1878, handheld phone
This telephone was made in 1878 by Werner Siemens of Germany. Its receiver and microphone are the same, and they are used alternately when listening and speaking.
1879, boxed mobile phone
This mobile phone is equipped with a magnetic generator made of mahogany by viaduct manufacturing company and a cylindrical receiver.
1880, Bell Telephone
This is the first telephone used in Europe. It replaces the telegraph and is more advanced than the magnetophone with handle.
188 1, 1882, wall-mounted telephone with magnetic generator.
The phone on the left is American Bell model, 188 1 produced and used by Bell International Telephone Company in Copenhagen. Made by L.M.Ericsson. This mobile phone was very popular at the end of last century.
1885, "Eiffel Tower" magnetic generator telephone
This mobile phone was made by L.M. Ericsson at 1885. At that time, this was the first telephone on the desktop. The microphone is installed on the rotating arm, and the crank is used to connect the switch.
1885, 1902, wall-mounted telephone with magnetic generator.
Ferdinand E. Stensen was made in Copenhagen on 1885, which was the earliest telephone made by Danes. This model is made by Emile Deleuse Telephone Company of Hawthorne.
1885, wooden stand desk phone
The manufacturer and place of origin are unknown.
1892, electric folding counter mobile phone
This kind of telephone is mostly used in homes, hotels and telephone booths.
1892, "Eiffel Tower" telephone with receiver
This is a real classic telephone, 1892, made by L.M. Ericsson. This mobile phone has spread all over the world and produced nearly one million sets.
1893, "coffee pot" phone
This mobile phone has only a few samples in Denmark, which is the most attractive and valuable for collectors. 1899, digital mechanical wall phone
There are two kinds of digital mechanical phones: wall-mounted and desktop.
1900, vertical desk phone
This round-bellied desk phone is plated with bronze nickel. There is a strong bakelite under the hanging rod. It also has a peripheral phone to show off.
1900, Vertical Cone Desk Phone
This mobile phone has a nickname "oil pan" because of its shape. 1900, 20-line separated telephone
This section is the so-called 20-line separated telephone. It can only be used for the internal telephone of Swedish company L. M. Ericsson.
190 1 year, desk phone with magnetic generator.
This model was manufactured by Ferdinand E. Stensens Telefon Fabrick in Copenhagen in 190 1 year. Pay attention to its receiver and hang it on the hook alone. It may be because the quality of telephone access was not high at that time, and sometimes two ears were needed to listen.
1902, Kellogg corner desk phone
This kind of corner desk phone is mostly used in homes, offices and telephone booths. It is made by American hardwood telephone company. I bought it from farmers in a small town in California.
1902, public battery wall telephone
This kind of phone doesn't need to turn the handle, so it can pick up the receiver and talk directly to the operator. It was bought from an antique shop in San Francisco.
1904, magnetic generator * * * line telephone
This mobile phone is produced by L.M.Ericssom company, and the phone number is 1904. This phone can be shared by four users. 1753, 17 In February, the idea of current communication was first put forward in a magazine named Scotsman, and the article was signed by C.M.
1784 August 15, see the communication.
A visual communication method called "distance communication" was first used between Lille, France and Paris.
1796, microphone relay transmits voice.
Hughes, an Englishman, put forward a method of transmitting sound through microphone relay, and named it telephone, which has been in use ever since.
1832, a telegraph with galvanometer pointer deflection to receive information.
Russian diplomat Schilling made a telegram using galvanometer pointer deflection to receive information.
1835, telegram
Morse, an American, invented the telegraph that used the principle of electromagnetism to transmit telegrams.
1in June, 837, an Englishman, Cook, obtained the first patent for the invention of the telegraph, and his telegraph machine was used on the railway for the first time.
From 1837 to 1838, Morse invented Morse code to encode numbers and letters by "turning on" and "turning off" current.
1843, Morse built a telegraph line from Washington to Baltimore, with a total length of 64.4 kilometers.
1844 On May 24th, Morse sent the first telegram in human history to Baltimore at the Capitol: "What a miracle God has created!" .
1850 On August 28th, two brothers, John and Jacob Brett, laid the first submarine cable on the high seas between Cape Grace-Naiz in France and Cape Richland in England, but it was interrupted after only a few telegrams. It turned out that a fisherman hooked a rope with a trawl and cut off a piece to brag about this rare "seaweed" specimen, and was surprised to say that it was full of gold.
In March 1876, 10, an Englishman Bell invented the telephone.
"Mr Watson, please help me" became the first human voice transmitted by telephone. At that time, Bell spilled acid from the microphone on his leg.
1879, a telegraph line was set up between Tianjin and Dagu Beitangbao.
1882 February 2 1 day, Gaodan Gaobei Telegraph Company set up a telephone exchange on the Bund in Shanghai.
1895, Russian popov and Italian Marconi invented the wireless telegraph respectively.
