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131. 发明专利

JPS57167671A SEMICONDUCTOR INTEGRATED CIRCUIT 失效
公开(公告)号：JPS57167671A
公开(公告)日：1982-10-15
申请号：JP5178381
申请日：1981-04-08
申请人： HITACHI LTD
发明人： KANEKO KENJI , NAGATA MINORU , FURUHATA MAKOTO , OGURA SADAO , OKABE TAKAHIRO , SATOU MITSUNARI
IPC分类号： H01L21/8226 , H01L27/02 , H01L27/06 , H01L27/082 , H03K19/091
摘要： PURPOSE:To enable to make a substantial reduction in the power consumption of the integrated circuit by a method wherein, in the case of the circuit that is operated by high voltage, an I L circuit and other low voltage operation circuit are inserted in the part whereon a constant current is running. CONSTITUTION:An almost constant current runs on the emitters of transistors Q21 and Q22, and the I L circuit is inserted between the emitter of the transistors Q21 and Q22 and the emitter. The injector terminal of the I L circuit is connected to the emitter on the transistors Q21 and Q22, and a Gnd terminal is connected to the Gnd terminal of an ordinary circuit. As a P-N junction is formed between the injector terminal of the I L circuit and the Gnd terminal, forward voltage component (about 0.7V or thereabouts) of voltage diodes located at both ends is generated. Since the source voltage of the ordinary constant- current circuit can be set sufficiently larger than that of the forward voltage of the diode, the I L circuit can be inserted without causing any trouble.

132. 发明专利

JPS5737924A Parallel comparator 失效
标题翻译：并行比较器
公开(公告)号：JPS5737924A
公开(公告)日：1982-03-02
申请号：JP11023280
申请日：1980-08-13
申请人： Hitachi Ltd
发明人： FURUHATA MAKOTO
IPC分类号： H03M1/34 , H03K5/08 , H03K17/30 , H03M1/36
CPC分类号： H03M1/361
摘要： PURPOSE:To obtain a high degree of gain through a simple cicuit constitution, by connecting in common both the collector of one of the two transistors of the adjacent comparators and the collector of the other transistor to a load means. CONSTITUTION:When an analog voltage signal VIN has a relation of VIN
摘要翻译：目的：通过简单的电路结构获得高增益，通过将相邻比较器的两个晶体管中的一个的集电极和另一个晶体管的集电极共同连接到负载装置。构成：当模拟电压信号VIN具有VIN

133. 发明专利

JPS5673929A INTERFACE CIRCUIT WITH I2L OUTPUT 失效
公开(公告)号：JPS5673929A
公开(公告)日：1981-06-19
申请号：JP15065679
申请日：1979-11-22
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO
IPC分类号： H03K19/018
摘要： PURPOSE:To enable to use the circuit for high frequency circuits, by providing collector and emitter resistances to the driving transistor in a differential transistor circuit, and providing a resistance and voltage circuit to the base for the opeation at nonsaturation region. CONSTITUTION:When the output transistor of an I L curcuit is on and the output is at low level, a transistor Q1 is on and the collector output is at high level specified with a voltage V2, then a differential transistor Q3 is on and the output of low level is obtained. On the other hand, when the output transistor of the I L circuit is off, the base input of the transistor Q1 is at a high level specifiec with the voltage V1 resulting being on, and the collector voltage is a low level where the value coresponding to the voltage drop across the resistance R2 is lowered than the voltage V2. Thus, the differential transistor Q2 is on and the differential transistor Q3 is off to obtain high level output, allowing to operate the transistor Q1 without saturation.

