公开(公告)号：JP2004336875A

公开(公告)日：2004-11-25

申请号：JP2003128995

申请日：2003-05-07

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KYODO YASUMASA ,  HAYASHI TOSHIRO ,  KOBAYASHI HIROSHI ,  NORO MASAHIKO ,  YAMAUCHI KAZUHIRO

IPC: H02N2/00

Abstract: PROBLEM TO BE SOLVED: To offer a drive unit for an ultrasonic motor, which properly copes with changes in phase conditions and change in resonance frequency, in a simple constitution and also is advantageous to achieve the facilitation of manufacture and the cost reduction by reducing the count of parts used, and to provide a drive method. SOLUTION: This driver for an ultrasonic motor is equipped with a vibrator 103, which vibrates by the supply of AC voltage and a mobile object 105 which moves by the vibration of this vibrator 103. This driver is equipped with a boosting drive means 2 which boosts AC voltage to be given to the vibrator 103, a resistor VR12 which detects the voltage level of AC voltage with specified threshold and outputs it, and a monomultivibrator IC11 which generates a specified time width of pulse signal with required oscillation frequency, on the basis of a trigger signal and feeds it back to a transistor Tr1 of the boosting drive means so as to make it self-oscillate, thereby vibrating the vibrator 103. COPYRIGHT: (C)2005,JPO&NCIPI

公开(公告)号：JPH11308895A

公开(公告)日：1999-11-05

申请号：JP11331398

申请日：1998-04-23

Applicant: SONY CORP

Inventor： NORO MASAHIKO ,  KUMAGAI ATSUHIRO ,  SAKAMA MITSUNORI

IPC: G11B21/02 ,  G11B21/08 ,  H02P8/14

Abstract: PROBLEM TO BE SOLVED: To provide a drive controller for stepping motor which can-transfer at a high speed a body to be driven to a target position on a body to which the body is to be transferred, even when the self-starting frequency of the body to be driven is low at the starting time. SOLUTION: A stepping motor 16 which transfers a carriage 14A mounted with a magnetic head 14 transfers the magnetic head 14 to a target position on a floppy disk 17, when a drive pulse having a prescribed duty ratio is supplied to the motor 16. When the magnetic head 14 is accelerated, a drive circuit 6 shortens the supplying period of the drive pulse having the prescribed duty ratio, and when the head 14 is decelerated, the circuit 6 prolongs the supplying period of the drive pulse. Therefore, the magnetic head 14 can be positioned to the target position on the floppy disk 17 with good accuracy in a short time, because the head 14 is accelerated when the drive pulse is impressed upon the head 14 in the short period after the head 14 has started to run and decelerated, when the drive pulse is impressed with a long period, while the head 14 is run at a high speed.

公开(公告)号：JPH11273291A

公开(公告)日：1999-10-08

申请号：JP7589298

申请日：1998-03-24

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KUMAGAI ATSUHIRO ,  NORO MASAHIKO ,  SAKAMA MITSUNORI ,  UENO KATSUHIKO

IPC: G11B23/00 ,  G11B23/03

Abstract: PROBLEM TO BE SOLVED: To provide a chucking mechanism for a disk cartridge by which the disk cartridge can be made small in size and thin in thickness.
SOLUTION: A chucking plate 16 is attached to a supporting shaft 17 projecting from the rear surface of an upper half of a cartridge casing 1, and the chucking area 3a of the disk 3 to be loaded/unloaded to/from the cartridge casing 1 is made to the area enlarged in the smaller radial direction from the area being specified, and also a recessed surface part 19a for evading the supporting shaft 17 of the chucking plate 16 is formed on the side of magnetically attracting surface of a turntable 19 by which a chucking plate 16 is magnetically attracted to clamp and hold the disk 3.
COPYRIGHT: (C)1999,JPO

Abstract translation: 要解决的问题：提供一种用于盘盒的卡盘机构，通过该卡盘机构可以使盘盒的尺寸变小并且薄型化。 解决方案：夹持板16附接到从盒壳体1的上半部的后表面突出的支撑轴17，并且将从盘盒1装载/卸载的盘3的夹持区域3a是 由指定区域向较小径向扩大的区域形成，并且在转台19的磁吸引面的一侧形成用于避开卡盘板16的支撑轴17的凹面部19a， 夹持板16被磁吸引以夹持并保持盘3。

公开(公告)号：JPH03211418A

公开(公告)日：1991-09-17

申请号：JP735390

申请日：1990-01-17

Applicant: SONY CORP

Inventor： SETO HIDEKAZU ,  NORO MASAHIKO ,  OTA KEIICHI

IPC: G01D5/36

Abstract: PURPOSE:To obtain excellent position detection accuracy without narrowing down the intervals between a scale and a reticle so much by using a spot light source as a light source and specifying the gap between the scale and reticle. CONSTITUTION:The position sensor for a magnetic head is constituted by arranging the reticle RC which has light transmission parts (a) - (d) and the scale SC which has plural slits SL between the light source 9 and photodetectors 5 - 8. Then the spot light source is used as the light source 9 to collimate all irradiation light into parallel light and the gap R between the scale SC and reticle RC is set nearly to P /4lambda, where lambda is the wavelength of the light source and P is the pitch of the light transmission parts of the scale SC. Consequently, each position detection output hardly become dull and the excellent detection accuracy is obtained without narrowing down the gap between the scale SC and reticle RC to current 20mum.