On May 6th, 2008, Marconi successfully conducted radio communication in Bristol Strait.
1900, Shanghai Nanjing telegraph office opened the local telephone, and there was only 16 telephone at that time.
190 1 year, Marconi realized radio communication across the Atlantic.
1903, the wireless phone test was successful.
108, French inventor Edward Belin showed his research results-photo fax in the building of the French Photography Association.
19 19, Pahlm and Behlander invented the "crossbar connector". 10 years later, the world's first large-scale vertical and horizontal telephone exchange was built in Sonzwar, Sweden.
In July, 1920, Chunghwa Post started postal telegraph service.
1937, British Reeves proposed a method of transmitting voice information through all combinations of pulses (pulse code modulation).
1945 10 British A.C. Clark put forward the idea of geostationary satellite communication.
1946, eckert and mochiri built the world's first electronic computer.
1947, Bell Laboratories put forward the concept of cellular communication, which divided the service area of mobile phones into several cells, and each cell was equipped with a base station to form a cellular mobile communication system.
1950 65438+February, the international trunk line project of China Northeast Long-distance Open Line was completed, and the Beijing-Moscow cable carrier circuit was opened.
1In July, 954, the US Navy made use of the reflection of radio waves on the surface of the moon to conduct a telephone transmission test between the two places on the earth. At 1956, communication service was established between Washington and Hawaii.
1956, a telephone cable was laid under the Atlantic Ocean between Britain and Canada, making long-distance telephone communication between continents a reality.
1957, 10 year 10. On October 4th, the former Soviet Union successfully launched the first artificial satellite "1 satellite".
1958 In August, the first domestic 12 carrier telephone equipment was successfully developed in Shanghai Post and Telecommunications Equipment Factory.
1960 65438+ 10, the first set of 65438+ 10,000-door automatic telephone exchange in China was put into use in Shanghai Wusong telephone office.
1960, American physicist Mayman irradiated artificial gem with powerful ordinary light, and produced a laser with a light intensity of 0/00000 times that of the sun.
1962, the United States successfully developed a pulse code modulation device for telephone multiplex communication.
1965, the first program-controlled telephone exchange controlled by computer came out in America, marking the beginning of a new telephone era.
1966, Gao Kun, a British Chinese, put forward the idea of long-distance laser communication with glass fiber.
1969, Beijing Long-distance Telecommunication Bureau successfully installed the first fully automatic long-distance telephone equipment in China.
1969, the Advanced Research Projects Agency (ARPA) of the US Department of Defense put forward a plan to develop ARPA network, which was completed and put into operation in 1969, marking the development of computer communication has entered a new era.
1970, the world's first program-controlled PBX was opened in Paris, marking the comprehensive application of digital telephone and the arrival of a new era of digital communication.
In 1972, CCITT first proposed the concept of-—ISDN.
1974, the Sino-Japanese submarine cable started construction, which was the first international submarine cable that China participated in.
1975, the crossbar automatic telephone exchange equipment developed and designed by our country passed the national appraisal and began mass production.
1976 in March, China's first large-capacity transmission system-1800 coaxial cable carrier system was completed and put into operation in Beijing, Shanghai and Hangzhou, with a total length of 1700 km.
1982, GSM was established in Europe, with the task of formulating roaming standards for pan-European mobile communication.
1982, the first batch of coin-operated public telephones in China appeared in busy streets such as East and West Chang 'an Avenue, with a total of ***22 coin-operated public telephone booths.
1982 65438+February, the first domestic ten thousand-door program-controlled local telephone exchange system imported from Japan was put into operation in Fuzhou Telecommunications Bureau, and the first imported program-controlled telephone office was built in China.
1983, the AMPS cellular system was opened in Chicago, USA.
1904, "spider" civil band telephone
Length m Ericsson's first civil band telephone. 1905, tree desk phone in Chicago
This desktop mobile phone is called "paunchy", which is named after the bulge in the middle of its handle.
1905, porch intercom
This is a 32-door porch intercom from Connecticut Telecom.
1905, 1 1 digital dial desk phone
It uses the number 1 1 to dial.
1907, "German mode" radio band telephone
1907 in Germany by e.zwuetsch &; Co manufacturing, the emergence of this mobile phone can solve the problem of long call waiting time to a certain extent.
1907, magnetic generator telephone
This phone 1907 was made by L.M. Ericsson. It is worth noting that the receiver should be hung on a separate hook when answering the phone. This was the unified standard of telephone manufacturers at that time.
1908, CH-08 hands-free phone
Introduced by KTAS.
19 10 year, VoIP.
This is a vertical desk phone made by S.H. Couch Company, which is used for communication between offices.
19 12, Office Finisher
This mobile phone can have 17 extensions at the same time through the host, each extension can be dialed out, and the extensions can also be connected to each other.
