人教版高中英语课件：unit18 listening and speaking.ppt

pre-listening : what can we do to protect our patent rights? inventive concept 发明构思 the certificate of patent for invention 发明专利证书 the right of patent application 专利申请权 the patent office 专利局 patent marking 专利标记 patent number 专利号 patent reexamination board 专利复审委员会 listening : listen to the dialogue on the tape and answer the questions below: dialogue 1 what are the advantages of mr. jones new invention? how does it work? the new invention is clean and cheap. its a vehicle that doesnt need an engine or fuel. the vehicle is powered by the person who uses it. what can it be used for? why does the patent officer not want to give mr. jones a patent? the invention can be used as a means of transportation, instead of cars and buses. the patent officer wont give the man a patent because the vehicle described by the inventor has already been invented- its a bike-like two-wheel car. listening : listen to the dialogue on the tape and answer the questions below: dialogue 2 what has mr.butler invented? why did he invent it? how does it work? why does the patent officer not want to give mr. butler a patent? what has mr.butler invented? he has invented a device for helping people carry heavy objects. why did he invent it? he was tired of carrying heavy grocery bags./ he got the idea when he saw a woman carrying some heavy bags. how does it work? if you put the bags into a large bucket of water. the bags will float and you wont have to carry them. why does the patent officer not want to give mr. butler a patent? the patent officer wont give the man a patent because his idea doesnt work- you would still have to carry the large buckets! three criteria must be met before patent right may be granted. they are novelty (新颖性), creativity, and practicality. post-listening : discuss: what should a new thing be like in order to be given a patent? what advantages have cars brought us? what benefits have we got from computers? if you have invented an inflatable bike, what should you do? state intellectual property office (sipo) different kinds of patents: patent of invention utility new patent appearance patent 20 years 10 years 10 years inventor a you have invented a car that uses water instead of petrol. inventor b your new invention is a flying bicycle. inventor c your new invention is a machine that makes it possible for people to see the future. inventor d you have invented a pen that translates what you write into a foreign language. patent officer listen to each group member and ask questions. decide which of the inventions you think is the most useful and prepared to explain why. useful expressions this invention can help people what does it look like? whats it made for? this is a new way of how does it work? how would people use it? this new invention wi