@Donedeal;
Don't look down on the people at City Hall. They used to have an hourly parking charge system....all the spaces in the CBD had meters and motorists used to feed coins...last time I used them I pain one bob for 15 minutes. That was in the 1980's.
People complained that feeding meters with coins every hour was cumbersome and archaic....so the CCN {not NCC as most people call the council] did away with them and introduced the flat rate method.
The parking fee is first and foremost intended as a deterrent to discourage people from driving personal cars into the CBD and secondly as a revenue stream for cosmetic maintenance of the road 'furniture'.
So your idea is not so new by any standards...perhaps you will now use an electronic meter instead of the mechanical ones that used to be there.
If indeed you idea is new,contact a layer and you will be guided on how to protect yourself. In addition,have you considered patenting it?
FYI: CCN did not steal Adopt-a-light's idea! Ask yourself why they never sued the council after their contract was cancelled abraptly. The deal was very smelly!! In addition,the street light fitted by the council do not carry any advertising...
Behind the gardens...Behind the wall...Under the tree (Including: Red...Dark Blue...Yellow)
Nothing is real unless it can be named; nothing has value unless it can be sold; money is worthless unless you spend it.