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1.Dispersive electromechanical delay line utilizing tapered delay medium 失效
Title translation: 分散机电延迟线采用锥形延迟介质公开(公告)号:US3264583A
公开(公告)日:1966-08-02
申请号:US28724963
申请日:1963-06-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: FITCH ARTHUR H
IPC: H03H9/40
CPC classification number: H03H9/40
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2.Elastic wave system temperature control for controlling delay time 失效
Title translation: 弹性波系统温度控制用于控制延迟时间公开(公告)号:US3355681A
公开(公告)日:1967-11-28
申请号:US44162265
申请日:1965-03-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: BEURRIER HENRY R , FITCH ARTHUR H
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3.Off-axis elastic wave delay device with spherical reflections 失效
Title translation: 具有球面反射的离轴弹性波延迟装置公开(公告)号:US3317862A
公开(公告)日:1967-05-02
申请号:US39566664
申请日:1964-09-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: FITCH ARTHUR H
IPC: H03H9/36
CPC classification number: H03H9/36
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公开(公告)号:US3543193A
公开(公告)日:1970-11-24
申请号:US3543193D
申请日:1968-08-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: FITCH ARTHUR H , MEITZLER ALLEN H
CPC classification number: H03H9/36
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公开(公告)号:US3271704A
公开(公告)日:1966-09-06
申请号:US26771463
申请日:1963-03-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: FITCH ARTHUR H
IPC: H03H9/40
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