Sensitive ground surface tiltmeter

Details Sensitive ground surface tiltmeter Sensitive ground surface tiltmeter

2008-07-22

2008-07-22

Guadalupe-McCall, Yaritza (Department: 2859)

Geometrical instruments

Gauge

Earth profile or road grade or shrub or tree trim guide

C033S0010HH, C033S295000

Reexamination Certificate

active

07401414

ABSTRACT:
The invention relates to a geoscientific observation technology, especially relates to a ground surface tiltmeter by using microscope for micro measuring. In order to solve the problems such as low reading accuracy and enormous error of the traditional ground surface tiltmeter, the invention provides a ground surface tiltmeter by using microscope for micro measuring, comprising a main body of the ground surface tiltmeter and a micro-measuring device, the main body of the ground surface tiltmeter is a vertical pendulum ground surface tiltmeter or a horizontal pendulum ground surface tiltmeter, the micro measuring device comprises an optical microscope, the focus of objective lens of said microscope is coincident to the reading point of the ground surface tiltmeter. The invention adopts optical microscope to amplify the ground gradient of the ground surface tiltmeter, ensures high measuring accuracy of the ground surface tiltmeter, and also makes the assembly simple, and the production cost reduced.

REFERENCES:
patent: 2303845 (1942-12-01), Krasnow
patent: 4290207 (1981-09-01), Browning et al.
patent: 5224271 (1993-07-01), Langford et al.

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