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1. 发明专利

JP2004071084A Light amount detector and optical pickup device 有权
公开(公告)号：JP2004071084A
公开(公告)日：2004-03-04
申请号：JP2002231069
申请日：2002-08-08
申请人： Teac Corp , ティアック株式会社
发明人： YAMAMOTO KOYO , TAKANASHI KEITA
IPC分类号： G11B7/125
摘要： PROBLEM TO BE SOLVED: To properly adjust the detection sensitivity of the amount of laser light or the like, and to properly adjust the output of a laser light source. SOLUTION: The light amount detector 6 is provided with a light amount detection element U1, and a variable resistance means 61 for adjusting an output value. The variable resistance means 61 consists of a fixed resistor and a variable resistor, and is arranged in a space 10a in which replacing and resistance value adjustment can be carried out from the outside. The sensitivity adjustment range of light amount detection is thus expanded and quick adjustment is made possible. The accuracy of shaping an output waveform is enhanced depending on the circuit configuration. In the optical pickup device, a good optical pickup performance is obtained by properly adjusting the output intensity of a laser light source in accordance with the output of the properly adjusted light amount detector. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2001187350A AIR CLEANER 失效
公开(公告)号：JP2001187350A
公开(公告)日：2001-07-10
申请号：JP37552199
申请日：1999-12-28
申请人： TEAC CORP
发明人： TAKANASHI KEITA
IPC分类号： A61L9/00 , A61L9/18 , B01D46/42 , B03C3/02 , B03C3/155 , B03C3/45 , B03C3/60 , F24F7/00
摘要： PROBLEM TO BE SOLVED: To prevent the dust in air from being stuck on a discharge electrode, an electrode to be discharged, an inner wall, etc., of an electrifying unit. SOLUTION: A control part 46 of an air cleaner 10 lights up a germicidal lamp 34 at S19 and continuously irradiates a photocatalyst layer 39 with UV rays. The control part proceeds to S21 at the point of time when a counted value of a timer counter 48 reaches exciting start time T0 when light exciting is generated at S20 and returns the counted value of the timer counter 48 to zero and the counter is restarted. The control part 46 lights off the germicidal lamp 34 at following S22 and confirms that the hydrophilic property of the photocatalyst layer 39 is sufficiently kept by monitoring an elapsed time at S23. In the case the counted value of the timer counter 48 rises above a hydrophilicity impartation duration T1, the control part 46 returns to S19 and lights up the germicidal lamp 34 and restarts UV rays irradiation to the photocatalyst layer 39. The hydrophilic state of the photocatalyst layer 39 is maintained and power-saving is attained since the germicidal lamp 34 intermittently lights up like this.

3. 发明专利

JP2001187348A AIR CLEANER 失效
公开(公告)号：JP2001187348A
公开(公告)日：2001-07-10
申请号：JP37551999
申请日：1999-12-28
申请人： TEAC CORP
发明人： TAKANASHI KEITA
IPC分类号： A61L9/00 , A61L9/18 , B01D46/42 , B03C3/02 , B03C3/155 , B03C3/38 , B03C3/45 , B03C3/60 , B03C3/82 , F24F7/00
摘要： PROBLEM TO BE SOLVED: To prevent the dust in air from being stuck on a discharge electrode, an electrode to be discharged, an inner wall, etc., of an electrifying unit. SOLUTION: The air cleaner 10 is provided with a mechanical dust collecting filter 14, an electrifying unit 16, an electrostatic filter 18 and an intake fan 20 at the inside of a housing 12. Relating to the electrifying unit 16, a germicidal lamp 34 for emitting UV rays, the discharge electrode 36 and the electrode to be discharged 38 are horizontally disposed at every prescribed interval at the inside space 32 of a transparent material 28. A photocatalyst layer 39 on which a photocatalytic coating (titanium oxide coating) is applied is formed on the inner wall of the transparent material 28 surrounding the inside space 32 of the electrifying unit 16. The photocatalyst contained in the photocatalyst layer 39 has the characteristic hardly adsorbing electrostatically the dust floating in air since it is converted to a hydrophilic material by being excited by UV rays irradiation.

