公开(公告)号：US07250777B2

公开(公告)日：2007-07-31

申请号：US11391944

申请日：2006-03-28

Applicant: Rick Allen Kobbe ,  Florian G. Bell ,  Donna K. Barton

Inventor： Rick Allen Kobbe ,  Florian G. Bell ,  Donna K. Barton

IPC: G01R27/08

CPC classification number: G01R27/14 ,  G01D5/34738 ,  G01K7/245 ,  G01K13/002

Abstract: A device for measuring a resistance includes a comparator. A D-type flip-flop has its D input connected to the output of the comparator and its latch input connected for receiving a pulse signal at a fixed pulse repetition rate. A reference voltage source is connected to a first of the inputs of the comparator and an integrator is coupled between an output of the flip-flop and the second of the two inputs of the comparator. The integrator includes a resistor whereby the integrator develops a voltage at the second input of the comparator that depends on the pulse repetition rate and on the resistance of the resistor. The comparator, the integrator and the flip-flop are connected in a negative feedback loop such that at steady state the voltage developed by the integrator at the second input of the comparator is substantially equal to the reference voltage.

Abstract translation: 用于测量电阻的装置包括比较器。 D型触发器的D输入连接到比较器的输出端，其锁存器输入端以固定脉冲重复率接收脉冲信号。 参考电压源连接到比较器的第一个输入端，积分器耦合在触发器的输出端和比较器的两个输入端的第二个之间。 积分器包括一个电阻器，积分器在比较器的第二个输入端产生一个取决于脉冲重复率和电阻电阻的电压。 比较器，积分器和触发器连接在负反馈回路中，使得在稳态下，积分器在比较器的第二输入处产生的电压基本上等于参考电压。

公开(公告)号：US20020105436A1

公开(公告)日：2002-08-08

申请号：US10017098

申请日：2001-12-12

Inventor： Florian G. Bell ,  Donna K. Barton ,  Jesse S. Laird ,  Christopher T. Jones

IPC: G01K007/00 ,  G08C019/00 ,  G08C019/12 ,  G08C019/16

CPC classification number: G01K7/245

Abstract: A thermometer is disclosed that utilizes a thermistor as a temperature sensor, to control the period and duty cycle of a multivibrator circuit. A second circuit, controlled by a microcontroller, measures both the charge and discharge times of the oscillation. From the ratio of these parameters, a precise indication of temperature can be obtained that is independent of temperature variations within the active components and the charging capacitor of the multivibrator circuit. The method is also independent of the value of the charging capacitor. Furthermore, by measuring the same ratio when a fixed resistor is substituted for the thermistor, a cell constant can be derived. The cell constant is used to calibrate the non-ideal response of the multivibrator circuit, thus providing a more accurate measurement of temperature.

Abstract translation: 公开了一种使用热敏电阻作为温度传感器来控制多谐振荡器电路的周期和占空比的温度计。 由微控制器控制的第二电路测量振荡的充电和放电时间。 根据这些参数的比例，可以获得与多谐振荡器电路的有源部件和充电电容器内的温度变化无关的温度的精确指示。 该方法也与充电电容器的值无关。 此外，通过在将固定电阻器代替热敏电阻时测量相同的比例，可以导出电池常数。 电池常数用于校准多谐振荡器电路的非理想响应，从而提供更准确的温度测量。

公开(公告)号：US5638418A

公开(公告)日：1997-06-10

申请号：US253445

申请日：1994-06-07

Applicant: James M. Douglass ,  Gary V. Zanders ,  Donald R. Dias ,  Robert D. Lee

Inventor： James M. Douglass ,  Gary V. Zanders ,  Donald R. Dias ,  Robert D. Lee

IPC: G01K1/02 ,  G01K7/24 ,  G06F1/20 ,  G01K7/32

CPC classification number: G01K1/028 ,  G01K7/245 ,  G06F1/206

Abstract: A temperature detector comprises temperature sensing circuitry calibration circuitry, and power regular circuitry. The temperature sensing circuitry has an output that varies with a temperature to create a temperature variation. The calibration circuitry is coupled to receive the output that varies with temperature to create a temperature variation. The calibration circuitry interprets the temperature variation and outputs a value that represents the temperature. The power supply regulator circuitry coordinates power to the temperature sensing circuitry. Alternate embodiments of the temperature detector comprise temperature sensing circuitry, calibration circuitry, and resolution enhancement circuitry. The temperature sensing circuitry has an output that varies with a temperature to create a temperature variation. The calibration circuitry is coupled to receive the output that varies with temperature to create a temperature variation. The calibration circuitry also interprets the temperature variation and outputs a value that represents the temperature. The value has a resolution. The resolution enhancement circuitry is coupled to the calibration circuitry that enhances the resolution of the value.

Abstract translation: 温度检测器包括温度感测电路校准电路和功率常规电路。 温度感测电路具有随着温度变化以产生温度变化的输出。 校准电路被耦合以接收随温度变化的输出以产生温度变化。 校准电路解释温度变化并输出表示温度的值。 电源调节器电路协调温度检测电路的电源。 温度检测器的替代实施例包括温度感测电路，校准电路和分辨率增强电路。 温度感测电路具有随着温度变化以产生温度变化的输出。 校准电路被耦合以接收随温度变化的输出以产生温度变化。 校准电路还解释温度变化并输出表示温度的值。 该值具有分辨率。 分辨率增强电路耦合到校准电路，其增强了该值的分辨率。

公开(公告)号：US5388134A

公开(公告)日：1995-02-07

申请号：US13883

申请日：1993-02-05

Applicant: James M. Douglass ,  Gary V. Zanders ,  Robert D. Lee

Inventor： James M. Douglass ,  Gary V. Zanders ,  Robert D. Lee

IPC: G01K1/02 ,  G01K7/24 ,  G06F1/20 ,  G01K7/32

CPC classification number: G06F1/206 ,  G01K1/028 ,  G01K7/245

Abstract: An integrated circuit temperature detector (thermometer) uses a temperature dependent oscillator to count up to a fixed number and thereby generate a time interval indicative of the temperature (a temperature-to-time converter). The time-to-number converter provides a numeric temperature output. Counting oscillations of a relatively temperature independent oscillator for the time interval may digitize the temperature measurement. Calibration and successive approximation iterations permit simple hardware to achieve good accuracy.

Abstract translation: 集成电路温度检测器（温度计）使用与温度相关的振荡器计数到固定数量，从而产生指示温度的时间间隔（温度 - 时间转换器）。 时间到数字转换器提供数字温度输出。 对于时间间隔，计数相对温度独立的振荡器的振荡可以数字化温度测量。 校准和逐次逼近迭代允许简单的硬件实现良好的精度。

公开(公告)号：US4592003A

公开(公告)日：1986-05-27

申请号：US521837

申请日：1983-08-10

Applicant: Toshiyuki Kobayashi ,  Takao Ohta ,  Masatsugu Miura ,  Hidetoshi Matsumoto

Inventor： Toshiyuki Kobayashi ,  Takao Ohta ,  Masatsugu Miura ,  Hidetoshi Matsumoto

IPC: G01K1/02 ,  G01K7/24 ,  G01K7/16

CPC classification number: G01K7/245 ,  G01K1/028

Abstract: A measuring circuit device comprising a measuring circuit, a display associated with the measuring circuit for displaying data generated by the measuring circuit, a display test circuit for testing the display, a performance test circuit associated with the measuring circuit for actuating the measuring circuit to display predetermined reference measured data by the display, a switch for initiating operation of the device, a switch circuit which upon actuation of the switch actuates the display test circuit and the performance test circuit, and which in a predetermined time period, initiates a measuring operation by the measuring circuit.

