Sensor controlled leveling device

Details Sensor controlled leveling device Sensor controlled leveling device

1987-11-20

1990-07-24

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

33366, 33377, 33378, 172 45, 340689, 356152, 356400, G01C 308, G01B 1126, E02F 376

Patent

active

049431587

ABSTRACT:
A sensor controlled leveling device comprises an attitude detector and/or a laser sensor. In order to create a sensor controlled leveling device with which a desired relative attitude may be automatically set and held the attitude detector has a float which is supported and pivoted in a central part. The laser sensor comprises a zero point recognition means whose output is connected with electronic processing circuitry for at least one servo drive. Using the control unit it is possible for the drive to be operated in a direction opposing a relative change in setting of the laser sensor in relation to a reference plane as swept out by a laser generator so as to correct deviation of the laser sensor from the reference plane.

REFERENCES:
patent: 3242340 (1966-03-01), Layne
patent: 3564531 (1971-02-01), Burgin
patent: 3640628 (1972-02-01), Jones
patent: 3660840 (1972-05-01), Plofchan
patent: 4200787 (1980-04-01), Carson
patent: 4273196 (1981-06-01), Etsusaki et al.
patent: 4677555 (1987-06-01), Goyet
Laser-Nivelliersysteme fur Baumaschinen-steuerung-"Laser-Steuersystem im Einsatz fur grobflachige Erdarbeiten"-SPECTRA-PHYSICS GmbH-31 Jahrgang, Sep./Oct. 1980-pp. 148-150.
Baumaschinen-Steuerungssystem garantiert Genauigket und lost die Personalfrage Rationalisierung beim Sportplatzbau, 16-18.
Beschleunkgeb Ofkabzebfette das Altern-UMSCHAU72 (1972), Helt 20, pp. 664-665.

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