Subscriber equipment muting method and apparatus
First Claim
1. An apparatus for muting communications subscriber equipment connected to a communications line, the apparatus including:
- a) a monitoring circuit for monitoring electrical conditions of said communications line, when said subscriber equipment is connected to said communication line;
b) a disconnection circuit for disconnecting said subscriber equipment from said communication line;
c) a termination circuit for terminating said communications line with a dummy termination when said subscriber equipment is disconnected, such that, said communications line appears to be terminated by said subscriber equipment;
d) a power supply circuit for providing to said subscriber equipment said communications line electrical conditions as determined by said monitoring circuit prior to disconnecting said subscriber equipment from said communications line, when said subscriber equipment is disconnected from said communications line.
12 Assignments
0 Petitions
Accused Products
Abstract
An apparatus for muting communications subscriber equipment connected to a communications line includes a monitoring circuit for monitoring electrical conditions of the communications line, when the subscriber equipment is connected thereto. A disconnection circuit is provided for disconnecting the subscriber equipment from the communication line and a termination circuit is provided for terminating the communications line with a dummy termination when the subscriber equipment is disconnected, such that, the communications line appears to be terminated by the subscriber equipment. When the subscriber equipment is disconnected from the communications line a power supply circuit provides power to the subscriber equipment with the same electrical conditions as determined by the monitoring circuit prior to disconnecting the subscriber equipment.
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Citations
12 Claims
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1. An apparatus for muting communications subscriber equipment connected to a communications line, the apparatus including:
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a) a monitoring circuit for monitoring electrical conditions of said communications line, when said subscriber equipment is connected to said communication line; b) a disconnection circuit for disconnecting said subscriber equipment from said communication line; c) a termination circuit for terminating said communications line with a dummy termination when said subscriber equipment is disconnected, such that, said communications line appears to be terminated by said subscriber equipment; d) a power supply circuit for providing to said subscriber equipment said communications line electrical conditions as determined by said monitoring circuit prior to disconnecting said subscriber equipment from said communications line, when said subscriber equipment is disconnected from said communications line. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of muting communications subscriber equipment connected to a communications line, the method comprising the steps of:
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a) monitoring electrical conditions of said communications line, when said subscriber equipment is connected to said communications line; b) disconnecting said subscriber equipment from said communications line; c) terminating said communications line with a dummy termination such that said communications line appears to be terminated by said subscriber equipment; and d) while said communications line is terminated by said dummy load, providing to said subscriber equipment said communications line electrical conditions as determined by said monitoring circuit prior to disconnecting said subscriber equipment from said communications line. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification