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41. 发明专利

JP2000162123A RAINDROP DETECTING DEVICE 失效
公开(公告)号：JP2000162123A
公开(公告)日：2000-06-16
申请号：JP34010998
申请日：1998-11-30
申请人： CENTRAL GLASS CO LTD
发明人： NISHIKAWA SHINJI , ASAKURA MOTOO
IPC分类号： B60S1/08 , G01N21/17 , G01N21/35 , G01N21/3577 , G01V8/10 , G01W1/14 , G02B5/32
摘要： PROBLEM TO BE SOLVED: To provide a raindrop detecting device capable of not only facilitating the introduction of light from a light emitting element to a transparent plate body and introducing light from the transparent plate body to the light receiving element with a simple device but also improving the detection sensitivity. SOLUTION: In this raindrop detecting device, the detection light from a light emitting element 4 is introduced into a transparent plate body 1 such as single plate glass or laminated glass and totally reflected in the transparent plate body 1, and the detection light in the transparent plate body 1 is received by a light receiving element 5 to detect a raindrop. An optical element for converging a scattered light or parallel light to make most of the detection light incident on the light receiving element 5 is provided on the surface of the transparent plate body 1, which is a total reflecting surface, or in the inner part thereof.

42. 发明专利

JPH11196395A DISPLAY DEVICE 失效
公开(公告)号：JPH11196395A
公开(公告)日：1999-07-21
申请号：JP35943897
申请日：1997-12-26
申请人： CENTRAL GLASS CO LTD
发明人： KOBAYASHI KAZUYA , NISHIKAWA SHINJI , ASAKURA MOTOO
IPC分类号： H04N7/14
摘要： PROBLEM TO BE SOLVED: To visually recognize display information from the front by providing a half mirror to which an optical rotator rotated by a specified angle is stuck to between an eye point and a display surface. SOLUTION: A case 6 stores an indicator 1 to whose front a polarizing plate 2 that polarizes to an S wave is stuck, a half mirror 4 which has rotating film 3 stuck to the rear and forms a reflection film on the topmost surface on the side of the indicator and an image pick means such as a CCD. The means 5 is arranged so as to be directly in front of an eye point 8 and the mirror 3 is arranged tilted so as to have the angle made with a wire connecting the point 8 to the means 5 to be 90 deg. minrss the Breevster angle. When the indicator is arranged so that the angle made with the wire connecting the point 8 to the means 5 is an angle that is doubles the Browster angle in the emitting direction of the display information, the angle of incidence θ to the half mirror of display information becomes equal to the Breewster angle.

43. 发明专利

JPH10115802A DISPLAY DEVICE 失效
公开(公告)号：JPH10115802A
公开(公告)日：1998-05-06
申请号：JP26985096
申请日：1996-10-11
申请人： CENTRAL GLASS CO LTD
发明人： ASAKURA MOTOO , NISHIKAWA SHINJI , KOBAYASHI KAZUYA , NAKAMURA ISAO
IPC分类号： G02F1/13 , G02B5/30 , G02B27/00 , G02B27/01 , G02B27/28
摘要： PROBLEM TO BE SOLVED: To make double images invisible in spite of having a simple structure by irradiating sandwich glass formed by successively laminating an rotary polarization element layer, translucent reflection layer, and rotary polarization element layer with a light formed by polarizing the display information from a display to P waves at an angle near a Brewster angle, reflecting this light and displaying the information on the display side. SOLUTION: Outdoor side sheet glass 1 consists of the rotary polarization element layer 2, translucent reflection layer 3, rotary polarization element layer 4, indoor side sheet glass 1', and an intermediate film 5. When the display light contg. both of an S wave and P wave is emitted from the display 7 arranged to make the display information incident on the sandwich glass 6 at the Brewster angle (θ=56.6 deg.) by the display 7 and a P polarizing means 8, the light polarized to the P wave by the P polarizing means 8 arrives at the indoor side sheet glass 1' and the light of the entire quantity is made incident on the inside of the sandwich glass. This light is optically rotated to the S wave by the rotary polarization element layer 4 and arrives at the translucent reflection layers 3 where the S wave is optically rotated to the P wave and arrives at the boundary of the indoor side sheet glass 1' and the air. The entire quantity is visually recognized by the driver's eyes 9 and the total quantity of the one light turns to the P wave.

