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1. 发明专利

JPH0862179A ELECTROLYTE ANALYZER 失效
公开(公告)号：JPH0862179A
公开(公告)日：1996-03-08
申请号：JP2363395
申请日：1995-02-13
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： MIMAKI HIROSHI , SATO TAKEHIDE , KURIMURA MASAAKI , SAITO KIYOTAKA
IPC分类号： G01N27/28 , G01N27/27 , G01N27/416
摘要： PURPOSE: To provide an electrolyte analyzer in which a stable concentration response output is obtained by an ion selection electrode and by which a measuring system can be processed at a high speed. CONSTITUTION: A living-body sample is introduced into an ion selection electrode block 30, and an electrolyte in the sample is measured. A sample introduction block 32 which has a heating function is arranged at the previous stage of the electrode block 30, and the sample introduction block 32, the electrode block 30 and a reference electrode 31 are housed inside a thermostatic bath 33 which maintains a constant temperature. A syringe 4 which decides the flow velocity of the sample in such a way that the sample passing the sample introduction block 32 is preheated so as to be brought close to the temperature of an ion selection electrode and which temporarily stops the preheated sample inside the ion selection electrode, is provided. The temperature of the sample inside the ion selection electrode is set so as to become to be substantially the same temperature as that of an ion selection electrode film by means of the flow velocity of the sample and by means of the temporary stop of the sample inside the ion selection electrode.

2. 发明专利

JPH07159417A METHOD OF WASHING PASSAGE OF AUTOMATIC CHEMICAL ANALYZER 失效
公开(公告)号：JPH07159417A
公开(公告)日：1995-06-23
申请号：JP30252293
申请日：1993-12-02
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： SAITO KIYOTAKA , IKEDA TOMOKO
IPC分类号： G01N1/00 , G01N35/10
摘要： PURPOSE:To achieve a washing of a reagent passage totally necessary for maintaining the performance of an automatic chemical analyzer easily and effectively without replacement between a reagent and, a detergent and purified water. CONSTITUTION:A pump 3 and a pipetter are provided to feed a detergent 1 and purified water 2 to a reagent passage, a three-way solenoid valve 5 to switch passages of the detergent 1 and the purified water 2 and a solenoid valve 6 to control the feeding of liquid, a multi-way changeover valve 7 to switch over to a plurality of analysis channels sequentially, a changeover valve 10 to switch the passages of a suction side tube 8 and a discharge side tube 9 and, drain passages 11 and 12 to drain the detergent and the purified water. A reagent storage 14 is provided to have a reagent container 13 set therein.

3. 发明专利

JP2000105239A BIOCHEMICAL AUTOMATIC ANALYZER 失效
公开(公告)号：JP2000105239A
公开(公告)日：2000-04-11
申请号：JP27459598
申请日：1998-09-29
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： OTAKI TOMOMASA , SAITO KIYOTAKA , YOKOSE TAIZO , IMAI KYOKO
IPC分类号： G01N33/52 , G01N21/27 , G01N35/00
摘要： PROBLEM TO BE SOLVED: To simply and surely detect abnormality, and to predict a life of a replacing component, by measuring an absorbance using a colored substance after absorbance measurement using pure water to determine that a data trouble exists in any side out of a photometric system and a dispensing system. SOLUTION: Washing for reaction vessels is started, a fixed amount of water are dispensed into one specified vessel and a plurality of reaction vessels, respectively, to measure absorbances, and measured results are determined as a check (1) and a check (2) respectively. The check (1) is compared with the check (2) to judge whether a cause exists in the reaction vessel or a light source based on an allowance value. Pure water is thereafter dispensed after a fixed amount of colored substance are dispenced from a sample probe into the plural reaction vessels (group A) after washing. The fixed amounts of the colored substance and pure water are delivered at the same time into another reaction vessels (group B) with no sample dispensed, using a reagent probe. Absorbance- measured values of the groups A, B are determined as checks (4), (5), and the checks (4), (5) are compared each other to judge whether a cause exists in deterioration of sampling precision or in a reagent pipetting mechanism.

