Patent
US 12,366,631 B1SOFTWARE-DEFINED GaN-BASED UTILITY LOCATOR TRANSMITTER
Ron Atzmon, Arad Eizen, Guy Inbar
Exodigo Ltd., Tel Aviv (IL)·Jul. 22, 2025·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 12,366,631 B1Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic illustration of the transmitter’s structure, according to some embodiments of the invention;
FIG. 2 is a flowchart of the transmitter’s operational algorithm, according to some embodiments of the invention;
FIG. 3 is a state transition flowchart of the presently disclosed transmitter, according to some embodiments of the invention; and
FIG. 4 is a schematic illustration of a multi-transmitter system deployed over an area with an underground utility network, according to some embodiments of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A transmitter for underground metal object detection system, comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; and a processor configured to perform the following: receive a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio signal via the transmitting antenna; measure the alternating current to make a determination whether the modulated control signal conforms to the plurality of signal parameters; and responsive to determining that the modulated control signal does not conform to the plurality of signal parameters, adjust the plurality of signal parameters.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges operates at a frequency of 200 kHz to 12 MHz, and the alternating current voltage is in a range of 12 VAC to 1200 VAC.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges comprises one of: a plurality of GaN switching elements; and a plurality of silicon carbide switching elements.
The transmitter according to claim 1, further compris-ing: a power source; and a DC-DC boost converter, wherein the power source output is the DC-DC boost converter input, wherein the DC-DC boost converter output is the H-bridge input, and wherein the processor is further configured to perform the following: monitor an input voltage of the DC-DC boost con-verter; and limit power consumption of the system.
A system for underground metal object detection, comprising: a radio frequency transceiver unit; a management unit; and a plurality of transmitters according to claim 1, wherein the management unit is configured to send to each of the plurality of transmitters a unique plurality of signal parameters, such that all transmitters operate at frequencies at least 1 Hz apart, and wherein the transceiver unit is configured to receive and process signals transmitted by the plurality of transmitters.
A system for underground metal object detection, comprising: one or more transmitters, each transmitter comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; a GNSS receiver; and a processor configured to perform the following: receive a respective plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude val-ues; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio sig-nal via the transmitting antenna; measure the alternating current to make a determi-nation whether the modulated control signal con-forms to the respective plurality of signal param-eters; and responsive to determining that the modulated control signal does not conform to the respective plurality of signal parameters, adjust the respective plural-ity of signal parameters; and a scanning device, comprising: a GNSS receiver; 35 a processor configured to perform the following: receive a respective GNSS position of each of the one or more transmitters; configure a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values.
A processor-implemented method for underground metal object detection with a scanning device and one or more transmitters, comprising: determining, at the scanning device and at each of the one or more transmitters, a respective GNSS position; receiving, at the scanning device, a respective GNSS position of each of the one or more transmitters; configuring, at the scanning device, a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; receiving, at each of the one or more transmitters, a respective plurality of signal parameters; generating, at each of the one or more transmitters, a high-frequency modulated control signal controlling one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges in accordance to the plurality of signal parameters; measuring, at each of the one or more transmitters, an alternating current provided by the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to a transmitting antenna to make a determination whether the modulated control signal conforms to the respective plurality of signal param-eters; and responsive to determining, at each of the one or more transmitters, that the modulated control signal does not conform to the respective plurality of signal param-eters, adjusting the respective plurality of signal param-eters.
The method according to claim 7, wherein generating the high-frequency modulated control signal comprises gen-erating a multi-frequency continuous wave.
The method according to claim 7, further comprising at least one of: performing power control of the high-frequency modu-lated control signal; and performing frequency control of the high-frequency modulated control signal.
The method according to claim 7, further comprising performing digital pre-distortion of the high-frequency modulated control signal to compensate for transmission non-linearities.
The method according to claim 7, further comprising performing cognitive interference mitigation by dynami-cally adjusting the signal parameters based on detected interference.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input entered by an operator via a user interface.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input via wireless communication means. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
software-defined GaN-based utility locator transmitter
underground metal object detection system
No layer stack recorded.
Materials described outside the worked examples.
