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81. 发明专利

JPS5235947A INFORMATION PROCESSING UNIT FOR IMAGINARY MEMORY SYSTEM 失效
公开(公告)号：JPS5235947A
公开(公告)日：1977-03-18
申请号：JP11095975
申请日：1975-09-16
申请人： HITACHI LTD
发明人： HAYASHI KENJI , MIYATERA HIROO
IPC分类号： G06F12/10 , G06F9/06 , G06F9/34 , G06F12/08 , G06F13/00 , G11C8/00
摘要： PURPOSE:To enable the information processing unit using imaginary memory system which can change the mode to another mode without invalidating all the entries of address conversion buffer.

82. 发明专利

JPH0897821A METHOD AND EQUIPMENT FOR RADIO DATA COMMUNICATION AND SYSTEM THEREFOR 失效
公开(公告)号：JPH0897821A
公开(公告)日：1996-04-12
申请号：JP22624694
申请日：1994-09-21
申请人： HITACHI LTD
发明人： HAYASHI KENJI
IPC分类号： H04B7/15 , H04B7/26 , H04W16/26 , H04W24/00 , H04W84/12 , H04W88/04 , H04L12/28
摘要： PURPOSE: To easily enlarge the communication range of a radio data communication network at a low cost without laying a wire LAN. CONSTITUTION: Plural stations A-E respectively provided with the transmission/ reception function of radio waves for carrying frames including information are arranged so as to overlap a part of zones A-E which are the reaching ranges of the respective radio waves. Between the station A and the station E, for instance, which can not mutually directly perform communication, by relaying linked through plural routes (A, C, D and E or A, B, C, D and E) by the other stations B and C and the station D, a communicable range is enlarged.

83. 发明专利

JPH0511592B2 失效
公开(公告)号：JPH0511592B2
公开(公告)日：1993-02-15
申请号：JP2239785
申请日：1985-02-07
申请人： HITACHI LTD
发明人： HAYASHI KENJI
IPC分类号： G21C15/18 , G21C15/00 , G21C19/07

84. 发明专利

JPH0526006A THERMAL OR ATOMIC POWER PLANT 失效
公开(公告)号：JPH0526006A
公开(公告)日：1993-02-02
申请号：JP18004391
申请日：1991-07-22
申请人： HITACHI LTD
发明人： MURAKAMI TORU , HASHIBA MASAYUKI , SUZUKI MASAKI , HAYASHI KENJI
IPC分类号： E04H5/02 , F01K13/00 , F16L1/024 , G21D1/00
摘要： PURPOSE:To shorten the construction period of a thermal or atomic power plant sharply, and economize piping member by drilling a cooling water passage in parallel with construction work. CONSTITUTION:A man-made-rock 4 is placed and fixed on a base rock 7, and after that a cavity is excavated by an excavator 3 in the man-made-rock 4 in parallel with construction work, of a thermal or atomic power plant, for a building body 8 provided on a foundation upper part, or the like. Then, a water proof coating member 2 is applied on the circumference surface of the cavity, and a cooling water passage 1 is drilled.

85. 发明专利

JPH02190046A NETWORK MANAGEMENT EQUIPMENT 失效
公开(公告)号：JPH02190046A
公开(公告)日：1990-07-26
申请号：JP846389
申请日：1989-01-19
申请人： HITACHI LTD
发明人： HAYASHI KENJI
IPC分类号： H04L12/24 , H04L12/26
摘要： PURPOSE:To accurately recognize the occurrence of a fault by reproducing plural fault messages with a different expression form as unitary fault information based on a cause to the fault depending on recognition processing, conversion processing and analysis processing. CONSTITUTION:Management information transferred individually from each sub network is received by a communication control section 101 and a recognition processing section 102 applies comparison processing between the received management information with the content of a recognition table 103 to extract only a fault message and decomposes the message in the unit of parameters. A conversion processing section 104 compares and extracts the decomposed fault information by referencing a conversion table 105 and converts the information into the fault information of the standard form. An analysis processing section 106 discriminates whether or not the converted fault message of the standard form and a fault message transferred within a prescribed time before the converted fault message is transferred result from one and same fault and displays the fault information unitaryly based on its cause. Thus, the overlook of the occurrence of a fault is prevented and a fault location and its cause or the like are quickly recognized.