Abstract translation: 一种测量电路装置，包括测量电路，与用于显示测量电路产生的数据的测量电路相关联的显示器，用于测试显示器的显示测试电路，与测量电路相关联的性能测试电路，用于致动测量电路以显示 通过显示器的预定参考测量数据，用于启动设备的操作的开关，开关电路，其在开关致动时致动显示测试电路和性能测试电路，并且在预定时间段内，通过以下方式启动测量操作： 测量电路。

公开(公告)号：US4464067A

公开(公告)日：1984-08-07

申请号：US460085

申请日：1983-01-21

Applicant: Tadashi Hanaoka

Inventor： Tadashi Hanaoka

IPC: G01K1/02 ,  G01K7/24 ,  G05B11/26

CPC classification number: G01K1/028 ,  G01K7/245 ,  Y10S331/03

Abstract: A thermometer is disclosed which utilizes a thermistor as a temperature sensor, controlling the frequency of oscillation of an oscillator circuit. The output pulses from that circuit are frequency-divided during a fixed time interval by a variable frequency divider circuit, with the division ratio being successively varied during that interval in accordance with the cumulative number of pulses output from the variable frequency divider circuit, counted by a counter circuit, with the variations of the frequency division ratio being such as to accurately compensate for the non-linear temperature/resistance characteristic of the thermistor. The cumulative count of pulses output from the variable frequency divider circuit at the end of the fixed time interval is proportional to temperature, and is displayed as temperature by a digital display. The thermometer is suited to mass-production low-cost manufacture, yet can be miniaturized, lightweight and accurate.

Abstract translation: 公开了一种使用热敏电阻作为温度传感器来控制振荡器电路的振荡频率的温度计。 来自该电路的输出脉冲在固定的时间间隔内由可变分频器电路进行分频，分频比根据从可变分频器电路输出的脉冲的累计数量在该间隔期间连续变化，由 一个计数器电路，其分频比的变化可以精确地补偿热敏电阻的非线性温度/电阻特性。 在固定时间间隔结束时从可变分频器电路输出的脉冲的累积计数与温度成比例，并通过数字显示器显示为温度。 该温度计适合批量生产低成本制造，但可以小型化，轻量化和准确。

公开(公告)号：US4359285A

公开(公告)日：1982-11-16

申请号：US140800

申请日：1980-04-16

Applicant: Ralph G. Washburn

Inventor： Ralph G. Washburn

IPC: G01K1/02 ,  G01K7/24 ,  G08C19/02 ,  G08C19/12 ,  G08C19/26 ,  G01D3/04 ,  G01K1/20

CPC classification number: G08C19/12 ,  G01K1/024 ,  G01K7/245

Abstract: In a temperature probe having a thermistor controlling the output frequency of an oscillator to effect a temperature-frequency conversion, and a remote measuring station having a frequency detection means, the invention features, generally, a switch in the probe connected to a detection circuit, the oscillator being connected to the switch so as to open and close the circuit in response to the oscillator output frequency.

Abstract translation: 在具有控制振荡器的输出频率进行温度 - 频率转换的热敏电阻的温度探头和具有频率检测装置的远程测量站中，本发明的特征在于，探头中的开关连接到检测电路， 振荡器连接到开关，以响应于振荡器输出频率来打开和闭合电路。

公开(公告)号：US4159648A

公开(公告)日：1979-07-03

申请号：US848090

申请日：1977-11-03

Applicant: Howard S. Prosky

Inventor： Howard S. Prosky

IPC: G01K1/02 ,  G01K7/24 ,  G01K13/00 ,  G01K7/00

CPC classification number: G01K13/002 ,  G01K1/028 ,  G01K7/245

Abstract: A display unit having a plurality of light emitting segments is directly attached to a circuit board, thereby avoiding use of a separate encapsulated display device. The circuit board is provided with a plurality of electrical conductors permanently attached to its component mounting surface. Electrically conductive leads extend between the light emitting segments of the display unit and the electrical conductors attached to the circuit board. The display unit includes a base supporting member to which the light emitting segments are attached in a desired configuration. The base member is preferably glued with an electrically conductive glue to an electrical conductor attached to the circuit board, thereby simultaneously physically connecting the base member directly and permanently to the circuit board and electrically connecting a common terminal of the light emitting segments to the electrical conductor on the circuit board. The circuit board is of sufficient size to allow the connection of other electronic components, such as integrated circuits and the like, to the electrical conductors on the circuit board. The electrical circuit assembly thus comprised is disclosed for exemplary use in conjuction with an electronic thermometer for taking temperatures of human beings.

