Cell Phone

My Device

BlackBerry Curve 8300
Emills13

Purpose


It is used to make and receive calls. But now a days it can be used for
external image IMG_2153.JPG

Energy

What energy transformations are seen in its operation?

Controls

  • a compact speaker
  • a microphone
  • a keyboard,
  • a display screen,
  • IC Chips (for storing phone numbers, ringtones, and voicemail's.)
  • powerful circuit board
  • microprocessors that make each phone a miniature computer.

Materials

IC Chip:

800px-Siliconchip_by_shapeshifter.png

http://en.wikipedia.org/wiki/File:Siliconchip_by_shapeshifter.png
  • Copper Oxide
  • Germanium
  • Silicon
    • Silicon Monocrystals
  • Aluminum
  • Polysilicon
  • For LEDs, Lasers, Solar Cells:
    • Gallium Arsenide
  • Composed of many overlapping layers:
    • Defined by Photolithography
    • Also in different colors
  • A Transistor is formed from the main layer (Polysilicon or metal) when it crosses a diffusion layer
  • Rare:
    • On-Chip Resistors made of meandering stripes
    • Inductive Structures which can be built as coils

Science

Design


This is one of the types of designs a cellphone can look like.
external image moz-screenshot.png

Evolution

Cell phones are just one of the many objects everyday people need to have in there pockets. When cell phones first came out they were only able to make and receive calls. a little later in there time life they were made so that they fit in your pocket. Now there are so many different things we can do with a cell phone ( texting, messaging, Internet, mp3. ect) and it is more like a mini computer in your hand. Later in life a cell phone will have many new changes to make more complex and more advanced


Related Devices

Competitors

  • Land phones but they aren't able to work a Certain amount of feet away from there unit base.
  • all cell phones are competitors with each other. there trying to be the most popular, better design ect.
flip phones
  • blackberry flip
  • Razer
Touch screen
  • lg dare
  • lg view
  • blackberry storm
  • IPhone
  • Samsung instinct
Slider phones
  • walkman
  • rumor
  • rant
  • gravity
  • Lg Shine
  • Pantech

Partners


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Phone_Fully_Assembled.JPG
Fully assembled phone
Phone_Disassembled.JPG
Disassembled phone