4. 发明专利

JPH08252573A WATER PURIFIER 失效
公开(公告)号：JPH08252573A
公开(公告)日：1996-10-01
申请号：JP6135595
申请日：1995-03-20
申请人： TEAC CORP , TOYO ROKI SEIZO KK
发明人： OOMACHI MOTOAKI , YAMADA YOSHIAKI , MURAO KUNIHIKO , TAKANASHI KEITA , OTA TATSUO , TODA KATSUHIRO , SUZUKI HIDETOMO , ICHIKAWA HIDEAKI
IPC分类号： B01D61/02 , B01D61/58 , B01D63/02 , C02F1/28 , C02F1/32 , C02F1/44
摘要： PURPOSE: To provide a water purifier by which the purified water fitered by a filtration means is kept clean. CONSTITUTION: This water purifier 1 has first to third water purifying tanks 2 to 4, a casing, a water storage tank 29 set in the casing and a discharge pipe 7. When a microswitch is turned on by opening a lever switch 12, an intake pump 36 is started by a control circuit 44, and the water in the tank 29 is supplied and discharged from the pipe 7. Meanwhile, a control program is registered in the control circuit 44 to open the solenoid valve 27 of a pipeline 24 communicating with the tank 4 when the water filtered by the tank 4 is not used for a specified time (3hr in this example) to prevent the propagation of bacteria, to supply the water in the tanks 3 and 4 and pipelines 24, 28 and 35 to the tank 29 and to forcedly generate water.

5. 发明专利

JP2001187349A AIR CLEANER 失效
公开(公告)号：JP2001187349A
公开(公告)日：2001-07-10
申请号：JP37552099
申请日：1999-12-28
申请人： TEAC CORP
发明人： TAKANASHI KEITA
IPC分类号： A61L9/00 , A61L9/18 , B01D46/42 , B03C3/02 , B03C3/155 , B03C3/45 , B03C3/60 , F24F7/00
摘要： PROBLEM TO BE SOLVED: To prevent the dust in air from being stuck on a discharge electrode, an electrode to be discharged, an inner wall, etc., of an electrifying unit. SOLUTION: The air cleaner 10 is provided with a mechanical dust collecting filter 14, an electrifying unit 16, an electrostatic filter 18 and an intake fan 20 at the inside of a housing 12. Relating to electrifying unit 16, a germicidal lamp 34 for emitting UV rays, the discharge electrode 36 and the electrode to be discharged 38 are horizontally disposed at every prescribed interval at the inside space 32 of a transparent material 28. A photocatalyst layer 39 on which a photocatalytic coating (titanium oxide coating) is applied is formed on the inner wall of the transparent material 28 surrounding the inside space 32 of the electrifying unit 16. The photocatalyst contained in the photocatalyst layer 39 has the characteristic hardly adsorbing electrostatically the dust floating in air since it is converted to a hydrophilic material by being excited by UV rays irradiation.

6. 发明专利

JPH10192732A ELECTROSTATIC AIR PURIFIER AND SHEET-LIKE OBJECT HOLDING DEVICE 失效
公开(公告)号：JPH10192732A
公开(公告)日：1998-07-28
申请号：JP35753896
申请日：1996-12-27
申请人： TEAC CORP
发明人： INAYAMA HIROYUKI , TAKANASHI KEITA , SHIMODA TERUO , MURAO KUNIHIKO
IPC分类号： B03C3/155
摘要： PROBLEM TO BE SOLVED: To improve dust collecting capacity by providing first and second dust collecting sheet holding members so that at least part of the first dust collecting sheet holding member and at least part of the second dust collecting sheet holding member are overlapped in the winding direction to a column-like part of a dust collecting sheet. SOLUTION: In an electrostatic air purifier having an ionization electrode 10, dust collecting electrodes 11-13, an insulating column part 14, an insulating base part 15, a cover 16 with a slit, dust collecting sheet holding members 17, 18, and support body 19, dust collecting paper 20 as a dust collecting sheet is wound on the outer surface of the column part 14 so as to cover the dust collecting electrodes 11-13 and held by holding members 17, 18. At this time, both the holding members 17, 18 are constituted so that they are rotated in the same direction as each other to hold the dust collecting paper 20, and is arranged so that the whole holding members 18 overlaps the holding members 17. In this way, a winding angle to the column part 14 of the dust collecting electrodes 11-13 and a winding angle of the dust collection paper 20 are enlarged to improve dust collecting capacity.

