专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5451904A Amplifying circuit in which variable impedance circuit is used in negative feedback circuit 失效
标题翻译：可变阻抗电路用于负反馈电路的放大电路
公开(公告)号：US5451904A
公开(公告)日：1995-09-19
申请号：US218510
申请日：1994-03-25
申请人： Yukihiro Terada , Kyozo Makime , Hideaki Adachi
发明人： Yukihiro Terada , Kyozo Makime , Hideaki Adachi
IPC分类号： H03F1/08 , H03G5/10 , H03G5/22 , H03G3/30
CPC分类号： H03F1/083 , H03G5/10 , H03G5/22
摘要： An amplifying circuit includes: amplifying device for amplifying an input signal and outputting the amplified signal; feedback device for feeding the output signal from the amplifying device back to an input terminal of the amplifying device so that the output signal may have a predetermined frequency characteristic; and a variable impedance circuit which, included in the feedback device, operates on the basis of a current from a current source, and which has its impedance altered in accordance with the current.
摘要翻译：放大电路包括：放大装置，用于放大输入信号并输出放大的信号; 反馈装置，用于将来自放大装置的输出信号馈送到放大装置的输入端，使得输出信号可以具有预定的频率特性; 以及可变阻抗电路，其包括在反馈装置中，基于来自电流源的电流进行操作，并且其阻抗根据电流而改变。

2. 发明授权

US06285258B1 Offset voltage trimming circuit 有权
标题翻译：偏移电压调整电路
公开(公告)号：US06285258B1
公开(公告)日：2001-09-04
申请号：US09364009
申请日：1999-07-29
申请人： Akira Ikeuchi , Kyozo Makime
发明人： Akira Ikeuchi , Kyozo Makime
IPC分类号： H03F304
CPC分类号： H03F3/45085 , H03F3/45618 , H03F2203/45696 , H03F2203/45732
摘要： An offset voltage trimming circuit for sending a current from a constant-current source to a trimming resistor and thus obtaining an offset voltage, the offset voltage trimming circuit having a Zener diode with a temperature characteristic of zero, a transistor connected so as to form a diode and connected in series to the Zener diode, a current-mirror circuit connected to the transistor and a second resistor connected in series to the current-mirror circuit and having a temperature characteristic identical to that of the trimming resistor, with the current being supplied to the trimming resistor from the current-mirror circuit in order to prevent changes in the offset voltage due to changes in temperature.
摘要翻译：一种偏移电压调整电路，用于将电流从恒流源发送到微调电阻，从而获得偏移电压，所述偏移电压调整电路具有温度特性为零的齐纳二极管，晶体管被连接以形成二极管，与齐纳二极管串联连接，连接到晶体管的电流镜电路和与电流镜电路串联连接的第二电阻器，并具有与微调电阻器的温度特性相同的电流，电流被提供到电流镜电路的微调电阻，以防止由于温度变化引起的偏移电压的变化。

3. 发明授权

US06369654B1 Semiconductor device 有权
标题翻译：半导体器件
公开(公告)号：US06369654B1
公开(公告)日：2002-04-09
申请号：US09717669
申请日：2000-11-21
申请人： Yasuhiko Inagaki , Kyozo Makime
发明人： Yasuhiko Inagaki , Kyozo Makime
IPC分类号： H03F108
CPC分类号： H01L23/522 , H01L27/0802 , H01L2924/0002 , H03F3/45475 , H01L2924/00
摘要： A semiconductor device includes a plurality of resistors each of which has a resistance that varies depending on voltage applied between contacts of the resistor. The semiconductor device includes a first resistor including a first resistive layer connected at a first contact to a first input wire and connected at a second contact to a first output wire, the first output wire having a first shielding portion which is connected to the second contact and shields the first resistive layer. A second resistor includes a second resistive layer connected at a third contact to a second input wire and connected at a fourth contact to a second output wire, the second output wire having a second shielding portion which is connected to the fourth contact and shields the second resistive layer. The first resistor and the second resistor are connected such that a potential difference of the first shielding portion of the first resistor from the first contact thereof and a potential difference of the second shielding portion of the second resistor from the third contact thereof are equal in polarity.
摘要翻译：半导体器件包括多个电阻器，每个电阻器具有根据施加在电阻器的触点之间的电压而变化的电阻。该半导体器件包括第一电阻器，该第一电阻器包括第一电阻层，第一电阻层以第一接触连接到第一输入电线，并以第二接触连接到第一输出电线，第一输出线具有第一屏蔽部分，该第一屏蔽部分连接到第二触点并屏蔽第一电阻层。第二电阻器包括在第三触点处连接到第二输入线并且以第四触点连接到第二输出线的第二电阻层，第二输出线具有第二屏蔽部分，第二屏蔽部分连接到第四触点并屏蔽第二触点电阻层。第一电阻器和第二电阻器连接成使得第一电阻器的第一屏蔽部分与其第一接触的电位差和第二电阻器的第二屏蔽部分的电位差与第三电阻器的第三触点的电位差极性相等。

4. 发明授权

US06191654B1 Differential amplifier circuit 失效
标题翻译：具有由输入端供电的电压 - 电流转换器的差分放大器电路
公开(公告)号：US06191654B1
公开(公告)日：2001-02-20
申请号：US09328013
申请日：1999-06-08
申请人： Akira Ikeuchi , Kyozo Makime
发明人： Akira Ikeuchi , Kyozo Makime
IPC分类号： H03F345
CPC分类号： H03F3/45618 , H03F3/45085 , H03F3/456 , H03F2203/45371 , H03F2203/45594 , H03F2203/45674
摘要： A differential amplifier circuit for amplifying and outputting a differential voltage between a pair of input terminals includes a voltage-to-current converting circuit, a current amplifying circuit, and a current-to-voltage converting circuit. In the voltage-to-current converting circuit, each of the input terminals is connected with one end of each of resistances, a potential on the other end of each of the resistances is kept constant by a feedback circuit, and an electric current corresponding to the differential voltage flows into a first differential circuit. In the current amplifying circuit, the electric current corresponding to the differential voltage and flowing into the first differential circuit is amplified and then flows into a second differential circuit. In the current-to-voltage converting circuit, an electric current outputted from the current amplifying circuit is converted to a voltage to be outputted.
摘要翻译：用于在一对输入端子之间放大和输出差分电压的差分放大器电路包括电压 - 电流转换电路，电流放大电路和电流 - 电压转换电路。在电压 - 电流转换电路中，每个输入端与每个电阻的一端连接，每个电阻的另一端的电位由反馈电路保持恒定，并且电流对应于差分电压流入第一差分电路。在电流放大电路中，对与差分电压对应并流入第一差分电路的电流被放大，然后流入第二差分电路。在电流 - 电压转换电路中，从电流放大电路输出的电流被转换成要被输出的电压。

5. 发明授权

US5519563A Protection circuit for electric cells from overcharge and overdischarge using a plurality of detection units of a single chip type 失效
标题翻译：使用单芯片型的多个检测单元的电池的过充电和过放电保护电路
公开(公告)号：US5519563A
公开(公告)日：1996-05-21
申请号：US498906
申请日：1995-07-06
申请人： Yasuhisa Higashijima , Kyozo Makime
发明人： Yasuhisa Higashijima , Kyozo Makime
IPC分类号： G01R31/36 , H02H7/18 , H02J7/00 , H02J7/10 , H02J7/04
CPC分类号： H02J7/0016
摘要： In a protection circuit for protecting a plurality of chargeable electric cells by detecting overdischarge and overcharge by detection circuits for respective electric cells to control a protection switch upon detection, the detection circuit is a single chip device comprising an overcharge detection circuit and an overdischarge detection circuit to produce first and second detection signals, respectively, first and second terminals to be connected to an electric cell, third and fourth terminals for receiving first and second input signals, respectively, and fifth and sixth terminals for delivering first and second output signals, respectively. The first input signal and the first detection signal are processed by an OR gate to produce a first processed signal which is delivered to the fifth terminal. The second input signal and the second detection signal are processed by AND gate to produce a second processed signal which is delivered to the sixth terminal. In protection of a plurality of electric cells, the detection units are connected to electric cells, respectively, and connected in a cascaded form so that the first and second output signals from one stage of detection units are transmitted as first and second input signals to the next succeeding stage of the detection units in the cascaded form Accordingly, the overcharge and overdischarge detected in any one of stages are transmitted to the protection switch through the succeeding stages.
摘要翻译：在用于通过检测各个电池的检测电路的过放电和过充电来保护多个可充电电池的保护电路中，检测电路是包括过充电检测电路和过放电检测电路的单芯片装置分别产生第一和第二检测信号，分别连接到电单元的第一和第二端子，用于分别接收第一和第二输入信号的第三和第四端子以及用于分别传送第一和第二输出信号的第五和第六端子。第一输入信号和第一检测信号由或门处理以产生被传送到第五终端的第一处理信号。第二输入信号和第二检测信号由与门处理以产生被传送到第六终端的第二处理信号。在多个电池的保护中，检测单元分别连接到电池并且以级联形式连接，使得来自一级检测单元的第一和第二输出信号作为第一和第二输入信号被发送到级联形式的检测单元的后续级相应地，在任一级中检测到的过充电和过放电通过后续级传送到保护开关。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式