Object sensor and method for use in controlling an agricultural

Details Object sensor and method for use in controlling an agricultural Object sensor and method for use in controlling an agricultural

1992-12-30

1994-01-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

47 17, 356 4, G01N 2186

Patent

active

052784231

ABSTRACT:
An object sensor and method using pulsed laser range imaging technology is adapted for controlling an agricultural spraying system. A single laser sensor employs a continuously scanned pulsed laser transmitter and optical receiver to determine the presence or absence of foliage in predetermined spray zones to selectively control spraying only in those spray zones where foliage has been sensed. Range and distance data are also collected and stored in a microprocessor for use in determining the appropriate zones requiring spraying.

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patent: 4179216 (1979-12-01), Theurer et al.
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patent: 4768713 (1988-09-01), Roper
patent: 4823268 (1989-04-01), Giles et al.
patent: 5172861 (1992-12-01), Lenhardt
patent: 5222324 (1993-03-01), O'Neall et al.

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