发明授权
- 专利标题: Miniature drum indicator
- 专利标题(中): 微型鼓指示器
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申请号: US3638117D申请日: 1969-03-14
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公开(公告)号: US3638117A公开(公告)日: 1972-01-25
- 发明人: FLEETMAN HOBART H
- 申请人: ELECTRO MECHANICAL INSTR CO IN
- 专利权人: Electro Mechanical Instr Co In
- 当前专利权人: Electro Mechanical Instr Co In
- 优先权: US80726769 1969-03-14
- 主分类号: G01R5/04
- IPC分类号: G01R5/04 ; G01R5/16 ; G01R11/02 ; G01R1/20 ; G01R1/16
摘要:
In an electrical meter, the indicator includes a drum driven by a moving-magnet-type meter movement. A helical pattern on the drum moves relative to a flat scale to represent the value of an applied electrical signal.
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