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1. 发明专利

JP2004005903A OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE 审中-公开
公开(公告)号：JP2004005903A
公开(公告)日：2004-01-08
申请号：JP2002366569
申请日：2002-12-18
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORINOUCHI SHOGO , GOTO HIROSHI , MORI TAIICHI , HARUGUCHI TAKASHI , TAKAMURE HISANORI , TANAKA SHINJI , ASO JUNYA , FUKAKUSA MASAHARU , KOGA TOSHIHIRO , MATSUMOTO MITSUHIRO , FURUKAWA FUMINOBU
IPC分类号： G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup device which can reproduce records of a low-density optical disk and a high-density optical disk and is formed in a thin shape, and an optical disk device using the optical pickup device. SOLUTION: The optical pickup device has an LDA (semiconductor laser A) 11 of a short wavelength, an LDB (semiconductor laser B) 12 of a long wavelength, a beam splitter 41, a rising prism 23 for converting an optical axis to an optical axis perpendicular to an optical disk, and an objective lens 32, in which a composite wave filter 33 is arranged integrally with the objective lens 32, and the surface of the composite wave filter 33 and the slant of the rising prism 23 are arranged to face each other so as to be parallel to each other. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2001266380A OPTICAL PICKUP DEVICE 失效
公开(公告)号：JP2001266380A
公开(公告)日：2001-09-28
申请号：JP2000077614
申请日：2000-03-21
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： YAMAGUCHI HIDEO , HORINOUCHI SHOGO , HARUGUCHI TAKASHI , FURUKAWA FUMINOBU
IPC分类号： G11B7/09 , G11B7/22
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup device and an optical disk device using it of high precision, high sensitivity and low power consumption by improving assembling precision and simultaneously attaining a thin shape and miniaturization. SOLUTION: In the optical pickup device which supports a lens holder 11 holding an objective lens 1 to a sus-holder 14 via plural leaf springs 12, 13, the sus-holder 14, the lens holder 11 and plural leaf springs 12, 13 are integrally formed. Thus, an actuator is precisely manufactured, a space for optical adjustment is omitted, miniaturization is realized and a projecting area is reduced.

3. 发明专利

JP2000331376A OPTICAL PICKUP 失效
公开(公告)号：JP2000331376A
公开(公告)日：2000-11-30
申请号：JP2000138678
申请日：2000-05-11
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOJIMA KOKI , HARUGUCHI TAKASHI , NAKAJIMA KAZUYUKI , FURUKAWA FUMINOBU
IPC分类号： G11B7/09 , G11B7/125 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide a compact, thin and low power consumption optical pickup capable of recording/playing optical disks having different recording densities. SOLUTION: This optical pickup is provided with one objective lens 16, a first optical unit 4 having light emitting and receiving elements used during the recording/playing of a high-density optical disk 17, a second optical unit 8 having light emitting and receiving elements used during the recording/playing of a low-density optical disk, a beam splitter 10 for guiding the optical axes of the first and second optical units 4 and 8 into the same optical axis, and a wavelength filter 15 for changing an incident light flux diameter to the objective lens 16 between the recording/playing of the high-density optical disk 17 and the recording/playing of the low-density optical disk. Thus, the high-density optical disk 17 and the low-density optical disk are recorded/played.

4. 发明专利

JPH10241197A OPTICAL PICKUP 失效
公开(公告)号：JPH10241197A
公开(公告)日：1998-09-11
申请号：JP3758897
申请日：1997-02-21
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HARUGUCHI TAKASHI , MUTO JUNICHI
IPC分类号： G11B7/09 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup whose thickness can be reduced while the rigidity of a carriage is maintained. SOLUTION: Two systems of optical units 21 and 23 whose laser beams have different wavelengths and a beam splitter 25 which guides the laser beams 22 and 24 of both the optical units 21 and 23 onto a same optical axis are mounted on the carriage 41 of an optical pickup. Carriage reinforcing ribs 41a and 41b are formed on the laser beam emission sides of the respective semiconductor lasers of the optical units 21 and 23. The one rib 41a is formed on the upper surface of the carriage 41 and the other rib 41b is formed on the lower surface of the carriage 41.

5. 发明专利

JPH10177734A OPTICAL PICKUP 失效
公开(公告)号：JPH10177734A
公开(公告)日：1998-06-30
申请号：JP33535696
申请日：1996-12-16
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOJIMA KOKI , HARUGUCHI TAKASHI
IPC分类号： G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide a thin optical pickup. SOLUTION: This optical pickup is constituted of an optical unit 1, a reflection means 2 reflecting irradiation light from the optical unit 1 so as to become vertical to a recording surface 4r of an optical recording medium 4 and a condenser lens 3 focusing the irradiation light on the recording surface 4r of the optical recording medium 4, and the reflection means 2 is constituted so as to provide a slope part 2t constituting the same plane nearly continuous to a bottom surface 5 of a carriage.

