Novelty is a something new and interesting that can make people attract with that thing. Although is an abstract or impressionism.Example Internet. People long time ago when they want do some research. They have go to travel to find it their answer or looking some info to library.But rite now people just find it all the question or problem by click the mouse computer.All the info you want to know something just at your hand without go to travel or doing something to explore.
While Innovation is a new way to make something different(new). Although it refer to product,processes or organization.It can relate with anything.Example Television.In our new generation. Totally all type is flat screen(Liquid Crystal Display a.k.a LCD).It not heavy and we can hang up into wall at leaving room. How ewer before this the old type(physical) television (Catod Ray Tube a.k.a CRT) is has a lump and sometimes it heavy.
For invention it mean a new release from composition or metal or from an idea another person that already create it. Just change to something else from that source then turn in into something new.Example that i can show you is the style of new Hand Phone sidekick (Sharp).This brand has made a new style hand phone by sliding (T Mobile sidekick) and this company make a originality design.Then comes to another brand that we can compare with sidekick brand is from company LG (life Good).They take an idea from other design and make it with something new with different specification.
References:
http://en.wikipedia.org/wiki/Novelty
http://en.wikipedia.org/wiki/Innovation
http://en.wikipedia.org/wiki/Invention