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公开(公告)号：US20240178809A1
公开(公告)日：2024-05-30
申请号：US18080179
申请日：2022-12-13
Applicant: Teco Image Systems Co., Ltd.
Inventor： Kuei-Chung Chang
CPC classification number: H03G3/007 , H03G3/3015 , H03G2201/506 , H03G2201/508
Abstract: A compensation method for a characteristic difference of a photoelectric element is disclosed. The method includes (S1) providing a test substrate with a connector, a photoelectric element and a plurality of gain units, wherein the plurality of gain units are connected in parallel, and each gain unit includes a gain resistor and a disconnection port; (S2) connecting the connector to a test fixture which includes a test resistor and a test control unit, wherein when the test fixture is connected with the connector, the test resistor is electrically connected between the second pin and the third pin; (S3) providing input power to the connector so as to generate a test voltage on the photoelectric element; (S4) selecting the corresponding gain unit according to the test voltage and a classification data table; (S5) driving a production line to connect the first contact and the second contact of the selected gain unit.
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2.发明授权Vehicle-mounted receiving apparatus for reducing distortion, improving reception sensitivity, and saving power 失效用于减少失真，提高接收灵敏度和节省电力的车载接收装置公开(公告)号：US07454180B2
公开(公告)日：2008-11-18
申请号：US11388939
申请日：2006-03-23
Applicant: Yukio Ohtaki , Toru Oyama
Inventor： Yukio Ohtaki , Toru Oyama
IPC: H04B7/08
CPC classification number: H03G3/3068 , H03G2201/506 , H03G2201/706 , H04B1/18 , H04B7/08 , Y02D70/164 , Y02D70/168 , Y02D70/40 , Y02D70/444
Abstract: A first low-noise amplifier is connected to a first receiving processing unit through a first cable and a bypass circuit is provided in parallel to the first low-noise amplifier so as to bypass the first low-noise amplifier. In the case that the intensity of broadcasting signal is more than a predetermined value, when the C/N is more than a first predetermined value and less than a second predetermined value higher than the first predetermined value, the broadcasting signal is transmitted to the first cable through the first low-noise amplifier, and when the C/N is less than the first predetermined value or more than the second predetermined value, the broadcasting signal is not input to the first low-noise amplifier but transmitted to the first cable through the bypass circuit.
Abstract translation: 第一低噪声放大器通过第一电缆连接到第一接收处理单元，并且提供与第一低噪声放大器并联的旁路电路，以绕过第一低噪声放大器。 在广播信号的强度大于预定值的情况下，当C / N大于第一预定值且小于高于第一预定值的第二预定值时，将广播信号发送到第一 电缆通过第一低噪声放大器，并且当C / N小于第一预定值或大于第二预定值时，广播信号不被输入到第一低噪声放大器，而是传输到第一电缆通过 旁路电路。
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公开(公告)号：US07496375B2
公开(公告)日：2009-02-24
申请号：US10589076
申请日：2005-02-08
Applicant: Hidenori Matsumoto
Inventor： Hidenori Matsumoto
CPC classification number: H03G1/0088 , H03G3/3042 , H03G2201/103 , H03G2201/506 , H03G2201/702 , H03G2201/708 , H04B2001/0416
Abstract: A transmission power control apparatus which reduces the number of steps required for adjustments of the transmission power control apparatus and performs transmission power control with high accuracy in a wide dynamic range. The apparatus has a first variable amplifying circuit (122) with the resolution of 1 dB and a second variable amplifying circuit (123) with the resolution of 0.1 dB, where a correction value calculating section (106) calculates a correction value to compensate for deterioration in the accuracy of transmission power caused by a change in environment due to frequency characteristics and temperature characteristics and another correction value to compensate for error in transmission power, a transmission power calculating section (107) calculates transmission power obtained by correcting with the correction value specified transmission power to output to a communicating party based on the received signal, and a first set value calculating section (108) and a second set value calculating section (109) calculate gain values to set on the first variable amplifying circuit (122) and second variable amplifying circuit (123) based on the corrected transmission power, respectively.
Abstract translation: 一种发送功率控制装置，其减少了调整发送功率控制装置所需的步骤数量，并且在宽动态范围内以高精度执行发送功率控制。 该装置具有分辨率为1dB的第一可变放大电路（122）和分辨率为0.1dB的第二可变放大电路（123），其中校正值计算部分（106）计算校正值以补偿劣化 在由于频率特性和温度特性引起的由环境变化引起的发送功率的精度以及用于补偿发送功率误差的另一校正值的情况下，发送功率计算部（107）计算通过指定的校正值进行校正而获得的发送功率 发送功率，根据接收到的信号输出到通信对方，第一设定值计算部（108）和第二设定值计算部（109）计算设定在第1可变放大电路（122）和第2可变放大电路 可变放大电路（123）分别基于校正后的发射功率。
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4.发明授权Circuit arrangement for the switchable amplification of variable electrical signals 有权用于可变电信号的可切换放大的电路布置公开(公告)号：US07183855B2
公开(公告)日：2007-02-27
申请号：US10959303
申请日：2004-10-07
Applicant: Klaus Huber , Ralph Oppelt
Inventor： Klaus Huber , Ralph Oppelt
IPC: H03F3/68
CPC classification number: H03F3/72 , H03F2203/7239 , H03G1/0088 , H03G3/004 , H03G2201/506
Abstract: Circuit arrangement for the switchable amplification of variable electrical signals having at least one signal input and a signal output. A switchable amplifier is present between signal input and signal output and is provided with an input, with an output and with a negative feedback path having at least one resistor between input and output. The circuit arrangement further comprises a voltage source, the polarity of which can be reversed by a switching element. In this case, the negative feedback path has a switchable bypass connected in parallel with the at least one resistor. The signals fed in at the amplifier input are furthermore to be fed to the amplifier output in amplified fashion via a first signal path or in unamplified fashion via a second signal path depending on the polarity of the voltage source.
Abstract translation: 用于具有至少一个信号输入和信号输出的可变电信号的可切换放大的电路布置。 在信号输入和信号输出之间存在可切换放大器，并且具有输入，输出端和负反馈路径在输入和输出之间具有至少一个电阻器。 电路装置还包括一个电压源，其极性可被开关元件反转。 在这种情况下，负反馈路径具有与至少一个电阻器并联连接的可切换旁路。 在放大器输入端馈送的信号还经由第一信号路径以放大方式被馈送到放大器输出端，或者根据电压源的极性经由第二信号路径以非放大方式馈送到放大器输出端。
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公开(公告)号：US20050221779A1
公开(公告)日：2005-10-06
申请号：US11093416
申请日：2005-03-30
Applicant: Taiwa Okanobu
Inventor： Taiwa Okanobu
IPC: H03G3/20 , H03G1/00 , H03G3/30 , H03G7/00 , H04B1/06 , H04B1/10 , H04B1/16 , H04B7/00 , H04B17/40 , H04B17/02
CPC classification number: H03G3/3068 , H03G1/0023 , H03G1/0088 , H03G7/001 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307 , H03G2201/506
Abstract: An automatic gain control (AGC) circuit includes a number of attenuation circuits connected in series relative to a reception signal, a of variable gain amplifiers to which the reception signal and each output signal from the attenuation circuits are fed, respectively, a signal deriving circuit connected to output terminals of the variable gain amplifiers for deriving a level-controlled output signal, and a control current generating circuit for generating a control current having a predetermined characteristic out of first and second AGC voltages, wherein the control current outputted from the control current generating circuit is supplied to the variable gain amplifiers as a control signal for switching an operation thereof and for controlling a gain thereof, and a feedback control current corresponding to the control current is performed by the control current generating circuit.
