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11. 发明专利

JPH06148732A CONTROL PART STRUCTURE FOR CAMERA 失效
公开(公告)号：JPH06148732A
公开(公告)日：1994-05-27
申请号：JP32379192
申请日：1992-11-10
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , ONOZUKA HARUO
IPC分类号： G03B17/02
摘要： PURPOSE:To provide control part structure capable of reducing the cost of a camera by connecting each output port of a photometry circuit, a range- finding circuit and a shutter control circuit with one input port of the CPU of the camera by means of a connecting wire and using an inexpensive CPU. CONSTITUTION:The input port 10a is provided on the CPU 10 of the camera and the output port 12a of a photometry and range-finding circuit 12 and the output port 14a of the shutter control circuit 14 are connected to the input port 10a by the connecting wire 16. Moreover, each terminal of a charge switch 18, a capacitor 20 and a Cds 22 is connected to the photometry and range-finding circuit 12, the other terminal of the charge switch 18 is connected to a DC power source 24 and the other terminals of the capacitor 20 and the Cds 22 are earthed. The photometry and range-finding circuit 12 is connected to a range-finder not shown by the figure and the shutter control circuit 14 is connected to a shutter mechanism not shown by the figure as well.

12. 发明专利

JPH04199013A ACTIVE TYPE DISTANCE MEASURING METHOD 失效
公开(公告)号：JPH04199013A
公开(公告)日：1992-07-20
申请号：JP33179090
申请日：1990-11-29
申请人： FUJI PHOTO FILM CO LTD , FUJI PHOTO OPTICAL CO LTD
发明人： KOTANI TAKAAKI , TAKADA SEIJI , GOTOU SHIGEKANE , SAITO TATSUO
IPC分类号： G01C3/06 , G02B7/32 , G03B13/36
摘要： PURPOSE:To prevent the influence of noise so as to improve distance measuring reliability by obtaining plural output signals while changing the gain gradually higher in the case of setting the gain value high, and then determining the gain on the basis of the average value of the obtained output signals. CONSTITUTION:In case there is need to set the gain to high value in order to set output signals from gain control amplifiers 18a, 18b to the appropriate level, the initial gain is set to the minimum value, and plural output signals are sampled from the gain control amplifiers 18a, 18b to determine the gain value on the basis of the average value of these output signals. Accordingly, even if noise is superimposed on some of these sampled output signals, its influence can be reduced to improve distance measuring accuracy.

13. 发明专利

JP2000350090A CAMERA 失效
公开(公告)号：JP2000350090A
公开(公告)日：2000-12-15
申请号：JP15957599
申请日：1999-06-07
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , NISHITANI YASUHIRO
IPC分类号： H04N5/235 , G03B15/05 , G03B19/02
摘要： PROBLEM TO BE SOLVED: To provide an electronic still camera with which a subject image can be confirmed before executing regular photographing in the case of photographing with low illuminance by making preliminary photographing of a subject image in the case of the preliminary light emission of a flashing device prior to regular photographing and displaying it. SOLUTION: A proper focusing position is obtained by a range value obtained by range calculation and a present camera cone position, and a camera cone is fed to a prescribed position by a 'lens set' and focusing is executed (S206). It is decided whether the flashing device is in a situation for emitting a light by the result of a light measuring processing concerning 'Is flashing device emitting light?' (S208). In 'preliminary light emission in flashing device', preliminary light emission where a light quantity is made equal to that of the regular light emission or smaller is executed (S210), and photographing is executed by the electronic still camera by 'imaging device is fetching image' simultaneously with the light emission (S212). The image photographed by 'displaying fetched image' is displayed on a liquid crystal monitor (S218). Thus, the image of the subject to be photographed is confirmed prior to recording, even when illuminance is low.

14. 发明专利

JP2000341562A COMPOUND CAMERA 失效
公开(公告)号：JP2000341562A
公开(公告)日：2000-12-08
申请号：JP15100799
申请日：1999-05-31
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , SHIINA MICHIHIRO , IWAI FUMIO , NISHITANI YASUHIRO
IPC分类号： H04N5/225 , G03B17/48 , H04N5/765 , H04N5/91
摘要： PROBLEM TO BE SOLVED: To prevent the wrong recording and wrong detection of magnetic information by inhibiting the display operation of an image display device, while the read/write operation of the magnetic information is performed in a compound camera which has both a film photographing function and an electronic photographing function. SOLUTION: When a film cartridge with remaining unexposed frames is loaded into a compound camera 10, the film is automatically fed to the position of the first unexposed frame by detecting the existence/absence of magnetic information written on the magnetically recording layer of the film. Since the reading processing of the magnetic information is executed by the magnetic head of the camera during this time, the display of a liquid crystal monitor 40 is turned off. Also, when one frame is fed after photographing, since photographic information related to a photographic frame, the number of prints information, title information, etc., are written as magnetic information on the film, and the display operation of the monitor 40 is inhibited during such magnetic information write operation.

15. 发明专利

JP2000338597A COMPOSITE CAMERA 失效
公开(公告)号：JP2000338597A
公开(公告)日：2000-12-08
申请号：JP15103799
申请日：1999-05-31
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , IWAI FUMIO , NISHITANI YASUHIRO
IPC分类号： H04N5/232 , G03B17/48 , G03B19/06 , H04N5/238
摘要： PROBLEM TO BE SOLVED: To obtain nearly the same image by detecting the screen changeover signal (vertical driving signal) of an electronic image pickup system by the controller (CPU) of a silver salt recording system and executing recording operation by both silver salt and electronic still image recorders in a timing delayed only by a specified screen changeover signal portion from a release signal in a composite camera provided with both recorders. SOLUTION: The timing pulse (DSCEXP signal) in the same cycle as that of the vertical driving signal (VD) of a CCD is supplied from the side of an electronic image pickup device (DSC) to the control CPU of the silver salt recorder (APS). The image fetch-in of the CCD and the shutter operation of the APS are synchronized in the timing of the vertical driving signal of an (n)th pulse (for instance second pulse) after the command of an exposure timing emitted because a release switch is totally depressed is received by the CPU on the side of the DSC. When the luminance of external light is higher than a reference value and also a stroboscope is used, the operation of the APS shutter is deviated by only one vertical driving signal portion for the image fetch-in timing of the CCD.

16. 发明专利

JPH11305325A CAMERA 失效
公开(公告)号：JPH11305325A
公开(公告)日：1999-11-05
申请号：JP10808798
申请日：1998-04-17
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , OMIYA AKIO , HAMADA HISASHI , SATO TOKUJI
IPC分类号： G03B17/00 , G03B17/28
摘要： PROBLEM TO BE SOLVED: To obtain a camera constituted so that a leader paper or a trailer paper can be tightly wound round a take-up spool. SOLUTION: Since a film is fed on a condition that a tunnel gap is set to be the small gap G1 for a 220 type immediately after it is started to be wound at an initial time, a photographic film 16 is tightly wound round the spool 17 on a condition that it is lightly interposed and tension is imposed when it is passed through the tunnel gap. Thus, since the winding state of the film 16 is not loosened, the feeding unfeasible state thereof is not caused by the excessive winding thickness thereof. When the part of a splicing tape 16c is passed through a pressing plate 42, the position of the plate 42 is switched so that the tunnel gap is set to be the large gap G2 for a 120 type. Thus, not only the 220 type film but also the 120 type film being thicker than the 220 type can be surely fed because the sticking part of the tape 16c where the thickness is most increased is smoothly passed through the pressing plate 42.

17. 发明专利

JPH11231405A CAMERA 失效
公开(公告)号：JPH11231405A
公开(公告)日：1999-08-27
申请号：JP3342198
申请日：1998-02-16
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： SAITO TATSUO , OMIYA AKIO , KAMODA TAKASHI , HAMADA HISASHI , SATO TOKUJI
IPC分类号： G03B7/24 , G03B17/28
摘要： PROBLEM TO BE SOLVED: To excellently maintain the flatness of a film at an image formation surface with respect to a camera using photographic roll film. SOLUTION: This camera is provided with pressing rollers 657 respectively arranged on both right and left sides of the aperture 653 of a rail face 651 and pressing a photographic film 100 to a pressing plate 53 by elastically projecting from the rail face 651 to the side of the pressing plate 53 and a pressing member 533 pressing both upper and lower end parts of the photographic film 100 to the side of the rail face 651 at the entrance part of a film take-up chamber 61 communicating with a film path held between the rail face 651 and the pressing plate 53 and provided at a rear cover 50.

18. 发明专利

JPH11231366A CAMERA 失效
公开(公告)号：JPH11231366A
公开(公告)日：1999-08-27
申请号：JP3342298
申请日：1998-02-16
申请人： FUJI PHOTO OPTICAL CO LTD , FUJI PHOTO FILM CO LTD
发明人： ARAI HIROYUKI , SAITO TATSUO , AKIBA MAKOTO , OMIYA AKIO
IPC分类号： G02B7/04 , G02B7/08 , G02B7/10 , G03B5/00
摘要： PROBLEM TO BE SOLVED: To accurately perform the adjustment of a focal distance and focusing at proper cost, in proper size and with proper power consumption by extending a lens barrel from a lens barrel standby position to a lens barrel extending position in the case of photographing, and extending a photographing lens front group part from a lens stanbdy position to a specified lens extending position so that photographing may be performed. SOLUTION: A zoom position is changed to any of four zoom positions. Before photographing, the lens barrel is extended to the lens barrel standby position in accordance with the set lens barrel extending position astern of the set zoom position (lens barrel extending position), and the photographing lens front group part 910 is made to stand by at the prescribed lens standby position. In the case of photographing, the lens barrel is extended from the lens barrel standby position to the set lens barrel extending position, and further the photographing lens front group part 910 is extended from the lens standby position to the lens extending position in accordance with a set or measured photographing distance, whereby photographing is performed.

19. 发明专利

JPH10319491A CAMERA WITH LIQUID CRYSTAL FINDER 失效
公开(公告)号：JPH10319491A
公开(公告)日：1998-12-04
申请号：JP13009097
申请日：1997-05-20
申请人： FUJI PHOTO FILM CO LTD , FUJI PHOTO OPTICAL CO LTD
发明人： NISHITANI YASUHIRO , SAITO TATSUO
IPC分类号： G03B17/28 , G02F1/13 , G03B17/18 , G03B17/20
摘要： PROBLEM TO BE SOLVED: To attain power-saving by turning on only a back light corresponding to an area necessary for display by dividing a liquid crystal display screen into plural areas and providing the back light at each area. SOLUTION: The display screen of a liquid crystal monitor 8 is divided into the plural areas, and the back light illuminating the liquid crystal display screen from back is provided at each area. Then, only the back light of the area necessary for the display out of the liquid crystal display screen is turned on, and the back light of the area unnecessary for the display is turned off. As for the dividing form of a screen; it may be divided into a screen display area and a character display area, and only the back light of the area related to the forming of a picture display area corresponding to a printing aspect ratio set by a viewing angle setting knob 21 is turned on, and the back light of the area which is not related to the forming of the picture display area is turned off.

20. 发明专利

JPH10319490A CAMERA WITH LIQUID CRYSTAL FINDER 失效
公开(公告)号：JPH10319490A
公开(公告)日：1998-12-04
申请号：JP13008997
申请日：1997-05-20
申请人： FUJI PHOTO FILM CO LTD , FUJI PHOTO OPTICAL CO LTD
发明人： NISHITANI YASUHIRO , SAITO TATSUO
IPC分类号： G02F1/13 , G03B17/18 , G03B17/20 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To attain power-saving without disturbing photographing by turning on and controlling a liquid crystal monitor for a specified time in the case that a camera is fixed by a means other than grasp by a photographer. SOLUTION: A touch sensor 9 is provided at the grip part 1A of the camera 1, and power supply to the liquid crystal monitor 8 is cut off when a fixed time passes after the touch sensor 9 does not detect the grasp of the camera 1, so that wasteful power consumption is prevented. Also, a tripod sensor is provided at a tripped screw hole on the bottom surface of the camera 1, and the liquid crystal monitor 8 is turned on at the time of using a tripod, so that the liquid crystal monitor 8 is made usable in accordance with the use state of the camera and the power-saving is attained. A sensor detecting whether an AC adapter is connected or not is provided at a terminal 13, and in the case of detecting that an external power source is connected by the sensor, the liquid crystal monitor 8 is always turned on.

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