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1. 发明专利

JPS59178025A Phase locked loop device 失效
标题翻译：相位锁定环路装置
公开(公告)号：JPS59178025A
公开(公告)日：1984-10-09
申请号：JP5307983
申请日：1983-03-28
申请人： Hitachi Ltd
发明人： KATOU KAZUO , SATOU HIDEO , MASUDA IKUO
IPC分类号： H03L7/08
CPC分类号： H03L7/08
摘要： PURPOSE:To improve the accuracy of control by constituting a voltage controlled oscillating circuit with a bipolar transistor (TR) integrated circuit mainly and constituting a filter circuit with an MOSTR integrated circuit mainly. CONSTITUTION:A phase comparator circuit 10 consists of an exclusive OR circuit 111. A filter circuit 20 consists of an inverse amplifier comprising N-channel MOSTRs 203, 204 and an integration circuit comprising a resistor 205 and a capacitor 206. A capacitor 330 of the voltage controlled oscillating circuit 30 is charged and discharged by a current of a PNPTR332 flowing a constant current, its charge/discharge level is detected by a Schmitt trigger circuit comprising NPNTRs 336-339 and the timing of the oscillating period is decided. The amplitude of the charge/discharge current is controlled via a current mirror circuit comprising TRs 331 and 332 in pairs.
摘要翻译：目的：通过主要构成具有双极晶体管（TR）集成电路的压控振荡电路，主要构成具有MOSTR集成电路的滤波电路，提高控制精度。相位比较器电路10由异或电路111组成。滤波电路20由包括N沟道MOSTR 203,204的反相放大器和包括电阻器205和电容器206的积分电路构成。电容器330 电压控制振荡电路30由流过恒定电流的PNPTR332的电流充电和放电，其充电/放电电平由包括NPNTR 336-339的施密特触发电路检测，并且决定振荡周期的定时。充电/放电电流的幅度通过包括TRs 331和332成对的电流镜电路来控制。

2. 发明专利

JPS5913418A Signal processor 失效
标题翻译：信号处理器
公开(公告)号：JPS5913418A
公开(公告)日：1984-01-24
申请号：JP12117182
申请日：1982-07-14
申请人： Hitachi Ltd
发明人： SATOU HIDEO , KATOU KAZUO , YAMADA KAZUJI , SASAYAMA TAKAO , KAWAKAMI HIROJI
IPC分类号： H03M1/14 , H03M1/16 , H03M1/18 , H03M1/74
CPC分类号： H03M1/16 , H03M1/74
摘要： PURPOSE:To expand an input rage even if a highly accurate resistor is not used for the resistor constituting a digital/analog converter (DAC) by compensating the dispersion of the DAC through a microcompter. CONSTITUTION:The input range is expanded by making the minimum bit of the DAC equal to or smaller than the full scale of an analog/digital converter (ADC) through the microcomputer. By controlling the output voltage VDAC of the DAC 50 through the microcomputer system (MSC) 8, the input of the ADC 7 can be converted into a digital value within the full scale and input voltage VIN less than the voltage VREF of a reference power supply 10 can be converted into a digital value by the ADC 7. The converted results can be fetched to the MCS 8 easily. Consequently, the input range can be expanded up to the number that the output status of the DAC 50 is held at maximum. When the DAC is 2-bit constitution e.g., the input range can be expanded by four times.
摘要翻译：目的：即使通过微型压缩器补偿DAC的色散，即使高精度的电阻器不用于构成数模转换器（DAC）的电阻，也可扩展输入范围。构成：通过微处理器使DAC的最小位等于或小于模拟/数字转换器（ADC）的满量程，扩展输入范围。通过控制通过微机系统（MSC）8的DAC50的输出电压VDAC，ADC 7的输入可以转换成满量程内的数字值，并将输入电压VIN转换为小于参考电源的电压VREF 10可以由ADC 7转换成数字值。转换的结果可以轻松获取到MCS 8。因此，可以将输入范围扩展到DAC 50的输出状态保持最大的数字。当DAC是2位构成时，例如，可以将输入范围扩大四倍。

3. 发明专利

JPS58140604A TEMPERATURE COMPENSATING CIRCUIT FOR SEMICONDUCTOR STRAIN GAGE 失效
公开(公告)号：JPS58140604A
公开(公告)日：1983-08-20
申请号：JP2263382
申请日：1982-02-17
申请人： HITACHI LTD
发明人： SATOU HIDEO , NISHIHARA MOTOHISA , YAMADA KAZUJI , SUZUKI KIYOMITSU
IPC分类号： G01L9/04 , G01B7/16 , G01D3/028 , G01L9/00 , G01L9/06 , G01L19/04 , H01L29/84
摘要： PURPOSE:To subject zero point outputs to temp. compensation by adding means of generating voltage roughly equal to the mid-point potential of legs while bridge-connected semiconductor strain gages are in a prescribed temp. state and connecting the one mid-point of the legs and the voltage point with resistors. CONSTITUTION:A compensation circuit 2 for sensitivity temp. consisting of thermistors RTG and resistors (R)S1, RS2 are connected in series to a bridge circuit 1 wherein semiconductor strain gages G1-G4 are connected. A compensation circuit 3 for zero point temp., which is constituted of RZ1-RZ3, divides input voltage VIN by the RZ1, RZ2 to obtain a reference voltage at the point (e) and connects the point (e) and one output point (b) of the circuit 1 through the RZ3. The zero point output of the output voltage Vo of the circuit 1 is compensated of temp. by regulating the RZ1-RZ3 and reconnecting the RZ3 from the point (b) to the point (d) in the above-mentioned way. It is further possible to compensate temp. by connecting parallel resistances to the gage G3 without changing the connection of the RZ3.

4. 发明专利

JPS5769399A Signal processor for electronic engine control system 失效
标题翻译：电子发动机控制系统信号处理器
公开(公告)号：JPS5769399A
公开(公告)日：1982-04-28
申请号：JP14206680
申请日：1980-10-13
申请人： Hitachi Ltd
发明人： SATOU HIDEO , AMANO MATSUO , SASAYAMA TAKAO , YAMADA KAZUJI , SUZUKI KIYOMITSU
IPC分类号： G05B15/02 , F02D35/00 , F02D45/00 , G08C15/06 , G08C19/16 , G08C25/00

5. 发明专利

JPS5241381A STAIRS OF ESCALATOR 失效
公开(公告)号：JPS5241381A
公开(公告)日：1977-03-30
申请号：JP4137776
申请日：1976-04-14
申请人： HITACHI LTD
发明人： HARA TAKESHI , GOUKO HIROSHI , SATOU HIDEO
IPC分类号： B66B29/02
摘要： PURPOSE:To provide a construction of stairs of escalator, in which at least three crosspieces are formed respectively on both sides of the foot step facing the railing skirt guard and these three crosspieces are separately provided and have a color different from other central portion of the foot step, thereby preventing from coming too near to the railing side and their clothes from being caught between the stairs and skirt guard.

6. 发明专利

JPS5241380A STAIRS OF ESCALATOR 失效
公开(公告)号：JPS5241380A
公开(公告)日：1977-03-30
申请号：JP4137676
申请日：1976-04-14
申请人： HITACHI LTD
发明人： HARA TAKESHI , GOUKO HIROSHI , SATOU HIDEO
IPC分类号： B66B29/02
摘要： PURPOSE:To provide a construction for stairs of escalator, in which caution areas are provided on the front portion and right and left side portions of the cleats of the step and these caution areas are made of material having a color different from that of the cleats formed on the central portion of the step, whereby marginal portions of the steps are rendered conspicuous, at the same time giving favorable appearance to the entire stairs.

7. 发明专利

JPS5241379A STAIRS OF ESCALATOR 失效
公开(公告)号：JPS5241379A
公开(公告)日：1977-03-30
申请号：JP4137576
申请日：1976-04-14
申请人： HITACHI LTD
发明人： HARA TAKESHI , GOUKO HIROSHI , SATOU HIDEO
IPC分类号： B66B29/02
摘要： PURPOSE:To provide a construction for stairs of escalator, in which caution areas made of material having a color different from that of the cleats formed on the central portion of each steps are provided on the front portion and right and left side portions of the cleats of the steps;and these caution areas have a width corresponding to three lines of cleats, thus rending marginal areas of the step conspicuous from other section.

