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公开(公告)号:US3049790A
公开(公告)日:1962-08-21
申请号:US43428154
申请日:1954-06-03
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B5/187
CPC classification number: G11B5/187 , Y10T29/49055 , Y10T29/49071 , Y10T29/49787 , Y10T29/49798
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公开(公告)号:US2987583A
公开(公告)日:1961-06-06
申请号:US53284955
申请日:1955-09-07
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
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93.Means for counteracting shunt reluctance of a transducer head gap 失效
Title translation: 用于抵消换能器头间隙的分流磁阻的手段公开(公告)号:US2975241A
公开(公告)日:1961-03-14
申请号:US62791956
申请日:1956-12-12
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
CPC classification number: G11B11/10541 , G11B5/02 , G11B5/17 , G11B5/23 , G11B5/245 , G11B23/0007
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公开(公告)号:US2926220A
公开(公告)日:1960-02-23
申请号:US53283455
申请日:1955-09-07
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
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95.Magnetic record duplicating device for producing magnetic records 失效
Title translation: 用于产生磁记录的磁记录复制装置公开(公告)号:US2867692A
公开(公告)日:1959-01-06
申请号:US32726852
申请日:1952-12-22
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B5/86
CPC classification number: G11B5/865
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公开(公告)号:US2840642A
公开(公告)日:1958-06-24
申请号:US25643151
申请日:1951-11-15
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
CPC classification number: G11B19/165 , G11B5/012 , G11B25/043
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公开(公告)号:US2840380A
公开(公告)日:1958-06-24
申请号:US26781552
申请日:1952-01-23
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B15/34
CPC classification number: G11B15/34
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98.
公开(公告)号:US2767253A
公开(公告)日:1956-10-16
申请号:US26950852
申请日:1952-02-01
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B5/11
CPC classification number: G11B5/11
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公开(公告)号:US2763729A
公开(公告)日:1956-09-18
申请号:US19389950
申请日:1950-11-03
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B5/265
CPC classification number: G11B5/265
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100.Recording apparatus and method for making duplicate magnetic records 失效
Title translation: 用于制作重复磁记录的记录装置和方法公开(公告)号:US2747026A
公开(公告)日:1956-05-22
申请号:US6065248
申请日:1948-11-18
Applicant: ARMOUR RES FOUND
Inventor: MARVIN CAMRAS
IPC: G11B5/86
CPC classification number: G11B5/865
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