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11. 发明专利

JP2000011576A DISK CARTRIDGE AND DISK DEVICE USING THE SAME 失效
公开(公告)号：JP2000011576A
公开(公告)日：2000-01-14
申请号：JP17691098
申请日：1998-06-24
申请人： HITACHI LTD
发明人： OKAMOTO TOMOMI , NAGAI KYUICHIRO , ONO HIROAKI , INOUE ATSUSHI
IPC分类号： G11B23/03 , G11B19/04 , G11B23/28
摘要： PROBLEM TO BE SOLVED: To improve the efficiency in the arrangement of information holding parts by changing the holding information in such a manner that at least two of the provided informations regarding a recording medium or a disk cartridge are variable and a part of them is made movable, and providing the overlapped area in the movable range of the 1st information holding part and the movable range of the 2nd information holding part. SOLUTION: The information of validity/invalidity for the disk surface is assigned to the 1st information holding parts 11a, 11b, the historical information of the disk taking out is assigned to the 2nd information holding parts 12a, 12b, the information of need/no need of the verifying operation is assigned to the 3rd information holding parts 13a, 13b, and the information of permission/unpermission of the recording is assigned to the 4th information holding parts 14a, 14b. The 1st information holding parts 11a, 11b are expressed by providing or not providing holes at the prescribed positions. The 2nd information holding parts 12a, 12b are irreversible, and when a member 17 for opening/closing a loading/unloading port is housed in a disk cartridge case 2, protrusions are arranged at the places coincident with those of the 2nd information holding parts 12a, 12b so as capable of recognizing by providing holes at the case position.

12. 发明专利

JPH11144356A DISK CARTRIDGE AND DISK DEVICE 失效
公开(公告)号：JPH11144356A
公开(公告)日：1999-05-28
申请号：JP30682297
申请日：1997-11-10
申请人： HITACHI LTD
发明人： OKAMOTO TOMOKI , INOUE ATSUSHI
IPC分类号： G11B23/03 , G11B17/04
摘要： PROBLEM TO BE SOLVED: To attain the insertion and ejection of a disk cartridge without using the energizing means such as a spring, etc., when the disk cartridge is loaded, by making a shutter move in the direction to open an opening part in such a manner that a shutter moving means is linearly moved while bringing into contact with the shutter. SOLUTION: A shutter opening/closing mechanism 6 is provided with a guide groove 5 for controlling a shutter opening/closing pin 4 or the moving direction of the shutter opening/closing pin. The shutter opening/closing pin 4 is shaped so that the tip is columnar and also a chamfer is provided on a part thereof, while a contact part 3 to be in contact with the shutter opening/closing pin, 4 is provided on the shutter 2. When the disk cartridge 1 is inserted to the disk device, the contact part 3 is brought into contact with this shutter opening/ closing pin 4, and when the disk cartridge 1 is furthermore inserted, the shutter opening/closing pin 4 and the contact part 3 are connected and not separated during the loading operation of the disk cartridge 1.

13. 发明专利

JPH09312046A RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH09312046A
公开(公告)日：1997-12-02
申请号：JP12683396
申请日：1996-05-22
申请人： HITACHI LTD
发明人： INOUE ATSUSHI , TAKEDA HIDEKAZU , MASUDA NORIAKI , YAMASHITA YOSHIHARU , OYAMA KAZUTO , ABE FUKUOKU
IPC分类号： G11B15/46
摘要： PROBLEM TO BE SOLVED: To protect a tape in the high speed running by preventing the excessive tension exerted on the tape even though whatever winding diameters are provided. SOLUTION: When the tape is run at a high speed, the winding diameter of the tape loaded on a reel base performing the take-up operation is discriminated by a winding diameter discriminating means 5. From this discrimination result and the condition of transmitting performance such as reduction ratio, etc., of a driving force transmitting means 7 and also the relation between the rotating speed of the single reel base and the reel torque, the target of the rotating speed change of the reel is set, and from this set value, the target of the rotating speed change of a capstan, which is a driving force, is set, then the control is successively carried out.

14. 发明专利

JPH09312045A MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH09312045A
公开(公告)日：1997-12-02
申请号：JP12683496
申请日：1996-05-22
申请人： HITACHI LTD
发明人： ABE FUKUOKU , MASUDA NORIAKI , TAKEDA HIDEKAZU , INOUE ATSUSHI , FUJIMORI SHINYA , OYAMA KAZUTO , INABA YUJI
IPC分类号： G11B15/28
摘要： PROBLEM TO BE SOLVED: To provide a device capable of keeping the sound gentle through avoiding the resonance of a cassette by specifying the reference rotating frequency and torque ripple frequency of a capstan motor. SOLUTION: The tape cassette 1 is arranged at a given position so that the parts (a) are depressed by a cassette loading means. The tape 2 drawn out from the tape cassette 1 is guided by tape guides 3, 5, 6, 10. Tilt pins 7, 9 are tilted against the tape guides 3, 5, 6, 10, and the tape 2 is thereby helically wound at a prescribed angle against a rotary drum device 8. The tension of the tape 2 is controlled by a TV 3 to a predetermined value. The tape 2 is inserted between a driving shaft of the capstan motor 11 and a pinch-roller 12 then forwarded at a constant speed by the rotation of the capstan motor 11.

15. 发明专利

JPH09289789A MOTOR DRIVER CIRCUIT FOR RECORDING REPRODUCER 失效
公开(公告)号：JPH09289789A
公开(公告)日：1997-11-04
申请号：JP10088296
申请日：1996-04-23
申请人： HITACHI LTD
发明人： TAKEDA HIDEKAZU , MASUDA NORIAKI , ABE FUKUOKU , INOUE ATSUSHI , INABA YUJI , UEDA MASASHI , FUJIMORI SHINYA
IPC分类号： G11B15/46 , H02P6/10
摘要： PROBLEM TO BE SOLVED: To reduce vibrations and noises at the time of revolution at high speed and rotational unevenness at the time of revolution at low speed, by changing over an amplification factor by the information of a comparator means and optimizing an output from a rotor-position detecting means. SOLUTION: A rotor is rotated by successively changing over conduction through a three-phase coil by a motor driving IC 9 in a capstan motor 8, and an output Vh from a Hall element is amplified by an amplifier circuit 10 and fed back to the motor driving IC 9. A comparator circuit 11 compares the magnitude relationship of motor driving control voltage Vm and reference voltage Vo, and outputs the information of Vm>Vo at the time of revolution at high speed and the information of Vm

16. 发明专利

JPH0944561A DEVICE AND METHOD FOR SUPPORTING CONFERENCE 失效
公开(公告)号：JPH0944561A
公开(公告)日：1997-02-14
申请号：JP19727995
申请日：1995-08-02
申请人： HITACHI LTD
发明人： ISHIDA TOMOTOSHI , INOUE ATSUSHI
IPC分类号： G06Q10/06 , G06Q10/00 , G06Q10/10 , G06Q50/00 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To make it easy to set a conference and store conference materials, to easily prepare various materials and documents, and to eliminate a mistake by retrieving data recorded in a conference memory or material memory according to a user's indication. SOLUTION: A conference setting device 203 use conference modeled data recorded in a conference modeled memory 101, edits conference data as data related to the conference according to the user's indication, and records the result in the conference memory 102. The requester generates materials according to material generation request data which are included in conference holding guidance data or sent separately and a material generating device 209 records the data in the material memory 103. A conference retrieval device 202 and a material retrieval device 208 retrieve conference data and material data meeting retrieval conditions that the user specifies respectively from the conference memory 102 where plural conference data are recorded and the material memory 103 where plural material data are recorded, respectively.

17. 发明专利

JPH08263900A RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH08263900A
公开(公告)日：1996-10-11
申请号：JP6957695
申请日：1995-03-28
申请人： HITACHI LTD
发明人： TAKEDA HIDEKAZU , FUJIMORI SHINYA , MASUDA NORIAKI , INOUE ATSUSHI , ABE FUKUOKU , ICHIKAWA TAKASHI , UEDA MASASHI , YAMASHITA YOSHIHARU , KODAMA KAZUYUKI
IPC分类号： G11B15/61
摘要： PURPOSE: To assure linearity for reading by reducing a force applied to a drum by a screw fastening force of a drum base of a recording and reproducing device and preventing the deformation of the drum. CONSTITUTION: The depth L1 of a drum mounting surface 7 formed in a drum base 15, on which a drum is mounted, is set equal to below 1/2 of the outer diameter (d) of a screw for fixing the drum and arranged outside the center line of a screw hole as an offset. Further, the drum mounting surface 7 is arranged in both sides of a screw hole 16 sandwiching the same.

18. 发明专利

JPH08203260A RECORDING/REPRODUCING APPARATUS 失效
公开(公告)号：JPH08203260A
公开(公告)日：1996-08-09
申请号：JP952495
申请日：1995-01-25
申请人： HITACHI LTD
发明人： INOUE ATSUSHI , MASUDA NORIAKI , TAKEDA HIDEKAZU , ONO MASAHARU , MASUOKA NOBUO , KATONO NOBORU
IPC分类号： G11B33/12
摘要： PURPOSE: To reduce the total member of parts such as boards, mounting members, connection wires, etc., by arranging a mechanism-driving means, an operation-controlling means and a signal-processing means on the same substrate. CONSTITUTION: A drum base 2, a capstan motor 3, a tape guide 7, supporting members 4, 5, 6, 8, 16, 18, electric circuit chips 11, 12, 13, 14 such as a microcomputer or the like, etc., are arranged on a substrate 1. These operation-controlling means and the signal-processing means 3 are set at positions not to obstruct the operating state of a mechanism-driving means. A wiring pattern for these parts is formed on the substrate 1 and then, the microcomputer and chips, etc., are fixed by soldering. The mechanism-driving means is subsequently fixed by soldering on the substrate 1.

19. 发明专利

JPH03295061A TAPE LOADING DEVICE IN MAGNETIC RECORDING/REPRODUCING DEVICE 失效
公开(公告)号：JPH03295061A
公开(公告)日：1991-12-26
申请号：JP9643190
申请日：1990-04-13
申请人： HITACHI LTD
发明人： INOUE ATSUSHI , KAKU NOBUYUKI , INAGAKI YASUO
IPC分类号： G11B15/665
摘要： PURPOSE:To prevent the tape from sagging and falling off by varying a driving signal of a loading motor and a back tension adding reel motor in accordance with an output of an operation phase detector of a tape loading mechanism. CONSTITUTION:When a tape is loading command is received, a loading phase is calculated, based on an output of a potentiometer 103 at the time of receiving an output signal of an unloading completion sensor 102 as a reference. Subsequently, in accordance with its value, a control signal is sent to supply and take-up reel motors 104, 105 so as to add back tension, and also, a prescribed driving control signal is sent to a loading motor 106. Also, when a tape unloading signal is received, an unloading phase is calculated, based on an output value of the potentiometer 103 at the time of receiving an output of a loading completion sensor 101 as a reference, and the above each control signal corresponding thereto is sent out.

20. 发明专利

JPH0344856A TAPE LOADING MECHANISM FOR MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH0344856A
公开(公告)日：1991-02-26
申请号：JP17792289
申请日：1989-07-12
申请人： HITACHI LTD
发明人： INOUE ATSUSHI , KAKU NOBUYUKI , NIGUCHI YASUYUKI , INUI MASAAKI
IPC分类号： G11B15/43 , G11B15/665
摘要： PURPOSE:To prevent damage from being generated in a tape during tape loading by changing torque to be applied to each reel driving motor. CONSTITUTION:At the time of loading a tape, when the rotating directions of respective supply side and take-up side reels 2 and 3 to be detected by means, which respectively detects the rotating directions of the reels 2 and 3 in a cassette 1, are same as the direction of the torque applied to the respective reels 2 and 3, the torque to be applied to the respective reels 2 and 3 is changed by a means to set the torque to be applied to the respective reels 2 and 3 and the both respective reels 2 and 3 are always rotated reversely to the direction of the applying torque. Thus, in the tape loading operation, the tape to be pulled out from the inside of the cassette 1 is not traveled only in one direction and the damage to the tape can be prevented.

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