- published: 05 Jun 2015
- views: 11199
The photophone (later given the alternate name radiophone) is a telecommunications device which allowed for the transmission of speech on a beam of light. It was invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter on February 19, 1880, at Bell's laboratory at 1325 L Street in Washington, D.C. Both were later to become full associates in the Volta Laboratory Association, created and financed by Bell.
On June 3, 1880, Bell's assistant transmitted a wireless voice telephone message from the roof of the Franklin School to the window of Bell's laboratory, some 213 meters (about 700 ft.) away.
Bell believed the photophone was his most important invention. Of the 18 patents granted in Bell's name alone, and the 12 he shared with his collaborators, four were for the photophone, which Bell referred to as his "greatest achievement", telling a reporter shortly before his death that the photophone was "the greatest invention [I have] ever made, greater than the telephone".
How to make a photophone to transmit sound using sunlight. This invention by Alexander Graham Bell works by reflecting sunlight off a mirror, which is attached to a speaker, to a solar cell and from there to an amplifier. Support RimstarOrg on Patreon https://www.patreon.com/user?u=680159 Subscribe for new videos every week http://www.youtube.com/user/rimstarorg?sub_confirmation=1 Go to the main channel page here https://youtube.com/rimstarorg For a diagram of how it works, see my webpage here: http://rimstar.org/science_electronics_projects/photophone_transmitting_sound_with_sunlight.htm See also: How to Make Crystal Radio Amplifier for Speaker https://www.youtube.com/watch?v=JtPwxbOgBHw&list;=PLFsZmHTZL-zlSltC6ELZW9PK4ks7wgPRz Pyramid Hologram - How to Make/How it Works with Prince...
Alexander Graham Bell invented this device in 1880! It transmits sound via a beam of reflected light! More details at www.hackaweek.com/hacks
Alexander Graham Bell did not consider the telephone to be his greatest invention. This video takes a look at this remarkable man and what he considered to be his greatest invention: the photophone.
Dans cette vidéo, je vous présente le Zenfone Selfie de Asus qui n'est pas loin d'être le meilleur photophone du marché ! Abonne toi : http://bit.ly/1LpB9iC (Merciii) ▬▬▬▬▬▬▬▬▬▬▬ INFOS ▬▬▬▬▬▬▬▬▬▬▬ Où l'acheter : https://www.asus.com/fr/Phone/ZenFone_Selfie_ZD551KL/ Boutique Partenaire : https://www.asus.com/fr/ ▬▬▬▬▬▬▬▬▬▬▬ A VOIR ▬▬▬▬▬▬▬▬▬▬▬ Mon matériel : http://www.itjailbreak.com/materiel.html Mes fonds d'écran : http://www.itjailbreak.com/mes-fonds-ecran.html ▬▬▬▬▬▬▬▬▬▬▬ MUSICS ▬▬▬▬▬▬▬▬▬▬▬ Panthuur - A Story Of Adventure | Joacim Karud - Feel The Heat | http://youtube.com/officialitro | Alan Walker - Fade ▬▬▬▬▬▬▬▬▬▬▬ FOLLOW ME ▬▬▬▬▬▬▬▬▬▬▬ ► Facebook | http://www.facebook.com/Itjailbreakpage/ ► Twitter | http://twitter.com/itjailbreak/ ► Instagram | http://instagram.com/itjailb...
Bell's photophone Less than 10 years had passed since the appearance of a wired phone, when its author, Alexander Bell, developed the first device designed for wireless transmission of non-coded speech. This device was named Photophone. Structurally the Photophone consisted of two main components: a transmitter, which arranged modulating of the signal, and a receiver, in which the light signal, modulated in the transmitter, turned into modulated light vibrations. Structurally this was arranged by a flexible film, metalized on one side and polished. The light from a powerful source, situated at a specific angle to the transmitter, got on the microphone mirror and was modulated by the sound from the microphone. Modulated signal in the form of light was sent to a selenium ph...
