公开(公告)号：JP2007225787A

公开(公告)日：2007-09-06

申请号：JP2006045446

申请日：2006-02-22

Applicant: Sony Corp ,  ソニー株式会社

Inventor： WAJIKI ATSUHIKO ,  YAMAMOTO KAZUTOSHI ,  TOYODA KIYOSHI ,  KATO SUKETSUGU ,  UEDA MITSUNORI

IPC: G03B21/00 ,  G02F1/13 ,  G02F1/13357 ,  H04N5/74

Abstract: PROBLEM TO BE SOLVED: To provide an image projector which has such constitution that optical components including image display elements are adhered closely to one another, then, can be made compact. SOLUTION: A light pipe 2B, an incident-side polarizer 5B, the image display element 7B and an exit-side polarizer 9B are arranged on at least one optical path among optical paths of the lights emitted from a plurality of color light sources 1A to 1C. Light pipes 1A and 1C, prisms 3A and 3C, incident-side polarizers 5A and 5C, image display elements 7A and 7C and exit-side polarizers 9A and 9C are arranged on other optical paths. By separately fixing the prisms 3A and 3C and a color compositing part 21 to pedestals, the light incident surfaces of the image display elements 5A and 5C joined to the color compositing part 21 through the exit-side polarizers are adhered closely to the light exit surfaces of the incident-side polarizers 5A and 5C integrally molded with the light exit surfaces of the prisms 3A and 3C. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种图像投影仪，其具有使包括图像显示元件的光学部件彼此紧密地附着的结构，则可以使其紧凑。 解决方案：光管2B，入射侧偏振器5B，图像显示元件7B和出射侧偏振器9B布置在从多个彩色光发出的光的光路中的至少一个光路上 来源1A至1C。 光管1A和1C，棱镜3A和3C，入射侧偏振器5A和5C，图像显示元件7A和7C以及出射侧偏振器9A和9C布置在其它光路上。 通过将棱镜3A和3C以及颜色合成部分21分开地固定到基座上，通过出射侧偏振器接合到彩色复合部分21的图像显示元件5A和5C的光入射表面紧密地粘附到光出射表面 与棱镜3A和3C的光出射表面一体模制的入射侧偏振器5A和5C。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007171551A

公开(公告)日：2007-07-05

申请号：JP2005369027

申请日：2005-12-22

Applicant: Sony Corp ,  ソニー株式会社

Inventor： UEDA MITSUNORI ,  YOSHIDA TETSUYUKI ,  YAMAMOTO KAZUTOSHI ,  OSHIMA YOSHIHIRO ,  NADA NAOJI

IPC: G02B5/30 ,  G02B5/04 ,  G02F1/1335 ,  G02F1/13357 ,  G03B21/00

Abstract: PROBLEM TO BE SOLVED: To provide a PS polarization separating and converting element which has a simple structure and a constitution for attaining miniaturization. SOLUTION: The PS polarization separating and converting element is provided with a first prism 10 and a second prism 20, wherein a bottom face 13 of the first prism 10 and a first slant 21 of the second prism are oppositely disposed via a polarization beam splitter 30, a quarter wavelength plate 31 and a first reflection mirror 32 are disposed on a second slant 12 of the first prism. An S-polarization component of light made incident from a first slant 11 of the first prism is converted into a P-polarization component via the polarization beam splitter 30, the quarter wavelength plate 31, the first reflection mirror 32, the quarter wavelength plate 31 and the polarization beam splitter 30 and is emitted from the bottom face of the second prism, and the P-polarization component made incident from the first slant 11 is emitted from the bottom face 23 of the second prism via the second slant face 22 of the second prism. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 解决的问题：提供一种PS极化分离和转换元件，其具有用于实现小型化的简单结构和结构。 解决方案：PS偏振分离转换元件设置有第一棱镜10和第二棱镜20，其中第一棱镜10的底面13和第二棱镜的第一斜面21经由极化相对地设置 分束器30，四分之一波长板31和第一反射镜32设置在第一棱镜的第二倾斜12上。 从第一棱镜的第一斜面11入射的光的S偏振分量经由偏振分束器30，四分之一波长板31，第一反射镜32，四分之一波长板31转换成P偏振分量 和偏振光束分离器30，并且从第二棱镜的底面发射，并且从第一斜面11入射的P偏振分量经由第二棱镜的第二倾斜面22从第二棱镜的底面23发射 第二棱镜。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2001143429A

