Digital multimeter having an improved design against mechanical

Details Digital multimeter having an improved design against mechanical Digital multimeter having an improved design against mechanical

1995-02-06

1997-04-29

Snow, Walter E.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Casings

361728, G01R 1512, G01R 104

Patent

active

056252862

ABSTRACT:
A digital multimeter having a structure built to withstand mechanical shock. The digital multimeter has an enclosure in which there is disposed a shielding or protecting plate provided with an elastic projection for pressing a liquid crystal panel toward a side of the enclosure and a battery holding projection for holding a battery mounted on a battery holder. The shielding or protecting plate is supported on the side of the enclosure. The shielding or protecting plate is also provided with a partition plate for fixing a crystal resonator element mounted on the circuit board. On the side of the enclosure, there is provided a pair of projections to prevent a fuse from moving. Thus, component elements disposed in the digital multimeter, which may leave their given location due to mechanical shock applied, for example, when the digital multimeter is dropped are "fixed" by, among other things, the shielding plate and the enclosure thereby improving the multimeter's resistance against mechanical shock.

REFERENCES:
patent: 4951834 (1990-08-01), Aikins
patent: 4994734 (1991-02-01), Germer et al.
patent: 5084670 (1992-01-01), Melenotte
Nihon Keizai Shinbun (Japan Economic News) of Feb. 8, 1994.

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