Patent ReferencesComplex RF weighter Patent #: 4301432 InventorsAssigneeApplicationNo. 678899 filed on 07/12/1996US Classes:455/558, Card control element455/283, Undesired signal or noise control (e.g., antistatic)455/296Noise or interference eliminationExaminersPrimary: Vo, NguyenAssistant: Banks-Harold, Marsha D. Attorney, Agent or FirmInternational ClassH04B 001/38AbstractAn antenna structure (108) operates in the presence of narrow or wide band interference and yet is able to enjoy high receiver sensitivity. This is done by steering the antenna structure (108) radiation pattern null in its near field at the noise source.Field of SearchInterface attached device (e.g., interface with modem, facsimile, computer, etc.)Card control element Noise or interference elimination Undesired signal or noise control (e.g., antistatic) Balancing or cancelling Plural separate collectors With particular output combining With frequency changing or selecting in the output path of one or more collectors Using plural separate signal paths Phase shift in at least one path With radio cabinet With plural antennas | |