6. 发明专利

JPH05342622A 失效
公开(公告)号：JPH05342622A
公开(公告)日：1993-12-24
申请号：JP15035592
申请日：1992-06-10
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SOEEDA YOSHINOBU , MATSUBA HIROYUKI , HARUGUCHI TAKASHI
IPC分类号： G11B7/09 , G11B7/135
摘要： PURPOSE:To enable accessing at a high speed by constituting the optical pickup so that a hole housing a reflecting mirror is provided in an object lens holder and the object lens holder can move to a position where the holder shades the light path from an optical section. CONSTITUTION:A object lens 9, a focus coil 10, and a tracking coil 1 are attached to a object lens holder 8, and held by a shaft 5. And a reflecting mirror 4 is arranged in a reflecting mirror side of the object lens holder 8, also a hole 12 is formed so as not to make the object lens holder 8 come into contact with the reflecting mirror 4 even if tracking operation is performed. By using this constitution, the object lens holder can be withdrawn to a position where light path from a fixed optical section is shaded by it at the time of withdrawing, and driving at the position lower than conventional driving position can be performed without shading light path in ordinary driving state. Therefore, accessing at a high speed is attained and the optical pickup can be made to be a thin type.

7. 发明专利

JPH04307447A MAGNETO-OPTICAL DISK DEVICE 失效
公开(公告)号：JPH04307447A
公开(公告)日：1992-10-29
申请号：JP7098391
申请日：1991-04-03
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HARUGUCHI TAKASHI
IPC分类号： G11B11/10 , G11B11/105
摘要： PURPOSE:To provide a magnetic field generator suitable for the thickness reduction of the magneto-optical device. CONSTITUTION:A magnetomotive force generating part 15 is provided on the outer periphery exclusive of the upper and lower regions inclusive of the disk when viewed from the rotating axis 3b direction of a turn table 3a in the process of inserting a cartridge 5 to a body 8 of the device and 1st, 2nd yokes 17 of a thin type inducing magnetic fluxes onto the disk 1 from the magnetomotive force generating part 15 is provided.

8. 发明专利

JPH0443059A PRINTER 失效
公开(公告)号：JPH0443059A
公开(公告)日：1992-02-13
申请号：JP15190590
申请日：1990-06-11
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OTSUBO KAZUMI , HORINOUCHI SHOGO , MIYAZONO YUTAKA , TERAJIMA YUJI , HARUGUCHI TAKASHI
IPC分类号： B41J15/04 , B41J29/08
摘要： PURPOSE:To easily feed paper without damaging soundproof effect by forming a guide member guiding the paper supplied from an opening part to the gap between a soundproof wall and a paper stand to a soundproof cover. CONSTITUTION:A paper stand 4 has the rib 4b crossing a paper feed route and the chevron-shape rib 4b having an apex at the end part of the rib 4a and extending to the upper and lower ends thereof formed to the surface opposed to a paper stand 3 thereof. A gap capable of permitting paper to pass is formed between the rib 4a and the opposed part of the rib 4a of the paper stand. In the printer thus constituted, since sound is isolated by the size of the end part of the rib 4a and that of the rib 4a of the paper stand, soundproof effect is not lowered even when a paper supply and discharge port 4c is widened.

9. 发明专利

JPH0439080A PRINTER 失效
公开(公告)号：JPH0439080A
公开(公告)日：1992-02-10
申请号：JP14565590
申请日：1990-06-04
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TERAJIMA YUJI , HORINOUCHI SHOGO , MIYAZONO YUTAKA , HARUGUCHI TAKASHI , OTSUBO KAZUMI
IPC分类号： B41J11/00 , B41J13/10 , B41J29/08
摘要： PURPOSE:To reduce noise by eliminating the leakage of printing sound to a paper feed port by providing the shielding plate separating the space on the side of a printing head and the space on the side of the paper feed port, across a platen, between both end surfaces of the platen and side plates. CONSTITUTION:Both end parts 7a, 7b of a paper separator 7 used as a shielding plate are extended downwardly so as to isolate a printing head 1 from the direction of a platen 4 with respect to the cylindrical space generated between the both end small diameter parts of the platen 4 and side plates 6a, 6b. The collision sound generated by the collision of a printing wire with the platen 4 at the time of the printing operation of the printing head 1 is prevented from flowing to the rear direction of the platen by both ends parts 7a, 7b of the paper separator and the central part 4C of the platen and, therefore, the noise leaking to the outside is largely reduced.

10. 发明专利

JPH0429872A PRINTER 失效
公开(公告)号：JPH0429872A
公开(公告)日：1992-01-31
申请号：JP13593090
申请日：1990-05-25
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TERAJIMA YUJI , HORINOUCHI SHOGO , MIYAZONO YUTAKA , HARUGUCHI TAKASHI , OTSUBO KAZUMI
IPC分类号： B41J13/02 , B41J29/08
摘要： PURPOSE:To prevent the printing sound of a printing head from being leaked outside a case and to lower a noise level outside the case by providing a soundproof wall which is slidably supported by a support member, rotatably held at a support part, pressed by a pressing means against a member for depressing a printing medium on a platen, and pressed against the case at the end part thereof. CONSTITUTION:At the time of a printing action, a paper presser roller 13 is positioned on an operation position. A flap 16 is so pressed by a spring 17 that one end is pressed toward the paper presser roller 13 and the other end is pressed toward an upper cover 21. In the structure, the upper surface of a printing head 1 is sealed by an outer cover 14, the upper cover 21, the flap 16, the paper presser roller 13, and a platen 2 without preventing a recording paper feed action. Recording paper 3 is guided by the flap 16 at the time of the insertion action of the recording paper 3, thus never abutting against the upper cover 21 and generating a trouble. Furthermore, a printing sound generated by the impact of the printing wire of the printing head 1 against the platen 2 hardly leaks outside the outer case 14 and the upper cover 21 because the upper part of the printing head 1 is sealed. Therefore, the noise level outside printer is greatly reduced.

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