Patent search ap:("BECKMAN INSTRUMENTS INC") AND inv:"CLIFFGARD ARNIE L" Page 1

1.

发明授权
Meter and alarm circuit including switching means for measuring either of two potentials and amplifier triggering means for comparing the two potentials 失效
Title translation: 仪表和报警电路，包括用于测量两个电位和放大器触发装置的两个电位比较的两种电位的切换手段

公开(公告)号：US3444467A

公开(公告)日：1969-05-13

申请号：US3444467D

申请日：1967-12-08

Applicant: BECKMAN INSTRUMENTS INC

Inventor： CLIFFGARD ARNIE L

IPC: G01R19/165 , G01R19/14 , G08B21/00

CPC classification number: G01R19/16576

2.

发明授权
Voltage-to-current converter for use with measuring instruments 失效
Title translation: 电压 - 电流转换器用于测量仪器

公开(公告)号：US3440518A

公开(公告)日：1969-04-22

申请号：US3440518D

申请日：1966-10-24

Applicant: BECKMAN INSTRUMENTS INC

Inventor： CLIFFGARD ARNIE L , BOYNTON DAVID G

IPC: G01N21/27 , G01N27/28 , G01R19/00 , G05F1/44

CPC classification number: G01N27/28 , G01N21/27 , G01R19/0023

3.

发明授权
Mode selection switch 失效
Title translation: 模式选择开关

公开(公告)号：US3354355A

公开(公告)日：1967-11-21

申请号：US58904166

申请日：1966-10-24

Applicant: BECKMAN INSTRUMENTS INC

Inventor： CLIFFGARD ARNIE L , KEEGAN JACK J , RANDALL JERROLD H

IPC: G05B19/04 , H01H1/40 , H05K1/02 , H05K3/22 , H05K3/34

CPC classification number: H01H1/403 , H01R12/7094 , H05K3/222

4.

发明授权
Range scale circuit including temperature compensation element 失效
Title translation: 范围电路包括温度补偿元件

公开(公告)号：US3528904A

公开(公告)日：1970-09-15

申请号：US3528904D

申请日：1968-04-12

Applicant: BECKMAN INSTRUMENTS INC

Inventor： CLIFFGARD ARNIE L

IPC: G01N27/416 , G01N27/46

CPC classification number: G01N27/404

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