4. 发明专利

JPH11101756A ELECTRON MICROSCOPE 失效
公开(公告)号：JPH11101756A
公开(公告)日：1999-04-13
申请号：JP26325397
申请日：1997-09-29
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： SAITO KIYOTAKA , UENO TAKEO , TANAKA HIROYUKI
IPC分类号： G01N23/225 , H01J37/22
摘要： PROBLEM TO BE SOLVED: To obtain an electron microscope by which an X-ray analysis in a plurality of visual fields is performed automatically, which omits a complicated operation and whose operability and operating efficiency are enhanced, by a method wherein a plurality of points to be analyzed are stored on the side of the electron microscope and on the side of a video camera system and a movement to an arbitrary point to be analyzed and a dislocation in the movement are corrected automatically. SOLUTION: A visual field in which an X-ray analysis is performed is fecthed by a camera control unit 2, image data in which the center of its image is used as a measuring point is stored in a microcomputer 5 so as to be used as an image A, and also the position of a sample in an electron microscope 3 is stored simultaneously. Then, the position of the sample in the measuring point of a selected visual field is fetched into a television camera 1 and the unit 2 by a sample control unit 7 so as to be used as an image B, a place with which the image A agrees in the image B is specified, an electron beam is deflected to its coordinates by an electron beam control unit 9, a beam spot is applied, and the X-ray analysis is started. As a result, a plurality of visual fields can be analyzed automatically and continuously in such a way that an observing and photographing operation and the X-ray analysis are not repeated alternately by the microscope 3.

5. 发明专利

JPH09274040A METHOD AND APPARATUS FOR AUTOMATIC IMMUNITY ANALYSIS 失效
公开(公告)号：JPH09274040A
公开(公告)日：1997-10-21
申请号：JP8120496
申请日：1996-04-03
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： SAITO KIYOTAKA , HAYASHI MASAMI , SHICHIJI MASARU
IPC分类号： G01N33/543 , G01N35/02
摘要： PROBLEM TO BE SOLVED: To enhance the reliability of a measured result by a method wherein, according to the compared result of areas in ranges which are designated arbitrarily on the basis of a reaction process absorbence, the existence of a reaction suppression phenomenon due to the excess of an antigen is judged. SOLUTION: A sampling disk 2 is turned, a sample container 1 into which a sample is put is moved to a sampling position, and a sample in a constant is put is sucked by a sampling mechanism 3 so as to be discharged into a reaction container 7. The reaction container 7 is moved to a reagent dispensing position in a next cycle so as to be stopped, and a reagent is added by a reagent disk 4a and a reagent pipetting mechanism 5a. Then, whenever a reaction disk 8 is turned, the reaction container 7 crosses an optical axis, and an absorbance is measured by a photometer 10, a wavelength selector 11 and the like. A CPU 15 compares areas in two ranges which are disignated arbitrarily on the basis of a reaction process absorbance (i.e., computes an area ratio), and the existence of a reaction suppression phenomenon due to the excess of an antigen is judged accordingly. The measured absorbance is contorted into a concentration so as to be output.

6. 发明专利

JPH03148068A EQUIPMENT-MAINTENANCE DISPLAY DEVICE OF AUTOMATIC BIOCHEMICAL ANALYZING APPARATUS 失效
公开(公告)号：JPH03148068A
公开(公告)日：1991-06-24
申请号：JP28749589
申请日：1989-11-06
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： YOKOSE TAIZO , SAITO KIYOTAKA
IPC分类号： G01N35/00
摘要： PURPOSE:To make it possible to perform equipment maintenance MA positively and readily by providing a display constitution wherein the data for the arrival of the period of the maintenance MA of a part, overall positioning of an apparatus, disassembly of parts to be replaced or cleaned and adjustment and confirmation after MA can be retrieved. CONSTITUTION:In communication between an accumulated-operation-time memory element 28b and a time-period memory element 28a at every time when a power source is turned ON, the data of a part whose MA period arrives are immediately transmitted to a first data output element 28c. The names of the parts are displayed on a CRT 20 all together. When the position of the part is to be found based on the data, a second data output element 28d is operated by the external input from an operating panel 21, and the quartered constitution is illustrated 29. When the MA part is to be judged more definitely, the expanded graphic is displayed 29 by using a third data output element 28e. The part to be replaced or cleaned is illustrated 29 with a fourth data output element 28f. Whether the MA has been normally conducted or not and the inspected part are illustrated 29 with a fifth data output element 28g. Therefore, the trouble check after the MA can be confirmed, and the recurrence of the trouble can be prevented.

