Apparatus and method for improving reception in a system with multiple transmitters and receivers operating on a single antenna
Номер патента: EP2030332A1
Опубликовано: 04-03-2009
Автор(ы): Alfonso Malaga, Chad E. Wilson, Palaniappan Meiyappan
Принадлежит: Honeywell International Inc
Опубликовано: 04-03-2009
Автор(ы): Alfonso Malaga, Chad E. Wilson, Palaniappan Meiyappan
Принадлежит: Honeywell International Inc
Реферат: An apparatus for transmitting and receiving multiple frequencies on a single antenna is provided. The apparatus includes a first transmitter configured to transmit signals on a first frequency to an antenna, and at least one receiver configured to receive signals on a second frequency from the antenna. The apparatus also includes a notch filter coupled to the first transmitter and configured to reject a component at the second frequency from a signal transmitted by the first transmitter
Apparatus, and associated method, for facilitating formation of a call connection in a radio communication system with a service center identified by a short dialing code
Номер патента: CA2570958C. Автор: Adrian Buckley,Bokinakere Subbarao Sundresh. Владелец: Research in Motion Ltd. Дата публикации: 2012-07-10.