Abstract translation: 自动增益控制（AGC）电路包括相对于接收信号串联连接的多个衰减电路，分别馈送有来自衰减电路的接收信号和每个输出信号的可变增益放大器的信号导出电路 连接到可变增益放大器的输出端，用于导出电平控制的输出信号;以及控制电流产生电路，用于产生具有从第一和第二AGC电压起的预定特性的控制电流，其中从控制电流输出的控制电流 发电电路被提供给可变增益放大器作为用于切换其操作并用于控制其增益的控制信号，并且由控制电流产生电路执行与控制电流相对应的反馈控制电流。
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Patent Agency Ranking
6.发明申请Circuit arrangement for the switchable amplification of variable electrical signals 有权用于可变电信号的可切换放大的电路布置公开(公告)号：US20050104655A1
公开(公告)日：2005-05-19
申请号：US10959303
申请日：2004-10-07
Applicant: Klaus Huber , Ralph Oppelt
Inventor： Klaus Huber , Ralph Oppelt
CPC classification number: H03F3/72 , H03F2203/7239 , H03G1/0088 , H03G3/004 , H03G2201/506
Abstract: Circuit arrangement for the switchable amplification of variable electrical signals having at least one signal input and a signal output. A switchable amplifier is present between signal input and signal output and is provided with an input, with an output and with a negative feedback path having at least one resistor between input and output. The circuit arrangement further comprises a voltage source, the polarity of which can be reversed by a switching element. In this case, the negative feedback path has a switchable bypass connected in parallel with the at least one resistor. The signals fed in at the amplifier input are furthermore to be fed to the amplifier output in amplified fashion via a first signal path or in unamplified fashion via a second signal path depending on the polarity of the voltage source.
Abstract translation: 用于具有至少一个信号输入和信号输出的可变电信号的可切换放大的电路布置。 在信号输入和信号输出之间存在可切换放大器，并且具有输入，输出端和负反馈路径在输入和输出之间具有至少一个电阻器。 电路装置还包括一个电压源，其极性可被开关元件反转。 在这种情况下，负反馈路径具有与至少一个电阻器并联连接的可切换旁路。 在放大器输入端馈送的信号还经由第一信号路径以放大方式被馈送到放大器输出端，或者根据电压源的极性经由第二信号路径以非放大方式馈送到放大器输出端。
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公开(公告)号：US20180062592A1
公开(公告)日：2018-03-01
申请号：US15441500
申请日：2017-02-24
Applicant: QUALCOMM Incorporated
Inventor： Marco CASSIA , Jose CABANILLAS
CPC classification number: H03F3/217 , H03F1/0277 , H03F1/0288 , H03F1/56 , H03F1/565 , H03F3/19 , H03F3/211 , H03F3/2171 , H03F3/2173 , H03F3/72 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/408 , H03F2200/411 , H03F2200/451 , H03F2203/21103 , H03F2203/21136 , H03F2203/21139 , H03F2203/21175 , H03F2203/7215 , H03F2203/7221 , H03F2203/7236 , H03G1/00 , H03G1/0088 , H03G3/3042 , H03G2201/504 , H03G2201/506 , H04B1/40 , H04B1/401
Abstract: A power amplifier circuit, including: an input node configured to receive a radio frequency (RF) signal; an output node configured to output an amplified RF signal; a main path switchably coupled between the input node and the output node, and including a first plurality of amplification stages to generate a first amplified RF signal; a bypass path switchably coupled between the input node and the output node, and including at least one second amplification stage to generate a second amplified RF signal; and a coupling switch configured to reuse at least a portion of the bypass path to drive the main path to generate a third amplified RF signal.
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公开(公告)号：US20070176681A1
公开(公告)日：2007-08-02
申请号：US10589076
申请日：2005-02-08
Applicant: Hidenori Matsumoto
Inventor： Hidenori Matsumoto
IPC: H03G3/00
CPC classification number: H03G1/0088 , H03G3/3042 , H03G2201/103 , H03G2201/506 , H03G2201/702 , H03G2201/708 , H04B2001/0416
Abstract: A transmission power control apparatus which reduces the number of steps required for adjustments of the transmission power control apparatus and performs transmission power control with high accuracy in a wide dynamic range. The apparatus has a first variable amplifying circuit (122) with the resolution of 1 dB and a second variable amplifying circuit (123) with the resolution of 0.1 dB, where a correction value calculating section (106) calculates a correction value to compensate for deterioration in the accuracy of transmission power caused by a change in environment due to frequency characteristics and temperature characteristics and another correction value to compensate for error in transmission power, a transmission power calculating section (107) calculates transmission power obtained by correcting with the correction value specified transmission power to output to a communicating party based on the received signal, and a first set value calculating section (108) and a second set value calculating section (109) calculate gain values to set on the first variable amplifying circuit (122) and second variable amplifying circuit (123) based on the corrected transmission power, respectively.
Abstract translation: 一种发送功率控制装置，其减少了调整发送功率控制装置所需的步骤数量，并且在宽动态范围内以高精度执行发送功率控制。 该装置具有分辨率为1dB的第一可变放大电路（122）和分辨率为0.1dB的第二可变放大电路（123），其中校正值计算部分（106）计算校正值以补偿劣化 在由于频率特性和温度特性引起的由环境变化引起的发送功率的精度以及用于补偿发送功率误差的另一校正值的情况下，发送功率计算部（107）计算通过指定的校正值进行校正而获得的发送功率 发送功率，基于接收信号输出到通信对方，第一设定值计算部（108）和第二设定值计算部（109）计算设定在第1可变放大电路（122）和第2可变放大电路 可变放大电路（123）基于校正的发射功率， y。
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9.发明申请Vehicle-mounted receiving apparatus for reducing distortion, improving reception sensitivity, and saving power 失效用于减少失真，提高接收灵敏度和节省电力的车载接收装置公开(公告)号：US20060264111A1
公开(公告)日：2006-11-23
申请号：US11388939
申请日：2006-03-23
Applicant: Yukio Ohtaki , Toru Oyama
Inventor： Yukio Ohtaki , Toru Oyama
IPC: H01R24/00
CPC classification number: H03G3/3068 , H03G2201/506 , H03G2201/706 , H04B1/18 , H04B7/08 , Y02D70/164 , Y02D70/168 , Y02D70/40 , Y02D70/444
Abstract: A first low-noise amplifier is connected to a first receiving processing unit through a first cable and a bypass circuit is provided in parallel to the first low-noise amplifier so as to bypass the first low-noise amplifier. In the case that the intensity of broadcasting signal is more than a predetermined value, when the C/N is more than a first predetermined value and less than a second predetermined value higher than the first predetermined value, the broadcasting signal is transmitted to the first cable through the first low-noise amplifier, and when the C/N is less than the first predetermined value or more than the second predetermined value, the broadcasting signal is not input to the first low-noise amplifier but transmitted to the first cable through the bypass circuit.
Abstract translation: 第一低噪声放大器通过第一电缆连接到第一接收处理单元，并且提供与第一低噪声放大器并联的旁路电路，以绕过第一低噪声放大器。 在广播信号的强度大于预定值的情况下，当C / N大于第一预定值且小于高于第一预定值的第二预定值时，将广播信号发送到第一 电缆通过第一低噪声放大器，并且当C / N小于第一预定值或大于第二预定值时，广播信号不被输入到第一低噪声放大器，而是传输到第一电缆通过 旁路电路。
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10.发明申请公开(公告)号：US20190204360A1
公开(公告)日：2019-07-04
申请号：US16330485
申请日：2017-09-05
Inventor： Hassen Hamrita , Jean-Michel Bourbotte , Vladimir Kondrasovs , Hamid Makil
CPC classification number: G01R15/08 , G01R15/002 , G01R19/0023 , G01R19/0061 , H03F3/68 , H03F3/72 , H03F2200/393 , H03F2200/417 , H03F2200/462 , H03F2200/78 , H03F2203/7236 , H03F2203/7239 , H03G1/0088 , H03G2201/506
Abstract: An amplification device including: a switch including an output that is suitable for being connected to a first or a second input; a first branch that is connected to the first input, which applies a first gain to generate a first amplified signal; a second branch that is connected to the second input, which applies a second gain to generate a second amplified signal; a controller for controlling the switching of the switch to apply the first or the second amplified signal to the output, depending on whether or not the value of a predetermined quantity of the first amplified signal falls within a predetermined range. The first gain and the second gain being non-zero real numbers of opposite sign.
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