44. 发明专利

JPH1038515A METHOD AND DEVICE FOR STICKING OPTICAL ROTATOR ELEMENT 失效
公开(公告)号：JPH1038515A
公开(公告)日：1998-02-13
申请号：JP19887996
申请日：1996-07-29
申请人： CENTRAL GLASS CO LTD
发明人： ASAKURA MOTOO , KOBAYASHI KAZUYA
IPC分类号： G01B11/00 , G02B27/01 , G02B27/02 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To accurately and quickly stick an optical rotator element to a prescribed location on a transparent platy body by discriminating the position of the rotator element by seeing the rotator element through a second polarizing plate provided on the opposite side of a first polarizing plate when the rotator element is moved to the prescribed location by holding the rotator element while the first polarizing plate is positioned at a reference position. SOLUTION: A first polarizing plate 5 is stuck to a transparent substrate 2 after the part of the plate 5 is punched off by the width of the section formed of the maximum and minimum allowable external sizes against the reference position of an optical rotator 1. A second polarizing plate 7, the polarizing direction of which is parallel or perpendicular to that of the first polarizing plate 5, is mounted on the front end of a video camera 8 and positioned. Then, the rotator element 1 is put on the rotator element sticking spot of the transparent substrate 2 with a robot arm 9 and whether or not the rotator element 1 is at a prescribed position is judged by turning on an electric lamp 6 and taking the picture of the rotator element 1 with a video camera 8, and then, processing the gradation video of the rotator element 1 and judging whether or not black and gray parts continue over the full circumference of the rotator 1. After it is confirmed that the rotator 1 is at the prescribed position, the rotator 1 is stuck to the substrate 2.

45. 发明专利

JPH09175844A LAMINATION BODY 失效
公开(公告)号：JPH09175844A
公开(公告)日：1997-07-08
申请号：JP33721795
申请日：1995-12-25
申请人： CENTRAL GLASS CO LTD
发明人： ASAKURA MOTOO , KOBAYASHI KAZUYA , NISHIKAWA SHINJI
IPC分类号： B60J1/00 , B32B17/10 , C03C27/12 , G02B5/30 , G02B27/01
摘要： PROBLEM TO BE SOLVED: To obtain a lamination body improved not only in attractiveness but in safety by reducing yellowness. SOLUTION: In this lamination body, an optically functional film 1 is adhered to glass plates 5, 5' on the outside of a room and one of the glass plate and an intermediate film is colored when the lamination body is a combined glass. In case of a single plate glass, the optically functional film 1 is adhered to the plate glass and the plate glass is colored. In case of a lamination body 7 in which a transparent resin plate is adhered to the plate glass, the optically functional film 1 is adhered to the plate glass and the plate glass or the transparent resin plate is colored. In each case, the color difference between a part to which the optically functional film 1 is adhered and the other part is brought to