7. 发明专利

JPH09308837A AIR CLEANER 失效
公开(公告)号：JPH09308837A
公开(公告)日：1997-12-02
申请号：JP14859096
申请日：1996-05-20
申请人： TEAC CORP
发明人： SHIMODA TERUO , TAKANASHI KEITA , INAYAMA HIROYUKI , MURAO KUNIHIKO
IPC分类号： B03C3/155 , B03C3/45 , F24F3/16 , H01T15/00 , H01T19/00 , H01T23/00
摘要： PROBLEM TO BE SOLVED: To improve the uniformity and efficiency of dust attraction in an electronic air cleaner. SOLUTION: A first and a second dust collecting electrodes 21, 22 are arranged on the peripheral surface of a cylindrical support body 4. Pores 24 are formed in the second dust collecting electrode 22. The area of the second dust collecting electrode 22 which is separated farther from an ionizing electrode 1 than the first dust collecting electrode 21 is made greater than that of the first dust collecting electrode 21. The total surface area of the first and the second dust collecting electrodes 21, 22 is made at least 70% of the area of a part of dust collecting paper 6 wound onto the support body 4.

8. 发明专利

JP2002185087A FLEXIBLE WIRING BOARD AND ELECTRONIC APPARATUS 失效
公开(公告)号：JP2002185087A
公开(公告)日：2002-06-28
申请号：JP2000382636
申请日：2000-12-15
申请人： TEAC CORP
发明人： SAKATA MASAYA , SASAKI SATOSHI , TAKANASHI KEITA , KAMEI HIROSHI
IPC分类号： G11B21/02 , G11B7/085 , G11B25/04 , H02G11/00 , H05K1/02
摘要： PROBLEM TO BE SOLVED: To obtain a flexible wiring board bent into U-shape, to which a moving body does not touch. SOLUTION: The flexible wiring board 45 has a triangular enlarged part 48 spreading from a corner 45f where first and second extended parts 45a and 45b intersect to a position facing the lower surface of an optical pickup 26. Since the optical pickup 26 moves to pass over the U-shaped enlarged part 48 at all times, the lower corner 26 of a bearing part 26a is prevented from being hooked to the edge of the enlarged part 48 of the flexible wiring board 45. A conductive pattern 49 is formed on the upper surface of the enlarged part 48. The corner 45f, where the first and second extended parts 45a and 45b intersect is reinforced by the conductive pattern 49 and held not to touch the lower surface side of the optical pickup 26.

9. 发明专利

JP2001179125A ELECTROSTATIC AIR CLEANER 失效
公开(公告)号：JP2001179125A
公开(公告)日：2001-07-03
申请号：JP37268699
申请日：1999-12-28
申请人： TEAC CORP
发明人： TAKANASHI KEITA
IPC分类号： F24F7/00 , B03C3/155
摘要： PROBLEM TO BE SOLVED: To prevent the sticking of the dust in air to a discharge electrode, an electrode to be discharged, an inner wall, etc., of a discharge unit. SOLUTION: The electrostatic air cleaner 10 is constituted of an air introducing port 24, a mechanical dust collecting filter 14, an electrifying unit 16, an electrostatic filter 18 and an intake fan 20, and the dust relatively coarse in particle size is removed by the mechanical dust collecting filter 14 and the dust relatively fine in particle size is removed by the electrifying unit 16 and the electrostatic filter 18. The mechanical dust collecting filter 14 reduces the amount of the dust sticking to the electrifying unit 16 by removing the dust relatively coarse in particle size.

10. 发明专利

JPH1034014A AIR PURIFIER 失效
公开(公告)号：JPH1034014A
公开(公告)日：1998-02-10
申请号：JP21436496
申请日：1996-07-25
申请人： TEAC CORP
发明人： MURAO KUNIHIKO , INAYAMA HIROYUKI , TAKANASHI KEITA , SHIMODA TERUO
IPC分类号： B03C3/36 , B03C3/00 , B03C3/40 , B03C3/68 , B03C3/82 , H01T23/00
摘要： PROBLEM TO BE SOLVED: To obtain dust collecting capacity according to a change in environment by installing a second dust collecting electrode having surface area larger than that of a first dust collecting electrode other than the first dust collecting electrode and forming the flow of air in the second dust collecting electrode to be produced by a fan. SOLUTION: A first dust collecting electrode 3 that is a belt-like metallic plate in which many small holes are made as an anode to which positive voltage is applied is wound on the outer peripheral surface of a cylindrical casing 10 and fixed. A second dust collecting electrode 4 as an anode to which positive voltage is applied is formed into a honeycomb using an aluminum plate to form many air passes 14 in the shape of a hexagon extending in the vertical direction in order to have surface area larger than that of the first dust collecting electrode 3. And the second dust collecting electrode 4 is arranged inside the cylindrical casing 10 and fixed by a fixture 15, and the flow of air in the second dust collecting electrode 4 is formed so as to be produced by a fan 6. By this way, dust collecting capacity according to a change in environment is obtained.

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