RF coupled data access arrangement circuit for telephony customer premise equipment
First Claim
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1. A method comprising:
- providing an item of telephony customer premise equipment which includes a housing and a data access arrangement (DAA) circuit inside the housing;
wirelessly transmitting a first RF signal from a first side of the DAA circuit inside the housing to a second side of the DAA circuit inside the housing; and
wirelessly transmitting a second RF signal from the second side of the DAA circuit inside the housing to the first side of the DAA circuit inside the housing.
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Abstract
A data access arrangement (DAA) circuit for an item of customer premise equipment (CPE, i.e., telephone terminal equipment) utilizes RF coupling across an isolation barrier between two sides of the DAA circuit.
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Citations
13 Claims
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1. A method comprising:
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providing an item of telephony customer premise equipment which includes a housing and a data access arrangement (DAA) circuit inside the housing; wirelessly transmitting a first RF signal from a first side of the DAA circuit inside the housing to a second side of the DAA circuit inside the housing; and wirelessly transmitting a second RF signal from the second side of the DAA circuit inside the housing to the first side of the DAA circuit inside the housing. - View Dependent Claims (2, 3, 4, 5)
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6. An item of telephony customer premise equipment, comprising:
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an information signal component to generate and handle information signals; a jack to allow the item of telephony customer premise equipment to be coupled to a wire or cable; and a data access arrangement (DAA) circuit connected between the jack and the information signal component, the DAA circuit including; a first integrated circuit including a first transmit circuit to generate a first RF signal, the integrated circuit also including a first receive circuit; and a second integrated circuit that is electrically isolated from the first integrated circuit, the second integrated circuit including a second receive circuit to receive the first RF signal and a second transmit circuit to generate a second RF signal, said second integrated circuit not being capacitively coupled to said first integrated circuit; wherein the first receive circuit is capable of receiving the second RF signal; the item of telephony customer premise equipment further including a housing that contains the first and second integrated circuits; wherein said housing is part of a laptop computer, a personal computer, a modem, a telephone, a facsimile machine or a telephone answering machine. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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Specification