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1. 发明专利

JPS60123789A METHOD AND APPARATUS FOR DETECTING BURIED MAGNETIC BODY 失效
公开(公告)号：JPS60123789A
公开(公告)日：1985-07-02
申请号：JP23104283
申请日：1983-12-07
申请人： HITACHI LTD
发明人： KITAMORI TAKEHIKO , KONDOU MASAHIRO , FUJII MASAAKI , KITAGUCHI HIROSHI , INOUE KOUTAROU , IDEUMI SHIGERU
IPC分类号： G01V3/08
摘要： PURPOSE:To make it possible to detect the buried position of a magnetic body, by measuring magnetic force generated between the embedded magnetic body and a magnetic field generating apparatus by said apparatus. CONSTITUTION:A current is supplied to a measuring system such as an oscillator 22 and a lock-in amplifier 24 from a power source 20 through a stabilizing power source 21 and the oscillator 22 supplies oscillator output to a magnetic field generating apparatus 23 to generate an AC magnetic field. In addition, a reference signal is inputted to the reference signal side of the amplifier 24 from the oscillator 22. On the other hand, a magnetic force detecting probe 25 is slid along the ground surface and the DC component obtained from the probe 25 at a magnetic body embedded place is removed by a bridge 26 while only the AC component is inputted to the signal side of the amplifier 24 through a potentiometer 27. The output signal amplified by the amplifier 24 is recorded by a recorder 28, and the presence or absence and buried depth of a buried magnetic body can be determined on the basis of the output signal of the amplifier 24.

2. 发明专利

JPS60111981A QUANTITATIVE ANALYSIS OF STRONTIUM 失效
公开(公告)号：JPS60111981A
公开(公告)日：1985-06-18
申请号：JP21944583
申请日：1983-11-24
申请人： HITACHI LTD
发明人： KONDOU MASAHIRO , FUJII MASAAKI , KITAGUCHI HIROSHI
IPC分类号： G01T1/167
摘要： PURPOSE:To enable quick analysis of the radio-active Sr with a simple operation, by the simultaneous measurement of weak gamma and beta beams emitted from the Sr and determination of total quantity of Sr and Sr. CONSTITUTION:The ratio-active Sr in the liquid specimen of the atomic power installation is treated chemically for preparing a pure Sr specimen 1. gamma and beta beams discharged by decay of an isotope Sr are measured with detectors 3, 2 and the measured both radio-active beams are counted simultaneously for determination of the Sr in a quantitative way. Further, the beta-beams emitted from Sr and Sr are measured with a detector 2 for evaluation of the total quantity of Sr and Sr, and by subtracting the quantity of Sr subjected to quantitative evaluation from the total radio-active capacity, the quantity determination of the Sr is accomplished.

3. 发明专利

JPS6070385A DISCRIMINATION OF RADIOACTIVITY IN HUMAN BODY 失效
公开(公告)号：JPS6070385A
公开(公告)日：1985-04-22
申请号：JP17803683
申请日：1983-09-28
申请人： HITACHI LTD
发明人： KITAGUCHI HIROSHI , FUJII MASAAKI , KONDOU MASAHIRO
IPC分类号： G01T1/163 , G01T1/169
摘要： PURPOSE:To discriminate composite contamination in the human body and on the surface of the body with good accuracy, by collating the ratio of the photoelectric effect component and that of the Compton scattered component of gamma-rays obtained by measuring a person to be measured from two different directions. CONSTITUTION:A radioactivity detector 3 is moved with the movement of a moving stand 37 by the indication of CPU 16 to measure the radioactivity of a person 1 to be measured in the stature direction thereof. The output signal thereof is inputted to CPU 16 through an amplifier 12 and stored in an external memory apparatus 17 while the radioactivity level distribution in the stature direction is displayed by display 13. The measured value thereof is compared with a predetermined level and, when the person 1 is contaminated with a radioactive substance, the detector 3 is allowed to move to the contaminated position detected by a position detector 6 and allowed to further move to the contaminated position on the circumference of a circle having the body axis as a rotary axis by a position detector 104 to perform the measurement of radioactivity in two directions crossing at right angles. The output thereof is sent to CPU 16 through the amplifier 12 and a crest analyser 13 and the ratio of a photoelectric effect component is collated with that of a Compton scattered component to discriminate the composite contamination in the body and on the surface of the human body with good accuracy.

4. 发明专利

JPS5845597A DEVICE FOR MANAGING ENTRANCE AND EXIT OF ROOM 失效
公开(公告)号：JPS5845597A
公开(公告)日：1983-03-16
申请号：JP14389781
申请日：1981-09-14
申请人： HITACHI LTD
发明人： FUJII MASAAKI , KUDOU MASASHI , KITAGUCHI HIROSHI , KONDOU MASAHIRO , KOMORI ITARU
IPC分类号： G01T1/00 , E05F15/20 , G01T7/00 , G08B21/00 , G08B21/22 , G21C17/00

5. 发明专利

JPS5822996A DEVICE OF AUTOMATICALLY ANALIZING RADIOACTIVE NUCLIDE 失效
公开(公告)号：JPS5822996A
公开(公告)日：1983-02-10
申请号：JP12078581
申请日：1981-08-03
申请人： HITACHI LTD
发明人： KITAGUCHI HIROSHI , KAMIYA KUNIO , KONDOU MASAHIRO
IPC分类号： G01T1/167 , G21C17/00 , G21C17/02