134. 发明专利

JPS5619206A VOLTAGE CONTROL TYPE OSCILLATING CIRCUIT 失效
公开(公告)号：JPS5619206A
公开(公告)日：1981-02-23
申请号：JP9377579
申请日：1979-07-25
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO
IPC分类号： H03B5/12 , H03B5/08
摘要： PURPOSE:To reduce the variance element of the oscillation frequency by providing a buffer amplifier between the tank circuit and the phase-shifting circuit consisting of the serial circuit of the resistance, the capacitor and the resistance. CONSTITUTION:The output of the vector adder circuit consisting of differential transistors (TR)Q1-Q4 is obtained via the current Miller circuit comprising the diode or TRQ9 and TRQ10 connected to the diode and then supplied to LC tank circuit 2 consisting of coil L1, capacitor C and resistance R3. Then TRQ10 forms a tuning amplifying circuit using circuit 2 as the load. This tuning output is supplied to phase-shifting circuit 3 via the emitter-follower circuit comprising resistance R8 plus TRQ11 forming a buffer amplifier. Then the signals across capacitor C4 are supplied in the form of the phase-shift output to the bases of differential amplifying TRQ5 and TRQ8 which produce the input signal source of the vector adder circuit. And the phase-shift output of the other side is applied to the base of TRQ5 via the buffer amplifier. As a result, the effect of the element is eliminated at the side of the phase-shifting circuit, thus reducing the variance element of the oscillation frequency.

135. 发明专利

JPS53101916A CHANNEL CHANGEEOVER CIRCUIT FOR TRANSCEIVER 失效
公开(公告)号：JPS53101916A
公开(公告)日：1978-09-05
申请号：JP7204677
申请日：1977-06-20
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO
IPC分类号： H03J5/02 , H03L7/18 , H03L7/183 , H03L7/185 , H04B1/04 , H04B1/26 , H04B1/40
摘要： PURPOSE:The variable resistance is interlocked which controls the channel selective switch and channel scanning speed and by coding the output voltage of this resistor, the scan speed is caused to vary with the output frequency of the counter, thereby making the channel selection easy.

136. 发明专利

JPS5371555A DIGITAL MIXER 失效
公开(公告)号：JPS5371555A
公开(公告)日：1978-06-26
申请号：JP14651076
申请日：1976-12-08
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO , OOSAWA MICHINAO
IPC分类号： H03L7/18 , H03D7/00 , H03K3/72 , H03K5/00
摘要： PURPOSE:Two input signals are applied to the 1st input terminals of the 1st and 2nd NAND circuits respectively, and delay signals of the inversion NOR output of the two input signals are applied to the 2nd input terminals, so that the difference frequency signal of both the signals will be outputted from this FF output terminal.

137. 发明专利

JPS5360109A PLL TRANSCEIVER 失效
公开(公告)号：JPS5360109A
公开(公告)日：1978-05-30
申请号：JP13406476
申请日：1976-11-10
申请人： HITACHI LTD
发明人： BOUJIMA NORIO , FURUHATA MAKOTO
IPC分类号： H04B1/04 , H04B1/40 , H04B1/44
摘要： PURPOSE:To prevent the occurrence of the disturbance electric wave by controlling the transmitting action at a gate circuit when unlocking is detected at the chnnel switching time, etc.

138. 发明专利

JPS52153657A COUNTER CIRCUIT 失效
公开(公告)号：JPS52153657A
公开(公告)日：1977-12-20
申请号：JP6978676
申请日：1976-06-16
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO
IPC分类号： H03K23/00 , H03K23/58 , H03K23/26
摘要： PURPOSE:To simplify the circuit configuration and to increase the integrating degree of IC, by omitting either of the set or reset control terminal of FF circuit used for the counter circuit.

139. 发明专利

JPS5216955A AMPLIFIER 失效
公开(公告)号：JPS5216955A
公开(公告)日：1977-02-08
申请号：JP9191775
申请日：1975-07-30
申请人： HITACHI LTD
发明人： FURUHATA MAKOTO
IPC分类号： H03F1/34 , H03F3/45
摘要： PURPOSE:To provide a means to lessen dispersion of the gain of collector output amplifier.

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