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1. 发明专利

JP2003125418A DIGITAL CAMERA, FLASH, AND FLASH SYSTEM 审中-公开
公开(公告)号：JP2003125418A
公开(公告)日：2003-04-25
申请号：JP2001320392
申请日：2001-10-18
申请人： MINOLTA CO LTD
发明人： MIZUGUCHI ATSUSHI , UEDA HIROSHI , YAMAGUCHI MOTOYUKI , SHINKAWA KATSUHITO
IPC分类号： G03B15/05 , G06T1/00 , G06T11/60 , H04N1/46 , H04N1/60 , H04N5/225 , H04N9/04 , H04N9/79 , H04N101/00
摘要： PROBLEM TO BE SOLVED: To provide a technique which can properly perform color correction reflecting the properties of an external flash to image data. SOLUTION: A digital camera 1 is made so that an external flash 6 can be mounted, and a flash ROM 63 is built in this flash 6. An ICC profile which shows the properties specific to the flash 6 is recorded in the flash ROM 63. The digital camera 1 records the acquired image data, relating it to the ICC profile acquired from the flash 6, when taking a photograph with the flash 6. Hereby, this camera can properly perform the color correction reflecting the properties of the external flash to the image data, since it can correlate the ICC profile geared to the kind of the external flash.

2. 发明专利

JP2000228895A MOTOR CONTROLLER 失效
公开(公告)号：JP2000228895A
公开(公告)日：2000-08-15
申请号：JP2995899
申请日：1999-02-08
申请人： MINOLTA CO LTD
发明人： TANII JUNICHI , TANAKA YOSHIHARU , UEDA HIROSHI , KAMISHITA HIRONORI
IPC分类号： H02P7/06 , H02P5/68 , H02P7/68
摘要： PROBLEM TO BE SOLVED: To enlarge the output difference between the drive modes to change over the drive mode having a higher degree of freedom, by changing over the serial connecting condition and parallel connecting condition of a couple of coils of a motor with a change-over means. SOLUTION: A first commutator 20a has conductive plates 21 to 23a that are mutually insulated with each other, while a second commutator 20b has conductive plates 21 to 23b that are also mutually insulated with each other. The first commutator 20a and second commutator 20b are also insulated mutually with each other. The first and second commutators 20a, 20b are placed in contact with the pressure with commutation brushes 31 to 34. The commutation brushes 31 to 34 are connected with lead wires L1 to L4. When a current is applied to the commutators 20a, 20b connected in series, the Lo drive mode starts. When a current is applied to the commutators 20a, 20b connected in parallel, the Hi drive mode starts. Control is performed with a microcomputer. As a result, various motor control methods can be attained with a higher degree of freedom, not depending on the torque condition.

3. 发明专利

JP2000089316A CAMERA 失效
公开(公告)号：JP2000089316A
公开(公告)日：2000-03-31
申请号：JP25980898
申请日：1998-09-14
申请人： MINOLTA CO LTD
发明人： YAMAGUCHI MOTOYUKI , TSUJIMURA ICHIRO , OMORI SHIGETO , ICHIKAWA TSUTOMU , UEDA HIROSHI , SUZUKI TATSUYA , NAKAMARU AKIO
IPC分类号： G03B13/36 , G02B7/28 , G03B15/05
摘要： PROBLEM TO BE SOLVED: To provide a camera capable of delicately controlling exposure by flash photographing. SOLUTION: A multi-point ranging element having plural ranging areas and a multi-division light control element having plural light control areas are provided in an autofocusing camera so that a part of the light control area corresponds to a photometric area. An object and a background are specified by the ranging information obtained by the output of the multi-point ranging element, and the reference value of the light emission end of radiated light and the contribution ratio of each light control area for the sum total of received light quantity are set in accordance with the distribution state of the object and the background, so that control for the light control of the flash photographing is executed.

