MOBILE WIRELESS COMMUNICATIONS DEVICE HAVING IMPROVED ANTENNA IMPEDANCE MATCH AND ANTENNA GAIN FROM RF ENERGY
8 Assignments
0 Petitions
Accused Products
Abstract
A mobile wireless communications device and associated method of making same includes a housing and circuit board having a ground plane. Radio frequency (RF) circuitry and a processor are carried by the circuit board and operative with each other. An antenna is carried by the housing and operative with the RF circuitry. Audio circuitry is carried by the circuit board and operative with the RF circuitry and processor. An audio transducer assembly such as a receiver is carried by the circuit board and engages audio circuitry for carrying audio signals between the audio circuitry and speaker. A filter is mounted at the speaker for blocking RF energy from the antenna through the speaker to the ground plane and decoupling the antenna from the speaker and any other components on the circuit board to minimize any detuning of antenna impedance match and degradation in antenna gain.
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Citations
54 Claims
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1-28. -28. (canceled)
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29. A mobile wireless communications device comprising:
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at least one circuit board having a ground plane; radio frequency (RF) circuitry carried by said at least one circuit board; audio circuitry carried by said at least one circuit board; an audio transducer assembly carried by said at least one circuit board and comprising an audio transducer, a transducer housing for said audio transducer, and at least one electrical contact pad member on said transducer housing and coupled to said audio circuitry; and at least one filter within said transducer housing and coupled between said audio transducer and said at least one electrical contact pad member. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A mobile wireless communications device comprising:
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at least one circuit board; radio frequency (RF) circuitry carried by said at least one circuit board; an antenna coupled to said RF circuitry; audio circuitry carried by said at least one circuit board; a processor coupled to said RF circuitry and said audio circuitry; an audio transducer assembly carried by said at least one circuit board and comprising an audio transducer, a transducer housing for said audio transducer, and at least one electrical contact pad member on said transducer housing and coupled to said audio circuitry; and at least one filter within said transducer housing and coupled between said audio transducer and said at least one electrical contact pad member. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46)
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47. A method for making a mobile wireless communications device comprising:
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mounting radio frequency (RF) circuitry and audio circuitry on at least one circuit board having a ground plane; mounting an audio transducer assembly on the at least one circuit board and comprising an audio transducer, a transducer housing for the audio transducer, and at least one electrical contact pad member on the transducer housing and coupled to the audio circuitry; and mounting at least one filter within the transducer housing and coupled between the audio transducer and the at least one electrical contact pad member. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54)
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Specification