电话的发展史 telephone 动态 背景 ppt

1、在人生的道路上，不管遇到什么阻碍我都会一直勇往直前The telephoneThe authorThe history of telephoneThe background Hi, thereThe invention In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respectiv

2、e designs to the patent office within hours of each other, Alexander Graham Bell patented his telephone first. First Voice - Mr. Watson, come here. I want to see you. Alexander Graham Bells notebook entry of 10 March 1876 describes his successful experiment with the telephone. Speaking through the i

3、nstrument to his assistant, Thomas A. Watson, in the next room, Bell utters these famous first words, Mr. Watson - come here - I want to see you. Set-Top Box Gower-Bell 磁力发电机壁式电话（机顶盒） 1879 1880 1885 西方电动折叠橱式电话 Strowger 10位自动壁式电话 Stromberg-Carlson直立锥形桌面电话 1892 1899 1900 Kellogg角落台式电话 De Veau桌式电话 旋转式电

4、话 1902 1912 1940s 可视电话 摩托罗拉DynaTAC 8000X 按键式电话 1960 1970 1980s 无绳电话 西门子AG GSM电话 1990 1991西蒙西蒙诺基亚诺基亚摩托罗拉摩托罗拉夏普夏普黑莓黑莓iphoneiphoneT-Mobile G1(htcT-Mobile G1(htc前身前身）Born in LebanonFinished high school(in 1962)Went to North Carolina(19651969)Went back to teach in Lebanon (until 1975)Fled to the USA(in 1

5、975)Now The earliest evidence of civilization in Lebanon dates back more than seven thousand years, predating recorded history. Lebanon was the home of the Phoenicians, a maritime culture that flourished for over a thousand years (c. 1550539 BC). Before the Lebanese Civil War ,the country experience

6、d a period of relative calm and renowned prosperity, driven by tourism, agriculture, commerce, and banking. Because of its financial power and diversity, Lebanon was known in its heyday as the Switzerland of the East . It attracted so many tourists that the capital, Beirut, was referred to as the Pa

7、ris of the Middle East. a viliage that lies in the Lebanon mountains running parallel to the mediterranean coastline. a narrow plain lies along the mediterranean coastline .in some places the plain is just wide enough for a road.Magdaluna 马格达路娜马格达路娜 (para.1) a city on Lebanon s southern coast , appr

8、oximately 25 miles south of beirut.it is one of the countrys largest ports and one of the oldest cities in the middle east.in 1985,the city had approximately 100,000 residents The practice has come down from ancient times, when the Arabs were mostlynomadic hersmen.Today, this intermarriage is still

9、very common because of economic sonsiderations. p153. It refers to the cerebration of the Lords supper in the Christian Church. In this religious ceremony believers eat bread and drink wine as signs of Christs body and blood. Everything should be covered except hands, face and feet. Beneath a robe, a woman may be wearing a traditional dress, casual clothes or business suit. The effect of the telephone on the village Before : children- lack of education villag