| Description |
1 online resource |
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text file rda |
| Contents |
Half Title -- Title -- Introduction -- 1. The Development of the Basic Landlline Telephone -- Working Components -- Power Source -- Switch Hook -- Dialer -- Dialer -- Transmitter -- Receiver -- Anti-Sidetone Circuit -- Early Sound Transmitters -- Johann Reis's "Philosophical Toys" -- Gray and Bellis Race for a Patent -- The Search for a Successful Transmitter -- Alexander Graham Bell -- Thomas Augustus Watson -- From Hand-Cranked to Cordless: 100 Years of AT&T Telephones -- Western Electric -- 2. The Development of the Public Switched Telephone Network -- Switching -- Manual Switching |
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Electromechanical SwitchingElectronic Switching -- Digital Switching -- The Switching Network -- Signaling -- Rotary Dialing -- Push-Button Dialing -- Interoffice Signaling -- Transmission -- From Single-Wire to Two-Wire Circuits -- Problems of Interference and Attenuation -- Analog and Digital Transmission -- DSL -- Coaxial Cable -- Microwave Link -- Optical-Fibre Cable -- Terrestrial Radio -- Undersea Cable -- Satellite -- 3. The Principles of Telecommunications Systems -- Analog-To-Digital Conversion -- Sampling -- Quantization -- Harry Nyquist -- Bit Mapping -- Source Encoding -- Huffman Codes -- The Lempel-Ziv Algorithm |
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Run-Length CodesChannel Encoding -- Repetition Codes -- The Hamming Code -- Convolutional Encoding -- Modulation -- Amplitude Modulation and Frequency Modulatlion -- Digital Modulation -- Multiplexing -- Frequency-Division Multiplexing -- Time-Division Multiplexing -- Multiple Access -- Frequency-Division Multiple Access -- Time-Division Multiple Access -- Code-Division Multiple Access -- 4. Faxes and Modems -- The Fax -- Standard Fax Transmission -- History of Fax Technology -- Bits and Bytes -- The Modem -- Development of Voiceband Modems -- Voiceband Modem Operating Standards -- Cable Modems -- DSL Modems |
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5. Mobile Phones, Videophones, and Internet PhonesThe Cell Phone -- Cellular Communication -- Development of Cellular Systems -- CUL8R:Texting -- The Smartphone -- The Satellite Phone -- The iphone -- The Videophone -- Early Videophones -- Analog Videophones -- Digital Videophone Systems -- Videoconferencing -- VoIP -- Conclusion -- Back Cover. |
| Summary |
Looks at telephone technology, including its history, important contributors, and current state. |
| System Details |
Requires Boundless App. |
| Subject |
Telephone -- History.
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Telecommunication -- History.
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Electronics -- History.
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Electronics. |
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Telecommunication. |
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Telephone. |
| Genre |
Electronic books. |
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History.
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| Added Author |
Boundless (Digital media service)
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| ISBN |
9781615307241 : $29.95 |
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1615307249 : $29.95 |
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