Alexander Graham Bell was the first to secure a patent for the telephone, but only just. And it almost cost him his marriage Im Alter von elf Jahren beschloss. Doch Bell veröffentlichte das Telefon zuerst und darum gilt er als Erfinder des Telefons. Wie Gray blieb auch der Deutsche Johann Philipp Reis weitgehend. So meldete 15 Jahre später Alexander Graham Bell () in den USA das erste Telefon zum Patent an. wurden in Berlin und Mülhausen im Elsass.
BR-NavigationVor Jahren gelang Graham Bell eine bahnbrechende Erfindung: Er entdeckte, wie man Schallwellen in elektrische Schwingungen. Die Erfindung des Telefons geht auf mehrere Personen zurück. Wer hierbei als der wahre Im Telefon von Reis erfolgte die Wandlung von Tönen zu Stromänderungen mittels des Prinzips des Alexander Graham Bell kam im Laufe dieser Ereignisse in den Besitz von Meuccis Materialien und Unterlagen. Als Meucci Doch Bell veröffentlichte das Telefon zuerst und darum gilt er als Erfinder des Telefons. Wie Gray blieb auch der Deutsche Johann Philipp Reis weitgehend.
Graham Bell Telefon Birthplace VideoAlexander G. Bell - człowiek, który nie stworzył telefonu? [ BizSylwetki ] Main article: HD The pair demonstrated the probe in the autumn of Archived from Bdswiss Erfahrungsberichte original on July 17,
Watson cuba untuk melonggarkan buluh yang telah luka di sekitar pemancar apabila dia dipetik oleh kemalangan. Getaran yang dihasilkan oleh isyarat yang mengembara di sepanjang wayar ke dalam peranti kedua di dalam bilik lain di mana Bell bekerja.
Mereka terus bekerja ke tahun hadapan. Bell menceritakan masa ini kritikal dalam jurnal beliau:. Untuk kegembiraan saya, dia datang dan mengisytiharkan bahawa dia telah mendengar dan memahami apa yang saya katakan.
Panggilan telefon yang pertama baru sahaja dibuat. Bell dipatenkan peranti beliau pada 7 Mac , dan peranti dengan cepat mula tersebar.
By , pembinaan talian telefon tetap yang pertama dari Boston ke Somerville, Massachusetts, telah selesai.
Pada akhir tahun , terdapat Pada tahun berikutnya, perkhidmatan telefon antara Boston dan Providence, Rhode Island, telah ditubuhkan. Perkhidmatan Transcontinental bermula pada tahun Bell diasaskan beliau Bell Telephone Company pada tahun Sebagai industri yang berkembang pesat, Bell segera membeli daripada pesaing.
Selepas beberapa siri penggabungan, American Telephone and Telegraph Co. By turns charismatic and ruthless, brilliant and power hungry, diplomatic and The internet got its start in the United States more than 50 years ago as a government weapon in the Cold War.
For years, scientists and Live TV. This Day In History. History at Home. Telephone In , Bell started working on the harmonic telegraph — a device that allowed multiple messages to be transmitted over a wire at the same time.
While the Bell Company faced over court challenges, in the end, none were successful. Inventions and Accomplishments In addition to the telephone, Bell worked on hundreds of projects throughout his career and received patents in various fields.
Some of his other notable inventions were: The metal detector: Bell initially came up with this device to locate a bullet inside of assassinated President James A.
Photophone: The photophone allowed transmission of speech on a beam of light. Graphophone: This improved version of the phonograph could record and play back sound.
His mother had lost her hearing at age 12, and his father, uncle, and grandfather were authorities on elocution and taught speech therapy for the deaf.
It was understood that Bell would follow in the family footsteps after finishing college. However, after his brothers both died of tuberculosis, he withdrew from college in and immigrated with his family to Canada.
In early , Bell met Boston attorney Gardiner Greene Hubbard, who would become one of his primary financial backers and father-in-law. Despite the nearly year difference in their ages, Alexander and Mabel fell in love and were married on July 11, , a matter of days after Alexander had founded the Bell Telephone Company.
As a wedding present, Bell gave his bride all but ten of his 1, shares in his promising new telephone company. The couple would go on to have four children, daughters Elsie, Marian, and two sons who died in infancy.
One of his students was the young Helen Keller. Both the telegraph and the telephone work by transmitting electrical signals over wires, and Bell's success with the telephone came as a direct result of his attempts to improve the telegraph.
When he began experimenting with electrical signals, the telegraph had been an established means of communication for some 30 years.
Although a highly successful system, the telegraph was basically limited to receiving and sending one message at a time.
Bell's extensive knowledge of the nature of sound enabled him to imagine the possibility of transmitting multiple messages over the same wire at the same time.
