公开(公告)号：JPH08248291A

公开(公告)日：1996-09-27

申请号：JP7825895

申请日：1995-03-09

Applicant: SONY CORP

Inventor： OSHIMA EIJI ,  SAKAMOTO SATOSHI ,  KAWAMURA HIROSHI

IPC: G02B7/04 ,  G02B7/10

Abstract: PURPOSE: To make the moving range of a movable lens such as a zoom lens or a focusing lens wider relative to dimension in an optical axis direction. CONSTITUTION: This lens barrel 1 is equipped with optical parts 2 fixed in a movable lens barrel 8 out of the lens barrel 1, the zoom lens 3 slidably supported in the lens barrel 1 so as to separate from/contact with the optical parts 2, and linear motors 31, 32, 33 and 34 for moving the zoom lens 3. The motors 31 to 34 moving the zoom lens 3 are positioned outside the optical parts 2 in the case they are viewed from an optical axis direction, and the coil 31 of the motor is attached to the lens holder 30 of the zoom lens 3 and protruded toward the optical parts 2 side from the zoom lens 3 in the optical axis direction.

公开(公告)号：JPH07318864A

公开(公告)日：1995-12-08

申请号：JP12984994

申请日：1994-05-20

Applicant: SONY CORP

Inventor： OSHIMA EIJI ,  TANAKA KAZUHIRO ,  KAWAMURA HIROSHI

IPC: G03B17/00 ,  G02B27/64 ,  G03B5/00

Abstract: PURPOSE:To prevent the generation of eroneous detection on the respective positions by correcting hand shake in the vertical direction by so-called an ABS system and in the horizontal direction by so-called a gimbal system. CONSTITUTION:When hand shake in the vertical direction is generated, angle data detected by a hand shake amount arithmetic circuit 38V is compared with the position data of a correcting convex lens 5 obtained by a position sensor 18 in a position control circuit 39V for the correcting lens, the amount of angle to be corrected is detected, the correction data are outputted to a lens driving means 7, the correcting convex lens 5 is moved in the vertical direction and the optical axis is corrected. When hand shake in the horizontal direction is generated, the angle data are compared with the position data of a lens barrel 14 obtained by an angle position sensor 34, the amount of angle to be corrected is detected, the correction data are outputted to a barrel driving means 22, the lens barrel 14 is rotated in the horizontal direction and the optical axis is corrected.

公开(公告)号：JPH07244234A

公开(公告)日：1995-09-19

申请号：JP5984694

申请日：1994-03-07

Applicant: SONY CORP

Inventor： OSHIMA EIJI ,  SAKAMOTO SATOSHI ,  KAWAMURA HIROSHI ,  ORIMO SHINICHI

IPC: G02B7/04 ,  G02B7/08 ,  H04N5/232

Abstract: PURPOSE:To make the structure simple, to make the assembling work easy and to reduce the cost. CONSTITUTION:Notches 11, 11, 12 and 12 extending parallel with supporting shafts 5 are respectively formed at the parts of an inside yoke 10 and an outside yoke 8 opposed to the supporting shafts 5, and the coupling pieces 18 and 18 of a movable member 4 are projected to the outside of a yoke frame body 6 through the notches 11, 11, 12 and 12 of the yokes 10 and 8, and a bearing block 19 and a shaft guide part 22 are formed at one tip part and the other tip part of the coupling piece 18, respectively. The bearing block 19 is supported to be freely slidably by one supporting shaft 5 of a lens barrel and the shaft guide part 22 is engaged freely slidably with the other supporting shaft 5. tapless coil 15 and a coil bobbin 14 are positioned in magnetic field, and a lens 17 and a lens holder 16 are positioned inside the yoke 10.

