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    • 91. 发明专利
    • COORDINATE INPUT DEVICE
    • JPS5862774A
    • 1983-04-14
    • JP16228681
    • 1981-10-12
    • NIPPON ELECTRIC CO
    • ISHIKAWA TSUTOMU
    • G06F3/045G06F3/033
    • PURPOSE:To attain accurate input with a simple operation, by opposing the 1st board having an X, Y electrode couples with a surface resistance body and the 2nd board having a surface shape electrode. CONSTITUTION:On the 1st insulating board 201, a surface resistance body 104 is coated and X electrode couple 280 and Y electrode couple 280' are provided near the opposing side of the surface resistance body 104 and connected to X matching circuit 202 and Y matching circuit 202'. On the opposing surface of the 1st board 201, the 2nd board 206 having flexibility and provided with a surface electrode 205 is arranged. By depressing the 2nd board 206 through the use of an arbitrary input means 208, X coordinate value 293 and Y coordinate value 293' are introduced from X operating mechanism 292 and Y operating mechanism 292'. X correcting resistor 501 and Y compensating resistor 501' correct the linearity around the body 104.
    • 94. 发明专利
    • GAS DISCHARGE DISPLAY PANEL
    • JPS5667145A
    • 1981-06-06
    • JP14249879
    • 1979-11-02
    • NIPPON ELECTRIC CO
    • ISHIKAWA TSUTOMU
    • H01J11/10H01J11/28H01J11/36H01J11/38H01J11/42H01J17/49
    • PURPOSE:To control ions which are generated by means of discharge and obtain a long life and high resolution display panel by optically providing a transparent control electrode on the second insulating substrate that is opposed to a group of discharge electrodes on the first insulating substrate. CONSTITUTION:A group of fully narrow line width discharge electrodes which have an insulator 902 at the surface intersection section 901 of the first insulating substrate 401 consisting of glass or ceramic and which consist of a group of X and Y electrodes that are electrically insulated and intersected and the surface is coated with a dielectric 103. A discharge path 105 is formed near the surface of the dielectric 103 in the discharge space 201. On the other hand, the second insulating substrate 210 is arranged in the direction of display surface opposed to the first substrate 401 and a control electrode 202 consisting of optically transparent nesa glass is provided on the surface of the second substrate 210. Further an ultraviolet excited fluorescent layer 104 is coated on the electrode 202. This can prevent the fluorescent body from being deteriorated obtain a long life and high resolution display panel.
    • 95. 发明专利
    • GAS DISCHARGE INDICATION PANEL
    • JPS5539165A
    • 1980-03-18
    • JP11279278
    • 1978-09-12
    • NIPPON ELECTRIC CO
    • YASUDA SUSUMUISHIKAWA TSUTOMUMIMIZUKA TAKAO
    • H01J11/10H01J11/14H01J11/38H01J11/42
    • PURPOSE:To improve the brightness and the efficiency and to achieve high density by arranging the discharging electrodes skilfully. CONSTITUTION:A plurality of parallel electrodes 11 are located on a transparent or opaque insulation board 110 then a dielectric member 112 is provided on it. An insulation layer 113 is provided on the dielectric member 112 while crossing the electrode 111 and an electrode 114 is provided in parallel on the insulation layer 113. While furthermore a dielectric member 112 for insulating the electrode 114 from the discharging space 105 is provided and a protective meterial 116 is coated on the upper face of the dielectric member 112. A fluorescent member layer 104 coated at least on the indicating section, and a layer 119 for prevent the ultraviolet ray produced through the discharging from leaking to the adjascent indicating cell are provided on an optically transparent insulation board 117 located in the indicating direction. Upon application of discharging voltage between the electrodes 111 and 114, the fluorescent member layer 104 is excited to emit the light 122.
    • 99. 发明专利
    • OPTICAL HEAD
    • JPS60258740A
    • 1985-12-20
    • JP11487284
    • 1984-06-05
    • NIPPON ELECTRIC CO
    • ISHIKAWA TSUTOMUSHIGA TOMIJI
    • G02B7/28G11B7/09G11B7/12
    • PURPOSE:To eliminate the need for a cylindrical lens by forming a symmetrical axis vertical to an optical axis including the center of reflected light of the same pattern as that of a parallel light to a focus detecting means and forming a photoelectric converting region symmetrical to the axis with inversion mutually to attain ease of position adjustment of a reflected light detector. CONSTITUTION:The photoelectric converting regions 222a, 222b and a light dead band region 230 are formed as axial inversion symmetry while an effective diameter 220 of reflected light 106 on a track 209, that is, the vicinity of the center line of a circle of the same pattern as that of the parallel light 204 is used as a symmetrical axis 224. Thus, the irradiated area of the reflected light 106 on the photoelectric conversion regions 222a, 222b at the focusing position is equal, output signals 226, 227 are equal and an error signal 229 is zero. Thus, the direction of a condenser lens 101 to be moved is decided depending on the polarity of the error signal 229 and the distance to be moved is decided, then the position of the collected light spot 102 is focused always.
    • 100. 发明专利
    • OPTICAL HEAD
    • JPS60129941A
    • 1985-07-11
    • JP23605883
    • 1983-12-16
    • NIPPON ELECTRIC CO
    • ISHIKAWA TSUTOMU
    • G02B9/02G11B7/135
    • PURPOSE:To obtain a miniature and simple optics head with low cost by using a focusing rod lens of a large caliber which turns the beams given from a light source into parallel ones to form a collimator lens system. CONSTITUTION:For a collimator lens system, the beams radiated from a laser light source 201 are turned into parallel beams 206 through a focusing rod lens 203 of a large coliber which has a microfocus surface and a short focus with about 10mm. length. Therefore an optical path of about 10mm. suffices with the lens system. This can solve a problem where the size of an optical head is increased owing to the size of the collimator lens system. Furthermore both manufacturing processes, the material cost, etc. can be reduced since the production is not needed for plural microlenses. In addition, the lens 203 can be unified with the source 201 or a polarizing prism 207. This can omit additional parts such as a spacer, a lens holder, etc. As a result, the constitution of an optical head is simplified.