19 12, CH-08 wall phone
This telephone was made in 19 12, and made by Danes in Copenhagen. It can automatically send and receive telegrams.
19 12, telephone number of magnetic generator.
Telegrams and fax telephones produced by Ericsson are often used in remote areas or small islands.
19 14, Magnavox anti-noise desk phone
The unique design of this mobile phone is that when talking into the microphone, the sound passes through the small hole on the top of the mobile phone, which makes the vibrating plate in the mobile phone vibrate. Noise will be eliminated when it enters the microphone. Its dual rotating headphones help prevent useless noise.
19 14, Magnavox anti-noise desk phone B 1.
It also has the function of eliminating noise.
19 14, telephone number of magnetic generator.
19 14 is made in HORWENS and can be used for telegrams and faxes.
19 15, Veau desk phone
The information is unknown.
19 15, self-made wall phone.
This mobile phone was found in an abandoned farm in East Oregon. There are nearly 20 abandoned farms in the local area, and there are traces of telephones hanging on the walls.
1920, wall-mounted telephone of magnetic generator
This mobile phone is made by 1904 and updated by 1920, and it is equipped with an audible rotary red button.
1927, D-08 semi-automatic telephone
The first dial-up telephone, its appearance will replace the manual call system of the switch. The dialer was installed in 1927 and actually used in 1978.
1927, ringing telephone for AC power generation
It was made by Kristian Kirks Telefonfabrikker in Hohense, Denmark, and is still in use in the 1970s.
1929, automatic wall-mounted telephone
The information is unknown.
1930, D-30 semi-automatic gold-plated telephone
This mobile phone was produced by a Danish company at 1930, and its special feature is that its surface is gold plated. At that time, most telephones were black, and this telephone had a dialing device.
1930, FL-30 automatic telephone
It was made in Denmark in the 1930s, and it can dial letters. Similar mobile phones have been used for about 48 years.
1935, automatic telephone
This kind of telephone is used to communicate with telecommunication exchanges in remote areas, and its design was influenced by the American telephone industry in the 1930s.
1943, CB-43 telephone
This mobile phone is made by Kristian Kirks Telefonfabrikker in Denmark, and there are two kinds of ringtones designed inside to distinguish the incoming calls from those outside the city.
195 1 year, F-5 1 automatic dial-up telephone.
This telephone was made by Kristian Kirks Telefonfabrikker after World War II.
1952, F-52 automatic dialing telephone
1952, which is different from the previous black bakelite material. It is made of ivory and later plastic materials.
1956, "Ericofon" automatic dialing telephone.
This mobile phone is designed and manufactured by L.M. Ericsson of Sweden and named Ericofon. It is made of new material, which is much lighter than the receiver of traditional telephone.
1968, F-68 automatic dialing telephone
This telephone was the most common telephone in the 1970s. It was originally designed in 1960s and widely produced in Denmark.
1970, F-68 button dial phone
The first touch-tone telephone used in Denmark, which uses numeric keys instead of the original dialing method.
1976,76e/dk80 push-button dial phone
Originally produced by Jutland Telephone Company, the telephone number is 1972.
1979, F-79 push-button dial toll phone
This telephone is between the ordinary telephone and the public telephone. Mainly used in service places, hotels and other similar places, which can prevent theft and make phone calls. 1980, DA-80 push-button dial phone
The design of this phone marks that the electronics theory has really entered the telephone industry.
1982, portable telegraph telephone
This phone is made by Ericsson Wireless Systems. It was only available in Denmark, Finland, Norway and Sweden. Its appearance has opened up a new world for the future GSM mobile phone system.
1983, Danish 2-key mobile phone
DanMark2 is made in 1983, which is the embodiment of the most advanced technology in 1980s. It has many functions, such as telephone number memory function, redial function, monitoring function and 24 kinds of ringtones.
COM2008, the first fixed-line smartphone, was born in China.
In 2002, the first fixed-line smart phone COM2008 was born and mass-produced in China.
This phone was later officially collected by China Telecom Museum. The relevant person in charge of the Telecommunications Museum commented at that time: "Ordinary telephones can only carry out voice communication, while business smart phones can not only carry out voice communication smoothly, but also integrate mobile phones, PDA, computers and other functions (business office) to become information receiving terminals. At the same time, it has the characteristics of large screen, handwriting function and network function. The Telecom Museum is most interested in the latest development achievements in the telecom field displayed by this business smart phone. Collecting this mobile phone has certain value for studying and understanding the development of China's telecommunications industry. We expect that not only office phones will be replaced by business smartphones in the future, but all fixed lines will develop in this direction. "
In 2006, A7688 series multimedia smartphones
This series of fixed-line telephones has increased the network interface, which makes the fixed-line telephones enter the era of multimedia network information. Multimedia smart phone with color screen