46. 发明专利

JPH08292393A DISPLAY DEVICE 失效
公开(公告)号：JPH08292393A
公开(公告)日：1996-11-05
申请号：JP9887895
申请日：1995-04-24
申请人： CENTRAL GLASS CO LTD
发明人： KOBAYASHI KAZUYA , YAMATE TAKASHI , ASAKURA MOTOO
IPC分类号： G02B5/30 , B60J1/00 , B60R1/00 , G02B27/01 , G02B27/02
摘要： PURPOSE: To make double images invisible and to improve the luminance of display images by laminating a translucent reflection film on the room side surface of a polarization direction adjusting film and forming an antireflection film on the surface of room side sheet glass. CONSTITUTION: The translucent reflection film 5 is laminated on the room side surface of the polarization direction adjusting film 3 and antireflection films 2 are formed on the surfaces of room side sheet glass, 1, 1'. The light polarized to an S wave by an S polarizing means 11 first arrives at the room side sheet glass 1 when display light of driving information, etc., including the S wave and P wave is emitted from a display means 10. The antireflection film 2 exists on the surface and, therefore, the light is hardly reflected an almost the entire quantity of the light is made incident on the inside of sandwich glass 9. The light is reflected by the translucent reflection film 5 and is visibly observed by the driver's eyes 12. On the other hand, the light past the translucent reflection film 5 is polarized to the P wave by the polarization direction adjusting film 3 and is made incident on the outdoor side sheet glass. This light is emitted from the rear surface of the glass or the exit angle is a Brewster angle at the boundary and, therefore, the light is not reflected at all and the whole quantity is emitted as the P wave. The double images does not arise at all.

47. 发明专利

JPH08259280A LAMINATED GLASS 失效
公开(公告)号：JPH08259280A
公开(公告)日：1996-10-08
申请号：JP6950695
申请日：1995-03-28
申请人： CENTRAL GLASS CO LTD
发明人： KOBAYASHI KAZUYA , ASAKURA MOTOO
IPC分类号： G02B5/30 , B60J1/00 , B60K35/00 , C03C27/12 , G02B27/01 , G02B27/02
摘要： PURPOSE: To provide a laminated glass sufficient in resistances to penetration and impact and with the effect of UV on a polarizing direction control film reduced. CONSTITUTION: This laminated glass 7 is obtained by making two glass sheets adhere to each other through an intermediate film. A polarizing direction control film 1 is adhered to the face on the intermediate film side of the glass 5' on the outdoor side through a UV absorbent-contg. adhesive 4. The film 1 is torsion-nematically oriented in the liq. crystal state, and a double image is not seen over the visible region due to an optical rotor consisting of a liq. crystal polymer vitrified below the transition temperature of the liq. crystal.

48. 发明专利

JPH08171019A LOUVER 失效
公开(公告)号：JPH08171019A
公开(公告)日：1996-07-02
申请号：JP31520694
申请日：1994-12-19
申请人： CENTRAL GLASS CO LTD
发明人： NISHIKAWA SHINJI , ASAKURA MOTOO
IPC分类号： G02B5/00 , G02B5/32
摘要： PURPOSE: To decrease the quantity of direct sunshine without darkening the interior of a room, to suppress the incidence of the sunshine and to assure an external visual field by freely turnably disposing plural sheets of long-sized vanes formed by laminating hologram sheets recorded with first and second diffraction gratings. CONSTITUTION: Plural sheets of the long-sized vanes 3 formed by laminating the hologram sheets 1 recorded with first diffraction gratings for diffracting the sunshine and the second diffraction gratings for display are freely turnably arranged on a transparent plate 2. The sunshine advances nearly rectilinearly like a dotted line T1 in the case of the absence of the vane plates 3 if the sunshine is made incident on plural sheets of the vane plates 3 long in a horizontal direction formed by laminating the hologram sheets 1 on the transparent plate 2 in the case of using the louver for light collection but there are the vane plates 3 laminated with the hologram sheets 1 and, therefore, the sunshine is diffracted so as to be specularly reflected by the first diffraction gratings. The first diffraction gratings are merely necessitated to be diffracted outside the room if the louver is used for light shielding.

49. 发明专利

JPS5256115A METHOD OF DRESSING SILICA 失效
公开(公告)号：JPS5256115A
公开(公告)日：1977-05-09
申请号：JP13140175
申请日：1975-11-04
申请人： CENTRAL GLASS CO LTD
发明人： ISHII YUKIO , KURATA MASAHIRO , KURAHASHI MASANORI , ASAKURA MOTOO , KOUJITANI NOBORU
IPC分类号： C03C1/02 , B03C1/00 , C03B1/00 , C03C1/00

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