GaN switching elements
GaN
silicon carbide switching elements
SiC
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
H-bridge operating frequency range | 200–12000 | — |
alternating current voltage range | 12–1200 | — |
minimum frequency separation between transmitters |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,366,631 B1Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic illustration of the transmitter’s structure, according to some embodiments of the invention;
FIG. 2 is a flowchart of the transmitter’s operational algorithm, according to some embodiments of the invention;
FIG. 3 is a state transition flowchart of the presently disclosed transmitter, according to some embodiments of the invention; and
FIG. 4 is a schematic illustration of a multi-transmitter system deployed over an area with an underground utility network, according to some embodiments of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A transmitter for underground metal object detection system, comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; and a processor configured to perform the following: receive a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio signal via the transmitting antenna; measure the alternating current to make a determination whether the modulated control signal conforms to the plurality of signal parameters; and responsive to determining that the modulated control signal does not conform to the plurality of signal parameters, adjust the plurality of signal parameters.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges operates at a frequency of 200 kHz to 12 MHz, and the alternating current voltage is in a range of 12 VAC to 1200 VAC.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges comprises one of: a plurality of GaN switching elements; and a plurality of silicon carbide switching elements.
The transmitter according to claim 1, further compris-ing: a power source; and a DC-DC boost converter, wherein the power source output is the DC-DC boost converter input, wherein the DC-DC boost converter output is the H-bridge input, and wherein the processor is further configured to perform the following: monitor an input voltage of the DC-DC boost con-verter; and limit power consumption of the system.
A system for underground metal object detection, comprising: a radio frequency transceiver unit; a management unit; and a plurality of transmitters according to claim 1, wherein the management unit is configured to send to each of the plurality of transmitters a unique plurality of signal parameters, such that all transmitters operate at frequencies at least 1 Hz apart, and wherein the transceiver unit is configured to receive and process signals transmitted by the plurality of transmitters.
A system for underground metal object detection, comprising: one or more transmitters, each transmitter comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; a GNSS receiver; and a processor configured to perform the following: receive a respective plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude val-ues; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio sig-nal via the transmitting antenna; measure the alternating current to make a determi-nation whether the modulated control signal con-forms to the respective plurality of signal param-eters; and responsive to determining that the modulated control signal does not conform to the respective plurality of signal parameters, adjust the respective plural-ity of signal parameters; and a scanning device, comprising: a GNSS receiver; 35 a processor configured to perform the following: receive a respective GNSS position of each of the one or more transmitters; configure a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values.
A processor-implemented method for underground metal object detection with a scanning device and one or more transmitters, comprising: determining, at the scanning device and at each of the one or more transmitters, a respective GNSS position; receiving, at the scanning device, a respective GNSS position of each of the one or more transmitters; configuring, at the scanning device, a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; receiving, at each of the one or more transmitters, a respective plurality of signal parameters; generating, at each of the one or more transmitters, a high-frequency modulated control signal controlling one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges in accordance to the plurality of signal parameters; measuring, at each of the one or more transmitters, an alternating current provided by the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to a transmitting antenna to make a determination whether the modulated control signal conforms to the respective plurality of signal param-eters; and responsive to determining, at each of the one or more transmitters, that the modulated control signal does not conform to the respective plurality of signal param-eters, adjusting the respective plurality of signal param-eters.
The method according to claim 7, wherein generating the high-frequency modulated control signal comprises gen-erating a multi-frequency continuous wave.
The method according to claim 7, further comprising at least one of: performing power control of the high-frequency modu-lated control signal; and performing frequency control of the high-frequency modulated control signal.
The method according to claim 7, further comprising performing digital pre-distortion of the high-frequency modulated control signal to compensate for transmission non-linearities.
The method according to claim 7, further comprising performing cognitive interference mitigation by dynami-cally adjusting the signal parameters based on detected interference.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input entered by an operator via a user interface.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input via wireless communication means. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
software-defined GaN-based utility locator transmitter
underground metal object detection system
No layer stack recorded.
Materials described outside the worked examples.
GaN switching elements
GaN
silicon carbide switching elements
SiC
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
H-bridge operating frequency range | 200–12000 | — |
alternating current voltage range | 12–1200 | — |
minimum frequency separation between transmitters |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,366,631 B1Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic illustration of the transmitter’s structure, according to some embodiments of the invention;
FIG. 2 is a flowchart of the transmitter’s operational algorithm, according to some embodiments of the invention;
FIG. 3 is a state transition flowchart of the presently disclosed transmitter, according to some embodiments of the invention; and
FIG. 4 is a schematic illustration of a multi-transmitter system deployed over an area with an underground utility network, according to some embodiments of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A transmitter for underground metal object detection system, comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; and a processor configured to perform the following: receive a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio signal via the transmitting antenna; measure the alternating current to make a determination whether the modulated control signal conforms to the plurality of signal parameters; and responsive to determining that the modulated control signal does not conform to the plurality of signal parameters, adjust the plurality of signal parameters.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges operates at a frequency of 200 kHz to 12 MHz, and the alternating current voltage is in a range of 12 VAC to 1200 VAC.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges comprises one of: a plurality of GaN switching elements; and a plurality of silicon carbide switching elements.
