US Pat. No. 10,064,306

BRACKET AND EQUIPMENT RACK

Wiwynn Corporation, New ...

1. A bracket, for use in an equipment rack, the equipment rack comprising a first rack rail and a second rack rail, the first rack rail having a first hole, the bracket comprising:a bracket body having a first end portion and a second end portion, the bracket body having an invariable length;
a first connection device fixed on the first end portion, the first connection device comprising a first rod part protruding in a first extension direction relative to the bracket body, an engaging section and a supporting section being formed on the first rod part in the first extending direction, the engaging section being located between the supporting section and the first end portion, the bracket being installed on the first rack rail by the supporting section of the first rod part of the first connection device being supported by a perimeter of the first hole, the engaging section being located out of the first hole as the first connection device is supported through the supporting section by the perimeter of the first hole; and
a second connection device fixed on the second end portion, the bracket being installed on the second rack rail by the second connection device being engaged with the second rack rail;wherein the bracket body is operable to move relative to the first rack rail and the second rack rail, so that the engaging section enters the first hole to make the second connection device be disengaged from the second rack rail.

US Pat. No. 10,172,254

HANDLE LOCKING DEVICE AND ELECTRONIC SYSTEM HAVING THE SAME

Wiwynn Corporation, New ...

1. An electronic system with handle locking device, the electronic system mounted to a shelf in a removable way and comprising:a case, having a first side wall and a second side wall adjoining to each other; and
a handle locking device, disposed at a location where the first side wall and the second side wall adjoin, the handle locking device comprising:
a swinging bracket, a first end of the swinging bracket fixed to the case and a second end of the swinging bracket comprising a hook;
an activation bracket, disposed at the case and movable along a first direction with respect to the case to push the swinging bracket to swing with respect to the case along the first end as a first axle, the hook selectively configurable to be at a locking position or at an unlocking position moving along a second direction different from the first direction with respect to the case when the swinging bracket swings with respect to the case; and
a handle, pivoted to the activation bracket via a second axle and rotatable along the second axle with respect to the activation bracket from a first position to a second position;
wherein when the handle is positioned at the first position, the hook is configured to be at the locking position with respect to the case; when the handle rotates from the first position to the second position, the handle pushes the case to move the activation bracket along the first direction with respect to the case, the activation bracket pushing the swinging bracket accordingly, in which the hook is configured to be at the unlocking position with respect to the case.

US Pat. No. 10,067,899

STORAGE SYSTEM AND DATA TRANSFERRING METHOD THEREOF

Wiwynn Corporation, New ...

1. A storage system, comprising:at least one drawer storage device, wherein each of the at least one drawer storage device accommodates at least one storage device, and each of the at least one drawer storage device has a first connecting interface;
a backplane board, having a second connecting interface, wherein the backplane board and each of the at least one drawer storage device are connected with each other through a transmission line, and the first connecting interface and the second connecting interface are connected in a close transmission range and a high transmission speed or isolated in a long transmission range with each other; and
a processing unit, coupled to the at least one drawer storage device and the backplane board, and configured to detect a connection status between the first connecting interface and the second connecting interface, and determine to transfer data through at least one of the transmission line in the long transmission range while the first connecting interface and the second connecting interface are not connected to each other and a connection between the first connecting interface and the second connecting interface in the close transmission range and the high transmission speed while the first connecting interface and the second connecting interface are connected to each other according to the connection status,
wherein when determining to transfer data through the combination of the connection between the first connecting interface and the second connecting interface together with the transmission line, the processing unit distributes data amounts for the transmission line and the connection between the first connecting interface and the second connecting interface to transfer data according to a transmission speed ratio of the transmission line and the connection between the first connecting interface and the second connecting interface.

US Pat. No. 10,013,044

POWER CONTROL SYSTEM AND RELATED METHOD OF TRANSMITTING POWER MANAGEMENT BUS TO SERVER

Wiwynn Corporation, New ...

