Electronic surveying system

Details Electronic surveying system Electronic surveying system

1977-06-27

1979-03-27

Wise, Edward J.

Boots, shoes, and leggings

356 5, G01B 1126

Patent

active

041469275

ABSTRACT:
The surveying system comprises a theodolite which provides digital data from electro-optical horizontal and vertical circle reading components and includes a level sensor which generates digital data relative to the attitude of the vertical axis of the instrument. Additional means are included for presetting instrument correction and scaling factors which together with angle and level data are processed by an on-board microcomputer to yield accurate digital displays of horizontal and vertical angles. Provision is also made for the input of digital slope range data from an electronic distance measuring instrument to be displayed directly or processed with horizontal and vertical angle data by the microcomputer to provide vector coordinates of the observed target. In response to operator selection from parameter and vector functions the control program cycles the processing of relevant data in order to provide a repeatedly updated display of any desired function.

REFERENCES:
patent: 3619058 (1971-11-01), Hewiett et al.
patent: 3652161 (1972-03-01), Ross
patent: 3680958 (1972-08-01), Bose
patent: 3778159 (1973-12-01), Hines et al.

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