1 / 10

Inventors and Inventions: The Radio

Inventors and Inventions: The Radio. The Real Madrid : Khizer ( Group Leader ) Megan ( Resource Manager ) Patricia ( Scribe ) Darren Lim ( Quiet Captain ). Who was the inventor / inventors?. They were : Heinrich Hertz , Édouard Branly , Nikola Tesla , Roberto Landell de Moura ,

marvel
Download Presentation

Inventors and Inventions: The Radio

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Inventors and Inventions:The Radio The Real Madrid : Khizer ( Group Leader ) Megan ( Resource Manager ) Patricia ( Scribe ) Darren Lim ( Quiet Captain )

  2. Who was the inventor / inventors? They were : Heinrich Hertz , Édouard Branly , Nikola Tesla , Roberto Landell de Moura , Oliver Joseph Lodge , Jagadish Chandra Bose , Ernest Rutherford , and Ferdinand Braun.

  3. Heinrich Hertz His full name was Heinrich Rudolf Hertz. He was born on February 22 1857 and he died on January 1 1894.

  4. The history of the radio The first radio news program was broadcast August 31, 1920 by station 8MK in Detroit, Michigan, which survives today as all-news format station WWJ under ownership of the CBS network. From: To:

  5. Radio AM radio uses amplitude modulation, while FM uses frequency modulation. FM signal is not subject to static and interference in the same way as AM signals. Due to its need for a wider bandwidth, FM is transmitted in the Very High Frequency (VHF, 30 MHz to 300 MHz) radio spectrum. ( It is like light. )

  6. Radio We like his invention because his invention contributed greatly towards many political, economy, and national events. Not only do we access to entertainment and news, we can also access the in the comfort of our homes.

  7. Values shown by the inventors • Perseverance • Open-mindedness

  8. Radio waves The radio started with the discovery of "radio waves" - electromagnetic waves that have the capacity to transmit music, speech, pictures and other data invisibly through the air.

  9. Here is a video about how the radio works http://www.youtube.com/watch?v=en2AeCKvlN0&feature=related

  10. Thank you for your attention. Done by : Group J, The Real Madrid Members : Khizer ( Group Leader ) Megan ( Resource Manager ) Patricia ( Scribe ) Darren Lim ( Quiet Captain )

More Related