1. A power control system for transmitting a power management bus (PMB) to a server, comprises:a power supply unit for outputting a power signal, a PMB and a carrier frequency;
a first microcontroller coupled to the power supply unit, for performing modulation to the PMB according to the carrier frequency, to generate a modulated PMB;
a transmission line coupled to the power supply unit and the first microcontroller, for simultaneously transmitting the modulated PMB and the power signal;
a first filter coupled to the transmission line and the server, for filtering out the power signal from the transmission line to the server;
a second filter coupled to the transmission line and the first microcontroller, for filtering out the modulated PMB from the transmission line; and
a second microcontroller coupled to the power supply unit, the first filter and the server, for performing demodulation to the modulated PMB according to the carrier frequency, to generate the PMB to the server;
wherein the first filter and the second filter are a hardware filter.

US Pat. No. 10,148,192

POWER SUPPLY SYSTEM AND CONTROL METHOD USING THE SAME

Wiwynn Corporation, New ...

1. A power supply system, comprising:a three-phase voltage source, for generating a power source with three phases;
a plurality of power supply modules, coupled to the three-phase voltage source, each comprising a plurality of major transforming modules corresponding to the three-phase voltage source for generating a plurality of direct-current voltages according to the three-phase voltage source;
at least a backup supply module, coupled to the plurality of power supply modules, each comprising a plurality of backup transforming modules corresponding to the three-phase voltage source, for generating the plurality of direct-current voltages corresponding to the three-phase voltage source by a backup transforming module corresponding to at least one of the plurality of major transforming modules of the plurality of power supply modules when the at least one of the plurality of major transforming modules is in an abnormal operation;
a plurality of logic control circuits, respectively coupled to each of the major transforming modules of the plurality of power supply modules, for determining whether the plurality of major transforming modules work normally or not according to a working signal of each of the plurality of major transforming modules; and
a driving circuit, coupled to the plurality of power supply modules and the plurality of logic control circuits, for driving the backup transforming module of the at least a backup supply module corresponding to the at least one of the plurality of major transforming modules according to the working signal corresponding to each of the plurality of major transforming modules, when the at least one of the plurality of major transforming modules is in the abnormal operation.

US Pat. No. 10,146,716

METHOD FOR USING SHARED DEVICE AND RESOURCE SHARING SYSTEM

Wiwynn Corporation, New ...

12. A resource sharing system, comprising:a plurality of processors;
a shared device, coupled to the processors and provided for the processors to use;
wherein one of the processors serves as an arbitrator node;
a priority sequence is established by the arbitrator node by steps comprising: setting an initial weight of each of the processors based on identification information of each of the processors; obtaining state diagnostic information of each of the processors, wherein the state diagnostic information indicates a transmission state of each of the processors to the arbitrator node and the shared device, the state diagnostic information comprises one or more state diagnostic codes, and each of the state diagnostic codes is corresponding to a state weight; and calculating a priority score for each of the processors to establish the priority sequence based on the initial weight corresponding to each of the processors and the one or more state weights corresponding to the one or more state diagnostic codes included by each of the processors; and
when the arbitrator node simultaneously receives a request for requesting an access right of the shared device transmitted by each of two or more of the processors, determining one of the processors as having the access right of the shared device based on the priority sequence.

US Pat. No. 10,398,022

ADJUSTABLE FIXING DEVICE FOR A HEAT DISSIPATING COMPONENT AND RELATED ELECTRONIC APPARATUS

Wiwynn Corporation, New ...

1. An adjustable fixing device applied to a heat dissipating component, comprising:a first connecting component having a first stopper portion;
a second connecting component detachably connected to the first connecting component, the second connecting component having a first screwing portion; and
a fixing component, having a main body, a second stopper portion and a second screwing portion, the main body comprising a first part and a second part, the second stopper portion being disposed on the first part to move relative to the first stopper portion according to rotation of the main body, the second screwing portion being disposed on the second part and configured to engage with the first screwing portion.

US Pat. No. 10,289,519

RACK MANAGEMENT SYSTEM AND RACK MANAGEMENT METHOD THEREOF

Wiwynn Corporation, New ...

