Omni-inducer transmitting devices and methods
First Claim
1. An omni-inducer device for inducing currents in a hidden or buried utility, comprising:
- a housing;
an omnidirectional transmit antenna node including a plurality of transmit antenna coil assemblies disposed on or within or operatively coupled to the housing;
a transmitter module disposed in the housing for generating, simultaneously, individual ones of a plurality of output signals at a plurality of different frequencies for inductively coupling to a buried utility; and
a control circuit configured to selectively switch, in one or more predetermined time slots, the ones of a plurality of output signals between ones of the plurality of antenna coil assemblies.
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Accused Products
Abstract
Omnidirectional electromagnetic signal inducer (omni-inducer) devices are disclosed. The omni-inducer device may include a housing, which may include a conductive base for coupling signals to ground, and an omnidirectional antenna node including a plurality of antenna coil assemblies, where the node may be disposed on or within the housing. The omni-inducer device may further include one or more transmitter modules for generating ones of a plurality of output signals, which may be generated at ones of a plurality of different frequencies, and one or more control circuits configured to control the transmitters and/or other circuits to selectively switch the ones of the plurality of output signals between ones of the plurality of antenna coil assemblies.
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Citations
28 Claims
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1. An omni-inducer device for inducing currents in a hidden or buried utility, comprising:
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a housing; an omnidirectional transmit antenna node including a plurality of transmit antenna coil assemblies disposed on or within or operatively coupled to the housing; a transmitter module disposed in the housing for generating, simultaneously, individual ones of a plurality of output signals at a plurality of different frequencies for inductively coupling to a buried utility; and a control circuit configured to selectively switch, in one or more predetermined time slots, the ones of a plurality of output signals between ones of the plurality of antenna coil assemblies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification