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31. 发明专利

JPS5453923A NOISE ELIMINATING CIRCUIT 失效
公开(公告)号：JPS5453923A
公开(公告)日：1979-04-27
申请号：JP12054977
申请日：1977-10-07
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H04N5/21 , H04N9/00 , H04N9/77
摘要： PURPOSE:To obtain the circuit less in S/N depreciation, by enabling to reject noise surely from the video signal regradless of the movement of picture, in the circuit rejecting the noise of TV video signal. CONSTITUTION:The detection circuits 5a and 5b detecting the minimum difference signal minimizing the absolute value of the difference level signal of plurality between the signal of a plural number of video elements of other field screen corresponding to the vicinity of the video element X of a location of the field screen having video signal and the signal of the video element X of a position are provided, and the non-linear circuits 6A and 6B feeding the minimum value signal of the circuit 5a and 5b and outputting the linear and non-linear output signal depending on the level are provided. The output of the circuts 6A and 6B is fed and added to the synthesizing circuit 8 through the latch circuits 7A and 7B having the delay time for phase compensation. Further, if the level of the minimum difference signal is less than a given number, the arithmetic mean between the signal of the other field screen corresponding to the minimum difference signal and the signal of the video element X is performed with the mean circuit 9, outputting video signal rejecting noise at the output terminals 2.

32. 发明专利

JPS53141535A NOISE ELIMINATOR CIRCUIT 失效
公开(公告)号：JPS53141535A
公开(公告)日：1978-12-09
申请号：JP5682577
申请日：1977-05-17
申请人： SONY CORP
发明人： EBIHARA NORIO , NISHIKAWA SUSUMU
IPC分类号： H04N5/21 , G11B5/027 , G11B20/02 , H04N5/91
摘要： PURPOSE:To obtain a video signal with noises eliminated effectively, by removing a signal whose absolute level value is less than a fixed value among a plural number of output signals of a DC-AC converter circuit tsupplied to a non-linear circuit and an output whose absolute level value is largest when all absolute level values are less than the fixed value from the input video signals.

33. 发明专利

JPH1124645A COLOR THREE-DIMENSIONAL COORDINATE INPUT DEVICE 失效
公开(公告)号：JPH1124645A
公开(公告)日：1999-01-29
申请号：JP17918897
申请日：1997-07-04
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： G06F3/041 , G06F3/03 , G06F3/048 , G09G5/02 , G09G5/10
摘要： PROBLEM TO BE SOLVED: To appropriately specify a prescribed color light and display the changes in the color light at real time by requiring color light information for controlling the display of respective three-dimensional components of the specified color three-dimensional coordinate based on the color three-dimensional coordinates outputted from a three-dimensional coordinate read-out part. SOLUTION: Information fetched out by a three-dimensional digitizer 1 is not three-dimensional position information but color information in the three- dimensional solid. The information taken out in a color coordinate system specifies B, G, R or Ye, Ma, Cy as the X, Y, and Z coordinate axes from the three-dimensional color coordinates of the three primary colors R, G, B (red, green, and blue) of addition color mixture or the three primary colors Ye, Ma, Cy (yellow, magenta, and cyanogen) of subtraction color mixture. The luminance level of each axis is changed to 0-Max respectively so that the three- dimensional space is defined. When the three-dimensional components of an arbitrary point are controlled respectively using the color three-dimensional coordinates fetched out by a three-dimension digitizer 1, the color light of the arbitrary point can be easily found.

34. 发明专利

JPH0845693A DIMMING METHOD 失效
公开(公告)号：JPH0845693A
公开(公告)日：1996-02-16
申请号：JP19721894
申请日：1994-07-29
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H05B41/24 , H02M7/48 , H05B41/38
摘要： PURPOSE:To prevent flicker and hysteresis effectively and generate wide range dimming easily by setting the repeatitive frequency of pulse signals to a point in the neighborhood of the specific value. CONSTITUTION:The duty ratio of frequency signals in the neighborhood of the repetitive frequency 120 is varied by a waveform generator 2 in accordance with the brightness level set by the user and is subjected to PWM modulation, and the obtained pulse signals are fed to a lighting circuit 3. The pulse signals are received by the reception part 5 of the lighting circuit 3 and forwarded to a changeover part 6, and a signal transmitter 8 in the lighting circuit 3 oscillates stable high frequency signal and gives it to the changeover part 6. The changeover part 6 changes over the fed high frequency signal in conformity to the pulse signal and forwards it to a lamp driver 7. This prevents the hysteresis phenomenon due to high frequency and flicker due to low frequency which are likely to occur at the time of dimming, and PWM dimming can be performed even with a pulse width which may appear both in the lighting mode and exciting mode.

35. 发明专利

JPH0845321A LIGHTING SYSTEM 失效
公开(公告)号：JPH0845321A
公开(公告)日：1996-02-16
申请号：JP19731494
申请日：1994-07-28
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： F21S2/00 , A61L9/20 , C09D5/22 , F21V8/00 , F21V13/10 , G03B21/20 , F21S1/00
摘要： PURPOSE:To provide a lighting system capable of evenly illuminating an object of illumination without unevenness in visual sense, by constructing the illuminator in such a manner that each of radiant light sources is allowed to radiate light other than that in a visible wavelength range and the radiated light is then entered into a fluorescent screen comprising one face of a light transmission sheet coated with a fluorescent agent so as to radiate visible light. CONSTITUTION:Plural germicidal lamps 2 radiating respective ultraviolet light are used in a light box 1 and arranged in a rectangular parallelepiped box composed of a fluorescent screen, made of a light transmission sheet 7 having a fluorescent agent coat layer 8 formed on its inner side, and a reflecting sheet 4. When an electric current in this construction is applied to each of the germicidal lamps 2 forming respective light sources so as to radiate ultraviolet light, the direct one of the ultraviolet light and the rest reflected by the reflecting sheet 4 are then entered into the fluorescent screen 3 and the fluorescent agent coat layer 8 is consequently excited to efficiently radiate light so as to convert the ultraviolet light into visible one by the exciting wavelength light of the germicidal lamps 2. This process provides an illuminator capable of evenly illuminating an object of illumination without the shadows of the germicidal lamps 2 projected on the object via the fluorescent screen 3, and without unevenness in visual sense.

36. 发明专利

JPH0513023A CATHODE-RAY TUBE FOR PROJECTION TUBE 失效
公开(公告)号：JPH0513023A
公开(公告)日：1993-01-22
申请号：JP15908591
申请日：1991-06-28
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H01J29/86 , H01J31/10
摘要： PURPOSE:To substantially decrease the thickness of a frontal glass so as to increase the injectable energy of the electron beam in a projection cathode-ray tube a frontal glass whose inside face is inwardly curved. CONSTITUTION:The wall-thickness of a frontal glass 12 can be uniformized and also substantially decreased by inwardly curving not only the inside face 20 of the frontal glass 12 but also the outside face 18 thereof in the shape of a convex.

37. 发明专利

JPH04318765A REMOTE CONTROLLER 失效
公开(公告)号：JPH04318765A
公开(公告)日：1992-11-10
申请号：JP8681091
申请日：1991-04-18
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H04N5/00 , H04Q9/00
摘要： PURPOSE:To attain ease of operation and to attain the mode selection and level selection at a low cost by using a laser beam radiation means to control plural light receiving means integrated in an electronic device and providing a selection function on each of the light receiving means CONSTITUTION:Four light receiving devices 2a-2d integrating a photodetector are integrated in a television receiver 1. Each of the light receiving devices has a filter transmitting only a light of a wavelength of a laser beam LB from a laser pistol 7 and a photodetector converting the light transmitted through the filter into a current. When the laser beam LB is made incident on a relevant light receiving device, a current is obtained from the photodetector. Mode setting and adjustment are implemented by detecting the current.

38. 发明专利

JPH04212141A VIDEO PROJECTOR 失效
公开(公告)号：JPH04212141A
公开(公告)日：1992-08-03
申请号：JP2748691
申请日：1991-02-21
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： G02B5/00 , G02B5/20 , G03B21/00 , G03B33/12 , G09F9/00 , H04N5/74 , H04N9/31
摘要： PURPOSE:To project a video image having high color purity and excellent contrast on a screen. CONSTITUTION:A lens part 4 is arranged in the front of a cathode ray tube (CRT)2 projecting the video image on a fluorescent screen 3, video image light 7 projected from the fluorescent screen 3 by light emission is made incident on a mirror 5, and reflected, and then, the video image is projected on the screen 6. Then, a dichroic mirror 11 having the a dichroic coating layer on a black glass plate absorbing visible light is provided. In other words, the light of an unnecessary component in the light component of the emitted light of the CRT2 and external light except the reflection zone of the dichroic mirror are absorbed.

39. 发明专利

JPH01264146A LUMINESCENCE CONTROL OF CATHODE-RAY TUBE 失效
公开(公告)号：JPH01264146A
公开(公告)日：1989-10-20
申请号：JP9072288
申请日：1988-04-13
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H01J29/89 , H04N5/68
摘要： PURPOSE:To instantly erase an afterimage by utilizing the accelerated phosphorescence and negatively accelerated phosphorescence phenomenon generated when infrared rays or red rays are illuminated to phosphors and controlling the afterglow of phosphors of a cathode-ray tube. CONSTITUTION:A slender light conductor 2 is provided near the upper side of the front glass 1 of a cathode-ray tube, one end of an optical fiber group 3 is connected along the lengthy direction of the light conductor 2. The other end of this optical fiber group is bundled into a small shape, its end face is neared and faced to a shutter 4. An infrared ray permeating filter 5 is arranged behind this shutter 4, an incandescent lamp 6 is arranged behind it. Infrared rays or red rays are illuminated during the preset period such as the vertical blanking period of the video signal. The accelerated phosphorescence and negatively accelerated phosphorescence phenomenon is effectively utilized, the afterglow of phosphors can be nearly instantly erased, phosphors with a long afterglow time are used, thus a bright screen can be obtained.

40. 发明专利

JPH01166445A STEREOSCOPIC PICTURE DISPLAY DEVICE 失效
公开(公告)号：JPH01166445A
公开(公告)日：1989-06-30
申请号：JP32468087
申请日：1987-12-22
申请人： SONY CORP
发明人： NISHIKAWA SUSUMU
IPC分类号： H01J31/22 , H04N13/04
摘要： PURPOSE:To enable an excellent lenticular picture image to be obtained by forming the front surface glass of a cathode-ray tube with F.O.P. and sticking a lenticular sheet on its front surface. CONSTITUTION:The front surface glass of a cathode-ray tube 1 is formed with fiber optics plate F.O.P. 2, and a lenticular sheet 3 is stuck on the front surface of this F.O.P. 2. Also, a fluorescent screen 4 is formed on the rear surface of the F.O.P. 2. The F.O.P. is formed by means of plural minute optical fibers bundled so as to be formed into a plate shape. With this arrangement, a picture image formed on the fluorescent screen 4 can be taken out on the rear surface of the lenticular sheet 3 directly so that an extremely excellent stereoscopic picture can be obtained.

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