会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 81. 发明申请
    • Crystal oscillator temperature control and compensation
    • 晶体振荡器温度控制和补偿
    • US20080218279A1
    • 2008-09-11
    • US12075307
    • 2008-03-10
    • Pierce Keating
    • Pierce Keating
    • H03L1/04H03B5/32H03L1/00
    • H03B5/04H03B5/32H03L1/026H03L1/028H03L1/04
    • Crystal oscillator control and calibration is disclosed. Temperature and frequency control circuits included on a printed circuit board (PCB) comprising a crystal oscillator are used to determine, for each of a plurality of set points in a range of sensed internal temperatures sensed by an internal temperature sensing circuit or device located adjacent to the oscillator in a thermally insulated region of the PCB, a corresponding compensation required to be applied to maintain a desired oscillator output frequency. The PCB is configured to use at least the determined compensation values and a sensed internal temperature to determine during operation of the PCB a compensation, if any, to be applied to maintain the desired oscillator output frequency.
    • 公开了晶体振荡器的控制和校准。 包括在包括晶体振荡器的印刷电路板(PCB)上的温度和频率控制电路被用于确定由内部温度检测电路或位于相邻的温度感测电路的设备感测到的感测内部温度的范围内的多个设定点中的每一个 振荡器在PCB的绝热区域中,需要应用相应的补偿来保持所需的振荡器输出频率。 PCB被配置为至少使用所确定的补偿值和感测的内部温度以在PCB的操作期间确定要施加的补偿(如果有的话)以保持期望的振荡器输出频率。
    • 83. 发明授权
    • Voltage-controlled oscillator
    • 压控振荡器
    • US07397318B2
    • 2008-07-08
    • US11563757
    • 2006-11-28
    • Takayuki Matsuzuka
    • Takayuki Matsuzuka
    • H03B5/12H03L1/02
    • H03L1/023H03B5/04H03B5/1841
    • A voltage-controlled oscillator including a voltage-controlled oscillation section, a frequency control bias circuit, a temperature compensation bias circuit, and a temperature compensation bias generation circuit. The temperature compensation bias generation circuit has a transistor having its collector or drain connected to the temperature compensation bias circuit, a first resistor having one end connected to the collector or drain of the transistor and having another end that is grounded, a second resistor having one end connected to the base or gate of the transistor, a base or gate bias application terminal connected to another end of the second resistor, a third resistor having one end connected to the emitter or source of the transistor, and an emitter or source bias application terminal connected to another end of the third resistor.
    • 包括压控振荡部分,频率控制偏置电路,温度补偿偏置电路和温度补偿偏置产生电路的压控振荡器。 温度补偿偏置产生电路具有其集电极或漏极连接到温度补偿偏置电路的晶体管,第一电阻器的一端连接到晶体管的集电极或漏极,另一端接地,第二电阻器具有一个 连接到晶体管的基极或栅极,连接到第二电阻器的另一端的基极或栅极施加端子,具有连接到晶体管的发射极或源极的一端的第三电阻器,以及发射极或源偏压应用 端子连接到第三电阻器的另一端。
    • 84. 发明申请
    • Piezoelectric resonator for oscillator and surface mount type piezoelectric oscillator
    • 用于振荡器和表面贴装型压电振荡器的压电谐振器
    • US20080129395A1
    • 2008-06-05
    • US11984082
    • 2007-11-13
    • Kyo HorieMakoto Komai
    • Kyo HorieMakoto Komai
    • H03H9/17H03B5/32H03H3/02H03B1/00
    • H03B5/04H03B5/366H03H9/0514H03H9/0547Y10T29/42Y10T29/49128
    • A piezoelectric resonator for an oscillator contained in an upper concave portion of an insulating case that has a metal lid with which the upper concave portion is air-tightly closed comprises a GND electrode being conductively coupled to an earth pattern of the piezoelectric resonator and provided on an outer bottom face of the insulating case, a piezoelectric connecting electrode being conductively coupled to an excite electrode of the piezoelectric resonator and provided on the outer bottom face of the insulating case, and an adjustment electrode being conductively coupled to the metal lid and provided on the outer bottom face of the insulating case in such a way that a regulator circuit in an IC part conductively contacts with the adjustment electrode if the IC part including the oscillation circuit is attached to the outer bottom face of the insulating case, wherein the metal lid serves as an adjustment terminal.
    • 一种用于振荡器的压电谐振器,其包含在具有金属盖的绝缘壳体的上凹部中,所述上凹部气密地封闭,所述压电谐振器包括导电耦合到所述压电谐振器的接地图案的GND电极, 绝缘壳体的外底面,与压电谐振器的激励电极导电耦合并设置在绝缘壳体的外底面上的压电连接电极,以及导电耦合到金属盖的调节电极, 如果包括振荡电路的IC部分附接到绝缘壳体的外底面,则绝缘壳体的外底面使得IC部件中的调节器电路与调节电极导电接触,其中金属盖 作为调整终端。
    • 85. 发明授权
    • Microelectromechanical oscillator and method of operating same
    • 微机电振荡器及其操作方法
    • US07369004B2
    • 2008-05-06
    • US11493704
    • 2006-07-26
    • Aaron PartridgeBernhard E. BoserCrist Y. LuMarkus LutzPaul Merritt Hagelin
    • Aaron PartridgeBernhard E. BoserCrist Y. LuMarkus LutzPaul Merritt Hagelin
    • H03B5/30H03B5/40
    • H03L1/022G01K7/32H03B5/04H03B5/30H03H9/02448H03H9/2405H03H2009/02527
    • There are many inventions described and illustrated herein. In one aspect, the present inventions relate to a temperature measurement system comprising (1) a first microelectromechanical resonator to generate a first output signal having a frequency that varies with operating temperature, wherein the first microelectromechanical resonator includes a frequency function of temperature; (2) a second microelectromechanical resonator to generate a second output signal having a frequency that varies with operating temperature, wherein the second microelectromechanical resonator includes a frequency function of temperature; and (3) frequency division circuitry, coupled to the first and second microelectromechanical resonators, to determine data which is representative of the operating temperature of the first and/or second microelectromechanical resonator using (i) data which is representative of the frequency of the first output signal and (ii) data which is representative of the frequency of the second output signal. The frequency division circuitry may include circuitry to divide the frequency of the first output signal by the frequency of the second output signal (whether in digital or analog domain).
    • 这里描述和说明了许多发明。 一方面,本发明涉及一种温度测量系统,包括:(1)第一微机电谐振器,用于产生具有随工作温度变化的频率的第一输出信号,其中第一微机电谐振器包括温度的频率函数; (2)第二微机电谐振器,以产生具有随着工作温度变化的频率的第二输出信号,其中所述第二微机电谐振器包括温度的频率函数; 以及(3)耦合到第一和第二微机电谐振器的分频电路,以使用(i)表示第一和/或第二微机电谐振器的频率的数据来确定代表第一和/或第二微机电谐振器的工作温度的数据 输出信号和(ii)表示第二输出信号的频率的数据。 分频电路可以包括将第一输出信号的频率除以第二输出信号的频率(无论是在数字还是模拟域)的电路。
    • 86. 发明申请
    • AMPLITUDE CONTROLLED QUARTZ OSCILLATOR WITH BROAD VOLTAGE AND TEMPERATURE RANGE
    • 具有宽电压和温度范围的振荡器控制的QuARTZ振荡器
    • US20080100390A1
    • 2008-05-01
    • US11926588
    • 2007-10-29
    • Pinchas Novac
    • Pinchas Novac
    • G04F5/06
    • H03B5/364H03B5/04H03B2200/0038H03B2200/0062H03B2200/0066
    • The invention concerns an oscillator including an input terminal, an output terminal, a resonator, and an oscillator circuit including: first and second power supply terminals, two capacitors connected between the first power supply terminal and the input terminal, and respectively the output terminal of the oscillator; first and second active transistors of complementary type, forming therewith an inverting amplifier, first and second means for respectively polarising the first and the second active transistors, a first current source formed by a transistor of the same type as the second active transistor, between the second power supply terminal and the second active transistor, current control means for the second polarising means, characterized in that in an steady operating conditions, said second polarising means are arranged for providing a polarisation voltage across the gate of the second active transistor corresponding to the transistor gate voltage of the first current source to within one voltage shift.
    • 本发明涉及包括输入端子,输出端子,谐振器和振荡器电路的振荡器,该振荡器电路包括:第一和第二电源端子,连接在第一电源端子和输入端子之间的两个电容器, 振荡器 互补型的第一和第二有源晶体管,形成反相放大器,用于分别使第一和第二有源晶体管极化的第一和第二装置,由与第二有源晶体管相同类型的晶体管形成的第一电流源, 第二电源端子和第二有源晶体管,用于第二偏振装置的电流控制装置,其特征在于,在稳定工作条件下,所述第二偏振装置被布置用于提供对应于第二有源晶体管的第二有源晶体管的栅极的极化电压 第一电流源的晶体管栅极电压在一个电压偏移之内。
    • 89. 发明申请
    • Amplitude Regulating Circuit
    • 幅度调节电路
    • US20080048793A1
    • 2008-02-28
    • US11776815
    • 2007-07-12
    • Heiko Koerner
    • Heiko Koerner
    • H03L5/00
    • H03B5/04H03B5/1215H03B5/1228H03B5/1243H03B5/1278H03L1/022H03L5/00
    • An amplitude regulating circuit for an oscillator with an input for a supply signal having an electrical quantity depending on an amplitude of an oscillation of the oscillator has a supply circuit with a control input for a first control signal and a supply output for the supply signal based on the first control signal, a reference circuit with an input for a reference supply signal having a reference quantity, a reference supply circuit with a reference control input for a second control signal and a reference supply output for the reference supply signal based on the second control signal and a comparator circuit with a first control signal output for the first control signal based on the electrical quantity and the electrical reference quantity and a second control signal output for the second control signal based on the electrical quantity and the electrical reference quantity.
    • 用于具有电源信号输入的振荡器的幅度调节电路具有取决于振荡器的振荡的振幅的电量,具有用于第一控制信号的控制输入和用于供电信号的电源输出的电源电路 在第一控制信号上,具有参考电路,具有用于具有参考量的参考电源信号的输入,具有用于第二控制信号的参考控制输入的参考电源电路和用于参考电源信号的参考电源输出,基于第二控制信号 基于电量和电参考量输出第一控制信号的第一控制信号和基于电量和电参考量的第二控制信号的第二控制信号的比较器电路。