Survey apparatus, method employing angular accelerometer

Details Survey apparatus, method employing angular accelerometer Survey apparatus, method employing angular accelerometer

1979-05-31

1981-10-06

Leppink, James A.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

73516LM, 33304, G01P 1500, G01C 900

Patent

active

042930464

ABSTRACT:
A method of determining azimuth involves use of an angular accelerometer, and includes:

REFERENCES:
patent: 3293921 (1966-12-01), Riordan et al.
patent: 3315224 (1967-04-01), Ferguson
patent: 3732883 (1973-05-01), Munch
patent: 3753296 (1973-08-01), Steenwyk
patent: 3789935 (1974-02-01), Saadeh
patent: 3977256 (1976-08-01), Wernstedt
Anon. Electronics, McGraw Hill Inc., New York, N.Y., vol. 49, No. 26, p. 11E, 12E, Dec. 23, 1976.

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