Patents by Inventor Yasuhisa Abe
Yasuhisa Abe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20060222199Abstract: A speaker apparatus includes at least one of an inner flux applicator and an outer flux applicator includes an annular first member and an annular second member. The first member having a first surface that faces toward the magnetic gap, the first member satisfying L1>W1 where L1 is a length of the first surface in a direction parallel to the central axis and W1 is a width of the first member in a direction orthogonal to a central axis. The second member is magnetically coupled with the first member and arranged on an outer side of the first member, the second member satisfying W2>L2 where W2 is a width of the second member in a direction orthogonal to a central axis and L2 is a length of the second surface in a direction parallel to the central axis, and L1>L2.Type: ApplicationFiled: March 15, 2006Publication date: October 5, 2006Inventors: Yasuhisa Abe, Hiroyuki Kobayashi
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Publication number: 20060191740Abstract: In a low-frequency sound reproducing speaker apparatus of Kelton type, a cabinet for containing a speaker unit is constituted by a shape of substantially a parallelepiped slender in a front and rear direction, a length dimension in the front and rear direction is set to a value substantially near to a depth dimension of a seat cushion of a vehicle, the speaker unit is attached to a partition plate for partitioning inside of the cabinet into front and rear air chambers, and a lower face of the cabinet is fixed to the seat cushion by a fixing belt laid along the front and rear direction.Type: ApplicationFiled: February 15, 2006Publication date: August 31, 2006Inventors: Yasuhisa Abe, Chuichi Endo, Koji Nakane, Yumi Takigami
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Publication number: 20060104472Abstract: A speaker device includes a vibration system having a frame, first and second voice coils, a voice coil bobbin, a diaphragm and a magnetic circuit holder, and a magnetic circuit system having a yoke, a magnet and first and second plates. The first and second voice coils are wound around the voice coil bobbin with a constant space. The diaphragm has a step portion having an upper surface ensuring flatness at an inner peripheral portion (neck) thereof. An inner peripheral edge portion of the diaphragm is fixed to the voice coil bobbin. The first plate, the magnet and the second plate are fixed onto a pole portion of the frame in an upward order, respectively. The annular yoke is mounted onto a predetermined position of the magnetic circuit holder formed into a mushroom shape, and the magnetic circuit holder is fixed onto the second plate via a bolt. Thereby, the first and second magnetic gaps are formed in the vicinity of the first and second voice coils, respectively.Type: ApplicationFiled: November 16, 2005Publication date: May 18, 2006Applicants: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Yoshimi Kudo
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Publication number: 20050180591Abstract: A magnetic circuit driving a diaphragm is located in a sound emission area of the diaphragm which is supported by a frame. A network element is installed on the opposite side of a frame member from the sound emission area of the diaphragm.Type: ApplicationFiled: December 10, 2004Publication date: August 18, 2005Inventors: Yasuhisa Abe, Yoshimi Kudo
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Patent number: 6929092Abstract: A speaker diaphragm that has a high heat-radiation efficiency. The speaker diaphragm includes a diaphragm main body made from a resin, and a metallic plate adhered to a major acoustic surface of the diaphragm main body adjacent a voice coil bobbin. The voice coil bobbin is attached to the diaphragm man body.Type: GrantFiled: October 10, 2001Date of Patent: August 16, 2005Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto, Koji Takayama
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Publication number: 20050155815Abstract: A standing wave absorbing device for a vehicle, includes a sound tube provided at a predetermined position within a compartment or inside a door. The sound tube absorbs unwanted standing wave occurring within the compartment or inside the door.Type: ApplicationFiled: November 17, 2004Publication date: July 21, 2005Inventors: Katsuhiro Sasaki, Toshihiro Hikichi, Takayuki Negishi, Yasuhisa Abe, Takeshi Ito, Hiroyuki Hamada, Shintaro Hosoi
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Publication number: 20050041820Abstract: First auxiliary speakers are mounted in the vehicle-passenger space with respect to main speakers providing for acoustic reproduction in the vehicle-passenger space. The first auxiliary speakers output sound in the same frequency band as that of sound outputted from the main speakers. Acoustic outputs of the first auxiliary speakers are set to make a sound pressure of the sound reaching a listener sit in the vehicle-passenger space from the first auxiliary speakers nearly equal to a sound pressure of the sound reaching the listener from the main speakers.Type: ApplicationFiled: August 17, 2004Publication date: February 24, 2005Inventors: Yasuhisa Abe, Takayuki Negishi, Takeshi Ito, Katsuhiro Sasaki, Toshihiro Hikichi, Hiroyuki Hamada, Shintaro Hosoi