6. 发明专利

JPS6063485A RADIOACTIVE NUCLIDE ANALYZER 失效
公开(公告)号：JPS6063485A
公开(公告)日：1985-04-11
申请号：JP17115783
申请日：1983-09-19
申请人： HITACHI LTD
发明人： KITAGUCHI HIROSHI , FUJII MASAAKI , KONDOU MASAHIRO
IPC分类号： G01T1/20 , G01T1/167
摘要： PURPOSE:To simplify the isotope analysis of beta-ray emitting nuclides to execute this analysis in a short time by providing a radiation measuring system which can measure samples to be measured individually or simultaneously and analyzing automatically plural radioactive nuclide concentrations from signal components of the measuring system. CONSTITUTION:A sample 1 to be measured from which Sr is separated chemically is measured by two beta-ray detectors 5 and 6 consisting of plastic scintillators 2, photoelectron multipliers 3, and preamplifiers 4. An absorber 12 which attenuates beta rays in a certain proportion is set to the plastic scintillator 2 of the detector 6. No absorber is set to the plastic scintillator of the detector 5. A bias voltage is supplied to both detectors 5 and 6 from a high voltage power source, and signals of radiation detectors pass through linear amplifiers 8 and are counted by timers 9 and counters 10 and 11. In this constitution, a dose of beta rays without attenuation due to the absorber 12 is counted by the counter 10, and a dose of beta rays which are attenuated in the absorber by a certain quantity is counted by the counter 11.

7. 发明专利

JPS5882177A GAS DILUTION APPARATUS 失效
公开(公告)号：JPS5882177A
公开(公告)日：1983-05-17
申请号：JP17974781
申请日：1981-11-11
申请人： HITACHI LTD
发明人： KITAGUCHI HIROSHI , KONDOU MASAHIRO
IPC分类号： G01T7/02 , G01N1/22 , G01N1/38
摘要： PURPOSE:To simplify the dilution process control by controlling samples of varied cut capacities and dilution tanks of varied capacities arranged in plurality with several regulating valves for feeding a set pressure to enable the dilution processing of a sample gas in a wide range multiplication rate. CONSTITUTION:A high level radio active sample with a constant pressure is fed from a piping 1 through a pressure regulating valve 10 and purged to a given place from a piping 4 via valves 11, 2 and 3. The cut capacity of the sample is arranged to be small V1 between the valves 2 and 3 and large V2 between the valves 11 and 3. In the dilution at a higher multiplication factor, the sample of the small capacity V1 is injected being compressed into a dilution tank 6 through a pressure regulating valve 12 for feeding a constant high pressure dilution gas and a piping 13. In the dilution at a low multiplication factor, the cut sample of the large capacity V2 is injected being compressed into the dilution tank 6 via a pressure regulating valve 12 and then by way of a pressure regulating valve 14 for feeding a constant low pressure and a piping 15.

8. 发明专利

JPS60183825A MULTIPLEX TRANSMITTER 失效
公开(公告)号：JPS60183825A
公开(公告)日：1985-09-19
申请号：JP3886384
申请日：1984-03-02
申请人： HITACHI LTD
发明人： KITAGUCHI HIROSHI , FUJII MASAAKI , KAWASAKI SATOSHI , KITAMORI TAKEHIKO , KONDOU MASAHIRO
IPC分类号： H04B3/00 , H04J3/00
摘要： PURPOSE:To identify an input channel of plural input signals by transmitting one input signal while being branched at two systems of inherent addition delay system and addition non-delay system, applying the same processing to a signal of the non-delay system at a transmission destination as the delay processing of the addition delay system executed at a transmitter and synchronizing the signal with a signal of the addition delay system. CONSTITUTION:Input signals D1-Dn of each channel are divided into systems of an addition delay unit 10 and an adder 11 and transmitted on two systems of transmission lines 14, 15. The transmission signals of the two systems are connected to a delay synchronism unit 12 at the transmission destination and the same delay processing as the addition delay unit 10 is applid to an output signal of an adder 11 of the transmission sender (d1=d1', d2=d2', dn=dn'). A signal is extracted from each delay circuit of the delay synchronism unit 12 and synchronized (AND circuit 13) with the transmission signal through the addtion delay unit 10 at the transmitter. The input signals D1-Dn of each channel are assigned to output signals C1-Cn corresponding to each channel by the synchronism processing.

9. 发明专利

JPS5345146A AUTOMTIC RESERVATION TICKET VENDING MACHINE 失效
公开(公告)号：JPS5345146A
公开(公告)日：1978-04-22
申请号：JP11931876
申请日：1976-10-06
申请人： JAPAN NATIONAL RAILWAY , OMRON TATEISI ELECTRONICS CO , HITACHI LTD
发明人： KUWAORI KIYOUICHIROU , OGAWA SHIGERU , ITOU SHIYUNICHI , OOMORI KATSUHIRO , HONDA TAIKAI , KONDOU MASAHIRO , MAEHARA TOMOHARU , KIKUTA SHIGEO , OOTANI AKIO
IPC分类号： G07F5/22 , G06Q30/06 , G06Q50/00 , G06Q50/30 , G07F7/00
摘要： PURPOSE:To achieve an automatic reservation ticket vending machine through which a negotiable paper is obtained to guarantee a reservation of goods, by performing a data communication for the reservation with the central unit and throwing coins or notes after knowing the amount asked, thus promoting a labor saving program.

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