-
公开(公告)号:US4025816A
公开(公告)日:1977-05-24
申请号:US61174375
申请日:1975-09-09
Applicant: BECKMAN INSTRUMENTS INC
Inventor: WATTS GEOFFREY PHILLIP
IPC: H01J17/49 , H01J61/067 , H01J61/66
CPC classification number: H01J17/494
Abstract: Bargraph displays wherein the illuminable bar segments are formed by winding filamentary conductors upon a mandrel.
Abstract translation: 条形图显示器,其中通过将丝状导体缠绕在心轴上形成可照亮条形段。