logging in or signing up Multimedia Communication davisw Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 1870 Category: Science & Tech.. License: All Rights Reserved Like it (1) Dislike it (0) Added: March 06, 2009 This Presentation is Public Favorites: 0 Presentation Description Different methods of communicating using technology. Comments Posting comment... By: mitalinarwani (39 month(s) ago) i like ur presentation this is very useful for my seminar can u plz send me this at "email@example.com" Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Slide 1: Multimedia Communication Slide 2: Communication at a distance Examples: Cable, radio, telegraph, telephone, and T.V. Telecommunication Slide 3: The process of producing an image using film or digital technology Photography L.A.S.E.R(Light Amplification by the Stimulated Emission of Radiation) : L.A.S.E.R(Light Amplification by the Stimulated Emission of Radiation) A device that produces a very narrow beam of very bright light Slide 5: Radio waves are produced by feeding an electric signal to the mast or antenna of a transmitters frequency and wavelength Radio Waves Slide 6: Waves of pressure that people (or dogs) hear as sound, that travel through air or other materials. Sound Waves Slide 7: Electromagnetic Waves What are electromagnetic waves ? Light, microwaves, x-rays, and TV and radio transmissions are all kinds of electromagnetic waves. They are all the same kind of wavy disturbance that repeats itself over a distance called the wavelength. Slide 8: Used to orbit the earth to communicate with us high above the atmosphere. Satellites can transmit voices, images, and information. Satellites Slide 9: Weather Spy Satellites Communications Astronomy Space Probes - Voyager Examples of Satellites Slide 10: Used to measure an exact quantity of current Measured in waves Use varying voltage (electric signals) converted to magnetic particles. Analog Communications Slide 11: Examples of Analog Communication Record Player AM/FM Radio Telephone VCR (Beta/VHS) Slide 12: Count instead of a measure of a quantity Includes all types of electronic equipment and applications that use information in the form of numeric code. The information is represented by two numbers one’s and zero’s. Digital Communication Binary Digits Slide 13: Cameras MP3 Player CD Player DVD Player Computer Disk Drive Video Games Digital Devices Slide 14: History of Telecommunications Slide 15: 1837 Samuel Morse invented the Telegraph. The original Morse telegraph printed code on tape. However, in the United States the operation developed into sending by key and receiving by ear. Telegraph Slide 16: 1876 Alexander Graham Bell invented the telephone Telephone Slide 17: Marconi Guglielmo Sent and received his first radio signal in Italy in 1895. Radio Slide 18: Inventor Philo T. Farnsworth with his invention, the first electronic television, in Sept. 10, 1928 in San Francisco Television Slide 19: The End ! You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.