公开(公告)号：JP2002081501A

公开(公告)日：2002-03-22

申请号：JP2000266644

申请日：2000-09-04

Applicant: TOYODA GOSEI KK ,  SONY CORP

Inventor： TOYODA MINORU ,  SUZUKI TATSUO ,  KOBAYASHI HIROSHI ,  NORO MASAHIKO

IPC: F16F15/08 ,  F16F15/02

Abstract: PROBLEM TO BE SOLVED: To provide a vibration control device capable of easily setting a resonance frequency, simplifying a structure, being used in any attitude, and providing a vibration damping effect and stopper function to vibration inputs in multiple directions. SOLUTION: Cylindrical vibration control rubber bodies 3 are installed projectedly on the side face of a supported body 2, and the tip part thereof is inserted into a tubular bracket 4 fixed to a base body 1. The vibration control rubber bodies 3 are held on the tubular bracket 4 displaceably relative to each other in axial direction, and the displacement thereof to the base end side is restricted by a flange 32 provided at the tip part thereof. Therefore, a spring characteristic can be developed only in a tension direction. Thus, the supported body 2 is supported by the plurality of vibration control rubber bodies 3 and, even when the vibration control device is placed vertically, the resonance frequency can be set easily to increase a vibration control effect.

公开(公告)号：JPH11328899A

公开(公告)日：1999-11-30

申请号：JP13221898

申请日：1998-05-14

Applicant: SONY CORP

Inventor： NORO MASAHIKO

IPC: G11B23/00

Abstract: PROBLEM TO BE SOLVED: To decrease the number of parts without having a shutter and to reduce a cost by attachably and detachably holding a disk in a non-hermetic state in which a recording surface is largely exposed, locking the disk in a holding state and unlocking the disk by operation from outside. SOLUTION: An auxiliary implement 10 consists of a pocket structure which inserts and holds the optical disk 1 along a guide groove disposed therein without allowing its recording surface into contact with the auxiliary implement 10. The portion of the auxiliary implement 10 corresponding to the central part of the optical disk 1 is provided with a clamper housing part 11 in which a clamper is housed. The desired optical disk 1 is taken out of the disks collectively stored in separate cases just before use and is held at the auxiliary implement 10. The auxiliary implement 10 is inserted in this state into the insertion port 21 of a recording and reproducing device 20. A loading mechanism retracts the auxiliary implement 10 and places the central part of the optical disk 1 onto a turntable. At this time, the central part of the optical disk 1 is clamped to the turntable by the clamper.

公开(公告)号：JPS6453304A

公开(公告)日：1989-03-01

申请号：JP21086687

申请日：1987-08-25

Applicant: SONY CORP

Inventor： GOTO SATORU ,  NORO MASAHIKO

IPC: G11B5/09 ,  G11B5/00 ,  G11B5/035 ,  G11B5/48

Abstract: PURPOSE:To improve serviceability by setting the constant of each magnetic head at the optimum value, by connecting a damping resistor corresponding to the magnetic head. CONSTITUTION:The damping resistors 17 and 18 consisting of outfitting components are connected to an IC 10 which constitutes a recording and reproduction circuit. Those resistors 17 and 18 constitute the damping resistors for read and write, respectively. Furthermore, it is constituted so that the damping resistors 21 and 22 can be connected to the magnetic heads 21 and 22. Those resistors 21 and 22 are mounted on a head carriage 15 side. In other words, by switching change-over switches 24, 25, and 26, the damping resistor 21 on the head carriage 15 side is connected in parallel with the damping resistor 17 for read, or in parallel with the damping resistor 18 for write. In such a way, it is possible to use the magnetic head being arranged oppositely to a recording medium with the optimum constant, and to improve the serviceability.

