General Sensors Group

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Looking for sensor

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Ultra Low Power Motion Sensor Recommendations

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Sensor Technology - Opinion

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Comment by Nelson Pinilla on March 25, 2011 at 9:29am
For 2-5 meters range you can find those in
Comment by Taufiq Arif Setyanto on March 12, 2010 at 6:18pm
Dear members
I am looking for the linear displacement sensor which be able for measuring the linear translation motion within about +/- 2-5 m range with the resolution of about 0.1% of the object. If any body knows it , the product or any other recomendation I am very pleased to be informed. please directly mail me to or Thank you in advance.
Comment by Donald Fitchett on March 6, 2010 at 4:11pm
Thanks Leslie. I forgot about Balluf, but have now redifined the scope so what I am now looking for is wireless I/O to work with SLC 500. this way I get wireless outputs too as a more cost effective solution instead of single wireless sensors. Enjoy your weekend.
Comment by Leslie Langnau on March 6, 2010 at 7:48am
Hi Donald,

I know that Balluff and Banner offer some wireless sensors. They have decent reputations in the industry. You might want to check out their web sites.


Comment by Donald Fitchett on March 3, 2010 at 6:13am
What is the best source for wireless sensors to connect to a PLC?
Comment by John R. Gyorki on February 20, 2010 at 3:43am
Hi Jason,
What kind of help do you need; engineering and design or patent? Before you reveal any details here, make sure you are covered by at least your patent application and non-disclosure agreements to individuals.
Is there anyone else in this group who can make additional suggestions about related intellectual property issues?
Comment by jason s. killebrew on February 19, 2010 at 9:40pm
hello to all! my name is jason and i need help with an invention that partly consists of the use of a sensor. i will pay well, my invention is a sure thing!!!
Comment by hugh on November 16, 2009 at 2:21pm
Hi Andrew and Fellow Engineers,

Thank you for your interests in Tailgate Alerter.

Here's the plan:

Remember in the early 80's when they came out the car alarms device, which some of us, at least i did, thought it was almost impossible to market it due to its wiring complication, but it turned out a multi-billion dollar gadget.

The same marketing technique can be applied with Tailgate Alert. Though John R. Ryorki mentioned Tailgate Alerter may face:
"1. There are standards for automotive lights, and this does not fit any current standards.
2. New standards would have to be made, and that would take considerable time and expense that no one is willing to undertake at this time.
3. There are safety issues that are not obvious to the user.
4. It must be self explanatory. Customers would have to be educated on how to use it."

I have developed an unique instruction for the technicians on how to install the device... to meet the "standard requirements" and to eliminate the "safety issues" as John mentioned.

A friend of mine recently involved in an accident resulting from a tailgate driver. Sometimes, we get carried away while driving, we either drive fast and tailgate other vehicle. I'm certain that insurance industry would love to have every vehicle installed with this device.

I'm ready to gather a group of experts (as Andrew Dreasler) for the venture. If anyone interested, please write me at Thank you.
Comment by Andrew Dreasler on November 16, 2009 at 1:05pm
By George, I think you've got it! (Sorry, couldn't resist)

That's exactly what the police use for their 'moving radar gun' setups; one doppler gun reading the speed of the suspected speeder relative to the moving cop car, one doppler gun reading the road under the cop car to get the reference speed. Add the two together and there's your speeding ticket.

Although acoustic doppler might be tricky to read out on the road, with all the interference from ambient sounds reducing the signal to noise ratio.
Comment by George Pollock on November 16, 2009 at 11:20am
Could you take acoustic doppler off the roadway surface for speed? Wouldn't interfere with existing speedo connections, would be independent of tire size and all that.

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