Graham Bell Telefon


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Graham Bell Telefon

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. Vor Jahren gelang Graham Bell eine bahnbrechende Erfindung: Er entdeckte, wie man Schallwellen in elektrische Schwingungen.

Alexander Graham Bell

In der Folge entstand die Bell Telephone Company, die sich später zum weltweit​. Mitte des Jahrhunderts wird das Telefon gleich vierfach erfunden. Am Ende aber kassiert Alexander Graham Bell den Ruhm. meldet Alexander.

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Hauptseite Themenportale Zufälliger Artikel. 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 ". Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in and founding the Bell Telephone Company in Bell’s success came. Alexander Graham Bell and the History of the Telephone Alexander Graham Bell was born on March 3, , in Edinburgh, Scotland. He had two brothers, but both passed away from tuberculosis by the time Bell was 20 years old. When he was born, his given name was just Alexander Bell. Alexander Graham Bell (March 3, –August 2, ) was a Scottish-born American inventor, scientist, and engineer best known for inventing the first practical telephone in , founding the Bell Telephone Company in , and a refinement of Thomas Edison’s phonograph in Alexander Graham Bell Bell c. Born March 3, Edinburgh, Scotland Died August 2, () (aged 75) Beinn Bhreagh, Nova Scotia, Canada Citizenship United Kingdom (–) British-subject in Canada (–) United States (–) Alma mater University of Edinburgh University College London Occupation Inventor Scientist Engineer Professor a Teacher of the deaf. New York: Caledonian. Bell died of complications arising from diabetes on August 2,at his private estate in Cape Breton, Nova Scotia, at age In MarchBell and Pollok visited the scientist Joseph Henrywho was then director of the Smithsonian Institutionand asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Edward would Wann Geben Spielautomaten Am Besten recover. Bell Telephone Quarterly. Honors and tributes flowed to Bell in increasing numbers as his invention became ubiquitous and his personal fame grew. Namespaces Article Talk. Bell, and Alexander Graham Bell inthis vertically undulating groove, cut into a wax surface, was the most successful method employed in cylinder sound recording. Dalam tahun an, Elisha Gray dan Alexander Graham Bell direka secara bebas peranti yang boleh menghantar ucapan elektrik. Pembahagian ruang Pembahagian frekuensi Pembahagian masa Pembahagian polarisasi Orbital momentum sudut Pembahagian kod. Some of his other Belgien Mannschaft 2021 inventions were: The metal detector: Bell initially Btc Forum up with this device to locate a bullet inside of assassinated President James A. Later in his life, Bell focused on aviation and hydrofoil inventions. Retrieved: February 14, Aufgrund der Unzuverlässigkeit seines Telefons wurde die Erfindung insgesamt unterschätzt und der Apparat mehr oder weniger als Spielzeug betrachtet, das bestenfalls zur Übertragung von Musik geeignet sei. Bells Telefon hatte zwei Vorgängerentwicklungen zur wesentlichen Grundlage, zum einen die von Antonio Meucci, dessen Materialien und Unterlagen Bell nutzen konnte, zum anderen ein frühes Modell eines Fernsprechers von Philipp Reisdas Bell in Edinburgh kennengelernt hatte. Februar ein provisorisches Patent in der Graham Bell Telefon hinterlegt, parallel dazu aber weitergeforscht. März führte Alexander Graham Bell mit seinem Mitarbeiter Watson, der sich im Nebenzimmer befand, Kronen Zeitung Online erstes Telefongespräch mit diesem damals noch Spiel Spiele Net merkwürdig aussehenden Apparat.
Graham Bell Telefon
Graham Bell Telefon
Graham Bell Telefon Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone () and refinement of the phonograph (). He also worked on use of light to transmit sound, development of . 7/3/ · The telegraf dan telefon kedua-dua sistem elektrik berasaskan dawai, dan kejayaan Alexander Graham Bell dengan telefon datang sebagai hasil langsung daripada usahanya untuk meningkatkan telegraf. Apabila dia mula bereksperimen dengan isyarat elektrik, telegraf telah menjadi cara ditubuhkan komunikasi untuk kira-kira 30 tahun. Walaupun sistem yang sangat berjaya, telegraf . 11/29/ · Alexander Graham Bell was born in Edinburgh, Scotland, on March 3, Bell’s father was a professor of speech elocution at the University of .

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. Dia diberitahu bahawa gandum perlu dikupas melalui proses yang memenatkan dan pada usia 12, Bell membina peranti buatan sendiri yang menggabungkan dayung berputar dengan set berus paku, mencipta mesin pengupas yang digunakan secara berterusan selama beberapa tahun.

Sejak awal lagi, Bell menunjukkan sifat sensitif dan bakat bagi seni, syair dan muzik yang diwarisi daripada ibunya. Wikimedia Commons memiliki media mengenai Alexander Graham Bell.