Abstract translation: 具有多个发光段的显示单元直接附接到电路板，从而避免使用单独的封装的显示装置。 电路板设置有永久地附接到其部件安装表面的多个电导体。 导电引线在显示单元的发光部分和连接到电路板的电导体之间延伸。 显示单元包括基板支撑构件，发光区段以所需的构造附接到基座支撑构件。 基部构件优选地用导电胶粘合到附接到电路板的电导体，从而同时将基底构件直接永久地物理连接到电路板，并将发光区段的公共端子电连接到电导体 在电路板上。 电路板具有足够的尺寸以允许其它电子部件（例如集成电路等）连接到电路板上的电导体。 公开了如此包括的电路组件，用于与用于摄取人的温度的电子温度计相结合的示例性用途。

公开(公告)号：US4150573A

公开(公告)日：1979-04-24

申请号：US856995

申请日：1977-12-02

Applicant: Kazuhiro Iinuma ,  Yukito Abe

Inventor： Kazuhiro Iinuma ,  Yukito Abe

IPC: G01K1/02 ,  G01K7/24 ,  G01K7/16

CPC classification number: G01K7/245 ,  G01K1/028

Abstract: An electronic digital thermometer comprises a pulse oscillator to which a temperature-sensitive resistive element and a temperature-insensitive standard resistive element are alternately coupled as a frequency determining element, a temperature output circuit which is provided with a counter connected to the pulse oscillator and provides a measured temperature value, and a digital display device for displaying the measured temperature value. The temperature output circuit is so arranged that oscillation frequencies of the pulse oscillator respectively produced when the temperature-sensitive resistive element and the standard resistive element are coupled with the pulse oscillator are compared to calculate a measured temperature value.

Abstract translation: 电子数字温度计包括温度敏感电阻元件和不敏感温度标准电阻元件交替耦合的脉冲振荡器作为频率确定元件，温度输出电路设置有连接到脉冲振荡器的计数器，并提供 测量温度值，以及用于显示所测量的温度值的数字显示装置。 温度输出电路被布置成使得当温度敏感电阻元件和标准电阻元件与脉冲振荡器耦合时分别产生的脉冲振荡器的振荡频率被计算以测量温度值。

公开(公告)号：US3805256A

公开(公告)日：1974-04-16

申请号：US31663472

申请日：1972-12-19

Applicant: US NAVY

Inventor： PEPIN T

IPC: G01K1/02 ,  G01K7/24 ,  G08C19/12 ,  H03K4/502

CPC classification number: H03K4/502 ,  G01K1/024 ,  G01K7/245 ,  G08C19/12

Abstract: The invention disclosed herein relates to an improved temperature sensing device of the radio sonde type and more particularly includes a bead thermistor remotely mounted from the housing containing unique circuitry for telemetering measured temperature by frequency modulating the output of the transmitter tube by utilizing the variable resistance characteristics of the thermistor in the current circuit for charging a capacitor that is automatically discharged when a given voltage is reached. Included within the circuitry is a flip-flop circuit for frequency modulating the broadcast frequency.

Abstract translation: 本文公开的本发明涉及一种无线电探空仪类型的改进的温度感测装置，更具体地包括从壳体远程安装的胎圈热敏电阻器，其包含用于通过利用可变电阻特性频率调制发射器管的输出来测量测量温度的唯一电路 用于在达到给定电压时自动放电的电容器充电的电流电路中的热敏电阻。 电路中包括用于频率调制广播频率的触发器电路。