86. 发明专利

JPH01137162A VERY LOW TEMPERATURE REFRIGERANT RECOVERING DEVICE 失效
公开(公告)号：JPH01137162A
公开(公告)日：1989-05-30
申请号：JP29408387
申请日：1987-11-24
申请人： JAPAN ATOMIC ENERGY RES INST , HITACHI LTD
发明人： SHIBANUMA KIYOSHI , SHIBATA TAKEYORI , MATSUMOTO KOZO , HAYASHI KENJI , KAJIWARA HIROTAKE
IPC分类号： F25B9/02 , F25B9/00 , F25D3/10 , F25D13/00
摘要： PURPOSE:To optimize control of switching of return refrigerant gas, by a method wherein a steady valve is located in a line running from a substance to be cooled through a very low temperature regrigerant carrier piping to a freezer, a precooling valve in a line running from the substance to be cooled to a compressor, the steady valve and the precooling valve are switched and controlled according to the temperature of return refrigerant gas and a valve opening control speed is increased and controlled during control of opening of the steady valve. CONSTITUTION:A control device 11 controls a precooling valve 7 and a steady valve 6 according to the value of an outlet thermometer 10. Namely, when the value of the outlet thermometer 10 exceeds a set value, the steady valve 6 is closed and the precooling valve 7 is fully opened. At a time (a) when the value of the outlet thermometer 10 reduced to a value lower than the set value, the steady valve 6 is opened at a comparatively slow control speed (between (a) and (b)). After a time (b) when the opening of the steady valve 6 is increased to a specified value, a control speed is increased to a relatively high value to open the steady valve 6 (between (b) and (c)). After a time (c) when the opening of the steady valve 6 is increased to a maximum, after the precool valve 7 and the steady valve 6 are held in a fully opened state for a specified time (between (c) and (d)), the precooling valve 7 is rapidly brought into a full opening state, and switching control is completed (at a time (e)).

87. 发明专利

JPS63316180A DESIGN AID METHOD AND ITS DESIGN AIDING DEVICE 失效
公开(公告)号：JPS63316180A
公开(公告)日：1988-12-23
申请号：JP15116487
申请日：1987-06-19
申请人： HITACHI LTD
发明人： YOSHIDA NAOTO , YOSHINAGA TOSHIAKI , MURAKAWA TOSHIO , HAYASHI KENJI
IPC分类号： G06F17/50
摘要： PURPOSE:To facilitate the confirmation of an installed location in a plant by generating and displaying a drawing of a layout object and a discharge pool area based on a data extracted from a storage means. CONSTITUTION:In case of designating a layout area LAR from an input device 4, a processing procedure from a processing procedure storage section 5b is entered in an arithmetic section 5a. The arithmetic section 5a retrieves a picture data relating to the LAR from a LAR picture data storage device 8, reads it via an input section 5j, converts it into a picture of display form and the result is displayed (1) via a picture data output section 5e and a picture data storage device 3. In case of designating a menu area from the device 4, the arithmetic section 5a reads it from a LA object LA data storage device 6, extracts it from an object data stored in an intermediate data storage section 5c to display (1) the coordinate. In case of entering the LA kind data from the device 4, a discharge section installation reference data from the storage device 7 to display (1) the installation drawing for the LA object and the discharge pool area.