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Publication number: 20050041829Abstract: A magnet (300) is arranged substantially at the center of the bottom section (210) of a frame (200) and a diaphragm (500) provided with a coil bobbin (570) around which a voice coil (600) is wound is fitted to the frame (200) so as to close the opening (233) of the frame (200). Then, the diaphragm (500) is covered by a protective member (700). A fitting section (240) to be fitted to a receiving member (800) is extended from the outer peripheral surface of the bottom section (210) of the frame (200) substantially along a plane that includes the center of gravity G of the speaker and runs substantially in parallel with the plane of the opening of the frame (200), or a plane that includes the center of gravity G of the speaker and runs substantially perpendicularly to the direction of vibrations of the diaphragm (500) so as to appear like a sword guard.Type: ApplicationFiled: August 12, 2004Publication date: February 24, 2005Applicants: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Yasuhisa ABE, Takayuki NEGISHI, Takeshi ITO, Katsuhiro SASAKI, Toshihiko HIKICHI, Hiroyuki HAMADA, Shintaro HOSOI
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Patent number: 6817084Abstract: A method for manufacturing a speaker apparatus that includes fixing a magnetic circuit to a frame so that the magnetic circuit is positioned around a central hole of the frame; positioning a coil with respect to a center pole of the magnetic circuit; connecting a damper to the coil and the frame; positioning a jig in the central hole of the frame; projecting the jig from a center hole of the center pole; engaging a positioning portion provided on a diaphragm with the jig to position the diaphragm at a predetermined position with respect to the center pole, the positioning portion being removably connected with the jig positioned in the central hole of the frame to secure the position of the diaphragm relative to the magnetic circuit during the installation; and connecting the positioned diaphragm to the coil and the frame.Type: GrantFiled: January 7, 2002Date of Patent: November 16, 2004Assignees: Pioneer Electronic Corporation, Tokuku Pioneer Electronic CorporationInventors: Takeshi Tokusho, Yasuhisa Abe, Fumio Murayama
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Patent number: 6814181Abstract: There is provided an electrically conductive damper device for a speaker in which local bending is reduced and break-downs of material of the damper and metallic wires incorporated in the damper are prevented, by additionally providing one or more sheets of damper fabric as a reinforcing damper 142 and by bonding it to a main damper 141 by way of various kinds of resin, in order to reinforce a neck portion of the electrically conductive damper. Further, properties of the damper can be adjusted by varying an outer diameter of the reinforcing damper 142, or by selecting the resin to be employed as an adhesive.Type: GrantFiled: October 22, 2001Date of Patent: November 9, 2004Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Koji Matsumoto, Koji Takayama, Hiroyuki Tomiyama
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Patent number: 6788799Abstract: A speaker device and associated method for producing a speaker device that includes a voice coil and a radiant layer made of a radiant energy emissive material provided on a surface of the voice coil for suppressing the heat generated at the voice coil while simultaneously improving the input durability of the speaker device.Type: GrantFiled: November 30, 1999Date of Patent: September 7, 2004Assignees: Pioneer Electronic Corporation, Tohoku Pioneer Electronic CorporationInventors: Toshihiro Ishigaki, Yasuhisa Abe, Yoshitaka Kobayashi
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Publication number: 20040136551Abstract: An audio apparatus includes a main audio signal processing circuit (12) for processing an audio signal read from a sound source (10), and a set of main speakers (SPA) and at least one set of sound effect speakers (SPB, SPC, etc.) which receive inputs of the audio signal undergoing the signal processing by the signal processing circuit (12). The main speaker (SPA) is mounted on an A-pillar (AP) in a vehicle passenger space, for example. The sound effect speakers (SPB, SPC, etc.) are mounted in a lower portion of the console (C), for example.Type: ApplicationFiled: December 23, 2003Publication date: July 15, 2004Applicants: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Hiroyuki Hamada, Shintaro Hosoi
