Or have a midget captain pop out and give a carrot to a rabbit, who must squeeze his furry hide past the sensor thus wiping it... ----- Original Message ----- From: "Dan Michaels" To: Sent: Friday, August 31, 2001 4:22 PM Subject: Re: [EE]: Botboard > Lawrence.L wrote: > >Y'know, with all this talk about optical sensors, keep this in mind: Cutting > >grass is a dirty job. If you are not careful, any optical sensor is going > >to soon be covered in gook. > ........... > > > Tiny "windshield" wipers. > Or tiny eyelids. > Or mount the sensor on a servo and pan to limit to squeegee the lens. > Or mount the sensor in a clear plastic hemisphere and dribble water > down out of a bucket to keep the surface clean - plus water the > grass at the same time - drain comes out "behind" the mower. > Or have the mower come over to its hutch every few passes for a > lens cleaning. > Or have the sensor retractable into a box with auto cleaning as it > goes in and out. > Or only mow on rainy days. > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics