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31. 发明专利

JPS52150916A AUTOMATIC TESTING SYSTEM 失效
公开(公告)号：JPS52150916A
公开(公告)日：1977-12-15
申请号：JP6766276
申请日：1976-06-11
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO
IPC分类号： H04M3/26 , H04M3/32
摘要： PURPOSE:To simplify the figure setting part such as the dial, etc. which is equipped to the operation surface of the test equipment, and thus to facilitate the memory test for the storage circuit.

32. 发明专利

JPS5291109A MOTOR WITH FREQUENCY GENERATOR 失效
公开(公告)号：JPS5291109A
公开(公告)日：1977-08-01
申请号：JP666676
申请日：1976-01-26
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO , NAKAMURA TSUTOMU , GOTOU TOSHIHIKO
IPC分类号： H02K21/24 , H02K11/00 , H02K29/14
摘要： PURPOSE:The voltage induced on the dynamic coil by conducting in the driving coil is negated by arranging a cancellation coil in the simple structure, and thus the speed signal output is made not influenced by the change of the driving current and the ratio S/N is improved.

33. 发明专利

JP2583896B2 失效
公开(公告)号：JP2583896B2
公开(公告)日：1997-02-19
申请号：JP15959287
申请日：1987-06-29
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO , USUI SANPEI
IPC分类号： G01N33/50 , G01N35/02

34. 发明专利

JP2515716B2 失效
公开(公告)号：JP2515716B2
公开(公告)日：1996-07-10
申请号：JP3421084
申请日：1984-02-27
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO , FUKUSHIMA TOSHIHIKO , MYAMOTO SEIGO , TAKESO MASANORI , SAYO KOSAKU , EMI KENJI
IPC分类号： F25B1/00

35. 发明专利

JPH04286961A DISPENSER 失效
公开(公告)号：JPH04286961A
公开(公告)日：1992-10-12
申请号：JP5218691
申请日：1991-03-18
申请人： HITACHI LTD , HITACHI ELECTR ENG
发明人： KIYAMA MASAHARU , USUI SANPEI , FUJITA MASAHIKO , KIKUSHIMA AKIRA , MIYAZAKI YUSUKE
IPC分类号： G01N35/02 , G01N35/10
摘要： PURPOSE:To compensate a position of a moving body of an automatic dispenser and to achieve a stable operation. CONSTITUTION:A stable operation can be achieved by maintaining a positional deviation of a moving body during dispensing operation within an allowable range. Zero-point positioning of a plunger drive mechanism 6 and an up/down traveling mechanism 7 is performed for each specified number of operations. A position detector of the plunger drive mechanism 6 and the up/down drive mechanism 7 is provided. Then, when a traveling error of the plunger or a tip portion exceeds a specified value by the position detector, zero-point positioning of the plunger drive mechanism 6 or the up/down traveling mechanism 7 is performed, thus enabling the position to be compensated for.

36. 发明专利

JPH04131076A NUCLEIC ACID-EXTRACTING MACHINE 失效
公开(公告)号：JPH04131076A
公开(公告)日：1992-05-01
申请号：JP25016890
申请日：1990-09-21
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO , KANBARA HIDEKI , MURAKAWA KATSUJI
IPC分类号： G01N33/50 , C07H1/08 , C07H21/00 , C12M1/00
摘要： PURPOSE:To prepare a nucleic acid-extracting machine capable of highly reliably extracting nucleic acid from a small amount of a living body sample by arranging a container-transferring mechanism and a centrifugal machine in a specific state and disposing a specific container-carrying mechanism between the container-transferring mechanism and the centrifugal machine. CONSTITUTION:The transfer block 1b of a container-transferring mechanism is arranged so as to pass through above the container-loading holes 2a of a centrifugal machine, and when the containers on the container-transferring mechanism reach above the holes 2a, a rotor 2c is lifted and the containers are fit into the holes 2a. An elastic member which is the container-fixing member of the container-transferring mechanism is contracted by the use of a container-attaching or detaching machine 3 to release the containers. A rotor 2c and the container-attaching or detaching machine 3 are returned to original positions thereof, respectively.

37. 发明专利

JPH04111660A METHOD AND APPARATUS FOR SELECTING TRANSFER CALL ROUTE OF TELEPHONE EXCHANGE NETWORK 失效
公开(公告)号：JPH04111660A
公开(公告)日：1992-04-13
申请号：JP22829190
申请日：1990-08-31
申请人： HITACHI LTD
发明人： HAMAGUCHI NAOHISA , FUJITA MASAHIKO
IPC分类号： H04M3/54 , H04M3/42
摘要： PURPOSE:To select a transfer call route efficiently by using a route usable in connection paths set at first corresponding to a call again and selecting only a remaining route again. CONSTITUTION:When a caller subscriber 10 dials a dial number 68-2518 of a called subscriber 30 to set a connection path 123. In this case, when the called subscriber 30 has already set an incoming call to be transferred to a subscriber 50, an exchange station 3 informs it to an exchange station 1 that the call is commanded to be transferred to a number 66-2124 of a subscriber 50. The exchange station 1 receives a transfer destination number 66 while holding the connection path 123, selects a route output 1a again and informs it to the exchange station 2 that the route output 1a is selected again and uses the route output 1a consecutively. The exchange station 2 holds the route 2a and analyzes transfer destination information, its translator selects a route output 2b corresponding to the transfer destination number 66 to open the route 2a. As a result, the connection path 125 is set.

38. 发明专利

JPH0349153B2 失效
公开(公告)号：JPH0349153B2
公开(公告)日：1991-07-26
申请号：JP20907883
申请日：1983-11-09
申请人： HITACHI LTD
发明人： KANO KYOSHI , FUJITA MASAHIKO
IPC分类号： G11B21/12 , G11B5/54 , G11B17/34 , G11B19/20

39. 发明专利

JPH0316648A DISPENSER 失效
公开(公告)号：JPH0316648A
公开(公告)日：1991-01-24
申请号：JP14960789
申请日：1989-06-14
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO
IPC分类号： G01N1/00 , B01L3/00 , B01L99/00 , C12M1/00 , G01N35/10
摘要： PURPOSE:To obtain the dispenser from which a liq. is not dropped through its tip before the air in a barrel is expanded during the transportation and the liq. is discharged by saturating the vapor pressure from the volatile liq. before the desired amt. of the liq. is sucked and transported. CONSTITUTION:A vessel 12 and a chip 1 to be dispensed are placed at a specified position. A frictional engaging part 2 is positioned directly above the chip by a horizontal moving mechanism. A stepping motor 7a is driven to lower or raise the frictional engaging part, and the chip is inserted. The chip is then placed directly above the liq. by a horizontal driving mechanism. The stepping motor is further driven to lower the chip, and the tip of the chip is dipped in the liq. to be sucked. The dispenser is stopped for a specified time under such conditions. Accordingly, since the vapor pressure contained in the air in the barrel part 3 is saturated and almost equalized to atmospheric pressure, the liq. is not dropped before the succeeding dispensation and discharge are started.

40. 发明专利

JPH01208685A REFRIGERATING DEVICE 失效
公开(公告)号：JPH01208685A
公开(公告)日：1989-08-22
申请号：JP3074288
申请日：1988-02-15
申请人： HITACHI LTD
发明人： FUJITA MASAHIKO , USUI SANPEI
IPC分类号： F25D11/02 , F25B25/00 , F25D11/00
摘要： PURPOSE:To manufacture a refrigerating device, having a small thermal load as well as two different temperature levels, simply, by a method wherein the heat of a cold storage chamber, having a high preservation temperature, is exchanged between the heat of the evaporator of a refrigerating cycle and the heat of a refrigerating chamber is exchanged between the heat of a low-temperature surface of a Peltier element to cool it while the heat of the high-temperature surface of the same element is exchanged between the heat of the evaporator of the refrigerating cycle. CONSTITUTION:The low-temperature surface 9a of a Peltier element 9 is provided at the side of a refrigerating chamber 5a, the high-temperature surface 9b of the element is provided at the side of an evaporator 6, the refrigerating chamber 5a and a cold storage chamber 5b are provided with temperature detectors 10a, 10b while a controller 11, controlling the operations of a compressor 1 as well as the Peltier element 9 in accordance with values obtained by the temperature detectors 10a, 10b, is provided. The cold storage chamber 5b is cooled by the heat exchange of the evaporator 6 while the refrigerating chamber 5a is cooled by producing the flow of heat from the refrigerating chamber 5a to the Peltier element low-temperature surface 9a and the same from the Peltier element high-temperature surface 9b to the evaporator 6. This device is suitable for the control of two temperatures, such as -20 deg.C and 4 deg.C for example, of a reservation chamber for the automatic processing device of a living organism such as DNA or the like.

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