公开(公告)日：2001-05-25

申请号：JP32024799

申请日：1999-11-10

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  KAKIUCHI TAKAFUMI ,  MEGURO HIROSHI ,  MAZAKI HIROSHI

IPC: G11B23/03

Abstract: PROBLEM TO BE SOLVED: To prevent foreign matters, dust, etc., from entering a cartridge main body from a center core hole. SOLUTION: An FD cartridge 4 (disk cartridge) is constituted, so that a magnetic sheet 5 (disk-like recording medium) fitted with a center core 6 at the center part is supported rotatably in a cartridge main body 11, and the center core is composed of a media core part 38 fitted in the center hole 5a of the magnetic sheet, a flange part 39 where the lower peripheral edge of the media core part is formed projecting outwardly, and a chucking part 40 projected from the reverse surface of the flange part. The cartridge main body has a center core hole 9a, in which the chucking part of the center core is loosely fitted and an outside diameter (x) of the flange part, an inside diameter (y) of the center core hole, and the outside diameter (z) of the chucking part are set so related that (x-z)/2>y-z.

公开(公告)号：JP2001143428A

公开(公告)日：2001-05-25

申请号：JP32024999

申请日：1999-11-10

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  KAKIUCHI TAKAFUMI ,  MEGURO HIROSHI

IPC: G11B23/03

Abstract: PROBLEM TO BE SOLVED: To prevent an FD cartridge from being inserted wrongly into a disk drive device and to make the disk drive device small-sized and thin by devising the shape of the FD cartridge. SOLUTION: This FD cartridge 4, which has a flexible magnetic disk 7 built in rotatably and has a shutter 13 which is provided freely slidably, so as to open and close an insertion opening part 12 formed on a cartridge main body 11, and the shutter abuts against a shutter depression projection part 93 atop of a trigger arm 78 of the disk drive device when the FD cartridge is inserted into the disk drive device 1, and slides as the trigger arm 78 rotates by the insertion of the FD cartridge to open the head insertion opening part. At the rear edge of the FD cartridge, a wrong insertion preventing recessed part 19c is formed, which engages a shutter depression projection part of the trigger arm when the FD cartridge is inserted wrongly into the disk drive device.

公开(公告)号：JP2001143420A

公开(公告)日：2001-05-25

申请号：JP32158999

申请日：1999-11-11

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  NISHIJIMA HIROAKI

IPC: G11B21/02 ,  G11B21/12

Abstract: PROBLEM TO BE SOLVED: To actualize 'soft landing' of a magnetic head on a disk-like recording medium, while making the structure simple and small-sized. SOLUTION: This disk drive device 1 is equipped with a magnetic head, which records or reproduces signals to or from a flexible magnetic disk(FD) 7 and a head arm which supports the magnetic head atop and is provided freely movably, by a linear motor part along a radius of the FD or in parallel to it, and a cantilever arm part 108c, which projects to the left is formed at the tip part of the head arm and a lifter 125 which acts on the cantilever part is provided on the track of the cantilever arm part, when the head arm is moved by the linear motor part. When the magnetic head is moved forward by the linear motor part, the lifter slides downwardly on an oblique surface for landing of the cantilever part relatively to land the head on the FD.

公开(公告)号：JP2001143417A

公开(公告)日：2001-05-25

申请号：JP32024499

申请日：1999-11-10

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  NISHIJIMA HIROAKI ,  MAZAKI HIROSHI

IPC: G11B21/12

Abstract: PROBLEM TO BE SOLVED: To make a structure simple and small-sized and to actualize the so-called 'soft landing' as to the landing of a magnetic head on a disk-like recording medium. SOLUTION: This disk drive device 1 is equipped with a magnetic head 45, which records or reproduces signals on and from a flexible magnetic disk 7 and a head arm 106 which supports the tip part of the magnetic head and is provided freely movably by a linear motor part 119 along the radius of the flexible magnetic disk or in parallel to it, and a cantilever arm part 108c which projects sideward is formed at the tip part of the head arm and a lifter 125, which acts on the cantilever arm part, is provided on the track of the cantilever arm part, when the head arm is moved by the linear motor part. An oblique surface 126d for landing is formed on the lifter and when the magnetic head is moved forward by the linear motor part, the cantilever arm part slides down on the oblique surface for landing, so as to complete the landing of the magnetic head on the flexible magnetic disk.

公开(公告)号：JP2001093270A

公开(公告)日：2001-04-06

申请号：JP26942799

申请日：1999-09-22

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  KAKIUCHI TAKAFUMI ,  MEGURO HIROSHI ,  MAZAKI HIROSHI

IPC: G11B33/12 ,  G11B17/028 ,  G11B17/043 ,  G11B23/00

Abstract: PROBLEM TO BE SOLVED: To make thin a disk driving device by devising a system for chucking a disk recording medium on the disk driving device. SOLUTION: A center core 6 made of a magnetic material is provided in the center of a flexible magnetic disk 7, a chucking recessed part 41 is formed in the center core, a chucking projecting part 74 to be engaged with the chucking recessed part of the center core is formed in the disk table 72 of a disk driving device 1, a magnet 75 is also buried therein, the chucking recessed part of the center core of the flexible magnetic disk is engaged with the chucking projecting part of the disk table, attracted by the magnet for chucking, the direction of inserting an FD cartridge 4 into the disk driving device is matched with the disk surface direction of the flexible magnetic disk, and only by the axial movement of the FD cartridge in the direction of its insertion into the disk driving device, cartridge loading and disk chucking are carried out.

公开(公告)号：JP2001093269A

公开(公告)日：2001-04-06

申请号：JP26943099

申请日：1999-09-22

Applicant: SONY CORP

Inventor： SUGASAWA MASAJI ,  YAMAMOTO KAZUTOSHI ,  MAZAKI HIROSHI

IPC: G11B33/10 ,  G11B25/04

Abstract: PROBLEM TO BE SOLVED: To effectively utilize the space of a PC card type apparatus which freely insertably and removably supports a recording medium, to enhance the performance of the PC card type apparatus and to allow the upsizing of a recording medium and a recording capacity. SOLUTION: An indicator 58 indicating that the writing or reading of data is executed to a flexible magnetic disk 7 is disposed to a portion which is a left front end 531 of a front side piece 53 of a base chassis 50 of a disk drive assembly 1, i.e., the PC card type apparatus and corresponds to a left slide piece 571 acting as a slide part when the PC card is inserted into a PC card slot 3.

公开(公告)号：JP2001093216A

公开(公告)日：2001-04-06

申请号：JP26942899

申请日：1999-09-22

Applicant: SONY CORP

Inventor： YAMAMOTO KAZUTOSHI ,  KAKIUCHI TAKAFUMI ,  MEGURO HIROSHI ,  MAZAKI HIROSHI

IPC: G11B17/043 ,  G11B17/04

Abstract: PROBLEM TO BE SOLVED: To allow cartridge loading and disk chucking by the movement of an FD cartridge only in one direction with respect to a disk drive assembly by devising the positioning in the transverse direction of the cartridge and to make the disk drive assembly smaller in size and thickness. SOLUTION: The disk drive assembly using a flexible magnetic disk 7 formed with an engaging recessed part 24 at the left side edge extending in an insertion direction with respect to the disk drive assembly 1 of the FD cartridge 4 is provided with a locking mechanism 65 having a locking pawl 97 which is engaged with the detaining recessed part described above and prohibits the removal of the FD cartridge from the disk drive assembly. The FD cartridge is pressed to a projecting part 61 for positioning formed in a position facing the disk drive assembly by the engagement of the locking pawl with the detaining recessed part of the FD cartridge.

公开(公告)号：JP2000076747A

公开(公告)日：2000-03-14

申请号：JP24240598

申请日：1998-08-28

Applicant: Sony Corp ,  ソニー株式会社

Inventor： YAMAMOTO KAZUTOSHI ,  KOBAYASHI HIROSHI

IPC: G11B15/61

Abstract: PROBLEM TO BE SOLVED: To prevent the fall-off of a tape from a tape lead due to the vibration, impact, etc., and to stabilize the running of the tape at the time right after the running of tape by providing a tape fall-off preventing means for preventing the fall-off of the magnetic tape from a tape guide means. SOLUTION: The tape fall-off preventing means 14 is formed integrally with the main body of a fixed drum 10 and provided consecutively to the outer periphery of the fixed drum 10. When it is formed by the molding using a mold, a plastics having the dimensional stability such as PPS, is used for the material, or it is provided partially in such degree that the magnetic tape 12 does not fall out from the tape lead 11. Or, the tape fall-off preventing means 14 is made out as a separate component so as to mount it on the fixed drum 10 by a screw, etc. By this arrangement, the fall-off of the tape from the tape lead is prevented when the mechanism does not operate on the tape lead provided on the fixed drum of the rotary head drum device.

Abstract translation: 要解决的问题：为了防止由于振动，冲击等引起的带子从带引线的脱落，并且通过提供带子落下来在胶带行进之后的时刻稳定带的运行 防止装置防止磁带从带引导装置脱落。 解决方案：胶带脱落防止装置14与固定鼓10的主体一体地形成，并且连续地设置在固定鼓10的外周。当通过使用模具的模制形成时，具有 尺寸稳定性如PPS，用于材料，或者部分地以使得磁带12不从带引线11脱落的程度提供。或者，带脱落防止装置14被制成 单独的部件，以便通过螺钉等将其安装在固定鼓10上。通过这种布置，当机构不在设置在固定鼓上的带导线上时，防止带从带引线脱落 的旋转磁头鼓装置。