Computer accessibility for the Differently-abled
Inspired by a small child who played cricked by bowling with his
shoulders because he had no arms to bowl, Mr. M. A. Prince Chandresena
came up with this invention nearly 4 years ago. This innovative piece of
head gear allows people that cannot use their hands to move a mouse, to
move it with a small tug of the head.
The concept here is also quite simple. Sensors are placed above the
head, below the chin and on sides of
the face that is sensitive to
touch. When the head moves to the right, the mouse will also move to the
right. The left mouse button is pressed by blowing a small gush of air
through a tube while the right mouse button is pressed by taking in a
gush of air from the tube. Though it's uncomplicated, according to Mr. Chandresena, it really works.
"I could have used an infra red motion sensor or some other fancy
equipment," says Mr. Chandresena. "But that would make the equipment too
sensitive and be nuisance to the user."
He also went on to say that the pins in the prototype were adjustable
and therefore would be able to fit into a head of any shape and size. A
local patent for the product has been claimed by Mr. Chandresena but he
says that it's not financially feasible to get an International patent
without any investors to sponsor him.
At the time of invention (in 2002) a lot of media coverage including
Television and Press had been bestowed upon our inventor, but as Mr.
Chandresena says, it's hard for a Sri Lankan inventor to actually
achieve something and see that it turns into a reality.
Inventor: Mr. Prince Chandresena
Contact: 037 2299149, 0777155125
So far the collecting and counting of ballots and everything that
happens in between the election is done manually. Only the statistical
analysis is computerized in Sri Lankan elections. But according to the
inventors of this new technology, if the elections commission and the
government are ready, Sri Lanka is just steps away from a technology
that can computerize election centers.
The project which was done as a final year project by the Electronics
and Telecommunications Engineering undergraduates in the University of
Moratuwa, is able to fully computerize the ballot taking process.
Tough security measures are implemented including a 48 bit secure
serial number and a separate key to
activate the machine. The equipment has been designed as to
look very similar to that of a sheet of paper that one receives to cast
their vote. The name of the party is clearly visible along with the logo
and color of the party. A separate section had been made for the casting
of preferential votes.
According to the graduates who designed the system, Angela,
Baherathan, Niroshan and Pradeepan, the system is quite is quite secure
and multiple votes can be easily recognized because the NIC number of
the voter should be entered before hand. This makes it also possible to
centralize the NIC numbers to a server and see if there was a multiple
casting of vote in several electorates by the same person.
Staff advisor: Dr. Chulantha Kulasekara, University of