公开(公告)号：JPH10295677A

公开(公告)日：1998-11-10

申请号：JP11452697

申请日：1997-05-02

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  TAKEUCHI SADAO ,  ITO YASUNOBU ,  OIKAWA YUKIO ,  IWAMOTO SHINICHI ,  TSUNEISHI SHOICHI

IPC: G01N21/49 ,  A61B5/145 ,  A61B5/1455 ,  A61B5/14

Abstract: PROBLEM TO BE SOLVED: To perform measurement of a number of specimens or a number of parts on one specimen quickly using a single unit of photo measuring device and prevent incidence of an external turbulent light into the light receiving part of a probe even in the multiple measuring. SOLUTION: A photo-measuring device is equipped with a probe 2 fitted in a single piece with a light projecting part to cast light onto a specimen and a light receiving part to receive the light diffused within the specimen, a supporting part 5 which puts the light projecting part and receiving part in contact with the specimen and supports them by means of grasping the probe, and a light shutoff part 3 which hinders an external turbulent light from being incident to the prove, at least to its light receiving part, whereby measuring is made upon pressing the probe to the specimen by grasping it, and after removal, another measuring point is measured, and in this manner, a number of specimens or a number of parts on one specimen are made measurable in a short time when incidence of external turbulent light to the light receiving part of the probe is well prevented. Thus inclusion of a measuring error originating from turbulent light is precluded, and also a measuring error associated with a movement of the measuring point precluded, and it is made practicable to measure a number of specimens or a number of parts on one specimen in a short period of time.

公开(公告)号：JPH10132519A

公开(公告)日：1998-05-22

申请号：JP30710896

申请日：1996-10-31

Applicant: SHIMADZU CORP

Inventor： KUMAZAWA YOSHIHIKO ,  EDA HIDEO ,  ODA ICHIRO ,  TSUNASAWA YOSHIO ,  KUMAGAI HIROAKI

IPC: G01B11/00 ,  A61B10/00 ,  G06T1/00

Abstract: PROBLEM TO BE SOLVED: To improve the unevenness of sensibility at every position due to the irregularity of the surface of a detected body. SOLUTION: A thin optical beam is radiated from a laser beam irradiating device 10 toward a detected body 71, and the then transmitted beam is made incident on a solid image pickup element 12 through a multifiber optical element 23 which has a surface-shape suited to the irregularity of the surface of the detected body 71 and is stuck fast to the surface of the detected body 71 and a convex lens, and the optical beam is scanned to take out only a picture element data corresponding to a scanned position among image data for one sheet obtained from the solid image pickup element 12 at every scanned position for creating the image.

公开(公告)号：JPH10127612A

公开(公告)日：1998-05-19

申请号：JP28994496

申请日：1996-10-31

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  TAKEUCHI SADAO ,  EDA HIDEO ,  TSUNEISHI SHOICHI ,  IWAMOTO SHINICHI

IPC: G01N21/49 ,  A61B5/145 ,  A61B5/1455 ,  A61B10/00 ,  G01N21/17 ,  A61B5/14

Abstract: PROBLEM TO BE SOLVED: To use an instrument in common for various measuring parameters or probes and various measuring modes such as an absolute value measuring mode and a simultaneous measuring mode at plural parts corresponding to the object or purpose of measurement. SOLUTION: Concerning the living body measuring instrument for optically measuring a living body by transmitting/receiving light to/from the living body while using any probe, this instrument is provided with a common connecting terminal 6 for connecting plural kinds of probes 10 having different measuring parameters and a storage means for storing the measuring parameters of plural kinds of probes 10, the living body measuring instrument is made common by making the connecting terminal common for the plural kinds of probes, and a target measured value is found by reading the measuring parameter corresponding to the connected probe out of the storage means and setting it. Besides, various kinds of measuring modes are enabled by connecting a single probe for absolute value measurement and a multichannel probe for change amount measurement to the common connecting terminal while switching them.

