From: Jim Thompson
Subject: Re: Vehicle Detection using RFID other technologies.
X-Newsreader: Forte Agent 1.91/32.564
Date: Sat, 02 Nov 2002 18:34:20 GMT
NNTP-Posting-Date: Sat, 02 Nov 2002 13:34:20 EST
Organization: Cox Communications
On Sat, 02 Nov 2002 10:12:50 -0800,
Richard Crowley ,
In Newsgroup: sci.electronics.design,
Entitled: "Re: Vehicle Detection using RFID other technologies.",
Wrote the following:
|Sanjeev Gupta wrote:
|>We are looking for a transmitter/receiver that can detect a vehicle,
|>equipped with a transmitter, travelling at a speed of upto 100 km. per
|>hour on a highway. The receiver should be able to read a serial number
|>from the tag attached to the vehicle and send it to a receiver
|>attached to a computer via serial/USB port.
|> There should not be any restriction for direct line-of-sight
|> between the vehicle and the receiver/sensor.
|> The sensor shall be placed at a distance of 100
|> meters from the vehicle.
|> We will not be able to use the road loop antenna or
|> overhead gantries.
|Seems unlikely you will see something like this outside a Hollywood
|movie. Asking in a newsgroup would apear to establish up front that
|you don't have the budget to accomplish this. Even without your
|requirement for "low-cost".
|It is done today, but only with close-proximity (<2m) receiving
|antennas, usually road loops (used for automated toll-accounting) or
|overhead directional antennas (used for automated truck weighing).
If this requirement is for more than a "one-off" situation... i.e. a
legitimate commercial application, contact:
615 Tasman Drive
Sunnyvale, CA 94089
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
For proper E-mail replies SWAP "-" and "_"
Don't buy ANYTHING from CSENSORS.............Contact me for details