88. 发明专利

JPS61187690A FUEL POOL COOLING PURIFICATION SYSTEM FACILITY 失效
公开(公告)号：JPS61187690A
公开(公告)日：1986-08-21
申请号：JP2631685
申请日：1985-02-15
申请人： HITACHI LTD
发明人： HAYASHI KENJI
IPC分类号： G21C19/307 , G21C19/30

89. 发明专利

JPS6161236A Optical disk reproducing device 失效
标题翻译：光盘再现设备
公开(公告)号：JPS6161236A
公开(公告)日：1986-03-29
申请号：JP18429484
申请日：1984-09-03
申请人： Hitachi Ltd
发明人： TAKEUCHI TAKASHI , ARAI TAKAO , ONUKI HIDEO , HAYASHI KENJI
IPC分类号： G11B7/00 , G11B7/005 , G11B7/09 , G11B7/14
CPC分类号： G11B7/14
摘要： PURPOSE:To make simultaneous reproduction of plural information tracks and tracking error detection at the same time by providing a diffraction grating and a light detector and thereby reproducing information of the first, second and third tracks simultaneously. CONSTITUTION:A beam spot consists of a spot 23b made by 0-order diffracted light and spots 23c, 23a caused by + or - first-order diffracted light, and each of them is irradiated on adjoining information tracks 25, 24, 26. A beam spot 19 irradiated on a light disk 8 is reflected and becomes reflected light 20, and enters a detecting section 22. A tracking error signal 5 is taken out as difference signals of photodiodes 22a, 22c by using a differential amplifier 27. On the other hand, reproduced RF signals are taken out from a photodiode 22b, and by passing outputs of photodiodes 22a, 22c through high-pass filters 28, 29 respectively. The tracking error signal is obtained by raising the intensity of + or - first- order diffracted light out of reflected light, and at the same time, irradiated information track can be read.
摘要翻译：目的：通过提供衍射光栅和光检测器同时再现多个信息轨道和跟踪误差检测，从而同时再现第一，第二和第三轨道的信息。构成：束斑由由0级衍射光构成的光点23b和由+或 - 一级衍射光引起的光点23c，23a组成，并且它们各自照射在相邻的信息轨道25,24,26上。A 照射在光盘8上的光点19被反射并成为反射光20，并进入检测部分22.通过使用差分放大器27将跟踪误差信号5作为光电二极管22a，22c的差信号取出。另一方面从光电二极管22b中取出再现的RF信号，并且通过分别通过高通滤波器28,29的光电二极管22a，22c的输出。通过提高反射光的+或 - 一级衍射光的强度而获得跟踪误差信号，同时可以读取照射的信息轨迹。

90. 发明专利

JPS60161527A EXHAUST RATE MEASURING APPARATUS OF VACUUM PUMP 失效
公开(公告)号：JPS60161527A
公开(公告)日：1985-08-23
申请号：JP1512984
申请日：1984-02-01
申请人： HITACHI LTD
发明人： FUJITA TSUNEO , HAYASHI KENJI
IPC分类号： G01F1/40 , G01F1/42
摘要： PURPOSE:To make it possible to measure an exhaust rate up to an ultra-high vacuum region at every sucking pressure section of a vacuum pump., by partitioning a measuring dome into two chambers by an orifice and attaching the vacuum pump. for measuring the exhaust rate to the downstream side chamber while connecting a gas supply circuit and an evacuation circuit to the upstream side chamber. CONSTITUTION:In order to measure the exhaust rate of the vacuum pump 1 connected to the lower part of a test dome 2, the test dome 2 is evacuated by the vacuum pump 1, in such a state that the valve 10 and the leak valve 18 connected to the test dome 2 are closed, so as to allow the pressure in said dome 2 to reach objective pressure and the internal pressure of the test dome 2 reaching objective pressure is confirmed by pressure gauges 4, 5 provided before and after an orifice while the residual gas in the test dome 2 is investigated by a gas analyser 6 and the exhaust rate at the objective pressure is calculated from pressure difference between the pressure gauges 4, 5 and the conductance of the orifice by the residual gas.

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