公开(公告)号：JPH09152402A

公开(公告)日：1997-06-10

申请号：JP33796495

申请日：1995-11-30

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  ITO YASUNOBU ,  ODA ICHIRO

IPC: G01N21/27 ,  A61B5/145 ,  A61B5/1455 ,  A61B10/00 ,  G01N21/17 ,  G01N21/35 ,  G01N21/359 ,  G01N21/49 ,  A61B5/14

Abstract: PROBLEM TO BE SOLVED: To obtain positional resolutions even when a photodetector is separated from a sample equal to those when it contacts the sample. SOLUTION: A plurality of photodetecting ends 12-1, 12-2... are fixed at an equal interval on a holder 24 to receive measuring light transmitted through a sample 2 diffusing at measuring points on the surface thereof. Convex lenses 10-1, 10-2... are fixed on the holder 24 between the sample 2 and photodetecting ends 12-1, 12-2... as imaging optical system by which images at respective measuring points on the surface of the sample are formed at the photodetecting ends 21-1, 12-2.... Output light diffused and transmitted through the inside of the sample 2 is admitted simultaneously into the number of the photodetecting ends 12-1, 12-2... to be received. At this point, images at the respective measuring points on the surface of the sample 2 are formed at the photodetecting ends 12-1, 12-2... corresponding thereto by the lenses 10-1, 10-2....

公开(公告)号：JPH07213512A

公开(公告)日：1995-08-15

申请号：JP2910794

申请日：1994-01-31

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  IWAMOTO SHINICHI

IPC: A61B5/145 ,  A61B5/1455 ,  A61B5/1495 ,  A61B5/14

Abstract: PURPOSE:To correct part of weighted coefficient used to calculate a desired component using the data of actually measured body. CONSTITUTION:A measuring optical system 50 makes a measuring light incident on a living body to measure a change in light absorption rate caused by a diffusion reflectance and diffusion transmission lights in the living body during a change in the living body condition using a frequency equal to or higher than that of a target component, a target component calculating block 52 calculates a change rate of each target component using the change in light absorption rate of a measured frequency and a weighted coefficient per measured frequency stored in a coefficient memory block 54 in the ordinary measurement mode. Besides the ordinary measurement mode, a calibration mode is provided, which measures a reaction in which only a limited specialized component is changed in a full wave length, that is, a excessive frequency. A coefficient calculation block 56 recalculates the weighted coefficient of limited component using a wave length overlapped information, and replace the existing setting data in the coefficient memory block 54 with a new data. The weighted coefficient of the item which has been calibrated becomes a value responding to the actually measured body, eliminating a bad influence on items that have not been calculated.

公开(公告)号：JPH06207904A

公开(公告)日：1994-07-26

申请号：JP35504592

申请日：1992-12-16

Applicant: SHIMADZU CORP ,  TOKYO ROKI KK

Inventor： FUKUI ISAO ,  TSUNASAWA YOSHIO ,  KUSUMOTO YUTAKA

IPC: G01N21/3577 ,  G01N21/35 ,  G01N21/59

Abstract: PURPOSE:To surely detect the deterioration of an oil by determining the degree of deterioration resulting from the oxidation (undissolved substance) from the absorbance of a shorter (longer) wavelength. CONSTITUTION:In an apparatus for a gasoline engine, a light source 11 generates a sufficiently intense light of 0.4-1.6mum wavelength. The intensity of the transmitted light of approximately 0.4-1mum wavelength among the light passing through a to-be-measured oil of a sample cell 12 is measured by a photocell 13. The intensity of the transmitted light of 0.9-1.6mum wavelength is measured by a photocell 14. Light source monitors 15, 16 compensate for the change of the intensity of the absorbed light in cells 13, 14 due to the change of the emitting intensity of the light source 11. The degree of oxidation is obtained according to a specific formula based on an integral value of the intensity of the transmitted light measured by the cell 13 with the wavelength and the intensity of the light of the light source measured by the corresponding monitor 15. Moreover, the amount of oil not dissolved is obtained by a specific formula from an integral value of the intensity of the transmitted light measured by the cell 14 with the wavelength and the intensity of the light of the light source measured by the monitor 16. The degree of deterioration of the lubricating oil is surely detected while the obtained degree of oxidation and the amount of the oil not dissolved are used as characteristics.

