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IEEE Transactions on Consumer Electronics

Issue 1 • Feb 1989

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Displaying Results 1 - 7 of 7
  • Alignment-free digital videorecorder-servo concept

    Publication Year: 1989, Page(s):11 - 15
    Cited by:  Papers (2)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    An alignment-free servo concept for video recorders is presented that uses a microprocessor for digital regulation in combination with a novel drum-motor-control concept. The system is also capable of doing some of the required mechanical adjustments by itself. This servo concept is based on a general-purpose microcontroller with an enhanced-purpose microcontroller timer structure for measuring ti... View full abstract»

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  • Multi-numeric display systems

    Publication Year: 1989, Page(s):24 - 31
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    Circuitry is described for representing a binary coded decimal (BCD) number using a 16-segment display in any one of the following forms: English, Arabic, Chinese, or Hindi. The choice of number system is user-selectable. In addition to the selector switch and the display, the system uses two PROMs (programmable read-only memories) and an encode. All the components used in the display system, incl... View full abstract»

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  • Tuner and demodulator performance for cable distributed D2-MAC TV-signals

    Publication Year: 1989, Page(s):1 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    Results are presented of a system study on cable distribution of D2-MAC (time-multiplexed analog component) TV signals. With bit error rate as a D2-data performance parameter and visibility of disturbing signals as a performance reference for MAC-video components, system requirements are derived and related to existing concepts. The D2-MAC TV-signal is a time multiplex consisting of a duobinary D2... View full abstract»

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  • Quality graphics for daisy-wheel word processing

    Publication Year: 1989, Page(s):16 - 23
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    Word processors using daisy-wheel printers presently offer quality lettering but lack graphics capability. An approach for dot-matrix emulation is suggested that may also offer high-resolution graphics. Since graphics can best be represented by dot collections, the one hundred daisy-wheel spokes can be digitized and, through appropriate selections, are able to form unlimited graphic images. The im... View full abstract»

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  • A microprocessor-based dot matrix display system for Japanese Hiragana syllables

    Publication Year: 1989, Page(s):32 - 36
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (244 KB)

    A microprocessor-based 5×7 dot-matrix display system for Japanese Hiragana syllables is proposed. The dot-matrix layout for each of the 68 syllables is shown. The syllable generation or the selective dots to produce a display is accomplished using a column approach, i.e. 7 dots (comprising one column) are displaced at a time with proper multiplexing, the display of each syllable is completed... View full abstract»

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  • Transmission characteristics of a power line used for data communications at high frequencies

    Publication Year: 1989, Page(s):37 - 42
    Cited by:  Papers (15)  |  Patents (46)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    The transmission characteristics of an installed power line used for data communication, and of a model of this actual line, were measured over the frequency range of 10 kHz-50 MHz. It was found that impedance characteristics were not greatly influenced by the working loads at high frequencies, but changed drastically at lower frequencies. For frequencies of less than 100 MHz, the transmission los... View full abstract»

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  • Multi channel PWM power invertors integrated in a switching power supply circuit

    Publication Year: 1989, Page(s):43 - 49
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    A description is given of a PWM (pulse-width modulated) power inverter circuit integrated into a conventional switching power-supply circuit. The output current of the switching power supply is distributed to several output loads by a time-sharing scheme using a PWM switching network that uses input voltage values to determine which load is energized. This circuit configuration eliminates choke co... View full abstract»

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Aims & Scope

The main focus for the IEEE Transactions on Consumer Electronics is the engineering and research aspects of the theory, design, construction, manufacture or end use of mass market electronics, systems, software and services for consumers.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Fernando Pescador, Assistant Professor
Computer Science and Electronic Engineering Dept.
ETSIS Telecommunications
Universidad Politecnica de Madrid
Ctra Valencia Km 7
28031 Madrid, Spain
pescador@sec.upm.es