公开(公告)号：JP2004266983A

公开(公告)日：2004-09-24

申请号：JP2003057708

申请日：2003-03-04

Applicant: Sony Corp ,  ソニー株式会社

Inventor： YAMAUCHI KAZUHIRO ,  NORO MASAHIKO ,  KOBAYASHI HIROSHI ,  KYODO YASUMASA ,  ETO KIICHI

IPC: G11B21/02 ,  H02N2/00

Abstract: PROBLEM TO BE SOLVED: To improve a bonding strength between a vibrator and an elastic body, and to improve transfer characteristics of vibrations generated by a vibrating member. SOLUTION: This driving gear is provided with a mounting block 32 on which an optical pickup 8 is mounted, a guide shaft 33 that supports the mounting block 32 movably, and a vibrating member 44. A first electrode 63 and a second electrode 64 are provided on each surface of a piezoelectric element 62 of this vibrating member 44. AC voltages of different phases are impressed to the first electrode 63 and the second electrode 64 to make the piezoelectric element 62 expand and contract. The vibrating member 44 makes a sliding portion 65, which contacts the mounting block 32, move roughly elliptically in such a way that it gets close to and apart from a contact surface 32a of the mounting block 32. The sliding portion 65 is structured by soldering the elastic body 65a on a soldered portion 65c of the piezoelectric element 62. COPYRIGHT: (C)2004,JPO&NCIPI

Abstract translation: 要解决的问题：提高振动器和弹性体之间的接合强度，并提高由振动构件产生的振动的传递特性。 解决方案：该驱动齿轮设置有安装有光拾取器8的安装块32，可移动地支撑安装块32的引导轴33和振动构件44.第一电极63和第二电极 64设置在该振动部件44的压电元件62的各表面上。不同相的交流电压施加到第一电极63和第二电极64，以使压电元件62膨胀和收缩。 振动部件44使接触安装块32的滑动部65大致椭圆形地移动，使其靠近和远离安装块32的接触面32a。滑动部65由焊接构成 压电元件62的焊接部分65c上的弹性体65a。版权所有（C）2004，JPO＆NCIPI

公开(公告)号：JPH11353758A

公开(公告)日：1999-12-24

申请号：JP15327898

申请日：1998-06-02

Applicant: SONY CORP ,  TEAC CORP

Inventor： SAKAMA MITSUNORI ,  KUMAGAI ATSUHIRO ,  NORO MASAHIKO ,  TAKEMOTO TAKASHI

IPC: G11B17/043 ,  G11B17/04

Abstract: PROBLEM TO BE SOLVED: To miniaturize a magnetic disk device, and to save an installation space thereof. SOLUTION: In a magnetic disk device 11, a disk holder 12 in which a disk cartridge is inserted and a slider 13 slid back and forth to raise/lower the disk holder 12 are fixed on a frame 14 in an overlapped state. In the upper surface rear part of the disk holder 12, a latching mechanism 36 is provided for latching the slider 13. This latching mechanism 36 is provided with a latch lever 38 freely rotatably supported on the upper surface to the disk holder 12, a coil spring 39 for rotary-pressing the latch lever 39 counterclockwise, and a cam part 46 provided in the ceiling plate 13a of the slider 13. Thus, the necessity of providing any cam parts in the rear part of the latch lever 38 is eliminated, space in the rear side is reduced, and the device is miniaturized and its installation space is saved.

公开(公告)号：JPH11260016A

公开(公告)日：1999-09-24

申请号：JP6336798

申请日：1998-03-13

Applicant: SONY CORP

Inventor： KUMAGAI ATSUHIRO ,  NORO MASAHIKO ,  SAKAMA MITSUNORI ,  UENO KATSUHIKO

IPC: G11B23/03 ,  G11B23/023

Abstract: PROBLEM TO BE SOLVED: To ensure a disk entrance/exit opening and reduce a size of a cartridge casing by disposing the disk entrance/exit opening along two sides adjacent to one corner portion of the cartridge casing and a cover body capable of opening and closing the disk entrance/exist opening. SOLUTION: Along two sides adjacent to one corner portion of a cartridge casing 1 provided by combining upper and lower halves, a disk entrance/exit opening 2 is provided so that a disk 3 allows to enter and exit therethrough. The disk entrance/exit opening 2 has such a shape that the corner portion is cut away in an arc shape along a disk shape, and is closed when a cover body 4 is attached while being opened when the cover body 4 is detached. When the cover body 4 is to be attached, engaging projections 5 of the cover body 4 are aligned to receiving concave portions 6 at opposite ends of the disk entrance/exit, opening 2 to be inserted therein, and a locking pawl 10 is engaged with a hole 12, thereby completing attachment of the cover body 4. When the cover body 4 is to be detached, a holding surface 11 is pressed both upward and downward to deform a locking plate 9 thereby detaching the locking pawl 10 from the hole 12. Thus, the cover body 4 is pulled away to be detached, so that the disk entrance/exit opening 2 is opened, thereby enabling a disk to be inserted or ejected.