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Publication number: 20040086132Abstract: An audio apparatus has a main speaker SPA receiving an audio signal from a sound source 10 and outputting sound of the sound source; sound effect audio signal processing circuits 12B, 12C, etc. for performing signal processing on the audio signal from the sound source 10 to generate a sound effect audio signal for reproduction of a sound effect required of the sound of the sound source; and sound effect speakers SPB, SPC, etc. each receiving the sound effect audio signal and outputting the sound effect required of the sound of the sound source.Type: ApplicationFiled: October 28, 2003Publication date: May 6, 2004Applicants: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Hiroyuki Hamada, Shintaro Hosoi
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Patent number: 6590990Abstract: The invention relates to a speaker that can cool a voice coil efficiently. A bobbin that supports the voice coil is made from a material having good thermal transfer characteristics. Slits are formed in the bobbin to further promote heat emission from the voice coil.Type: GrantFiled: October 10, 2001Date of Patent: July 8, 2003Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto
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Patent number: 6558920Abstract: According to the protein expression system in which a variety of desired useful proteins are highly produced by fusing a coding region of useful protein gene to the downstream of a promoter region of a tyrosinase-encoding gene (melO) of Aspergillus oryzae by a usual method of DNA manipulation, transferring a plasmid containing the resulting novel fusion gene into Aspergillus oryzae and incubating the thus-obtained transformant, various proteins can efficiently be produced at a high purity and in a high yield.Type: GrantFiled: March 2, 2000Date of Patent: May 6, 2003Assignee: Gekkeikan Sake Company LimitedInventors: Yoji Hata, Hiroki Ishida, Hiromoto Hisada, Eiji Ichikawa, Akitsugu Kawato, Yasuhisa Abe, Koji Suginami, Satoshi Imayasu
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Publication number: 20020112914Abstract: There is provided an electrically conductive damper device for a speaker in which local bending is reduced and break-downs of material of the damper and metallic wires incorporated in the damper are prevented, by additionally providing one or more sheets of damper fabric as a reinforcing damper 142 and by bonding it to a main damper 141 by way of various kinds of resin, in order to reinforce a neck portion of the electrically conductive damper. Further, properties of the damper can be adjusted by varying an outer diameter of the reinforcing damper 142, or by selecting the resin to be employed as an adhesive.Type: ApplicationFiled: October 22, 2001Publication date: August 22, 2002Applicant: PIONEER CORPORATIONInventors: Yasuhisa Abe, Koji Matsumoto, Koji Takayama, Hiroyuki Tomiyama
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Publication number: 20020067843Abstract: The invention relates to a speaker that can cool a voice coil efficiently. A bobbin that supports the voice coil is made from a material having good thermal transfer characteristics. Slits are formed in the bobbin to further promote heat emission from the voice coil.Type: ApplicationFiled: October 10, 2001Publication date: June 6, 2002Applicant: Pioneer Corporation and Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto
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Publication number: 20020064294Abstract: A speaker apparatus includes a frame having a magnetic circuit, a voice coil bobbin installed in the frame to be magnetically coupled to the magnetic circuit, and a diaphragm movably installed in the frame and fixed to the voice coil bobbin so as to be driven by activating the magnetic circuit. The diaphragm has a positioning portion that had been used for securing the diaphragm relative to the magnetic circuit during an installation of the diaphragm in the frame.Type: ApplicationFiled: January 7, 2002Publication date: May 30, 2002Applicant: PIONEER ELECTRONIC CORPORATIONInventors: Takeshi Tokusho, Yasuhisa Abe, Fumio Murayama
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Publication number: 20020057818Abstract: The present invention relates to a speaker that has a reduced number of parts and effectively emits heat of a voice coil to the outside of the speaker. The speaker includes a diaphragm, a bobbin connected to the diaphragm, a voice coil supported by the bobbin, a center cap for covering an end of the bobbin, and a magnetic circuit for applying a magnetic field to the voice coil. The bobbin and center cap are integrally fabricated.Type: ApplicationFiled: October 26, 2001Publication date: May 16, 2002Inventors: Yasuhisa Abe, Fumio Murayama, Koji Matsumoto, Koji Takayama
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Publication number: 20020046900Abstract: A speaker diaphragm that has a high heat-radiation efficiency. The speaker diaphragm includes a diaphragm main body made from a resin, and a metallic plate adhered to a major acoustic surface of the diaphragm main body adjacent a voice coil bobbin. The voice coil bobbin is attached to the diaphragm man body.Type: ApplicationFiled: October 10, 2001Publication date: April 25, 2002Applicant: Pioneer Corporation and Tohoku Pioneer CorporationInventors: Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto, Koji Takayama