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11. 发明专利

JPH08310072A IMAGE INFORMATION RECORDING DEVICE 失效
公开(公告)号：JPH08310072A
公开(公告)日：1996-11-26
申请号：JP12183495
申请日：1995-05-19
申请人： HITACHI LTD
发明人： OUCHI SATOSHI , OTSUKA YASUO , SHIRAISHI MIKIO , OZAWA NAOHIRO , ASADA AKIHIRO , KOBORI TOMOO , KOBAYASHI KAZUHISA , NAKANO SHUICHI , MAKIO SATOSHI
IPC分类号： B41J3/44 , B41J19/18
摘要： PURPOSE: To improve the stability of control of a spiral type device at the time of high speed operation and the positioning accuracy of a belt type device by providing a position sensing means in the scanning direction of a printing head, an absolute position sensing means for the printing head and the like and constituting a printing mechanism. CONSTITUTION: A shuttle 4 is moved reciprocatingly on a paper surface 5 as shown by an arrow mark A by the forward and reverse rotation of a spiral shaft directly connected with a motor 2 as shown by an arrow mark D. The shuttle 4 is supported smoothly by a rail 24 at the time of moving reciprocatingly and the reading position of the graduation of a linear scale is sensed by a photosensor 6a mounted on the shuttle 4. On the other hand, the shuttle is moved by every head width in the arrow mark B direction on a printing paper 5 clamped by carrying rollers 8 and 9 to which driving force is transmitted from a carrying motor 7 through gears 7a and 7b and kicking-out rollers 10 and 11. The locus of a printing head 3 on the paper surface 5 is formed as shown by an arrow mark C and printed in the reciprocatingly moving direction by the arrangement.

12. 发明专利

JPH0832748A IMAGE READING AND RECORDING DEVICE 失效
公开(公告)号：JPH0832748A
公开(公告)日：1996-02-02
申请号：JP16095994
申请日：1994-07-13
申请人： HITACHI LTD
发明人： SATOU KAZUYASU , SAKAI KAZUO , AOYANAGI MASAHISA , KIYONO TASAKU , FUKUDA HIROMITSU , SHIMIZU AKIRA , NARUI YOICHI , OTSUKA YASUO
IPC分类号： B65H23/34 , H04N1/00
摘要： PURPOSE:To reduce and lower the size and price of the image reading and recording device, having a function for converting image information into an electric signal and a function for converting the electric signal into the image information, and improve the operability. CONSTITUTION:The device consists of an upper structure body 12 and a lower structure body 11 which are opened and closed around a fulcrum in the device rear, a thermal head 13 for recording and a recording form conveyor roller 1 are arranged at the front end part of the device, and a 1st projection part 7a and a 2nd projection part 7b for removing the natural curl of a recording form are arranged just behind them. A 3rd projection part is arranged further behind the 2nd projection part 7b. The upper structure body of the device can be opened large, so the operability is good. The natural curl of the recording form can efficiently be removed by the three projection parts, so the device is reducible in size.

13. 发明专利

JPH07288647A FACSIMILE EQUIPMENT 失效
公开(公告)号：JPH07288647A
公开(公告)日：1995-10-31
申请号：JP7868994
申请日：1994-04-18
申请人： HITACHI LTD
发明人： FUKUDA HIROMITSU , SAKAI KAZUO , SATOU KAZUYASU , AOYANAGI MASAHISA , KIYONO TASAKU , OOGA KIMIO , SHIMIZU AKIRA , NARUI YOICHI , OTSUKA YASUO
IPC分类号： H04N1/00
摘要： PURPOSE:To improve the image quality by using a drive system in common and adopting the same performance for the drive system. CONSTITUTION:An original carrier roller 7 and a recording paper carrier roller 6 are formed to have the same diameter, drive systems for a read unit 2 and for a recording unit 1 are formed to the same form and each of the drive systems has plural gear mechanism sets driving each of the original carrier roller 7 and the recording paper carrier roller 6 of the drive system at the same speed and a drive source 3. Through the constitution above, gears of the drive systems are used in common, high image quality at copying mode is attained, a low cost is realized and mass-productivity and assembling performance are improved.