4. 发明专利

JPH11326744A AUTOFOCUSING CAMERA 失效
公开(公告)号：JPH11326744A
公开(公告)日：1999-11-26
申请号：JP13475698
申请日：1998-05-18
申请人： MINOLTA CO LTD
发明人： TAKAHATA JUNJI , UEDA HIROSHI , KAMISHITA HIRONORI , KAWABE KOTARO
IPC分类号： G03B13/36 , G02B7/28 , G02B7/32
摘要： PROBLEM TO BE SOLVED: To provide a camera in which insufficient contrast hardly occurs even in the combination with a somewhat special photographing lens by detecting a distance to a subject by another system before detecting a focus state by a phase difference detecting system and setting a focusing lens to the vicinity of a focusing position. SOLUTION: A focusing lens is set to the vicinity of a focusing position by detecting the distance to the subject by another system before detecting the focus state by a phase difference detecting system. Namely, at a 1st stage, a driving control means 17 calculates the position X of the focusing lens 7 corresponding to the distance detected by a range-finding means 12 and moves the lens 7 to the position X. Thus, a photographing lens 6 is in a nearly focused state. At a 2nd stage, the amount and the direction of which the lens 7 should be moved are calculated from an output of a focus state detection means 11 to move the lens 7, then processing to newly calculate the amount etc., of which the lens 7 should be moved from the output of the means 11 is repeated.

5. 发明专利

JPH11174313A FOCUS DETECTOR 失效
公开(公告)号：JPH11174313A
公开(公告)日：1999-07-02
申请号：JP33728097
申请日：1997-12-08
申请人： MINOLTA CO LTD
发明人： TERAMOTO TOGO , UEDA HIROSHI
IPC分类号： G03B13/36 , G02B7/28 , G02B7/34
摘要： PROBLEM TO BE SOLVED: To provide a focus detector capable of detecting a focusing direction even in the state that the focus is deviated as largely as that the deviation is not detectable by a conventional AF sensor. SOLUTION: In the case that an object distance is at an infinite-point for instance, in an optical system constituted of a photographic lens T, a relay lens R arranged behind a plane equivalent to a film plane (focusing position) and a CCD arranged behind the relay lens R, an object image B through the photographic lens T becomes a reformed image C by the relay lens R, to be detected by the CCD. At this time, the moving direction of the photographic lens T shown by an arrow, that is the direction of increasing the magnification of the reformed image C coincides with the focusing direction.

6. 发明专利

JPH1184222A FOCUSING POSITION DETECTING DEVICE 失效
公开(公告)号：JPH1184222A
公开(公告)日：1999-03-26
申请号：JP23752897
申请日：1997-09-02
申请人： MINOLTA CO LTD
发明人： AKAMATSU NORIHIKO , UEDA HIROSHI
IPC分类号： G02B7/28 , G02B7/34 , G03B7/099 , G03B13/36
摘要： PROBLEM TO BE SOLVED: To focus an optical system on a side near to an optical equipment by selecting a 1st defocusing amount when a 1st reliability value is high and a 2nd defocusing amount when a 2nd reliability value is high. SOLUTION: When a value showing the reliability of a 2nd island 42 is larger than a specified value, an AFCPU selects the defocusing amount of the 2nd island 42 as the defocusing amount from a 2nd area. When the value showing the reliability of the 2nd island 42 is larger than a value showing the reliability of a 4th island 44, the AFCPU selects the defocusing amount of the 2nd island 42 as the defocusing amount from the 2nd area. Meanwhile, when the value showing the reliability of the 4th island 44 is larger than the value showing the reliability of the 2nd island 42, the AFCPU selects the defocusing amount of the 4th island 44 as the defocusing amount from the 2nd area.

7. 发明专利

JPH09211648A LENS INTERCHANGEABLE CAMERA 失效
公开(公告)号：JPH09211648A
公开(公告)日：1997-08-15
申请号：JP1578396
申请日：1996-01-31
申请人： MINOLTA CO LTD
发明人： UEDA HIROSHI , SUGITANI KAZUMI , MIYAZAWA MASAYUKI
IPC分类号： G01C3/06 , G02B7/08 , G02B7/32 , G03B13/36 , G03B15/05 , G03B17/14
摘要： PROBLEM TO BE SOLVED: To reduce power consumption and prevent deviation of a defocus quantity from generating by transmitting data for prohibiting projection of an auxiliary light from the lens side to a microcomputer on the body side. SOLUTION: When an appropriate defocus quantity is not obtained by low contrast and the like, it is discriminated whether a lens is a LED auxiliary light allowance lens or a prohibition lens, and in the case of the allowance lens, an auxiliary light is ON. For letting the lens low-contrast-scan, a target drive quantity is set to be the maximum value by a focus lens drive command so as to drive the lens, and distance measuring operation is repeated again. The lens judges whether the auxiliary light is allowed to project toward a subject or not, according to assortment of the lens, and when the light projection is meaningless, data for prohibiting projection of the auxiliary light are transmitted to a microcomputer 10 on the body side. Consequently, useless auxiliary light is not projected, and hence power consumption can be reduced.