While cleaning Dr.Jhatka’s lab, Motu finds a phone, which when used for clicking pictures, captures the photo’s elements within itself. John gets his hands onto it and clicks Patlu, making him disappear. Watch now! CLICK - SUBSCRIBE, SHARE, LIKE. For more updates : Follow our AWESOME BLOG: http://bit.ly/wowkidzblog Like us on Facebook: https://www.facebook.com/WowKidzTV Show some love on Instagram: Cosmos.mayads Tweet us on: @WowKidzTv If you read this then comment "I am a WoW Kid" :)
Lire sur 01net : http://tinyurl.com/pkbhd22 Photokina 2014 : Panasonic Lumix CM1, enfin un smart-photophone séduisant !
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Amazon.co.uk: http://npad.us/neck/2/uk/B001LK0W2O/review Designed for those with mild memory loss and/or hearing loss, the Serene Hd-40p High Definition Amplified Photo Phone features an speakerphone, nine large, one-touch buttons, and basic volume amplification up to 26db. The also incorporates Digital Sound Processing technology that eliminates distortion, echo effects and unwanted static, resulting in crystal clear conversations. It even plays music when you place a caller on hold. The includes a 90db super loud ringer with adjustable ringing and tone controls. Two flashers (front and side) provide visual alerts for people with severe loss. The handset is aid compatible to prevent interference and produce high-quality speech for any user. The is powered by your telephone line, so no Ac ...
Amazon.co.uk: http://npad.us/neck/2/uk/B006679HPA/review For people who have difficulty remembering phone numbers or limited dexterity. Pictures of friends and family can be inserted into 10 large memory buttons, simply press the photo to call the person. Features amplified receiving volume control of up to 12db and hands free speakerphone. The cordless handset easy to see big backlit with screen, clock and 5 tone settings. Mains adaptor included.
Whether you are taking vacation photos, walking around playing Pokémon Go, or listening to your favorite podcast, there is nothing worse than having your phone battery die unexpectedly. Portable phone chargers are lifesavers when your battery gets low, but they can be awfully boring looking. Now you can use HP Social Media Snapshots paper to personalize your phone charger with your own photos! It’s quick and easy to do. Video and craft provided by Jessica Hill of MadInCrafts.com. Visit www.MyPrintly.com to view more fun print craft ideas to help Create Memories You Keep! #CMYK
Here is we uploaded Latest Episode of Motu Patlu in Hindi l this Motu Patlu Cartoon Episode is Ka about Motu Patlu Photo Phone and this is latest episode in hindi or urdu.
【創意 DIY】照片手機套 Photo Phone Case ♥免費訂閱創意世界頻道: https://www.youtube.com/user/CreativeWorldUSA ♥ Facebook 粉絲專頁: https://www.facebook.com/CreativeWorldUSA ♥ Instagram 粉絲專頁: http://instagram.com/creativeworldusa ♥ Twitter 粉絲專頁: https://twitter.com/CreativeWorldUS 歡迎看看我的網站有更多的教學影片!www.CreativeWorldUSA.com 記得訂閱創意世界頻道. 看完影片請您別忘了按個讚! 感謝您的收看! 下次再見! Music courtesy of Soundclound.com Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/b...
Hey guys, Today I'm going to show you how to make photo phone case with hot glue gun. You can personalized and capture all memorable moments by turning any pictures you want into phone case. Make an unique phone case that can stay with you forever. The best part is cheap and easy to make. Love you guys so much! Hope you enjoy it! Check out my other channel for more videos from me https://www.youtube.com/user/ElegantFashion360 Stay connects with me: ♥Subscribe YouTube Channel: https://www.youtube.com/c/CreativeWorldHD ♥ Sign up for Newsletter: http://CreativeWorldHD.com ♥ Like me on Facebook: https://www.facebook.com/CreativeWorldHD ♥ Share your creations on Instagram: http://instagram.com/CreativeWorldHD Check out my other 3D Printing Pen Tutorials/Creations: All my tutorial can ...
My first video! I hope this helped any questions ask in the comment section below ty!😁
Découvrez notre test vidéo du Nokia Lumia 1020, le meilleur photophone du marché exploitant un capteur photo PureView de 41 millions de pixels. Pour accéder à notre test complet, rendez-vous ici: http://windowsgeneration.fr/windows-phone/test-du-nokia-lumia-1020-le-meilleur-smartphone-pour-la-photo-est-un-windows-phone/ À bientôt sur WindowsGeneration.fr
Dans cette vidéo je vous montre un nouveau smartphone Asus milieu de gamme ! Mais celui ci n'a rien à voir avec le précédent, le Zenfone 2, en dehors de son apparence ! L'accent est mis sur la photographie, sans surprise. Et pour le prix, c'est difficilement débattable que ce téléphone a de gros arguments sur ce point ! ---- Malheureusement je reçois beaucoup trop de commentaires et messages privés Youtube pour y répondre. (ni même les lire) Donc je compte sur votre compréhension si je ne peux pas vous répondre. Mais il y a, bien sûr, d'autres méthodes pour me contacter ! Pour me poser directement une question, c'est ici: - Ask: http://ask.fm/ElectronikHeart J'ai aussi un Twitter et une page Facebook: - Twitter: https://twitter.com/ElectronikHeart - Facebook: https://www.facebook.com/E...
Le Lumia 1020 est mis en abîme et plombé par son appareil photo, puisque autant la caméra est réellement étonnante que Nokia l'a mentionné, autant le capteur pourra être gênant pour tous ceux qui recherchent de la finesse. Si vous souhaitez prendre des clichés d'une qualité bien supérieure à la moyenne, je vous recommande de jeter un oeil à ce dernier. Il y a quelques inconvénients. L'autonomie de la batterie n'est pas très grande, et vous allez devoir faire face à un problème récurrent sur les Windows Phone, c'est le manque d'applications. Et puis, cette bosse sur la coque arrière ne va pas disparaître. Ce ne sera jamais un téléphone extrêmement confortable à prendre en main. Oh, et le prix est élevé. Vous allez pouvoir le trouver aux alentours de 210€ pour un abonnement de deux ans, s...
Le succès de n'importe quel appareil dépend beaucoup plus de ses qualités intrinsèques, et il reste à voir si le Xperia Z1 fera de Sony le roi du monde des smartphones Android. Cependant, bien qu'il a quelques imperfections que entachent certains aspects du téléphone, le Z1 est un pas de géant dans cette direction. Pour en savoir plus : http://www.blog-nouvelles-technologies.fr/archives/39438/test-du-sony-xperia-z1-le-photophone-vu-par-sony/
More on http://www.blablahightech.fr/
L'Asus Zenfone Zoom, c'est LE photophone du constructeur taïwanais. Un mobile équipé d"un capteur phto avec zoom optique x3 et une batterie d'autres fonctionnalités... mais est-ce bien utile ? Ce Zenfone Zoom est-il un bon smartphone ? Son prix est-il justifié ? La réponse à l'occasion de ce test. ► Pour trouver ce téléphone au meilleur prix : http://www.top-for-phone.fr/comparateur-smartphone-pas-cher -------------------------------------------------- ► Youtube (s'abonner) | http://www.youtube.com/subscription_center?add_user=topforphone ► Facebook | http://www.facebook.com/topforphone ► Twitter | http://www.twitter.com/topforphone ► Site web | http://www.top-for-phone.fr ► Forum | http://www.top-for-phone.fr/forum/
The difference between science and magic may seem obvious, but in this video Henry Feinberg easily makes the two come together in a fun and, at times, dazzling presentation of using light waves to carry sound. In this entertaining show Feinberg presents a working version of Alexander Graham Bell's Photophone, as well as experiments in other principles of light. Before his 30-year tenure at Bell Labs, Feinberg worked with Don Herbert, televisio's "Mr. Wizard", developing experiments that were both fun and educational. Using everyday household items, that show's experiments seemed like magic tricks, capturing their youthful audienceís imagination and helping instill an interest in science. Feinberg continued that mixing of science and entertainment while working for Bell. He helped develop...
