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61. 发明专利

JPH0491681A SUPERSONIC MOTOR 失效
公开(公告)号：JPH0491681A
公开(公告)日：1992-03-25
申请号：JP20776290
申请日：1990-08-06
申请人： CANON KK
发明人： SUZUKI TAKASHI
IPC分类号： H01L41/09 , H02N2/00
摘要： PURPOSE:To prevent external shock from adding to the primary parts of a motor directly by putting a holding member in the same diameter as the diameters of a vibrator, a rotating member, and a rotating output member or more. CONSTITUTION:A supersonic motor A is fixed by fastening a holding member 11 to a fixing member with screws through screw holes 11a and 11b. An vibrating elastic body 1, a rotor 6, and a rotating output member 7 are made in approximately the same diameter, and the holding member 11 is made to be approximately the same diameter or more to the vibrating elastic body 1, the rotor 6, and the rotating output member 7 so that it may function as the guard member when taking the custody of a motor in a case, or incorporating it into a device. Moreover, even if the vibrating elastic body 1, the rotor 6, and the rotating output member 7 are different in diameter, that will do, in this case, it will do to make the holding member in the same diameter as the one of the largest diameter among these parts or in the diameter more than it.

62. 发明专利

JPH0491679A MOTOR DRIVE 失效
公开(公告)号：JPH0491679A
公开(公告)日：1992-03-25
申请号：JP20624490
申请日：1990-08-03
申请人： CANON KK
发明人： SUZUKI TAKASHI
IPC分类号： F16H1/00 , H01L41/09 , H02K7/116 , H02N2/00
摘要： PURPOSE:To prevent the vibrating elastic member of a supersonic motor and the output member from being rotated relatively during the reverse rotation from the side of a driven part by setting the frictional force between a rotating member and a rotation output member smaller than the frictional force between a vibrator and the rotating member. CONSTITUTION:A rotating member (rotor) 6 gets proper frictional force by the pressure with a pressurizing spring 10, with the friction contact part 6 an abutting on the taper part 1a of a vibrating elastic body 1. A rotation output member 7, which has a gear 7a, couples with the rotor 6 by friction between the end cover and the end face of the rotor. The frictional force of friction coupling between the rotor 6 and the rotating output member 7 is generated by the pressurizing spring 10, and the force is set to be smaller than the frictional force between the vibrating elastic body 1 and the rotor 6. Hereby, when the member to be driven is rotated by external force, only the rotating output member 7 rotates to the rotor 6, and the rotor 6 is kept in the nonrotating condition to the vibrator.

63. 发明专利

JPH0439070A IMAGE PROCESSOR 失效
公开(公告)号：JPH0439070A
公开(公告)日：1992-02-10
申请号：JP14526490
申请日：1990-06-05
申请人： CANON KK
发明人： SUZUKI TAKASHI
IPC分类号： B41J2/52 , B41J2/44 , G06T5/00
摘要： PURPOSE:To obtain high-definition outputs having a satisfactory gradation and a high resolving power by modulating the frequency of control pulses corresponding to image signals and gradation level. CONSTITUTION:Pulses are prevented from being output from a PFM modulator 104 at a level of input data PHI1H of a D/A converter 102, and the width of pulses, which are output from the PFM modulator 104 at a level higher than the input data PHI1H, is previously set so that the pulse width becomes a minimum pulse value at which a laser 113 begins to emit light. The PFM modulator 104 is previously set so that it outputs pulses having a pulse frequency at which the laser 113 lights full at a level of input data FFH of the D/A converter 102. Thereby, the dot density on a recording medium can be changed corresponding to input data 101 having 256 gradations and a regenerated image excellent in gradation can be obtained.

64. 发明专利

JPH03234116A SENSOR CIRCUIT 失效
公开(公告)号：JPH03234116A
公开(公告)日：1991-10-18
申请号：JP2883690
申请日：1990-02-08
申请人： CANON KK
发明人： SUZUKI TAKASHI
IPC分类号： G01V8/12 , G01S7/48 , G03B27/00 , H03K17/78
摘要： PURPOSE:To avoid mis-detection due to the current fluctuation in a light emitting means by outputting a detection output while taking a current flowing to the light emitting means and a current flowing to a light receiving means into consideration. CONSTITUTION:This circuit is constituted of a light emitting diode 101, a resistor 102 for detecting a current flowing to the light emitting diode 101, a phototransistor 103 and a resistor 104 for detecting a current flowing to the phototransistor 103. Thus, a detecting output is outputted by taking also a current flowing to the light emitting diode 101 into consideration. Thus, mis-detection is prevented even when the current flowing to the light emitting diode 101 is changed due to the change in the temperature characteristic of the light emitting diode 101 or the fluctuation of the power voltage.

65. 发明专利

JPH03224131A MAGNETIC RECORDING MEDIUM 失效
公开(公告)号：JPH03224131A
公开(公告)日：1991-10-03
申请号：JP1794090
申请日：1990-01-30
申请人： CANON KK
发明人： HASHIMOTO MORIMI , KAMEYAMA MAKOTO , SUZUKI TAKASHI
IPC分类号： G11B5/66 , G11B5/64 , G11B5/72 , G11B5/73
摘要： PURPOSE:To obtain a recording medium excellent in wear resistance, durability and environmental resistance for practical use by using a thin film essentially comprising silicone oxides having dyn/cm inner stress as a protective layer for a magnetic recording layer which consists of a ferromagnetic metal thin film. CONSTITUTION:A ferromagnetic metal thin film 2 is formed as the recording layer on at least one side of a nonmagnetic substrate 1, on which a thin film 3 essentially comprising silicon oxides is formed as a protective layer. This protective layer 3 is a thin film essentially comprising silicon oxides, having the inner stress of dyn/cm compressive stress. If the stress exceeds 1 X 10 dyn/cm , variation in the inner stress under the conditions of high temp. and high humidity becomes too large, which reduces adhesion strength and wearing property of the film. By this method, wear resistance, durability and long-term storage durability are improved to the level of practical use.