The transmitter according to claim 1, further compris-ing: a power source; and a DC-DC boost converter, wherein the power source output is the DC-DC boost converter input, wherein the DC-DC boost converter output is the H-bridge input, and wherein the processor is further configured to perform the following: monitor an input voltage of the DC-DC boost con-verter; and limit power consumption of the system.
A system for underground metal object detection, comprising: a radio frequency transceiver unit; a management unit; and a plurality of transmitters according to claim 1, wherein the management unit is configured to send to each of the plurality of transmitters a unique plurality of signal parameters, such that all transmitters operate at frequencies at least 1 Hz apart, and wherein the transceiver unit is configured to receive and process signals transmitted by the plurality of transmitters.
A system for underground metal object detection, comprising: one or more transmitters, each transmitter comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; a GNSS receiver; and a processor configured to perform the following: receive a respective plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude val-ues; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio sig-nal via the transmitting antenna; measure the alternating current to make a determi-nation whether the modulated control signal con-forms to the respective plurality of signal param-eters; and responsive to determining that the modulated control signal does not conform to the respective plurality of signal parameters, adjust the respective plural-ity of signal parameters; and a scanning device, comprising: a GNSS receiver; 35 a processor configured to perform the following: receive a respective GNSS position of each of the one or more transmitters; configure a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values.
A processor-implemented method for underground metal object detection with a scanning device and one or more transmitters, comprising: determining, at the scanning device and at each of the one or more transmitters, a respective GNSS position; receiving, at the scanning device, a respective GNSS position of each of the one or more transmitters; configuring, at the scanning device, a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; receiving, at each of the one or more transmitters, a respective plurality of signal parameters; generating, at each of the one or more transmitters, a high-frequency modulated control signal controlling one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges in accordance to the plurality of signal parameters; measuring, at each of the one or more transmitters, an alternating current provided by the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to a transmitting antenna to make a determination whether the modulated control signal conforms to the respective plurality of signal param-eters; and responsive to determining, at each of the one or more transmitters, that the modulated control signal does not conform to the respective plurality of signal param-eters, adjusting the respective plurality of signal param-eters.
The method according to claim 7, wherein generating the high-frequency modulated control signal comprises gen-erating a multi-frequency continuous wave.
The method according to claim 7, further comprising at least one of: performing power control of the high-frequency modu-lated control signal; and performing frequency control of the high-frequency modulated control signal.
The method according to claim 7, further comprising performing digital pre-distortion of the high-frequency modulated control signal to compensate for transmission non-linearities.
The method according to claim 7, further comprising performing cognitive interference mitigation by dynami-cally adjusting the signal parameters based on detected interference.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input entered by an operator via a user interface.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input via wireless communication means. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
software-defined GaN-based utility locator transmitter
underground metal object detection system
No layer stack recorded.
Materials described outside the worked examples.
GaN switching elements
GaN
silicon carbide switching elements
SiC
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
H-bridge operating frequency range | 200–12000 | — |
alternating current voltage range | 12–1200 | — |
minimum frequency separation between transmitters |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,366,631 B1Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic illustration of the transmitter’s structure, according to some embodiments of the invention;
FIG. 2 is a flowchart of the transmitter’s operational algorithm, according to some embodiments of the invention;
FIG. 3 is a state transition flowchart of the presently disclosed transmitter, according to some embodiments of the invention; and
FIG. 4 is a schematic illustration of a multi-transmitter system deployed over an area with an underground utility network, according to some embodiments of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A transmitter for underground metal object detection system, comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; and a processor configured to perform the following: receive a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio signal via the transmitting antenna; measure the alternating current to make a determination whether the modulated control signal conforms to the plurality of signal parameters; and responsive to determining that the modulated control signal does not conform to the plurality of signal parameters, adjust the plurality of signal parameters.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges operates at a frequency of 200 kHz to 12 MHz, and the alternating current voltage is in a range of 12 VAC to 1200 VAC.
