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How Does A Cordless Telephone Work? Group Leader: Matthew Roaeh Team Members: Dulce Enciso Veronica Mahoney William Maroues Fanny Vongdara Krystaelynne.

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Presentation on theme: "How Does A Cordless Telephone Work? Group Leader: Matthew Roaeh Team Members: Dulce Enciso Veronica Mahoney William Maroues Fanny Vongdara Krystaelynne."— Presentation transcript:

1 How Does A Cordless Telephone Work? Group Leader: Matthew Roaeh Team Members: Dulce Enciso Veronica Mahoney William Maroues Fanny Vongdara Krystaelynne Sanders Engineering 1011 Dr Helen Zong

2 Agenda User expectations; Components; Speaker Microphone Power: Battery, phone line, etc… Keypad/Dial tones Whos involved in the process? Questions;

3 1. What are users expected functions? Staying in contact with individuals Dependability/quality of incoming/outgoing calls Old vs. New technology PSTN (Public Switched Telephone Network) Wireless, Caller ID, Conference call, speakerphone, etc…

4 2. Components Speaker Microphone Power Keypad

5 The speaker: Diaphragm; Magnet; Copper Coil;

6 The microphone: Diaphragm; Magnet; Copper Coil;

7 Power: 5 – 10 volts Battery-powered Phone line-powered Old vs. new requirements

8 Keypad: Call different phones Tone vs. Pulse 3Khz signal

9 Whos involved in the process? Mechanical Engineering Industrial Engineering Electrical Engineering Chemical Engineering

10 Engineering Disciplines Mechanical Engineering - Industrial Equipment and Machinery Industrial Engineering – Development and the improvement of Materials Electrical Engineering- Industrial Electronics, Power Engineering....Electronics Engineers Chemical Engineering- Plastics Other Types Are: Energy Engineering Technology Systems Materials Engineers

11 Questions?

12 References/Works Cited Speaker Pic: http://itsi.concord.org/artwork/Teemss2_images/Units/u01_i02/speaker- diag/u01_i02_web_speaker-diag.png Microphone Pic: http://www.mediacollege.com/audio/microphones/dynamic.html

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