By Richard Hantula
Cellphones have replaced the best way humans dwell, paintings, and speak with one another. because the first hand-held mobilephone used to be created in 1973, mobile phones have in simple terms elevated in attractiveness. "How Do mobile phones Work?" delves into the technological know-how at the back of cellphones and the explanations for his or her acceptance, from their portability to particular gains, with full-color pictures and illustrations.
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Cherry Lake, 2008. Kelby, Scott, and Terry White. The iPhone Book. : Peachpit, 2007. Stefoff, Rebecca. The Telephone. New York: Benchmark, 2005. Woodford, Chris. Cool Stuff Exploded. New York: Dorling Kindersley, 2008. htm Key Internet search terms: cell phone, mobile phone, radio waves, telephone 31 5 Index Analog signals 11, 13, 20 Antennas 15, 19 Appearance of cell phones 4, 7, 21 Base station 14, 15 Bluetooth 16, 17 Candy bar (type of cell phone) 21 Chips (electronic) 19, 20 Clamshell (type of cell phone) 21 Codec system 20 Computer games 5, 24 Computers 16, 17, 24 Cooper, Martin 7 Digital signals 11, 13, 20 Dropped calls 15 Electric signals 4, 10, 20 Electromagnetic radiation 10, 11 Features of cell phones 22, 29 Frequencies 10, 11 Generations of cell phones 13 GPS (Global Positioning System) 22, 23 GSM (Global System for Mobile Communications) 12 Hardware and software 22 Hertz (unit of measure) 10 Infrared light 11, 17 Internet surfing 13 Japan 7, 28, 29 Landline phones 5, 8 Makers of cell phones 7, 9 Mobile phones 6, 7, 15 Music 22, 29 Networks 4, 12, 14 NFC (Near Field Communications) 29 Number of cell phones 8, 9 Parts of cell phones 18, 19, 20 Push-to-talk phones 13 Radios 6, 7 Radio waves 4, 10, 11, 16, 27 Safety rules 26, 27 Satellites 17, 22 SIM card 19 Slide (type of cell phone) 21 Smart phones 22, 23 Sound 11, 18, 20 Texting 12 Throwing competitions 25 Transistors 5, 19 Transmission of calls 14, 15, 16 Two-way radios 6, 7, 13 Vacuum tubes 5 Vibration 21 Walkie-talkie 6, 13 Wi-Fi (wireless connection) 16, 17 About the Author 32 Richard Hantula has written, edited, and translated books and articles on science and technology for more than three decades.
Cherry Lake, 2008. Kelby, Scott, and Terry White. The iPhone Book. : Peachpit, 2007. Stefoff, Rebecca. The Telephone. New York: Benchmark, 2005. Woodford, Chris. Cool Stuff Exploded. New York: Dorling Kindersley, 2008. htm Key Internet search terms: cell phone, mobile phone, radio waves, telephone 31 5 Index Analog signals 11, 13, 20 Antennas 15, 19 Appearance of cell phones 4, 7, 21 Base station 14, 15 Bluetooth 16, 17 Candy bar (type of cell phone) 21 Chips (electronic) 19, 20 Clamshell (type of cell phone) 21 Codec system 20 Computer games 5, 24 Computers 16, 17, 24 Cooper, Martin 7 Digital signals 11, 13, 20 Dropped calls 15 Electric signals 4, 10, 20 Electromagnetic radiation 10, 11 Features of cell phones 22, 29 Frequencies 10, 11 Generations of cell phones 13 GPS (Global Positioning System) 22, 23 GSM (Global System for Mobile Communications) 12 Hardware and software 22 Hertz (unit of measure) 10 Infrared light 11, 17 Internet surfing 13 Japan 7, 28, 29 Landline phones 5, 8 Makers of cell phones 7, 9 Mobile phones 6, 7, 15 Music 22, 29 Networks 4, 12, 14 NFC (Near Field Communications) 29 Number of cell phones 8, 9 Parts of cell phones 18, 19, 20 Push-to-talk phones 13 Radios 6, 7 Radio waves 4, 10, 11, 16, 27 Safety rules 26, 27 Satellites 17, 22 SIM card 19 Slide (type of cell phone) 21 Smart phones 22, 23 Sound 11, 18, 20 Texting 12 Throwing competitions 25 Transistors 5, 19 Transmission of calls 14, 15, 16 Two-way radios 6, 7, 13 Vacuum tubes 5 Vibration 21 Walkie-talkie 6, 13 Wi-Fi (wireless connection) 16, 17 About the Author 32 Richard Hantula has written, edited, and translated books and articles on science and technology for more than three decades.
The iPhone Book. : Peachpit, 2007. Stefoff, Rebecca. The Telephone. New York: Benchmark, 2005. Woodford, Chris. Cool Stuff Exploded. New York: Dorling Kindersley, 2008. htm Key Internet search terms: cell phone, mobile phone, radio waves, telephone 31 5 Index Analog signals 11, 13, 20 Antennas 15, 19 Appearance of cell phones 4, 7, 21 Base station 14, 15 Bluetooth 16, 17 Candy bar (type of cell phone) 21 Chips (electronic) 19, 20 Clamshell (type of cell phone) 21 Codec system 20 Computer games 5, 24 Computers 16, 17, 24 Cooper, Martin 7 Digital signals 11, 13, 20 Dropped calls 15 Electric signals 4, 10, 20 Electromagnetic radiation 10, 11 Features of cell phones 22, 29 Frequencies 10, 11 Generations of cell phones 13 GPS (Global Positioning System) 22, 23 GSM (Global System for Mobile Communications) 12 Hardware and software 22 Hertz (unit of measure) 10 Infrared light 11, 17 Internet surfing 13 Japan 7, 28, 29 Landline phones 5, 8 Makers of cell phones 7, 9 Mobile phones 6, 7, 15 Music 22, 29 Networks 4, 12, 14 NFC (Near Field Communications) 29 Number of cell phones 8, 9 Parts of cell phones 18, 19, 20 Push-to-talk phones 13 Radios 6, 7 Radio waves 4, 10, 11, 16, 27 Safety rules 26, 27 Satellites 17, 22 SIM card 19 Slide (type of cell phone) 21 Smart phones 22, 23 Sound 11, 18, 20 Texting 12 Throwing competitions 25 Transistors 5, 19 Transmission of calls 14, 15, 16 Two-way radios 6, 7, 13 Vacuum tubes 5 Vibration 21 Walkie-talkie 6, 13 Wi-Fi (wireless connection) 16, 17 About the Author 32 Richard Hantula has written, edited, and translated books and articles on science and technology for more than three decades.