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公开(公告)号：US10447488B2
公开(公告)日：2019-10-15
申请号：US15467229
申请日：2017-03-23
Applicant: IC Plus Corp.
Inventor： Philip Huang , Chef Hsiao , Pai-Yi Chiu
Abstract: The present invention relates to device and method for detecting powered devices connected to a power source equipment in a Power over Ethernet system that provides multiple signal/power channels. A series of inspection signals including one discriminative signal is applied to the respective channels and response signals to the discriminative signal and other detection signals are compared in order to determine whether multiple channels are connected to one single powered device.
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2.发明授权公开(公告)号：US11509492B2
公开(公告)日：2022-11-22
申请号：US17383467
申请日：2021-07-23
Applicant: IC Plus Corp.
Inventor： Chef Hsiao
Abstract: Control device for power over Ethernet system having multiple power source devices controls power distribution to a plurality of communication ports. Master controller provides a power supply to power consumption look-up-table to a plurality of control circuits in various manners via a series bus. When one power source device shuts down, each control circuit can rapidly shut off selected port switches connected thereto.
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公开(公告)号：US20170104602A1
公开(公告)日：2017-04-13
申请号：US14981358
申请日：2015-12-28
Applicant: IC Plus Corp.
Inventor： Chef Hsiao
IPC: H04L12/10
CPC classification number: H04L12/10
Abstract: A gain circuit for power sourcing equipment of Power over Ethernet is disclosed and provides a guard band for the input offset voltages of its operational amplifier. The guard band may be represented by a voltage value and may be set to be greater than the maximum input offset voltage of the input terminals of the operational amplifier. In some embodiment, the guard band allows the voltage of the negative input terminal of the operational amplifier to be greater than 0 V without sacrificing the gain precision.
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公开(公告)号：US20180139064A1
公开(公告)日：2018-05-17
申请号：US15588068
申请日：2017-05-05
Applicant: IC Plus Corp.
Inventor： Hann-Yun Tarn , Chef Hsiao
IPC: H04L12/10
Abstract: A power source equipment for power over Ethernet system comprising a plurality of power source devices, each configured to determine, after having determined the power source device is connected by an external device without a powered device (PD) signature, whether another power source device is connected by a power device with a PD signature. If the determination is positive, the two power source devices are determined having been connected by the same PD and power is supplied to the PD by the two power source devices.
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5.发明申请公开(公告)号：US20180091319A1
公开(公告)日：2018-03-29
申请号：US15467229
申请日：2017-03-23
Applicant: IC Plus Corp.
Inventor： Philip Huang , Chef Hsiao , Pai-Yi Chiu
Abstract: The present invention relates to device and method for detecting powered devices connected to a power source equipment in a Power over Ethernet system that provides multiple signal/power channels. A series of inspection signals including one discriminative signal is applied to the respective channels and response signals to the discriminative signal and other detection signals are compared in order to determine whether multiple channels are connected to one single powered device.
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Patent Agency Ranking
公开(公告)号：US20170149574A1
公开(公告)日：2017-05-25
申请号：US14988187
申请日：2016-01-05
Applicant: IC Plus Corp.
Inventor： Philip Huang , Chef Hsiao , Pai-Yi Chiu
CPC classification number: H04L12/10 , G06F1/266 , G06F1/28 , G06F1/3209
Abstract: An inspection device to determine whether a device connected to a Power over Ethernet system is suited for being powered, is configured to apply an inspection signal to the device and to measure a response signal thereto. The inspection signal includes a first, second, third and fourth voltage, wherein the first voltage and the third voltage are substantial the same and the second voltage and the fourth voltages are substantial the same, and an application period for applying the fourth voltage is sum of the application period for the second voltage and an extension period. The inspection device determines that the device is not suitable for being powered if a response signal exceeds predetermined ranges. A method to perform these inspections is also disclosed.
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公开(公告)号：US11632257B2
公开(公告)日：2023-04-18
申请号：US17970022
申请日：2022-10-20
Applicant: IC Plus Corp.
Inventor： Chef Hsiao
Abstract: Power over Ethernet system having multiple power source devices comprising a control device that controls power distribution to a plurality of communication ports. In the control device, a master controller provides a power supply to power consumption look-up-table to a plurality of control circuits in various manners via a series bus. When one power source device shuts down, each control circuit can rapidly shut off selected port switches connected thereto.
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公开(公告)号：US10523448B2
公开(公告)日：2019-12-31
申请号：US15588068
申请日：2017-05-05
Applicant: IC Plus Corp.
Inventor： Hann-Yun Tarn , Chef Hsiao
Abstract: A power source equipment for power over Ethernet system comprising a plurality of power source devices, each configured to determine, after having determined the power source device is connected by an external device without a powered device (PD) signature, whether another power source device is connected by a power device with a PD signature. If the determination is positive, the two power source devices are determined having been connected by the same PD and power is supplied to the PD by the two power source devices.
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公开(公告)号：US10142116B2
公开(公告)日：2018-11-27
申请号：US14988187
申请日：2016-01-05
Applicant: IC Plus Corp.
Inventor： Philip Huang , Chef Hsiao , Pai-Yi Chiu
Abstract: An inspection device to determine whether a device connected to a Power over Ethernet system is suited for being powered, is configured to apply an inspection signal to the device and to measure a response signal thereto. The inspection signal includes a first, second, third and fourth voltage, wherein the first voltage and the third voltage are substantial the same and the second voltage and the fourth voltages are substantial the same, and an application period for applying the fourth voltage is sum of the application period for the second voltage and an extension period. The inspection device determines that the device is not suitable for being powered if a response signal exceeds predetermined ranges. A method to perform these inspections is also disclosed.
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公开(公告)号：US10097361B2
公开(公告)日：2018-10-09
申请号：US14981358
申请日：2015-12-28
Applicant: IC Plus Corp.
Inventor： Chef Hsiao
IPC: H04L12/10
Abstract: A gain circuit for power sourcing equipment of Power over Ethernet is disclosed and provides a guard band for the input offset voltages of its operational amplifier. The guard band may be represented by a voltage value and may be set to be greater than the maximum input offset voltage of the input terminals of the operational amplifier. In some embodiment, the guard band allows the voltage of the negative input terminal of the operational amplifier to be greater than 0 V without sacrificing the gain precision.
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