公开(公告)号：JPH055926A

公开(公告)日：1993-01-14

申请号：JP15908791

申请日：1991-06-28

Applicant: SONY CORP

Inventor： MORO SHUJI ,  TADA KANEHIRO ,  NISHIDA YASUO ,  OSHIMA EIJI

IPC: G03B9/02 ,  G03B9/06

Abstract: PURPOSE:To improve the resolution of an F value even at the time of a small stopping value and to improve AF control performance by rotating a 2nd lever with an IG meter and transmitting the rotating operation to a 1st lever through an engaging pin and a long hole to open/close blades. CONSTITUTION:The 2nd lever 17 is rotated by driving the IG meter 5 and its rotating operation is transmitted to the 1st level 9 through the engaging pin 17B and the long hole 9D. The lever 9 is rotated around a rotational spindle 11 and transmits its rotating operation to the blade 13 through an engaging pin 9B and a long hole 13A and to a blade 15 through an engaging pin 9C and a long hole 15A. Thereby the blades 13, 15 are moved in the X and Y directions. When the lever 17 is arranged on the broken line L side, the moving variables of the blades 13, 15 are small even when the rotational angle of the lever 17 is a fixed angle. An iris opening/closing variable detected by a hole element is converted from an angle into a voltage, an output proportional to the size of the angle is generated, and even when the moving variables of the blades 13, 15 are small, the rotational angle is increased. Thus, the voltage output from the hole element is increased.

公开(公告)号：JPH0266761A

公开(公告)日：1990-03-06

申请号：JP21668088

申请日：1988-08-31

Applicant: SONY CORP

Inventor： OSHIMA EIJI ,  TSUYAMA MANABU ,  MAMIYA TOSHIO ,  YOSHIDA HIDEJI

IPC: G11B15/32 ,  G11B15/22 ,  G11B15/675

Abstract: PURPOSE:To eliminate sag due to an unnecessary rotation and to prevent the damage of a tape by sliding the projecting part for rotation communication with spring force in a discharging direction at the time of discharging a cassette and keeping the engaging condition with a recessed part until a reel is locked. CONSTITUTION:When the phase of a recessed part 105 of a reel 102 and a projecting part 5 of a shaft part 4 is dislocated at the time of installing a tape cassette 101, a projecting part 105 and the projecting part 5 are abutted, the projecting part 5 is pushed down while a spring 6 is compressed, the projecting part 5 is rotated on an inclined surface 13 of projecting parts 104 and 5 and the position with a recessed part 104 is matched. When the recessed part 105 and the projecting part 5 are fitted, the spring 6 is compressed on the upper surface of a bearing hole 103 and the projecting part 5 is pressed down until a reel lock is released. At the time of discharging, the cassette 101 is pushed up with the spring 6, and the fitting condition of the recessed part 105 and the projected part 5 is kept untill the reel 102 is locked. Thus, the sag of the tape due to the unnecessary rotation of the reel is eliminated and the damage to the tape is prevented.

公开(公告)号：JPH0262913A

公开(公告)日：1990-03-02

申请号：JP21557788

申请日：1988-08-30

Applicant: SONY CORP

Inventor： MAMIYA TOSHIO ,  OSHIMA EIJI ,  BABA HIROMITSU ,  TSUYAMA MANABU

IPC: G01D5/245 ,  G01D5/244 ,  G11B15/093

Abstract: PURPOSE:To improve the resolution of the detection of rotation by disposing a disk where an N pole and an S pole are magnetized at intervals of specified angle opposed to a rotor. CONSTITUTION:A Hall element 6 is disposed by opposed to the magnetized part of the disk 2 and it makes an output signal from a magnetism sensitive element into a pulse every change of specified amplitude to output. The output signal from the Hall element 6 is supplied to a comparator 13 through an amplifier 7 and an A/D converter 11. Plural reference values corresponding to the output signal from the converter 11 are supplied to the comparator 13 from a table 14. In the comparator 13, the output signal from the A/D converter 11 is compared with plural reference values from the table 14. When the signal coincides with them, the pulse is outputted from the comparator 13. The pulse outputted from the comparator 13 is supplied to a counter 15 and the output signal from the counter 15 is supplied to a display circuit 9 so that the display of the counter is performed. The output signal from the counter 15 is made to pass a system control circuit 10 so as to detect the abnormality, etc., of the rotation of a reel 1. Thus, the resolution of the detection of rotation can be improved without lowering rotational torque.

公开(公告)号：JPS63175245A

公开(公告)日：1988-07-19

申请号：JP761287

申请日：1987-01-16

Applicant: SONY CORP

Inventor： OSHIMA EIJI

IPC: G11B15/093

Abstract: PURPOSE:To reduce the dimensions of a reel base in its axial line and radius directions by providing a magnet to a hysteresis plate and a magnetic sensor on the opposite side and detecting the magnetic flux of the hysteresis plate magnetized by the magnet with the magnetic sensor. CONSTITUTION:A magnet 24 is magnetized alternately in its circumferential direction and the magnetic sucking force is produced between the magnet 24 and a hysteresis plate 27. The magnet 24 is rotated with rotation of the plate 27. As a result, a reel base 17 is rotated and a reel coupled to the disk 17 via a hook pawl 20 is driven. Then a magnetic tape is taken up. The rotation of the disk 17 is detected by a magnetic sensor 30. The sensor 30 is set on the lower surface of the plate 27 and detects the leakage magnetic flux of the plate 27 which is magnetized alternately in its circumferential direction by the magnet 24. In such a constitution, the dimensions of the disk 17 can be reduced in its axial line and radius directions.

