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1.发明授权System and method for measuring a property of a dielectric material by applying signals at two different frequencies to a capacitance probe and measuring the difference in output signals while maintaining one output signal constant 失效用于通过将两个不同频率的信号施加到电容探针来测量介电材料的性质的系统和方法，并且在保持一个输出信号恒定的同时测量输出信号的差异
公开(公告)号：US3255411A
公开(公告)日：1966-06-07
申请号：US17474762
申请日：1962-02-21
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
IPC: G01N27/22
CPC classification number: G01N27/223
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公开(公告)号：US3290588A
公开(公告)日：1966-12-06
申请号：US26826863
申请日：1963-03-27
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
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公开(公告)号：US2964707A
公开(公告)日：1960-12-13
申请号：US59939356
申请日：1956-07-23
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： WARD DEWEY REX , ALAN NORWICH
IPC: G07C3/14
CPC classification number: G07C3/14
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4.发明授权Two frequency system for measuring a property of a dielectric material having a single amplifying and detecting circuit for both frequencies 失效用于测量具有用于两个频率的单个放大和检测电路的介电材料的性质的两频系统
公开(公告)号：US3327207A
公开(公告)日：1967-06-20
申请号：US26890963
申请日：1963-03-29
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
IPC: G01N27/22
CPC classification number: G01N27/223
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5.发明授权Two-frequency dielectric measuring system including a variable gain circuit for modifying the amplitude of at least one of two detection signals 失效双频电介质测量系统包括用于修改两个检测信号中的至少一个的振幅的可变增益电路
公开(公告)号：US3323047A
公开(公告)日：1967-05-30
申请号：US31744563
申请日：1963-10-21
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： MARTIN ROBERT W , ALAN NORWICH
IPC: G01N27/22
CPC classification number: G01N27/223
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Patent Agency Ranking
公开(公告)号：US2999589A
公开(公告)日：1961-09-12
申请号：US1375260
申请日：1960-03-09
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
IPC: B07C5/34 , B65B1/48 , G01F23/26 , G01F23/288
CPC classification number: G01F23/265 , B07C5/3404 , B65B1/48 , G01F23/2885
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7.发明授权
公开(公告)号：US3408566A
公开(公告)日：1968-10-29
申请号：US35248264
申请日：1964-03-17
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
CPC classification number: G01N27/223
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8.发明授权System and method for measuring a property of dielectric material by periodically and alternately applying signals at different frequencies to a capacitance probe and measuring the difference in output signals while maintaining the average amplitude of the output signals constant 失效通过周期性地交替地将不同频率的信号施加到电容探针并测量输出信号的差异同时保持输出信号的平均幅度恒定来测量电介质材料的性质的系统和方法
公开(公告)号：US3255410A
公开(公告)日：1966-06-07
申请号：US17474662
申请日：1962-02-21
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
IPC: G01N27/22
CPC classification number: G01N27/223
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公开(公告)号：US3232429A
公开(公告)日：1966-02-01
申请号：US28440263
申请日：1963-05-31
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： ALAN NORWICH
IPC: B07C5/34 , G01F23/292
CPC classification number: G01F23/2921 , B07C5/3404
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公开(公告)号：US3029417A
公开(公告)日：1962-04-10
申请号：US82257659
申请日：1959-06-24
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： WARD DEWEY REX , ALAN NORWICH
IPC: G07C3/14
CPC classification number: G07C3/14
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