Abstract:
An apparatus for testing an IEEE1394 port of a motherboard test device includes an IEEE1394 connector, a cable transceiver arbiter connected to the IEEE1394 connector, a first converting chip connected to the cable transceiver arbiter, a second converting chip connected to the first converting chip, and a flash chip connected to the second converting chip. The controller receives IEEE1394 signals from the connector, the first converting chip and second converting chip cooperate to convert the IEEE1394 signals to flash signals, the flash signals are stored in the flash chip. The first converting chip and the second converting chip also cooperate to convert the flash signals to the IEEE1394 signals, the connector outputs the IEEE1394 signals through the controller. A method for testing an IEEE1394 port of a motherboard test device is also provided.
Abstract:
An exemplary system for testing light emitting diode (LED) panel is disclosed. The system includes: a symbol arranging module (12) for arranging a group of symbols; an input/output module (14) for outputting a symbol and corresponding number of lightening LEDs displayed on the LED panel, and receiving a symbol and the number of corresponding lightening LED input by a test engineer; a comparing module (16) for comparing the output data with the received data and computing a test result; a test result displaying module (18) for displaying the test result. A related method is also disclosed.
Abstract:
A method for updating factory default settings and boot loaders in an embedded system is disclosed. The method includes the steps of: recording factory default settings to each partition of a flash memory; installing the flash memory in the embedded system and doing function tests; generating a new boot loader comprising NVRAM variables; modifying a parameter of the NVRAM variables; and updating the new boot loader to the flash memory. The invention can be used to update boot loaders or a firmware, and generate new boot loaders based on documents modified by a user.
Abstract:
An electronic device capable of communicating with a plurality of servers includes a storage unit, a vibration unit, a control unit, and a communication unit. The storage unit stores a vibration threshold value. The vibration sensor senses a vibration magnitude of the electronic device. The control unit generates control signals and transmits the control signals to the servers via the communication unit to direct the servers to take certain actions to protect data when the vibration magnitude sensed by the vibration sensor is equal to or greater than the vibration threshold value.
Abstract:
A food storage container comprises a body for containing food, a cap, and an alarm module provided on one side of the body. The alarm module comprises a switch, a control unit to set an expiration date, a timing unit to show a present date and a present hour and to time, a buzzer, and a processing unit to obtain a time period difference between the present date and the expiration date. The body and the cap provide air-tight effect of food. When a time duration between the present date and the expiration date is smaller than a predetermined value, the buzzer will sound and issue notification that the food inside the container will be expired.
Abstract:
A system for testing redundancy and hot-swapping capability of a redundant power supply includes a power switch fixture, a system under test (SUT), and a computing device. The power switch fixture includes a processor, an alternating current (AC) source, a first relay, a second, and two AC outputs. The processor is configured for controlling the AC source to output voltage to the two AC outputs by switching one of the first and the second relay on and the first and the second relay off, so as to ensure that one of the first power supply and the second power supply is operable to provide power to the SUT. The SUT includes a redundant power supply that includes a first power supply and a second power supply. The computing device includes a test control unit for testing redundancy and hot-swapping capability of the redundant power supply.
Abstract:
A method tests peripheral component interconnect express (PCI-E) switches. A second PCI-E switch to be tested electronically connects to a first PCI-E switch of a computing device. A first data packet is created by the computing device and sent from the first PCI-E switch to the second PCI-E switch. A second data packet sent back by the second PCI-E switch is received by the computing device. The second PCI-E switch works normally if the first data packet is identical to the second data packet. The second PCI-E switch does not work normally if the first data packet is not identical to the second data packet.
Abstract:
An alarm system includes a number of radio frequency identification (RFID) tags, an RFID reader, a warning unit, and a control module. The RFID reader receives radio-frequency signals from some of the number of the RFID tags via an antenna when the some of the number of the RFID tags are in a determined area around the RFID reader. The control module activates the warning unit when a radio-frequency signal from at least one of the number of RFID tags is not received by the RFID reader.
Abstract:
A button includes a keycap made of transparent material and including a first side surface and a second side surface opposite to the first side surface, a light guide block set on the first side surface of the keycap, and an ultraviolet lighting element set on the first side surface to emit ultraviolet light. Ultraviolet light emitted by the ultraviolet lighting element may enter into the light guide block, then is reflected by the light guide block to pass through the keycap to arrive to the second side surface of the keycap.