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Wiko commercialise également et à son tour un "photophone" spécial "selfies"... et c'est en toute logique que nous allons donc tester ce mobile nommé le Wiko Selfy. -------------------------------------------------- Retrouvez les offres de notre Opérateur Sponsor sur : http://www.top-for-phone.fr/operateur-mobile -------------------------------------------------- ► Youtube (s'abonner) | http://www.youtube.com/subscription_center?add_user=topforphone ► Facebook | http://www.facebook.com/topforphone ► Twitter | http://www.twitter.com/topforphone ► Site web | http://www.top-for-phone.fr ► Forum | http://www.top-for-phone.fr/forum/
Bonjour tout le monde, voici ma petite présentation du Nokia Lumia 1020, le flagship de la firme finlandaise. Superbe photophone avec un Windows Phone 8 de plus en plus mature. N'hésitez pas à commenter si vous avez des questions et cliquez sur "j'aime" si vous aimez. Abonnez-vous à ma chaîne pour être informé de mes prochaines réalisations. Merci merci :) Restez connectés
Shawty, what yo name is?
Uh uhhh
Them hustlas keep on talkin'
Uh uhhh
The like the way I'm walking
Uh uhhh
You saying that you want B?
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On your video phone
Make a cameo
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I can handle you
Watch me on your video phone
On your video, video
If you want me you can watch me on your video phone
I love how you approach me
Fresh white, with your pants hangin' grown-man low
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One blade, its tight
And I smell your cologne in the air
Baby, you doin' something right
You just cancelled every other man here
You say you like my bag and the color of my nails
You can see that I got it goin' on
I wanna make sure you remember me
So I'ma leave my number on your video phone
Uh uhhh
I got no time for frontin'
Uh uhhh
I know just what I'm wantin
Uh uhhh
If its gonna be you and me?
When I call they better see me on your video screen
Uh uhhh
Them hustlas keep on talkin'
Uh uhhh
The like the way I'm walking
Uh uhhh
You saying that you want B?
So press record and let you film me
On your video phone
Make a cameo
Tape me on your video phone
I can handle you
Watch me on your video phone
On your video, video
If you want me you can watch me on your video phone
You a cutie
You should let me put you in my movies
Do shoot into a star of your own hit song
We can shoot the video right here on my cellphone
I never seen a smile so pretty
I need to know I'll always have you wit' me
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You can pick your own song
And you could be the only one....
I know you like that
Turn you into a star? I got it like that
Like that, baby don't fight it
Cause when I miss your call I hit you right back
On my video phone
Uh uhhh
Them hustlas keep on talkin'
Uh uhhh
The like the way I'm walking
Uh uhhh
You saying that you want B?
So press record and let you film me
On your video phone
Make a cameo
Tape me on your video phone
I can handle you
Watch me on your video phone
On your video, video
If you want me you can watch me on your video phone
You know them G's they be hollerin'
'Specially them hot ones
Brooklyn, Atlanta, Houston to New Orleans
When they see me they be like, "Yo, B, let me call you!"
You breakin' my focus, boy
You cute and you ballin'
You like it when I shake it?
Shawty on a mission, what yo name is?
What? You want me naked?
If you liking this position you can tape it
On your video phone
Uh uhhh
Hustla keep on talkin'
Uh uhhh
You like the way its popping?
Uh uhhh
You saying that you want B?
Press record, baby film me
On your video phone
Make a cameo
Tape me on your video phone
I can handle you
Watch me on your video phone
On your video, video
If you want me you can watch me on your video phone