a closed box and a sound guide through which sound radiated from the speaker unit is guided into the free space so as to cause compression... | 09/28/2004 |
| 6765449 | Pulse width modulation circuit A pulse width modulation circuit of the present invention includes: pulse generation means being provided with a first power supply and charged with a first current and a second current between which a constant current is distributed to turn ON/OFF a switching eleme... | 07/20/2004 |
| 6504934 | Apparatus and method for localizing sound image The present invention includes producing a first processed signal which localizes sound image at a first localization position and a second processed signal which localizes sound image at a second localization position; multiplying one of the first and th... | 01/07/2003 |
| 6067360 | Apparatus for localizing a sound image and a method for localizing the same It is an object of the present invention to provide an apparatus for localizing a sound image capable of achieving so called "surround-effect" sufficiently with a simple structure while maintaining a sufficient width of a frontal sound field. Both surroun... | 05/23/2000 |
| 5205897 | Method of bonding loudspeaker diaphragm A loudspeaker component is bonded to a diaphragm formed of an olefinic resin, by applying an adhesion primer to bonding positions of the component and/or the diaphragm, applying an adhesive to the bonding positions after the primer has cured, and superpos... | 04/27/1993 |