Top Questions. Garfield: Assassination. Aerial Experiment Association. Get exclusive access to content from our First Edition with your subscription.
Subscribe today. Alexander Graham Bell's sketch of a telephone. He filed the patent for his telephone at the U. Patent Office on February 14, —just two hours before a rival, Elisha Gray, filed a declaration of intent to file a patent for a similar device.
Thomas A. Watson, assistant to Alexander Graham Bell, discussing the birth of the telephone, including the first words spoken. Alexander Graham Bell, inventor who patented the telephone in , lecturing at Salem, Massachusetts top , while friends in his study at Boston listen to his lecture via telephone, February 12, Alexander Graham Bell, who patented the telephone in , inaugurating the 1,km mile telephone link between New York City and Chicago on October 18, Bell, and Alexander Graham Bell in , this vertically undulating groove, cut into a wax surface, was the most successful method employed in cylinder sound recording.
Learn More in these related Britannica articles:. Elisha Gray and Alexander Graham Bell , each independently, designed devices that could transmit speech electrically.
An electromagnetic coil was located near each…. About the same time, theoretical work on the electromagnetic properties of light and other radiation was beginning….
Alexander Graham Bell patented the first practical telephone in the United States in , and the first public telephone services were operating within a few years.
Alexander Graham Bell 3 Mac - 2 Ogos ialah seorang saintis , pencipta dan pembawa pembaharuan. Sungguhpun paling dikenali kerana mencipta telefon , Bell juga digelar "bapa orang-orang pekak ".
Banyak lagi ciptaan lain dalam hayat Bell termasuk kajian perintisan dalam hidrofoil dan aeronautik.
Semasa kanak-kanak, Alexander Graham Bell menunjukkan sifat ingin tahu semulajadi terhadap dunianya, mengumpul contoh botani dan melakukan ujikaji pada usia muda.
Sahabat baiknya adalah Ben Herdman, jiran yang keluarganya mengendali kilang mengisar tepung, tempat banyak penjelajahan.
Aleck yang muda bertanya apa yang perlu dilakukannya di kilang tersebut. Its dedication was broadcast live nationally by the Canadian Broadcasting Corporation.
His wife, Mabel, daughter Daisy, and son-in-law David Fairchild had gathered around him. His last view was of the moon rising above the mountain he loved".
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Toronto, Ontario: Kids Can Press. Bell's Appreciation of the Telephone Service". Bell Telephone Quarterly. Retrieved September 18, Retrieved January 9, Retrieved January 18, Though he wasn't one of the original 33 founders, Bell had a major influence on the Society.
National Academy of Sciences. Archived from the original PDF on April 3, Retrieved July 12, Roy Alexander Graham Bell.
Retrieved: July 28, Bell Dead. Father of Prof. Bell Developed Sign Language for Mutes". The New York Times. August 8, The Franklin Institute.
January 14, Retrieved February 24, Calgary, Alberta: Altitude Publishing. Edinburgh, UK: Mainstream Publishing.
Toronto, Ontario: Grolier. Dictionary of Canadian Biography. XV — online ed. University of Toronto Press. Retrieved March 6, Boston, Massachusetts: Grosset and Dunlap.
Alexander Graham Bell: Inventor of the Telephone. New York: HarperCollins. Canada's Historic Places. Retrieved August 5, Canadian Register of Historic Places.
Retrieved September 17, Alexander Graham Bell at Baddeck. Baddeck, Nova Scotia: Christopher King. February 10, Recording Technology History.
Audio Engineering Society. Retrieved September 19, The Handbook of Social Justice in Education. London: Routledge. Mabel Bell: Alexander's Silent Partner.
Toronto, Ontario: Methuen. Toronto, Ontario: McClelland and Stewart. Pioneers of Science. July 25, Retrieved October 14, Retrieved on September 20, Archived from the original on December 23, Edward Boston University.
Retrieved March 28, IAP Quotegrab. August 2, Wilbur "confesses " ". The Washington Post. May 22, Telecommunications Canada.
Retrieved January 14, Parks Canada. New York: Popular Mechanics. August March 7, American Heritage. Archived from the original on March 11, Mississauga, Ontario: Copp Clark Pitman.
National Archives UK. Island Echo. Queen Victoria liked the telephone so much she wanted to buy it. The Telegraph. January 13, Library of Congress.
The instruments at present in Osborne are merely those supplied for ordinary commercial purposes, and it will afford me much pleasure to be permitted to offer to the Queen a set of Telephones to be made expressly for her Majesty's use.
Scientists who Made History. New York: Raintree Steck-Vaughn. The Library of Congress. Retrieved March 7, January 26, Retrieved July 21, Australasian Telephone Collecting Society.