公开(公告)号：JPH0614907A

公开(公告)日：1994-01-25

申请号：JP19788892

申请日：1992-06-30

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO

IPC: A61B5/145 ,  A61B5/1455 ,  G01D5/36 ,  A61B5/14

Abstract: PURPOSE:To know to what degree a disturbance light or disturbance signal has an influence on measurement signal. CONSTITUTION:Semiconductor lasers of wavelengths lambda1-lambda3 are successively switched and lighted by a light source driving part 18, and the period for dark level of disturbance check mode where no semiconductor laser is lighted is also provided. The measuring light from a light transmitting part 8 is transmitted and scattered by a body 12 to be measured, entered to a light receiving part 10, and taken into a sample hold circuit 26 through a preamplifier 22. It is converted into a digital signal through a multiplexer 28 and taken into an arithmetic part 32, and the characteristic value in normal measuring mode and the disturbance change in disturbance check mode are calculated and displayed on a display part 34.

公开(公告)号：JPH03113372A

公开(公告)日：1991-05-14

申请号：JP25294889

申请日：1989-09-27

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  TAMAI TETSUO

IPC: G01N35/04 ,  G01N33/543

Abstract: PURPOSE:To reduce the size of the instrument and to increase the processing speed by using a reaction line unit in multiple structure wherein a reaction chain is composed of a chain, arrayed in three dimensions and advanced spirally in a vertical direction. CONSTITUTION:The reaction line 2 made of the snake chain connects with 240 reaction tube holders in series. A reaction tube supply device 6 supplies reaction tubes 4 of selected measurement items to the line 2, one by one, in order and this position is regarded as a start point. A sample dispensing part 8 and a reagent dispensing part 10 are arranged in the advance direction of the line 2 in order from the start point, a cleaning mechanism 12 and a substrate liquid dispensing part 14 are then arranged across a 1st incubator unit 64, and an absorbance measuring part 16, a discharging and cleaning part 18, and a reaction tube removing mechanism 20 are arranged across a 2nd incubator unit 66. Further, the reaction time can be adjusted by connecting a reaction line unit additionally.

公开(公告)号：JPH02254343A

公开(公告)日：1990-10-15

申请号：JP7755689

申请日：1989-03-28

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO

IPC: G01J3/42 ,  G01N21/27

Abstract: PURPOSE:To enable accurate assay by providing a correction function to determine a correction absorbance from actually measured absorbance by a function containing a coefficient not depending on a concentration of a sample, indicating a band width of a spectroscope and an inclination of a spectrum of a sample to be measured as parameter. CONSTITUTION:Sample cells C1, C2... are set on an automatic sample exchanger T and moved to a measuring position sequentially being controlled by a computer K. Then, the computer K takes in outputs of one or more of photo detectors Di, Dj... specified previously in the order of the cells C1, C2... on the exchanger T according to a given program and absorbance corrected to a desired substance in a sample is calculated according to a specified formula. A concentration of the desired substance is determined from a data of a calibration curve given about the substance to be recorded on a recorder together with a sample number.

公开(公告)号：JPH02143143A

公开(公告)日：1990-06-01

申请号：JP29888688

申请日：1988-11-25

Applicant: SHIMADZU CORP

Inventor： TSUNASAWA YOSHIO ,  ARASHIMA HIDEYOSHI

IPC: G01N21/11

Abstract: PURPOSE:To accurately suck a sample by an expected suction amount and to utilize all prepared samples effectively by providing an arrival detector to a flow cell conduit, adjusting the time when calibrating liquid is sucked to the arrival detector, and calculating a suction capacity coefficient. CONSTITUTION:The tube 6 of the liquid sensor 10 of a flow cell device used for a spectrophotometer, etc., is a transparent tube, which is run through the circular hole of the black case 14 of the liquid sensor 10; and a phototransistor TR 18 is arranged in the case 14 at the tube 6 at right angles to the light incidence direction of a light emitting diode 16. When the tube 6 of this sensor 10 is filled with transparent liquid, light from the diode 16 is incident on the TR 18 through the tube 6 and when the liquid absorbs the light, no light arrives at the TR 18, whose output signal goes up to high level, so that the TR 18 turns on. Then, a pump 8 is turned on and off to control the suction of the calibrating liquid and sample to the flow cell 2, and the capacity Vo for calculating the suction capacity coefficient K in a calibrating stroke is the capacity from the tip 4a of the suction tube 4 to the sensor 10.