The transmitter according to claim 1, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges comprises one of: a plurality of GaN switching elements; and a plurality of silicon carbide switching elements.
The transmitter according to claim 1, further compris-ing: a power source; and a DC-DC boost converter, wherein the power source output is the DC-DC boost converter input, wherein the DC-DC boost converter output is the H-bridge input, and wherein the processor is further configured to perform the following: monitor an input voltage of the DC-DC boost con-verter; and limit power consumption of the system.
A system for underground metal object detection, comprising: a radio frequency transceiver unit; a management unit; and a plurality of transmitters according to claim 1, wherein the management unit is configured to send to each of the plurality of transmitters a unique plurality of signal parameters, such that all transmitters operate at frequencies at least 1 Hz apart, and wherein the transceiver unit is configured to receive and process signals transmitted by the plurality of transmitters.
A system for underground metal object detection, comprising: one or more transmitters, each transmitter comprising: one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges; a transmitting antenna, wherein the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges provides an alternating current to the transmitting antenna; a GNSS receiver; and a processor configured to perform the following: receive a respective plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude val-ues; generate a high-frequency modulated control signal controlling the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to produce the alternating current in accordance to the plurality of signal parameters, thereby transmitting a multi-frequency radio sig-nal via the transmitting antenna; measure the alternating current to make a determi-nation whether the modulated control signal con-forms to the respective plurality of signal param-eters; and responsive to determining that the modulated control signal does not conform to the respective plurality of signal parameters, adjust the respective plural-ity of signal parameters; and a scanning device, comprising: a GNSS receiver; 35 a processor configured to perform the following: receive a respective GNSS position of each of the one or more transmitters; configure a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values.
A processor-implemented method for underground metal object detection with a scanning device and one or more transmitters, comprising: determining, at the scanning device and at each of the one or more transmitters, a respective GNSS position; receiving, at the scanning device, a respective GNSS position of each of the one or more transmitters; configuring, at the scanning device, a plurality of signal parameters, wherein a signal parameter comprises one or more frequency values and one or more amplitude values; receiving, at each of the one or more transmitters, a respective plurality of signal parameters; generating, at each of the one or more transmitters, a high-frequency modulated control signal controlling one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges in accordance to the plurality of signal parameters; measuring, at each of the one or more transmitters, an alternating current provided by the one of (1) a high-frequency H-bridge and (2) a pair of high-frequency half H-bridges to a transmitting antenna to make a determination whether the modulated control signal conforms to the respective plurality of signal param-eters; and responsive to determining, at each of the one or more transmitters, that the modulated control signal does not conform to the respective plurality of signal param-eters, adjusting the respective plurality of signal param-eters.
The method according to claim 7, wherein generating the high-frequency modulated control signal comprises gen-erating a multi-frequency continuous wave.
The method according to claim 7, further comprising at least one of: performing power control of the high-frequency modu-lated control signal; and performing frequency control of the high-frequency modulated control signal.
The method according to claim 7, further comprising performing digital pre-distortion of the high-frequency modulated control signal to compensate for transmission non-linearities.
The method according to claim 7, further comprising performing cognitive interference mitigation by dynami-cally adjusting the signal parameters based on detected interference.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input entered by an operator via a user interface.
The method according to claim 7, wherein receiving a plurality of signal parameters comprises receiving input via wireless communication means. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
software-defined GaN-based utility locator transmitter
underground metal object detection system
No layer stack recorded.
Materials described outside the worked examples.
GaN switching elements
GaN
silicon carbide switching elements
SiC
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
H-bridge operating frequency range | 200–12000 | — |
alternating current voltage range | 12–1200 | — |
minimum frequency separation between transmitters |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Related documents with shared materials, methods, properties, or citations.
| ≥ 1 |
| — |
SEMICONDUCTOR DEVICE HAVING A GAN-BASED SEMICONDUCTOR LAYER DOPED WITH FE
| ≥ 1 |
| — |
SEMICONDUCTOR DEVICE HAVING A GAN-BASED SEMICONDUCTOR LAYER DOPED WITH FE
| ≥ 1 |
| — |
SEMICONDUCTOR DEVICE HAVING A GAN-BASED SEMICONDUCTOR LAYER DOPED WITH FE
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SEMICONDUCTOR DEVICE HAVING A GAN-BASED SEMICONDUCTOR LAYER DOPED WITH FE