公开(公告)号：JPS61271648A

公开(公告)日：1986-12-01

申请号：JP11378185

申请日：1985-05-27

Applicant: SONY CORP

Inventor： OSHIMA EIJI ,  BABA HIROMITSU ,  KUMAGAI TAKAO

IPC: G11B15/665

Abstract: PURPOSE:To decrease the distance between a cassette and a drum by mounting the tape cassette on a moving chassis and engaging a tape reel to a reel base so as to use the moving chassis thereby approaching the cassette to a rotary head drum for loading. CONSTITUTION:The rotary head drum 18 is fitted to the upper part of a fixed chassis 17 and a supply reel base 3a and a winding reel base 3b are fitted to the upper part of the moving chassis 1. A tape cassette 71 is mounted on the chassis 1 and reels 72a, 72b are engaged with reel bases 3a, 3b, then the cassette 71 is moved and approaches the drum 18 by the chassis 1 together with the reel bases 3a, 3b. A tape 73 in the cassette 71 is drawn out and loaded to the drum 18. Thus, the distance between the tape cassette and the rotary head drum is reduced remarkably.

公开(公告)号：JP2005310367A

公开(公告)日：2005-11-04

申请号：JP2005150067

申请日：2005-05-23

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OSHIMA EIJI ,  MAMIYA TOSHIO ,  YAMADA TAKASHI ,  TAKAHASHI KAZUO ,  YAMAMOTO KAZUYUKI

IPC: G11B5/596 ,  G11B21/02 ,  G11B21/10

Abstract: PROBLEM TO BE SOLVED: To provide a head actuator in which follow-up ability of a head is made superior.
SOLUTION: The head actuator is provided with a rotating arm 6 which rotates around a pivot shaft 5 as a center, a floating slider 12 which has a magnetic head at the tip section of the rotating arm 6 through a suspension 2, a first driving section 4 which is provided on the pivot shaft side of the rotating arm to rotate the rotating arm and a second driving section 13 which is arranged on the bending type actuator side. The second driving section is mounted in the vicinity of the tip section of the rotating arm. The first and the second driving sections are constituted as voice coil motors. Highly precise tracking servo can be conducted by the second driving section.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种头部致动器，其中头部的后续能力被提高。 解决方案：头致动器设置有以枢轴5为中心旋转的旋转臂6，浮动滑块12，其通过悬架2在旋转臂6的尖端部分具有磁头， 第一驱动部4设置在旋转臂的枢轴侧以使旋转臂旋转;以及第二驱动部13，其布置在弯曲型致动器侧。 第二驱动部安装在旋转臂的前端部附近。 第一驱动部和第二驱动部构成为音圈马达。 可以通过第二驱动部进行高精度跟踪伺服。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2001351355A

公开(公告)日：2001-12-21

申请号：JP2000173889

申请日：2000-06-09

Applicant: SONY CORP

Inventor： SANADA YOTARO ,  KUSUI YOSHIO ,  OSHIMA EIJI

IPC: G11B23/03

Abstract: PROBLEM TO BE SOLVED: To provide a disk cartridge and a disk cartridge unit which prevent wide swinging at the time of the opening shutter of the disk cartridge, and can ensure shutter opening operation. SOLUTION: In the disk cartridge by which a shutter locking member 13 is kicked off to release locking by a shutter opening member 17 on the driving device side inserted in a retract groove 10 of a cartridge casing 2, and a shutter side plate 11 abutts on the shutter opening member 17 and is pushed back by it to open a butting shutter plate 7, the shutter side plate 11 is placed so as to cross the retract groove 10. The disk cartridge unit is provided with the shutter opening member 17 having a projecting part 18 by which the shutter locking member 13 is kicked off to release locking, and having a shutter pushing side 19 which collides with the shutter side plate 11 at the position retreated from the projecting part 18 to open the butting shutter plate 7.