14. 发明专利

JPH07264360A ORIGINAL READER 失效
公开(公告)号：JPH07264360A
公开(公告)日：1995-10-13
申请号：JP5012294
申请日：1994-03-22
申请人： HITACHI LTD
发明人： SHIRAISHI MIKIO , OTSUKA YASUO , OZAWA NAOHIRO , ASADA AKIHIRO , SHIMIZU AKIRA , NARUI YOICHI , TANIZOE TOSHIO , MINODA HIROSHI
IPC分类号： H04N1/04
摘要： PURPOSE:To unnecessitate the providing of a dedicated detection means for performing an original detection and to simplify the constitution of a device by providing a light quantity changing means operating by interlocking with the moving operation of an original in the process of a reading optical path. CONSTITUTION:When an original is fed within a reader, an original detection switch 40 operates and notifies the original feeding to a CPU 32. The CPU 32 detects this original feeding and starts the reading of the original. At this time, the original is eliminated on an original reading surface and the most part of the light from an LED light source is directed to a CCD element 6. The part of an optical path is provided with the optical path changing plate of an original detection plate and the part of the image read by the CCD element 6 is dimmed. When the carriage of the original is advanced and the original detection plate is depressed, the dimmed part is eliminated in the image read by the CCD element 6. When the reading of the original is proceeded, the rear end of the original reaches the original detection plate and the original detection plate is released, the part of the read image detected by the CCD 6 is dimmed again.

15. 发明专利

JPH07262737A CARTRIDGE FOR DISK 失效
公开(公告)号：JPH07262737A
公开(公告)日：1995-10-13
申请号：JP32526894
申请日：1994-12-27
申请人： HITACHI LTD
发明人： OTSUKA YASUO , SASAKI TORU , KATASE YOSHIHIRO
IPC分类号： G11B23/03 , G11B23/28
摘要： PURPOSE:To prevent a cartridge from being inserted to an information processing device while being upside down. CONSTITUTION:A shutter member 3 is movable in the upper rightward direction in the figure along the front edge part 1a of a case, and when it is moved in this direction, an opening part 5 of the case is opened. When the disk cartridge 1 is inserted into the information processing device 100 upside down as shown in the figure, a lever 101 is engaged with a recessed part 7 provided on the shutter member 3 in this moving direction, and this state becomes to be in obstacle, so the cartridge for the disk can not be furthermore inserted to the information processing device 100. When the disk cartridge 1 is properly inserted to the information processing device 100, the disk cartridge 1 is in the state being upside down to the one shown in the figure, and the lever 101 is abutted on the end part of the shutter member 3 located at the lever abutting position 6, therefore, in company with the further insertion of the cartridge 1, the lever 101 is driven to make the shutter member 3 move, then the opening part 5 is opened.

16. 发明专利

JPH07257767A RECORDING DEVICE 失效
公开(公告)号：JPH07257767A
公开(公告)日：1995-10-09
申请号：JP5011194
申请日：1994-03-22
申请人： HITACHI LTD
发明人： SHIRAISHI MIKIO , OTSUKA YASUO , SHIMIZU AKIRA , NARUI YOICHI
IPC分类号： G03G15/00 , B65H3/44 , B65H20/04 , H04N1/00
摘要： PURPOSE:To enable the use of a cut paper without detaching a machine glazed paper by rotating a carrying roller only in a direction where the rolled paper is removed from a recording section, and after removing the rolled paper from the recording section, feeding the cut paper to the recording section for making recording on it. CONSTITUTION:Rolled paper 6 is fed by rotating a carrying roller 32 and a platen 31. In the case where the paper 6 is fed in a direction designated by an arrow A, namely a direction for recording, the roller 32 and the platen 31 are rotated in the direction (a) of rotation. When they are rotated in the direction (b) of rotation opposite to a direction in the case of recording, the rolled paper 6 is fed in a direction designated by an arrow B. When they are continuously rotated in the rewinding direction, the tip of the paper 6 gets out of a space between a thermal head 30 and a platen roller 31, and the paper 6 is therefore carried by the driving force of only the carrying roller 32. Thus the paper 6 can be removed from a recording section. A cur paper 7 can be recorded by rotating only the platen roller 31 in the direction (a) of rotation with the paper 6 removed from the recording section.

17. 发明专利

JPH07108699A METHOD AND APPARATUS FOR IMAGE RECORDING 失效
公开(公告)号：JPH07108699A
公开(公告)日：1995-04-25
申请号：JP25793793
申请日：1993-10-15
申请人： HITACHI LTD
发明人： OZAWA NAOHIRO , OTSUKA YASUO , ASADA AKIHIRO , HONDA TOYOTA , SHIRAISHI MIKIO , KOJIMA YASUYUKI , TANIZOE TOSHIO , MINODA HIROSHI
IPC分类号： B41J2/36
摘要： PURPOSE:To obtain a recording apparatus that can be operated at a high speed while being manufactured at low cost by a method wherein an A/D converter for head temperature output is made to double as the A/D converter for other devices. CONSTITUTION:The apparatus is composed of a recording device 311 equipped with a recording head, a head temperature detecting device, a mode controlling device 401 that controls the timing for scanning in the recording, a recording data storage device, a transfer control device 341 that controls transfer of recording data to the head, a switching device that switches output signals from head temperatures or others, a switching signal 4013 generating device, and an A/D converter 31 that converts signals outputted from the switching device into digital data.

18. 发明专利

JPH06152906A FACSIMILE EQUIPMENT 失效
公开(公告)号：JPH06152906A
公开(公告)日：1994-05-31
申请号：JP29115192
申请日：1992-10-29
申请人： HITACHI LTD
发明人： KONNO KAZUTOSHI , OTSUKA YASUO , TANIZOE TOSHIO , MINODA HIROSHI
IPC分类号： B41J2/36 , H04N1/23 , H04N1/40 , H04N1/407
摘要： PURPOSE:To improve the lack of recording density and to accurately reproduce information by controlling the printing energizing time of a thermal head corresponding to a code amount stored in a reception buffer memory for tentatively storing the transmitted information. CONSTITUTION:Code data stored in the reception buffer memory 3 are decoded to picture data at a decoding circuit 5, the counted value of a counter 4 is updated for the decoded code amount and the picture data are transferred to the thermal head 8. In this case, at the time of reproducing the picture data on thermosensitive recording paper, the counted value of the counter 4 is fetched to a microcomputer 6 and when the counted value is equal to or less than a prescribed value, the microcomputer 6 controls a thermal head energizing time control circuit 7, prolongs the energizing time of the thermal head 8 and secures the recording density. Also, when the counted value of the counter 4 is larger than the prescribed value, the thermal head energizing time control circuit 7 is controlled similarly, the energizing time of the thermal head 8 is shortened and the overflow of the reception butter memory 3 is prevented.

19. 发明专利

JPH03189935A SEMICONDUCTOR LASER AND OPTICAL INFORMATION DEVICE USING THE SAME 失效
公开(公告)号：JPH03189935A
公开(公告)日：1991-08-19
申请号：JP32845189
申请日：1989-12-20
申请人： HITACHI LTD
发明人： SASAKI TORU , MIURA MICHIO , KISHI YUJI , OTSUKA YASUO
IPC分类号： G11B11/10 , G11B7/135 , G11B11/105
摘要： PURPOSE:To correct astigmatism without providing separately optical parts for APC (Automatic Power Control) by providing a means for splitting laser light into two or more beams and a photodetector for one part of the split beams into a single case. CONSTITUTION:A parallel plate having a beam splitter film 4a for reflecting one part of incident light and transmitting the remainder is disposed in an optical path of forward light emitted from a laser chip 1, and a beam splitting means 4 inclined with its normal vector in a junction plane of the laser chip 1 to an optical axis and the photodetector 2 for detecting the reflecting beam or the transmitting beam from the beam splitting means 4 are provided in the single case 3. The reflecting beam 16 is received by the photodetector 2, and in order to make its output constant, an output of the forward light 5 emitted from the surface side 1a of the laser chip 1 is controlled to be constant by using an APC circuit 7. By this method, astigmatism can be corrected.

20. 发明专利

JPH03134835A OPTICAL HEAD 失效
公开(公告)号：JPH03134835A
公开(公告)日：1991-06-07
申请号：JP27157889
申请日：1989-10-20
申请人： HITACHI LTD
发明人： SASAKI TORU , MIURA MICHIO , KISHI YUJI , OTSUKA YASUO , KONUMA YOSHIHIRO
IPC分类号： G11B11/10 , G11B7/135 , G11B11/105
摘要： PURPOSE:To correct anisotropy of laser light emitting from a semiconductor laser without increasing number of parts in an optical head by using two prisms of different refractive indices for a beam splitter for beam shaping. CONSTITUTION:An isotropic light beam 2 emitted from a semiconductor laser 1 which is the light source of linearly polarized light is changed into parallel incident light 4 by a collimator lens 3, enters a beam splitter 5 through the incident surface 5a with an oblique angle where the beam is shaped. Since two prisms 5b, 5d which constitute the beam splitter 5 have different refractive indices from each other, the incident surfaces 5a and the beam splitting surface 5c have an effect of beam shaping, and thus, the beam 2 is changed into isotropic for any direction and exits from the exit surface 5e. The beam 2 is now a first irradiating light 10, reflected by a mirror 6, focused by an objective lens 7, and made to irradiate the recording surface 8 of a disk 8. By this constitution, anisotropy of semiconductor laser light can be corrected without using more parts in the optical head.

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