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    • 3. 发明授权
    • Dual-antenna transceiver
    • 双天线收发器
    • US4542532A
    • 1985-09-17
    • US587754
    • 1984-03-09
    • Gary L. McQuilkin
    • Gary L. McQuilkin
    • H04B1/40A61F2/02A61N1/36G06K7/00H04B5/00H04B15/00H04B1/44
    • H04B5/02G06K7/0008G06K7/10316H04B5/0012A61F2250/0002H04B5/0081
    • A magnetic-field, noise-cancelling transceiver is provided by a dual-coil antenna circuit. In the receive mode, two identical coils, connected in series opposition, cancel noise signals common to both coils and receive desired signals present at only one coil. Capacitance in parallel with the series-opposed coils establishes the resonant frequency of the receiver, antenna circuit. In the transmit mode, the two coils, connected in series opposition, have their non-adjacent terminals clamped to ground via two pairs of oppositely-poled diodes, one pair on each non-adjacent terminal. The transmitter signal, coupled to the junction of the two coils through a capacitor, generates additive magnetic fields by causing equal currents to flow in each coil from the common junction, to their respective diode junctions, to ground through the respective, oppositely-poled diode pairs. Series resonance is established by the transmitter coupling capacitance and the parallel combination of the two coils. The transmitter and receiver tuning are independent. The receiver tuning is unaffected by the transmitter circuitry and coupling capacitance because the transmitter is connected to the null between the receiving antenna coils. The transmitter tuning is unaffected by the receiver circuitry and receiver capacitance because the diode pairs provide a relative short across the receiver input during transmission.
    • 磁场,噪声消除收发器由双线圈天线电路提供。 在接收模式中,串联对置的两个相同的线圈消除了两个线圈共同的噪声信号,并接收仅在一个线圈上存在的所需信号。 与串联相反的线圈并联的电容建立了接收器,天线电路的谐振频率。 在发射模式下,串联对置的两个线圈通过两对相对极化的二极管将不相邻的端子夹在一起,每对非相邻端子一对。 耦合到两个线圈通过电容器的结的发射机信号通过使相等的电流从公共结到其各自的二极管接头在每个线圈中流动,通过相应的相对极化的二极管来接地而产生附加的磁场 对。 串联谐振由发射机耦合电容和两个线圈的并联组合建立。 发射机和接收机调谐是独立的。 接收机调谐不受发射机电路和耦合电容的影响,因为发射机连接到接收天线线圈之间的零点。 发射机调谐不受接收器电路和接收器电容的影响,因为二极管对在传输期间在接收机输入端提供相对较短的时间。
    • 5. 发明授权
    • Methods and apparatus for a remote, noninvasive technique to detect core body temperature in a subject via thermal imaging
    • 用于通过热成像检测受试者的核心体温的远程非侵入性技术的方法和装置
    • US07340293B2
    • 2008-03-04
    • US10854574
    • 2004-05-25
    • Gary L. McQuilkin
    • Gary L. McQuilkin
    • A61B5/01
    • A61B5/015G01J5/0025G01J5/522G01J2005/0077
    • An approach to noninvasively, remotely and accurately detect core body temperature in a warm-blooded subject, human or animal, via thermal imaging. Preferred features such as the use of in-frame temperature references, specific anatomical target regions and a physiological heat transfer model help the present invention to overcome pitfalls inherent with existing thermal imaging techniques applied to physiological screening applications. This invention provides the ability to noninvasively, remotely and rapidly screen for diseases or conditions that are characterized by changes in core body temperature. One human application of this invention is the remote screening for severe acute respiratory syndrome (SARS), since fever is a common, early symptom. Other diseases and conditions that affect the core body temperature of humans or animals may also be noninvasively and remotely detected with this invention.
    • 通过热成像非侵入式,远程和准确地检测温血对象,人或动物的核心体温的方法。 诸如使用框架内温度参考,特定解剖目标区域和生理学热传递模型的优选特征有助于本发明克服应用于生理筛选应用的现有热成像技术固有的缺陷。 本发明提供对以核心体温变化为特征的疾病或病症非侵入性,远程地和快速地筛选的能力。 本发明的一个人类应用是严重急性呼吸综合征(SARS)的远程筛查,因为发烧是常见的早期症状。 影响人或动物核心体温的其他疾病和病症也可以用本发明进行非侵入性和远程检测。