7. 发明专利

JPH02171657A TROUBLE DIAGNOSING DISPLAY DEVICE FOR AUTOMATIC BIO-CHEMICAL ANALYZER 失效
公开(公告)号：JPH02171657A
公开(公告)日：1990-07-03
申请号：JP32584988
申请日：1988-12-26
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： YOKOSE TAIZO , SAITO KIYOTAKA
IPC分类号： G01N35/00
摘要： PURPOSE:To achieve a higher efficiency in diagnosis treatment for a trouble by arranging a plurality of trouble diagnosis information elements so that a trouble being analyzed is diagnosed by stages to determine the part thereof. CONSTITUTION:This comprises first, second and third pieces of trouble diagnosis information and they are classified by three stages to perform a trouble diagnosis by stages and to search a part pertaining to a case. First, a troubled part generated during an analysis is displayed automatically on a Braun tube CRT 29 from a first trouble diagnosis. On this information, when a searching fails with an element 21, information stored in a second trouble diagnosis information element 22 is inputted from a keyboard 5 and a part as cause of the trouble is displaced graphically. Furthermore, information stored in a third trouble diagnosis element 23 to clarify a positioning is inputted from the keyboard 5 to display the part by being magnified. Thus, a diagnosis of a trouble is accomplished by stages to reduce time for a trouble diagnosis and a treatment therefor, thereby achieving a higher diagnosing efficiency.

8. 发明专利

JP2000105246A AUTOMATIC ANALYZER 失效
公开(公告)号：JP2000105246A
公开(公告)日：2000-04-11
申请号：JP27461198
申请日：1998-09-29
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： HAYASHI MASAMI , HATTORI MITSUO , SAITO KIYOTAKA , MIMAKI HIROSHI
IPC分类号： B65G1/00 , B65G43/00 , G01N35/02 , G01N35/04
摘要： PROBLEM TO BE SOLVED: To quickly analyze a rack mounted with a sample having an analyzing priority by providing a buffer part capable of storing plural racks loop-likely on a conveying line in an automatic analyzer in which the racks mounted with the sample are conveyed on the conveying line to be analyzed. SOLUTION: When a rack buffer part 12 is formed into a circular form, such motion is repeated that a rack 1 is conveyed from an A-line 2 in order, and that it is stored in the order of an R11 part 19 of the buffer part 12 and its R21 part 20 through a B1 line 6. When a specific position R31 part 21 of the buffer part 12 is served as the rack exclusive to the rack having a priority, the R31 part 21 is rotated on an extended line of the B1 line 6 to be prior to the rack 1 conveyed already to the buffer part 12 in the case where the rack 1 having the priority for analysis is conveyed, and the rack 1 having the priority is stored to the buffer part 12. A rack feed switch is allowed to be provided in the vicinity of the buffer part 12 to feed directly the rack 1 having the priority.

9. 发明专利

JPH08271519A METHOD FOR DETERMINING ACCURACY OF PHOTOMETRIC SYSTEM IN AUTOMATIC CHEMICAL ANALYZER 失效
公开(公告)号：JPH08271519A
公开(公告)日：1996-10-18
申请号：JP7110395
申请日：1995-03-29
申请人： HITACHI LTD , HITACHI INSTRUMENTS ENG
发明人： SHICHIJI MASARU , SAITO KIYOTAKA , SUGAWARA KENJI
IPC分类号： G01N21/75 , G01N21/01 , G01N21/27 , G01N35/00
摘要： PURPOSE: To determine the quantity of light of a light source lamp under a state where a photocell is free from contaminant, flaw or bubble along with contamination, flaw or adhesion of bubble of the photocell. CONSTITUTION: The system for determining the accuracy of photometric system comprises a reaction disc 5 arranged with a plurality of reaction cases 3, i.e., photocells, on the circumference thereof, mechanisms 6a-6d for cleaning the reaction cases 3 before starting analysis and after ending analysis, a spectrometer 7 for separating the light from the light source lamp 1 into monochromatic lights, and a detector 4 for detecting the quantity of light.

10. 发明专利

JP2002181829A BIOCHEMICAL AUTOMATIC ANALYZER 失效
公开(公告)号：JP2002181829A
公开(公告)日：2002-06-26
申请号：JP2000381160
申请日：2000-12-15
申请人： HITACHI LTD , HITACHI SCIENCE SYSTEMS LTD
发明人： MOTEGI NAOYA , SAITO KIYOTAKA , MIMURA TOMONORI
IPC分类号： G01N35/00 , G01N21/25 , G01N35/02 , G01N35/04
摘要： PROBLEM TO BE SOLVED: To realize a biochemical automatic analyzer capable of investigating influence of contamination without respect to the degree of knowledge and skill of a user and informing occurrence of a defect in a function suppressing generation of contamination to the user for preventing generation of a measurement error. SOLUTION: An item combination determined to be contaminated is extracted (step S7-1) to be determined whether it is equal to a previous determination result or not (step S7-2). If the determination results are different from each other in the step S7-2, it is determined that a defect occurs in a function of suppressing generation of contamination, that is, in a cleaning mechanism, and in an alarm display part of a CRT, an alarm showing occurrence of the defect in the cleaning mechanism is displayed. In this way, the device condition can be monitored without respect to the degree of skill of the user, and generation of the measurement error due to a defect in the device condition can be prevented.

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