8. 发明专利

JPH07295022A PHOTOGRAPHING MODE SWITCHING DEVICE 失效
公开(公告)号：JPH07295022A
公开(公告)日：1995-11-10
申请号：JP10970995
申请日：1995-05-08
申请人： MINOLTA CO LTD
发明人： YAMAMOTO KOJI , TOMINAGA SHINJI , YAMANAKA AKIRA , UEDA HIROSHI , TANIGUCHI NOBUYUKI , NAKAMURA YASUSHI , IWATA MICHIHIRO
IPC分类号： G03B7/0805 , G03B17/18 , G03B7/08
摘要： PURPOSE:To prevent a failure in setting a photographing mode in a camera having plural photographing modes by detecting actions related to the exchange of film and presetting data in accordance with the ordinary photographing mode of the photographing mode in a preset means. CONSTITUTION:At the first step of depressing a release button 1, a photometry switch is turned on, and preparation action for controlling exposure is performed. At the second mode of depressing the button 1, a release switch is turned on to perform exposure control action. Every time a photographing mode setting button 3 is depressed, the photographing mode is changed. As for the camera having plural photographing modes, in the case a detection means detects that the action related to the exchange of the film(for example, film rewinding operation and the opening/closing operation of the back cover of the camera) is designated to be performed, the data in accordance with the ordinary photographing mode is preset in a counting means instead of the data stored in the counting means counting an operation signal outputted in accordance with the operation of the switch.

9. 发明专利

JP2003125422A DIGITAL CAMERA, COLORIMETER AND IMAGE PROCESSING SYSTEM 审中-公开
公开(公告)号：JP2003125422A
公开(公告)日：2003-04-25
申请号：JP2001320393
申请日：2001-10-18
申请人： MINOLTA CO LTD
发明人： MIZUGUCHI ATSUSHI , UEDA HIROSHI , YAMAGUCHI MOTOYUKI , TERAMOTO TOGO , SHINKAWA KATSUHITO
IPC分类号： G06T1/00 , H04N1/46 , H04N1/60 , H04N9/04 , H04N9/73
摘要： PROBLEM TO BE SOLVED: To provide a digital camera which performs color correction for an obtained image with high accuracy based on a color component value detected with a portable colorimeter. SOLUTION: A image processing system 10 comprises a digital camera 1 and a colorimeter 2, and radio data communication is performed between the digital camera 1 and the colorimeter 2. The colorimeter 2 obtains a color component value in five directions of an object 5, and transmits to the digital camera 1. The color component value received by the digital camera 1 is stored in an internal RAM 162. When the color component value is stored in the RAM 162 at shooting, the digital camera 1 performs white balance correction for the obtained image data based on the color component value. Consequently, white balance correction is performed with high accuracy for the image data.

10. 发明专利

JP2002072329A CAMERA 失效
公开(公告)号：JP2002072329A
公开(公告)日：2002-03-12
申请号：JP2000252359
申请日：2000-08-23
申请人： MINOLTA CO LTD
发明人： NAGAHATA JUNKO , UEDA HIROSHI , FUJINO AKIHIKO , NOGUCHI RIKA , SUZUKI TATSUYA
IPC分类号： G03B13/36 , G02B7/28 , G03B3/10 , G03B17/02 , G03B17/18
摘要： PROBLEM TO BE SOLVED: To improve operability in the setting of a function and to prevent a set condition from being inadvertently changed against a user's wishes in a multi-functional camera. SOLUTION: An area selection member 30 is used also as an operation key in a 1st selection mode for selecting the focus detection area of a focus detector and an operation key in a 2nd selection mode for selecting the setting of the function of the camera. Then, the camera is equipped with a mode selection member 20 which can be set at three positions, that is, a local position, a wide position and a lock position. When the member 20 is at the lock position, the focus detection area selected at the local position is fixed if the member 20 is moved from the local position to the lock position, and a wide mode is fixed if the member 20 is moved from the wide position to the lock position.

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