1. A rack management system for managing a plurality of chassis, the rack management system comprising:at least one rack comprising a plurality of storage portions for disposing the plurality of chassis respectively;
at least one resistor cable disposed in the at least one rack corresponding to each storage portion;
a power supply module being electrically connected to the at least one resistor cable and supplying a power signal to the at least one resistor cable;
a processing module; and
a detection module only electrically connected to the at least one resistor cable and the processing module, wherein the detection module is independent from the plurality of chassis and uses the power signal supplied by the power supply module to detect whether the plurality of chassis is disposed in the plurality of storage portions and is electrically connected to a plurality of locations of the at least one resistor cable respectively, so as to generate a plurality of detection signals;
wherein the processing module obtains locations of the plurality of chassis based on the plurality of detection signals.

US Pat. No. 10,346,340

HOT SWAP CONTROL CIRCUIT AND RELATED STORAGE SERVER SYSTEM

Wiwynn Corporation, New ...

1. A hot swap control circuit, for a storage server system, comprising:a first controller configure to detect at least one of a hot remove event and a hot add event of a Non-Volatile Memory Express (hereinafter abbreviated NVMe) storage module of the storage server system, to generate a first control signal;
a Peripheral Component Interconnect Express (hereinafter abbreviated PCIe) expander coupled to the first controller, and configure to generate a detection report to a central processing unit of the storage server system according to the first control signal to report at least one of the hot remove event and the hot add event, and generate a second control signal, wherein the first control signal, the detection report and the second control signal indicate at least one of the hot remove event and the hot add event; and
a second controller coupled to the PCIe expander and the NVMe storage module, and configure to generate a forbidden read-write signal to the NVMe storage module when the second control signal indicates the hot remove event, and generate an activate read-write signal to the NVMe storage module when the second control signal indicates the hot add event.

US Pat. No. 10,340,896

ELECTRONIC SYSTEM AND SIGNAL SWITCHING CIRCUIT

WIWYNN CORPORATION, New ...

1. A signal-switching circuit for use in an electronic system, wherein the electronic system comprises a plurality of hardware circuits, the signal-switching circuit comprising:a control circuit, arranged to receive a trigger signal generated by a trigger circuit of the electronic system, and change a mode signal generated by the control circuit in response to the trigger signal; and
a switch circuit, arranged to electrically connect transmission signals from one of the hardware circuits to a test board external to the electronic system via a transmission interface of the electronic system in response to the mode signal,
wherein the trigger signal is a pulse signal,
wherein the signal-switching circuit comprises more than two operation modes, and the control circuit changes the mode signal according to the trigger signal to sequentially switch between the operation modes,
wherein the control circuit includes N serially-connected D flip-flops (DFFs), and each of the N DFFs comprises a data input pin, a clock input pin, a data output pin, and an inverse data output pin, and the inverse data output pin is connected to the data input pin in each of the N DFFs,
wherein the clock input pin of the first DFF of the N DFFs receives the trigger signal,
wherein the data output pin of each DFF is connected to the block input pin of the next DFF for each of the first DFF to the (N?1)-th DFF,
wherein the data output pin of each of the N DFFs is connected to the switch circuit.

US Pat. No. 10,394,298

ELECTRONIC DEVICE AND HOT-PLUG PROTECTION CIRCUIT

WIWYNN CORPORATION, New ...

1. An electronic device for communicating with an external device, comprising:a connector, wherein when the external device is coupled to the connector, the connecter receives a device existence voltage from the external device;
a controller, generating a first control signal and a second control signal according to the device existence voltage;
a first voltage source, providing a first voltage;
a second voltage source, providing a second voltage;
a first switch element, coupling the first voltage source or the second voltage source to the connector according to the first control signal, such that the first voltage or the second voltage is used as a supply voltage of the external device;
a third voltage source, providing a third voltage;
a fourth voltage source, providing a fourth voltage; and
a second switch element, coupling the third voltage source or the fourth voltage source to an output node according to the second control signal, such that the third voltage or the fourth voltage is used as a tunable output voltage at the output node.