Artikel bertopik biografi Amerika Serikat ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya. Ia adalah satu penemuan sepenuhnya sengaja.

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.

While in the U. In , he opened the School of Vocal Physiology and Mechanics of Speech in Boston, where deaf people were taught to speak.

While teaching, Bell met Mabel Hubbard, a deaf student. The couple married on July 11, They went on to have four children, including two sons who died as infants.

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 trying to perfect this technology, which was backed by a group of investors, Bell became preoccupied with finding a way to transmit human voice over wires.

By , Bell, with the help of his partner Thomas Watson, had come up with a simple receiver that could turn electricity into sound. On March 7, , Bell was granted his telephone patent.

Watson, come here. I want you. In , the U. These included the prestigious 'Volta Laboratory Association' , also known as the Volta Laboratory and as the 'Alexander Graham Bell Laboratory', and which eventually led to the Volta Bureau as a center for studies on deafness which is still in operation in Georgetown, Washington, D.

The Volta Laboratory became an experimental facility devoted to scientific discovery, and the very next year it improved Edison's phonograph by substituting wax for tinfoil as the recording medium and incising the recording rather than indenting it, key upgrades that Edison himself later adopted.

In partnership with Gardiner Greene Hubbard , Bell helped establish the publication Science during the early s.

In , Bell was elected as the second president of the National Geographic Society , serving until , and was primarily responsible for the extensive use of illustrations, including photography, in the magazine.

He was one of the founders of the American Institute of Electrical Engineers in and served as its president from to The First Day of Issue ceremony was held on October 28 in Boston, Massachusetts, the city where Bell spent considerable time on research and working with the deaf.

The Bell stamp became very popular and sold out in little time. The stamp became, and remains to this day, the most valuable one of the series.

The illustrations on the reverse of the note include Bell's face in profile, his signature, and objects from Bell's life and career: users of the telephone over the ages; an audio wave signal ; a diagram of a telephone receiver; geometric shapes from engineering structures; representations of sign language and the phonetic alphabet; the geese which helped him to understand flight; and the sheep which he studied to understand genetics.

That first flight was made by an airplane designed under Dr. Bell's tutelage, named the Silver Dart. In , Bell was also named as one of the 10 greatest Scottish scientists in history after having been listed in the National Library of Scotland 's 'Scottish Science Hall of Fame'.

Alexander Graham Bell, who could not complete the university program of his youth, received at least a dozen honorary degrees from academic institutions, including eight honorary LL.

Bell died of complications arising from diabetes on August 2, , at his private estate in Cape Breton, Nova Scotia, at age Bell, saying: [].

My colleagues in the Government join with me in expressing to you our sense of the world's loss in the death of your distinguished husband.

It will ever be a source of pride to our country that the great invention, with which his name is immortally associated, is a part of its history.

On the behalf of the citizens of Canada, may I extend to you an expression of our combined gratitude and sympathy.

Bell's coffin was constructed of Beinn Bhreagh pine by his laboratory staff, lined with the same red silk fabric used in his tetrahedral kite experiments.

To help celebrate his life, his wife asked guests not to wear black the traditional funeral color while attending his service, during which soloist Jean MacDonald sang a verse of Robert Louis Stevenson 's "Requiem": [].

Upon the conclusion of Bell's funeral, "every phone on the continent of North America was silenced in honor of the man who had given to mankind the means for direct communication at a distance".

Alexander Graham Bell was buried atop Beinn Bhreagh mountain, on his estate where he had resided increasingly for the last 35 years of his life, overlooking Bras d'Or Lake.

From Wikipedia, the free encyclopedia. Scientist and inventor known for his work on the telephone. Edinburgh , Scotland.

Beinn Bhreagh , Nova Scotia , Canada. University of Edinburgh University College London. Mabel Hubbard. Gardiner G. Hubbard father-in-law David C.

Bell uncle Gilbert H. Re-identified in , Bell made this wax-disc recording of his voice in Main article: Invention of the telephone.

Main article: Elisha Gray and Alexander Bell telephone controversy. Further information: The Telephone Cases.

Further information: Beinn Bhreagh, Nova Scotia. Main article: Photophone. Play media. Main article: HD See also: Bell Telephone Memorial.

This list is incomplete ; you can help by adding missing items with reliable sources. Bell, Alexander Graham October Bibcode : AmJS Also published as: Bell, Alexander Graham September 23, Bibcode : Natur..

Bell, Alexander Graham Washington, D. Archived from the original PDF on October 29, Retrieved January 2, Bell, Alexander Graham February The National Geographic Magazine.

National Geographic Society. To the end of his days, when discussing himself, Bell would always add with pride "I am a teacher of the deaf".

When he moved to Canada in , Canadian and British citizenship were functionally identical, with Canadian citizenship only becoming a formal classification in He applied for American citizenship after , gained it in , and referred to himself as an American citizen from that point on.

Quote from Bell speaking to his wife: "you are a citizen because you can't help it — you were born one, but I chose to be one.

On October 24, , in Brantford, Ontario, the Governor General spoke at the unveiling of the Bell Telephone Memorial to an audience numbering in the thousands, saying: "Dr.

Bell is to be congratulated upon being able to receive the recognition of his fellow citizens and fellow countrymen". Bell's dislike of the telephone.

Of course, he never had one in his study. That was where he went when he wanted to be alone with his thoughts and his work.

The telephone, of course, means intrusion by the outside world. And the little difficulties and delays often attending the establishment of conversation But all really important business over the telephone he transacted himself.

There are few private houses more completely equipped with telephones than ours Bell was more particular about than our telephone service We never could have come here [to Beinn Bhreagh] in the first place or continued here, but for the telephone which kept us in close touch with doctors and neighbors and the regular telegraph office Bell did like to say in fun, "Why did I ever invent the Telephone," but no one had a higher appreciation of its indispensableness or used it more freely when need was—either personally or by deputy —and he was really tremendously proud of it and all it was accomplishing.

It received its historical designation from the Government of Canada on June 1, Mabel's exact age when she became deaf would later play a part in the debate on the effectiveness of manual versus oral education for deaf children , as children who are older at the onset of deafness retain greater vocalization skills and are thus more successful in oral education programs.

Some of the debate centred on whether Mabel had to relearn oral speech from scratch, or whether she never lost it.

It was invented in Brantford at Tutela Heights in the summer of Others transmitted a sound or a click or a buzz but our boys [Bell and Watson] were the first to transmit speech one could understand.

Bell was so ecstatic that he wanted to jointly name his new invention and his new daughter Photophone Greek: " light—sound " , [] [] Bell wrote: "Only think!

Mabel's baby screamed inarticulately but mine spoke with distinct enunciation from the first. Bell quickly disassembled it and effected a repair, to the owner's amazement.

When asked how he was able to do so Bell only needed to introduce himself. Bell also chose maroon-colored silk as it would show up clearly against the light-colored sky in his photographic studies.

Views of an Expert. Hammondsport , New York, March 12, Boulton and was also created independently by Robert Esnault-Pelterie and several others.

Attending the formal ceremony were Bell's daughter, Mrs. To each side of the portico facing the monument are the engraved inscriptions "In Grateful Recognition of the Inventor of the Telephone".

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". Halifax, Nova Scotia: Formac Publishing. IEEE Spectrum. April 30, Retrieved May 10, Bell Homestead National Historic Site.

Retrieved September 27, Douglas Archived from the original PDF on April 19, Retrieved May 4, There he also devoted himself to improving the phonograph.

By Bell and his colleagues his cousin Chichester A. Bell and the inventor Charles Sumner Tainter had a design fit for commercial use that featured a removable cardboard cylinder coated with mineral wax.

They called their device the Graphophone and applied for patents, which were granted in The group formed the Volta Graphophone Company to produce their invention.

Then in they sold their patents to the American Graphophone Company, which later evolved into the Columbia Phonograph Company.

Bell used his proceeds from the sale to endow the Volta Laboratory. Bell undertook two other noteworthy research projects at the Volta Laboratory.

In he began research on using light as a means to transmit sound. In British scientist Willoughby Smith discovered that the element selenium , a semiconductor , varied its electrical resistance with the intensity of incident light.

Bell sought to use this property to develop the photophone, an invention he regarded as at least equal to his telephone. He was able to demonstrate that the photophone was technologically feasible , but it did not develop into a commercially viable product.

Nevertheless, it contributed to research into the photovoltaic effect that had practical applications later in the 20th century. The origin of this effort was the shooting of U.

President James A. Garfield in July Bell decided that a promising approach was to use an induction balance, a by-product of his research on canceling out electrical interference on telephone wires.

Bell determined that a properly configured induction balance would emit a tone when a metal object was brought into proximity with it.

Sejarah Pagers : Sebelum ada telefon bimbit, terdapat alat kelui. Bell Lotto Beim Original in an affidavit that he ever gave Wilber any money. Watson, come here — I want to see you" and Watson soon appeared at his side.
Graham Bell Telefon

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Das auf der Membran befestigte Platinplättchen und ein Platinstift simulierten die Gehörknöchelchen. meldet Alexander. In der Folge entstand die Bell Telephone Company, die sich später zum weltweit​. 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 Mitte des Jahrhunderts wird das Telefon gleich vierfach erfunden. Am Ende aber kassiert Alexander Graham Bell den Ruhm.
Graham Bell Telefon

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