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11. 发明专利

JPH0644541A MAGNETIC HEAD ADJUSTING MECHANISM 失效
公开(公告)号：JPH0644541A
公开(公告)日：1994-02-18
申请号：JP28756291
申请日：1991-11-01
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST
发明人： KATONO NOBORU , FUKUDA KOJI
IPC分类号： G11B5/56
摘要： PURPOSE:To make it difficult to generate an azimuth loss by making the form of a rotary guide hole abutted on an axial force holding member the one of specified dimension. CONSTITUTION:A magnetic tape 7 pulled out from a cassette 8 is wound on a rotary head cylinder 6 at a specified angle, held between a pintch roller 9 and a capstan 10 touching a magnetic head 3 and rewound in the cassette 8 at a specified speed. A rotative member 2 mounted with the magnetic head 3 is attached to a spindle 4 provided on a substrate 11 rotatably around the spindle 4. The inner diameter Y in a direction almost incident with a magnetic tape carrying one of a rotary guide hole 2c is formed slightly smaller than the inner direction X of almost normal direction against the magnetic tape carrying direction. Thus, since the rotary guide hole 2c is not made a complete roundness and difficult to incline in the carrying direction of the magnetic tape 7, the generation of the azimuth loss is made difficult.

12. 发明专利

JPH0610896B2 失效
公开(公告)号：JPH0610896B2
公开(公告)日：1994-02-09
申请号：JP12880189
申请日：1989-05-24
申请人： HITACHI LTD
发明人： YOSHIDA MASASHI , KATONO NOBORU , YOKOTA HAJIME , OKAYAMA MASAO
IPC分类号： G11B15/44

13. 发明专利

JPH05109027A ROTARY MAGNETIC HEAD CLEANING DEVICE IN MAGNETIC RECORDING AND REPLAY APPARATUS 失效
公开(公告)号：JPH05109027A
公开(公告)日：1993-04-30
申请号：JP29756291
申请日：1991-10-18
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST
发明人： HASHIGUCHI YASUHIRO , KATONO NOBORU , FUKUDA KOJI
IPC分类号： G11B5/41 , G11B15/00
摘要： PURPOSE:To clean a rotary magnetic head surely and automatically at the intention of a user and in a state that a guide roller has been fixed to a position in which a magnetic recording and reproducing is performed. CONSTITUTION:When a magnetic tape 106 is drawn out, a P-driving arm 205 is turned and moved when a loader motor 110 is turned. Thereby, a shaft 205b which has been implanted and installed in the P-driving arm 205 turns and moves an arm 15 to the direction of an arrow A. When the arm 15 is turned and moved, a roller-saucer arm 124 is turned and moved to the direction of an arrow B. When the roller-saucer arm 124 is turned and moved, the other end-side of a cleaning arm 3 is pulled via a spring body 125, and a cleaning member 1 situated at the tip side of the cleaning arm 3 comes into contact with a rotary cylinder 105.

14. 发明专利

JPH0524579B2 失效
公开(公告)号：JPH0524579B2
公开(公告)日：1993-04-08
申请号：JP2620785
申请日：1985-02-15
申请人： HITACHI LTD
发明人： OOKI YOSHIKAZU , KATONO NOBORU , SHIBATA YOSHIHIRO
IPC分类号： G11B15/665 , G11B15/675

15. 发明专利

JPH0554500A MAGNETIC RECORDING AND REPRODUCING EQUIPMENT WITH AUTOCHANGER FUNCTION 失效
公开(公告)号：JPH0554500A
公开(公告)日：1993-03-05
申请号：JP24027591
申请日：1991-08-28
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST , HITACHI EDOSAKI DENKI KK
发明人： KAWASE HIDEYUKI , KATONO NOBORU , YAMADA TAKEHIKO , USUI KATSUO
IPC分类号： G11B15/68
摘要： PURPOSE:To enable inserting a cassette from the front of an equipment by integrally providing an autochanger including a cassette container capable of overlapping plural cassettes, storing them via a partition plate and moving up and down between a VTR main body and a front panel. CONSTITUTION:A cassette container 14 provided with cassette housing rooms 16 and 18 is moved up and down and the heights of the positions of the respective cassette loading ports of a front panel 2 and a VTR mechanism main body 8 and respective containing rooms 16 and 17 are aligned with each other. Further, the cassette is carried horizontally by the side roller of the container 14, a cassette 15 is loaded from a loading port 10, placed at a specified position in the housing room 16, then, set at the device position Q of the main body 8 matched with an loading port 11. Similarly in this condition, a cassette 17 is placed at a specified position in the housing room 18 and after the cassette 15 is moved from the main body 8 to the housing room 16, it is sent to the loading port 11. Thus, the loading and unloading of the cassette are operated from the front and the function of an autochanger 9 is obtained.

16. 发明专利

JPH04345908A CLEANING MEMBER UP-DOWN MECHANISM FOR MAGNETIC RECORDING/REPRODUCING DEVICE 失效
公开(公告)号：JPH04345908A
公开(公告)日：1992-12-01
申请号：JP11990891
申请日：1991-05-24
申请人： HITACHI LTD
发明人： ABE MINORU , KATONO NOBORU
IPC分类号： G11B5/41
摘要： PURPOSE:To use a single member to make a cleaning member touch a magnetic head and also to successively shift the height of the cleaning member. CONSTITUTION:A cleaning arm 3 contains a shift arm 2 supported on the cum surface of 8 cam roller 4 which supports rotatably a cleaning member 1 at one of its both ends end contains a single-direction clutch coil member at the other end respectively. A drive lever 5 containing a pawl 5b secures a touch between the member 1 and a rotary magnetic heed 104 in accordance with the operation of an arm 103 which loads and unloads a magnetic tape. Thus the member 1 of the arm 3 touches the head 104 with the force of a spring 9 for each operation of the arm 103. At the same time, the pawl 5b engages a sawtooth-shaped part 4b of the roller 4. Therefore the roller 4 revolves by a fixed extent in the clockwise direction only and actuates the arm 2 on the cam surface of the roller 4 to shift the height of the member 1.