8. 发明专利

JPS59220975A INTEGRATED PRESSURE SENSOR 失效
公开(公告)号：JPS59220975A
公开(公告)日：1984-12-12
申请号：JP9747783
申请日：1983-05-31
申请人： HITACHI LTD
发明人： YAMADA KAZUJI , KOBORI SHIGEYUKI , SHIMADA SATOSHI , KANZAWA RIYOUSAKU , KOBAYASHI RIYOUICHI , SATOU HIDEO
IPC分类号： G01L9/04 , G01L9/00 , H01L29/84
摘要： PURPOSE:To obtain the titled device processed to an integrated circuit which automatically compensates the temperature by a method wherein the thin part of a nearly square Si chip whose center is thin and whose outer periphery surrounding it is thick is provided with a plurality of gauge resistors, signal processing circuit being formed in the thick part, and this chip is fixed on an Si base having a pressure introduction port at the center by means of a thin film which can be brought to electrostatic coupling. CONSTITUTION:A plurality of the gauge resistors 10a-10d are diffusion-formed in the thin part serving as the diaphragm 11 of the Si chip 7 whose center is thin and whose outer periphery surrounding it is thick, and the thick part surrounding the resistors is provided with the signal processing circuit 12. Next, the part opposed to the diaphragm 11 is provided with the Si base 8 having the pressure introduction port 13, which is then adhered to the back surface of the chip 7 by means of the thin film 9 about 4mum thick which can be brought to electrostatic coupling. Here, borosilicate glass or the like is used for the thin film 9, which film is coupled to the chip 7 and the base 8 by impressing a voltage while the temperature is kept at about 400 deg.C. When the chip 7 is thus supported with the base 8, the change of characteristics due to thermal stress is prevented.

9. 发明专利

JPS5985128A ANALOG-DIGITAL CONVERTER 失效
公开(公告)号：JPS5985128A
公开(公告)日：1984-05-17
申请号：JP19467482
申请日：1982-11-08
申请人： HITACHI LTD
发明人： KATOU KAZUO , SATOU HIDEO
IPC分类号： H03M1/10 , H03M1/56
摘要： PURPOSE:To attain the conversion with high accuracy and speed by applying negative feedback control to the maximum power of an integrating circuit in parallel with A/D conversion so as to make the count value coincident with a full scale of the counter. CONSTITUTION:The converter is in the waiting mode at a period T1. A switch 150 is closed to the position (a) at a period T2, and when a current is applied from a capacitor 70 from a variable constant current source 10, a counter 40 starts counting at the same time. When a voltage of the capacitor 70 reaches Vi, an output of a comparator 20 changes from 1 to 0, and the count value in this case is held at a latch circuit 50. A switch 250 is changed over to the position (b) at the same time, and when the voltage of the capacitor 70 reaches a voltage Vref, the output of the comparator 20 changes from 1 to 0, and this change is transmitted to a T-V converting circuit 30. When the value of the counter 40 reaches 2n, this timing is given to the converting circuit 30 and the shift between said timing and the integrating time is compensated. Since the converting operation and calibrating operation are performed at the same time, the conversion is attained with high accuracy and at high speed.

10. 发明专利

JPS5961736A Integrated pressor sensor 失效
标题翻译：集成式压力传感器
公开(公告)号：JPS5961736A
公开(公告)日：1984-04-09
申请号：JP17083282
申请日：1982-10-01
申请人： Hitachi Ltd
发明人： YAMADA KAZUJI , SATOU HIDEO , KITADATE YUKITAKA , KAWAKAMI HIROJI , KATOU KAZUO , SASAYAMA TAKAO
IPC分类号： G01L9/04 , G01L9/00 , G01L9/06
CPC分类号： G01L9/065 , Y10S323/907
摘要： PURPOSE:To make a mechanical amount and output constant over a wide temp. range, by changing the emitter area of a main transistor while changing current density. CONSTITUTION:A constant-current source of which the temp. characteristics are coincided with a curve 14 with respect to resistance R5 is constituted by a circuit constituted from transistors Q1, Q2, resistances R3, R4 and a constant- current source 15. In addition, a current is converted to voltage by a circuit constituted from R5 and an amplifier 16 to be applied to the voltage supply end 18 of the bridge 17 for a pressure sensor and drive voltage is changed so as to be made proportional to the inverse number of the change in bridge output voltage with the temp. change to perform temp. compensation. In this case, a constant- current is supplied so as to reduce the current density of Q2 and the current densities of Q1 and Q2 are obtained by changing the emitter areas ratio of Q1 and Q2.
摘要翻译：目的：使机械量和输出在宽温度下保持恒定。通过在改变电流密度的同时改变主晶体管的发射极面积来实现。构成：恒流源，特性与相对于电阻R5的曲线14一致由由晶体管Q1，Q2，电阻R3，R4和恒流源15构成的电路构成。另外，通过由 R5和放大器16被施加到用于压力传感器的桥17的电压端18并且驱动电压被改变，以便与电流输出电压的变化的倒数成正比。改变进行温度补偿。在这种情况下，提供恒流以减小Q2的电流密度，并且通过改变Q1和Q2的发射极面积比来获得Q1和Q2的电流密度。

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