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公开(公告)号:US3274379A
公开(公告)日:1966-09-20
申请号:US27301063
申请日:1963-04-15
Applicant: BECKMAN INSTRUMENTS INC
Inventor: KARL HINRICHS
IPC: G06F17/15
CPC classification number: G06F17/15
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122.A. c. measuring circuit having an amplifier with feedback path in which a synchronous switch output drives a d. c. meter 失效
Title translation: A. c。 测量电路具有具有反馈路径的放大器,其中同步开关输出驱动d。 C。 仪表公开(公告)号:US3267378A
公开(公告)日:1966-08-16
申请号:US18241662
申请日:1962-03-26
Applicant: BECKMAN INSTRUMENTS INC
Inventor: BARTER LE ROY D
IPC: G01R19/22
CPC classification number: G01R19/22
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公开(公告)号:US3267016A
公开(公告)日:1966-08-16
申请号:US33342463
申请日:1963-12-26
Applicant: BECKMAN INSTRUMENTS INC
Inventor: ARTHUR EDWIN P
IPC: G01N27/401
CPC classification number: G01N27/401
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公开(公告)号:US3266115A
公开(公告)日:1966-08-16
申请号:US40008464
申请日:1964-09-29
Applicant: BECKMAN INSTRUMENTS INC
Inventor: PEDERSEN EDVARD M
IPC: F16L23/02 , F16L23/036
CPC classification number: F16L23/02 , F16L23/036
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公开(公告)号:US3260920A
公开(公告)日:1966-07-12
申请号:US22654962
申请日:1962-09-27
Applicant: BECKMAN INSTRUMENTS INC
Inventor: SHOEMAKER WILLIAM E
IPC: G05F1/563
CPC classification number: G05F1/563
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126.
公开(公告)号:US3260911A
公开(公告)日:1966-07-12
申请号:US25495963
申请日:1963-01-30
Applicant: BECKMAN INSTRUMENTS INC
Inventor: RASMUSSEN SVEIN B
CPC classification number: H02P1/166 , H02P25/14 , Y10S388/921 , Y10S388/924
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127.Oscillating beam switching mirror mount for use in a spectrophotometer 失效
Title translation: 用于分光光度计的振荡光束切换镜座公开(公告)号:US3256769A
公开(公告)日:1966-06-21
申请号:US13236461
申请日:1961-08-18
Applicant: BECKMAN INSTRUMENTS INC
Inventor: MATTHEWS KENNETH V , APPEL ROBERT M , TIPOTSCH DONALD G
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公开(公告)号:US3249403A
公开(公告)日:1966-05-03
申请号:US23509662
申请日:1962-11-02
Applicant: BECKMAN INSTRUMENTS INC
Inventor: HAROLD BOCHINSKI JULIUS , PORTER JOE A
IPC: G01N30/06
CPC classification number: G01N30/06
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129.Amplifier passive nonlinear feedback voltage limiting network 失效
Title translation: 放大器无源非线性反馈电压限制网络公开(公告)号:US3248569A
公开(公告)日:1966-04-26
申请号:US29077863
申请日:1963-06-26
Applicant: BECKMAN INSTRUMENTS INC
Inventor: WEEKES BARRET B
IPC: H03G11/02
CPC classification number: H03G11/02
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公开(公告)号:US3246559A
公开(公告)日:1966-04-19
申请号:US16179361
申请日:1961-12-26
Applicant: BECKMAN INSTRUMENTS INC
Inventor: CLIFFORD JR GEORGE F
IPC: G01N21/03
CPC classification number: G01N21/03
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