17. 发明专利

JPH0249254A MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH0249254A
公开(公告)日：1990-02-19
申请号：JP12880389
申请日：1989-05-24
申请人： HITACHI LTD
发明人： YOSHIDA MASASHI , KATONO NOBORU , YOKOTA HAJIME , OKAYAMA MASAO
IPC分类号： G11B15/44
摘要： PURPOSE:To simplify structure by driving a pulley directly with a motor in a fast feed/rewind mode, and driving it via a slipping mechanism in a recording/ reproducing mode. CONSTITUTION:The braking of reel boards 2 and 3 are released by an operating button in the recording/reproducing mode. When the rotation of a mode switching motor 40 progresses, guide members 97 and 84 are abutted with stoppers 103 and 102, and a tape travel path is formed by tape guides 95, 96, 82, and 83. Since switching is performed so as to start the rotary driving of the motor 4, torque transmitted to a belt pulley 19 drives a driving pulley 10 via a switching pulley 31, and an idler 12 drives the reel board 2 or 3 by rolling contact. Both a capstan 6 and the reel board 3 are rotated in a clockwise direction when the motor 4 is rotated in the clockwise direction, and the tape is fed in a forward direction, and it is fed in a reverse direction when the motor 4 is rotated in a counterclockwise direction. In such a way, it is possible to simplify the structure and to reduce the number of components.

18. 发明专利

JPH0249252A MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH0249252A
公开(公告)日：1990-02-19
申请号：JP12880189
申请日：1989-05-24
申请人： HITACHI LTD
发明人： YOSHIDA MASASHI , KATONO NOBORU , YOKOTA HAJIME , OKAYAMA MASAO
IPC分类号： G11B15/44
摘要： PURPOSE:To reduce the number of components and to simplify structure by transmitting the rotation of a motor directly to a driving pulley or via a slipping mechanism, and providing a braking mechanism. CONSTITUTION:When a stopping operation is performed in an FF(REW) mode, the energizing of the motor 4 is canceled, and a mode switching motor 40 is driven in reverse rotation, and a cam gear 51 is rotated in a counterclockwise direction. The lug of a latch pulley 75 is abutted with the curved part 69a of a lock arm 69, and the arm 69 is turned in the counterclockwise direction, then, the arm 69 returns downward by the force of a spring 68. Since brake arms 72 and 73 are turned and recovered with the force of a spring 74 and reel boards 2 and 3 are braked, the fast feeding of the tape in an EF/REW mode is released, then, the tape is stopped in a moment. A lever 52 is also turned and recovered by the cam gear 51, and a mode switch 54 is also recovered to a contact set at a stopping mode, then, the motor 40 is stopped. In such a way, it is possible to reduce the number of components and to simplify the structure.

19. 发明专利

JPS63247954A MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPS63247954A
公开(公告)日：1988-10-14
申请号：JP7744887
申请日：1987-04-01
申请人： HITACHI LTD , HITACHI VIDEO ENG
发明人： KATONO NOBORU , FUKUDA KOJI
IPC分类号： G11B15/665
摘要： PURPOSE:To make a mechanism thinner by arranging a rack driving the drawing member of a magnetic tape drawing means in the space between a motor for driving a cylinder with its turning and a capstan motor transferring the magnetic tape. CONSTITUTION:A work gear 9 is rotated by the revolution of a motor 8, this power rotates a wheel gear 10 and then a cam gear 7. The arm pin 6a of a rack operation arm 6 is engaged with the cam groove 7a of the cam gear 7 and when it works from storing state to drawing state, the cam gear 7 is rotated in clockwise direction and the rack operation arm is lifted according to the displacement of the cam groove 7a, the rack 1 connected with the rack operation arm 6 in lifted as well. Since the toothed-wheel 1b provided on the rack is biting with a toothed-wheel 5 the toothed-wheel 5 is rotated as per an arrow mark, a drawing base 2a is moved thereby and a magnetic tape can be drawn by a drawing member 2.

20. 发明专利

JPS63187449A TAPE DRAWING BODY BASE FOR MAGNETIC RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPS63187449A
公开(公告)日：1988-08-03
申请号：JP1834687
申请日：1987-01-30
申请人： HITACHI LTD
发明人： KATONO NOBORU , HASHIGUCHI YASUHIRO , SHIBATA YOSHIHIRO , YOKOTA HAJIME
IPC分类号： G11B15/61 , G11B15/665
摘要： PURPOSE:To eliminate the need for the man/hour in machining and to improve the profitability by forming a tape drawing body base by a synthetic resin and forming an inclined tape guide by integral forming for correction of a twist prevention. CONSTITUTION:Tape drawing body bases 8, 9 are formed by a high accuracy resin molding method of an injection molding, etc., by using the material mixing carbon, mineral, fluorine, etc., in proper amt. to a PPS resin, for instance, and inclined tape guides 10, 11 are respectively resin-formed integrally on the tape drawing body bases 8, 9. The inclined tape guide 10 has a circular arcuate part 10b and inclined tape guide 11 a circular arcuate part 11b in the winding range of the tape 2 of the inclined tape guides 10, 11, and at the place opposite to the circular arcuate parts 10b, 11b, namely at the place excepting the winding range of the tape 2 reinforcing rib parts 10a, 11a are formed to reinforce the stiffness. The need for the worker/hour in machining is thus eliminated to improve the profitability.

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