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1H部——电学本部目录（参见及附注省略）H01基本电气元件·························································································7H01B电缆；导体；绝缘体；导电、绝缘或介电材料的选择（磁性材料的选择入H01F1/00；波导管入H01P）························································································7H01C电阻器·····························································································12H01F磁体；电感；变压器；磁性材料的选择〔2〕···········································16H01G电容器；电解型的电容器、整流器、检波器、开关器件、光敏器件或热敏器件（电介质专用材料的选择入H01B3/00；电位跃迁或表面阻挡层的电容器入H01L29/00）··············································································································22H01H电开关；继电器；选择器；紧急保护装置（接触电缆入H01B7/10；电解式自断续器入H01G9/18；紧急保护电路装置入H02H；无触点电子开关入H03K17/00）··27H01J放电管或放电灯（火花隙入H01T；消耗电极的弧光灯入H05B；粒子加速器入H05H）···································································································52H01K白炽灯（用于制造既适用放电器件也适用于白炽灯的零部件、设备或方法入H01J；应用白炽和其他发光形式组合的光源入H01J61/96，H05B35/00）·············73H01L半导体器件；其他类目中不包括的电固体器件（使用半导体器件的测量入G01；一般电阻器入H01C；磁体、电感器、变压器入H01F；一般电容器入H01G；电解型器件入H01G9/00；电池组、蓄电池入H01M；波导管、谐振器或波导型线路入H01P；线路连接器、汇流器入H01R；受激发射器件入H01S；机电谐振器入H03H；扬声器、送话器、留声机拾音器或类似的声机电传感器入H04R；一般电光源入H05B；印刷电路、混合电路、电设备的外壳或结构零部件、电气元件的组件的制造入H05K；在具有特殊应用的电路中半导体器件的使用见该应用的小类）〔2〕·······························76H01M用于直接转变化学能为电能的方法或装置，例如电池组〔2〕（一般电化学的方法或装置入C25；用于转变光或热为电能的半导体或其他固态器件入H01L，例如H01L31/00，H01L35/00，H01L37/00）〔2〕···························································97H01P波导；谐振器、传输线或其他波导型器件（工作在光频的入G02B）···········105H01Q天线（微波加热用辐射器或天线入H05B6/72）······································108H01R导电连接；一组相互绝缘的电连接元件的结构组合；连接装置；集电器（开关，熔断器入H01H；波导型耦合装置入H01P5/00；供电或配电切换装置入H02B；电线或电缆、光电电线或电缆或电气辅助设备的安装入H02G；与印刷电路电连接或印刷电路之间电连接用的印制装置入H05K）····························································115H01S利用受激发射的器件·········································································127H01T火花隙；应用火花隙的过压避雷器；火花塞；电晕装置；产生被引入非密闭气体的离子（过压保护电路入H02H）·······························································131H02发电、变电或配电················································································134H02B供电或配电用的配电盘、变电站或开关装置（电基本元件，它们的组件，包括在外壳里或基件上的安装架，或在其上盖的安装架见这些元件的小类，例如变压器入H01F，开关、熔断器入H01H，线路连接器入H01R；供电或配电电线电缆的安装，或光电组合电缆或电线的安装，或其他供电或配电导体的安装入H02G）···············134H02G电缆或电线的安装，或光电组合电缆或电线的安装（带有便于安装或固定装置的绝缘导体或电缆入H01B7/40；装有开关的配电站入H02B；引导式电话塞绳入H04M21/15；电缆管道或电报或电话交换局设备的安装入H04Q1/06）·························137H02H紧急保护电路装置（指示或警报意外工作情况的入G01R，例如G01R31/00，G08B；沿线测定故障位置入G01R31/08；紧急保护装置入H01H）······························141H02J供电或配电的电路装置或系统；电能存储系统（用于测量X射线、γ射线、微粒子射线或宇宙射线设备的供电电路入G01T1/175；专用于具有不动件的电子时钟的供电电路入G04G19/00；用于数字计算机的入G06F1/18；用于放电管的入H01J37/248；电能转换用电路或设备，这种电路或设备的控制装置或调整装置入H02M；数个电机的相关控制，原动机/发电机组的控制入H02P；高频电力的控制入H03L；用以传输信息的电力线路或电力网附加用途入H04B）······················································144H02K电机（电动继电器入H01H53/00；直流或交流电力输入变换为浪涌电力输出入H02M9/00）···························································································147H02M用于交流和交流之间、交流和直流之间、或直流和直流之间的转换以及用于与电源或类似的供电系统一起使用的设备；直流或交流输入功率至浪涌输出功率的转换；以及它们的控制或调节（专用于没有可动部件的电子时钟的电流或者电压的变换入G04G19/02；调节电或磁变量的系统，例如用变压器、电抗器、或扼流圈及这种系统与静止变换器的组合，一般入G05F；用于数字计算机的入G06F1/00；变压器入H01F；与类似的或其他供电电源联合运行的一个变换器的连接或控制入H02J；机电变换器入H02K47/00；控制变压器、电抗器或扼流圈、电动机、发电机或机电变换器的控制调节入H02P；脉冲发生器入H03K）〔4，5〕····································································158H02N其他类目不包含的电机·····································································164H02P电动机、发电机或机电变换器的控制或调节；控制变压器、电抗器或扼流圈〔4〕············································································································166H02S由红外线辐射、可见光或紫外光转换产生电能，如使用光伏（PV）模块（太阳能集热器入F24J2/00；从放射性源获取电能入G21H1/12；无机光敏半导体器件入H01L31/00；热电器件入H01L35/00，H01L37/00；有机光敏半导体器件入H01L51/42）〔2014.01〕····························································································175H03基本电子电路······················································································177H03B使用工作于非开关状态的有源元件电路，直接或经频率变换产生振荡；由这样的电路产生噪声（特别用于电子乐器的发生器入G10H；微波激射器或激光器入H01S；等离子体振荡的产生入H05H）··································································177H03C调制（微波激射器或激光器入H01S；编码、译码或代码变换入H03M）·····180H03D由一个载频到另一载频对调制进行解调或变换（微波激射器、激光器入H01S；调制器和解调器都可应用的电路入H03C，例如平衡调制器H03C1/54；调制器和变频器都可应用的零部件入H03C；脉冲解调入H03K9/00；经连续变量信号调制的脉冲调制形式的变换入H03K11/00；；中继系统，例如中继站入H04B7/14；用于数字调制载波系统的解调器入H04L27/00；用于彩色电视的同步解调器入H04N9/66）·········182H03F放大器（测量、试验入G01R；光参量放大器入G02F；具有二次发射管的电路装置入H01J43/30；微波激射器，激光器入H01S；电动放大器入H02K；放大的控制入H03G；与放大器特性无关的耦合装置，分压器入H03H；只能处理脉冲的放大器入H03K；传输线路中的中继器电路入H04B3/36、H04B3/58；电话通信中音频放大器的应用入H04M1/60，H04M3/40）································································185H03G放大的控制（阻抗网络，例如衰减器入H03H；线路中传输的控制入H04B3/04）············································································································189H03H阻抗网络，例如谐振电路；谐振器（测量，试验入G01R；产生混响或回声装置3入G10K15/08；由分布阻抗，例如波导型，组成的阻抗网络或谐振器入H01P；放大的控制，例如放大器的带宽控制入H03G；调谐谐振电路，例如调谐耦合谐振电路入H03J；改善通信系统频率特性的网络入H04B）······················································192H03J谐振电路的调谐；谐振电路的选择（测量的指示装置入G01D；测量、试验入G01R；一般遥控入G05，G08；发生器的自动控制或稳定入H03L）·················