Dear Rony, >The main hurdle in this concept is to develop a proper radio system >that has >directional accuracy without being too expensive for the >comman man.
The idea is excellent. I have done various electronics projects(8051 based). Also, I have enough knowledge of Radio frequency. I need somebody's assistance to get started with the project. Rgds, Hemendra Jain Team Work leads to success. On Wed, 30 Aug 2006 Rony wrote : >Hello All, > >While we are on to discussing new ideas, this is a concept that I thought of >during my daily traveling. I am mostly on field and travel a lot in public >transport. I have observed that visually impaired persons usually have a >problem with directions and it is more complex when it comes to making choices >in different directions. Now that we have the honor of having an extremely >talented person like Mr. Mane on our list, he too can give feedback on this. > >The normal method is to use beeping sounds near signals and crossings. >However, our road networks are complex and require more complex sign aids. The >problem is compounded when making a choice at a junction of many roads, not >knowing which road leads to what place. > >This can be resolved by having radio beepers at all road points and each >beeper having its own data repeatedly broadcast. To differentiate between each >post and its data, the user has a handheld unidirectional radio receiver that >has a mini parabolic dish antenna. The user first turns the receiver around >and gets beeps for every radio post detected. As the device is pointed, its >sound is the loudest when pointing straight to it. Then with the flick of a >switch, he hears the data through a earphone. It tells him where he is located >and where the direction he points to, is leading to with actual road names >too. Its like a guide explaining different directions. So while the radio post >is omni directional, the receiver is uni directional. > >Shops and restaurants too can use these radio posts to guide people to their >shops and advertise their merchandise. I say, this system can be used even by >sighted people who need help in directions, as big junctions have long >distances across and looking across signboards can be difficult with buses and >other traffic blocking the view. Tourists will find this a very handy live >city guide. > >The main hurdle in this concept is to develop a proper radio system that has >directional accuracy without being too expensive for the comman man. > >Regards, > >Rony. > > ___________________________________________________________ Try the > all-new Yahoo! Mail. "The New Version is radically easier to use" The Wall > Street Journal http://uk.docs.yahoo.com/nowyoucan.html > > >-- http://mm.glug-bom.org/mailman/listinfo/linuxers -- http://mm.glug-bom.org/mailman/listinfo/linuxers