66. 发明专利

JPH02196206A IMAGE READER 失效
公开(公告)号：JPH02196206A
公开(公告)日：1990-08-02
申请号：JP1510589
申请日：1989-01-26
申请人： CANON KK
发明人： TAKARAGI YOICHI , SUZUKI TAKASHI
IPC分类号： G02B7/36 , G03B13/36 , G03B27/34 , G03B27/50 , G06T1/00 , H04N1/04 , H04N1/19 , H04N5/253
摘要： PURPOSE:To perform automatic fast focus control with high accuracy by performing the automatic focus control according to the signal of the line sensor which has the highest space resolution among plural line sensors. CONSTITUTION:A projection lens 1018 which projects a film image of a film holder 703 on a reflecting mirror 707 is provided rotatably by a stepping motor 1014. Further, a three-line parallel color sensor 809 consists of three line sensors 501, 502, and 503 of blue, green, and red. Then when the automatic focus control is performed, a specific microprocessor calculates AF data for the automatic focus control from the output of the green sensor 502 which has the highest space resolution and the stepping motor 1014 is driven according to the data to rotate the projection lens 1018, thereby performing the automatic focus control.

67. 发明专利

JPH0228844B2 失效
公开(公告)号：JPH0228844B2
公开(公告)日：1990-06-26
申请号：JP8802980
申请日：1980-06-27
申请人： CANON KK
发明人： SUZUKI TAKASHI , IIZUKA KYOSHI , OOTAKA KEIJI , MIZUTANI HIDEMASA
IPC分类号： G03B13/24 , G02B5/02

68. 发明专利

JPH02154387A SOLID-STATE MEMORY DEVICE 失效
公开(公告)号：JPH02154387A
公开(公告)日：1990-06-13
申请号：JP30816988
申请日：1988-12-06
申请人： CANON KK
发明人： KAWAMURA HIDEAKI , DATE NOBUAKI , MIMURA TOSHIHIKO , MURATA YOSHITAKA , TAKAIWA KAN , HORII HIROYUKI , SUZUKI TAKASHI , OZAKI SEIICHI , TOJO AKIHIKO
IPC分类号： G11C8/00
摘要： PURPOSE:To make high-speed access to an arbitrary data block with the less number of signal lines by successively outputting addresses of relevant storing blocks of a memory section from the leading address outputted from a block address storing means. CONSTITUTION:A block designating data storing means 28 stores block designating data which designate arbitrary storing blocks of a randomly accessible memory section 24. A block address storing means 30 holds the leading addresses of plural storing blocks of the section 24 and outputs the leading address of a relevant storing block in accordance with block designating data outputted from the means 28. Then a sheet number counter 32 successively outputs addresses of relevant storing blocks of the section 24 from the leading address outputted from the means 30. Therefore, high-speed access can be made to an arbitrary data block with the less number of signal lines.

69. 发明专利

JPH02151297A DRIVE CIRCUIT FOR STEPPING MOTOR 失效
公开(公告)号：JPH02151297A
公开(公告)日：1990-06-11
申请号：JP30080288
申请日：1988-11-30
申请人： CANON KK
发明人： SUZUKI TAKASHI
IPC分类号： H02P8/12 , H02P8/00
摘要： PURPOSE:To suppress vibration while maintaining a torque necessary for driving a stepping motor by altering the ON/OFF frequency of a stepping motor driving voltage in response to a driving frequency in case of a constant current chopper driving. CONSTITUTION:A PWM control circuit 618 so PWM-controls as to turn OFF a switching transistor 101 when a motor current detection voltage 120 becomes higher than a reference voltage H613 and to turn ON the transistor 101 when the motor current detection voltage 120 becomes lower than a reference voltage L616. Since analog switches 608, 609, 610, 611 are switched through a decoder 603 by 2-bit signals 601, 602 from a controller 900 to select any of resistors 604, 605, 606, 607 connected in series with a winding 102, the ON/OFF frequency of a motor driving voltage 124 can be altered.

70. 发明专利

JPH02118990A SOLID-STATE MEMORY DEVICE 失效
公开(公告)号：JPH02118990A
公开(公告)日：1990-05-07
申请号：JP26955888
申请日：1988-10-27
申请人： CANON KK
发明人： KAWAMURA HIDEAKI , TAKAIWA KAN , MIMURA TOSHIHIKO , MURATA YOSHITAKA , DATE NOBUAKI , HORII HIROYUKI , SUZUKI TAKASHI , OZAKI SEIICHI , TOJO AKIHIKO
IPC分类号： G11C8/00 , H04N5/907
摘要： PURPOSE:To facilitate the expansion and revision of an internal circuit and to utilize a newest device as a memory pack in the optimum state at all times by storing an internal circuit characteristic code and reading it out. CONSTITUTION:The operating mode of a solid-state memory device 10 is set by sending a prescribed command from a camera side to an input line 14. A control circuit 26 decodes a command of the input line 14 synchronously with a clock from an input line 16 to operate each section in the designated mode. Then a memory address corresponding to number of films is stored in an address preset circuit 24 and which order film number is designated and a picture data is accessed at random. Moreover, a recognition code is outputted to the camera side from a storage circuit 28. In this case, the control circuit 26 informs it to the camera side that the data of the line 18 is effective and the storage data in the circuit 28 is sent to the line 18 via a buffer 30 synchronously with the clock.

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