Vandal resistant public telephone
Vandal-proof handset for a pay telephone
Vandal-resistant shield for telephone keypad
Variable angle electronic halftone screening
Variable angle mechanism for desktop telephone
Variable colour display telephone
Variable communication bandwidth for conference call initiation
Variable communication bandwidth for providing automatic...
Variable impedance detecting circuit for a telephone line...
Variable initial rate coin validator for a payphone
Variable length called number screening
Variable loop length compensated optocoupled circuit
Variable loop telephone transmission circuit
Variable state length initialization for dsl systems
Vehicle location system
Vehicle telephone with call answering and recording means
Video and audio communication terminal, particularly a...
Video and audio directory assistance
Video control circuit for multimedia applications
Video display system