摘要:
Corrupted firmware in a modem is automatically replaced. Replacement firmware is stored on a host computer. An update server executing on the host responds with firmware image in response to request from modem. Any interface port may be used to receive updated firmware, including a network interface.
摘要:
An armature for a permanent magnet brushed motor includes a shaft, a number of silicon steel laminations circumferentially around the shaft, a commutator adjacent to an end of the shaft, and an enameled wire winding wound around the silicon steel laminations and the commutator. A plastic sleeve capable of withstanding high temperature is disposed between the commutator and the silicon steel laminations and adjacent to the commutator. A plastic member wraps around where the enameled wire winding winds the commutator, and fixedly attaching to the plastic sleeve. As such, the plastic member establishes a first point of attachment at where the enameled wire winding winds the commutator and a second point of attachment to the plastic sleeve. The problem of the enameled wire winding being loosed or broken due to the armature's high-speed rotation is prevented, thereby enhancing the motor's robustness and operational life.
摘要:
Disclosed is a pressure gauge device featuring setting for automatic supply and termination of pressure, which includes a pressure gauge, a rotary knob, a rotary knob conductive piece, a rotary knob indicator, and a control device. The pressure gauge includes a hand sweep zone and an electrically conductive indication hand is arranged in the hand sweep zone. The pressure gauge includes a resetting conductive piece. The rotary knob is coupled to the rotary knob conductive piece and the rotary knob indicator and is set outside an outer circumference of the hand sweep zone of the pressure gauge. The resetting conductive piece and the rotary knob indicator are each set in the hand sweep zone and located on a rotation path of the indication hand. The resetting conductive piece and the rotary knob indicator are each in electrical connection with the control device.
摘要:
A power supply switch apparatus includes a main outlet, first and second load outlets, a manual switch, and first and second electronic switches. The positive terminal of the main outlet is connected to the positive terminal of the first load outlet and connected to the second terminal of the first electronic switch. The third terminal of the first electronic switch is connected to the positive terminal of the second load outlet. The first terminal of the first electronic switch is connected to the second terminal of the second electronic switch and connected to a voltage terminal through a first resistor. The third terminal of the second electronic switch is grounded. The first terminal of the second electronic switch is connected to the voltage terminal through the manual switch and a second resistor in that order, and grounded through a third resistor.
摘要:
An EEPROM includes a substrate, a first semiconductor layer and a second semiconductor layer formed on the substrate. The first semiconductor layer is isolated from the second semiconductor layer by a trench. A first source and a first drain are located at two opposing sides of the first semiconductor layer. A first dielectric layer is formed on the first semiconductor layer, and a first floating gate is formed on the first dielectric layer. A second source and a second drain are located at two opposing sides of the second semiconductor layer. A second dielectric layer is formed on the second semiconductor layer, and a second floating gate is formed on the second dielectric layer. The first floating gate and the second floating gate are electrically connected.
摘要:
An active matrix organic light emitting diode (AMOLED) panel is disclosed. The AMOLED panel comprises a pixel array, a temperature sensor and a feedback control circuit. The temperature sensor measures the temperature of the AMOLED panel. The feedback control circuit decides the driving current of the AMOLED panel according to the temperature of the AMOLED panel. Since the driving current is inversely proportional to the measured temperature of the AMOLED panel in the present invention, the possibility of subjecting the AMOLED to too high in a temperature and a current is avoided and the lifetime of the AMOLED can be increased.
摘要:
A control circuit for use in an active matrix organic light emitting diode (AMOLED) panel comprising a memory unit and a voltage control unit is provided. The operating time of the AMOLED panel is counted and saved by the memory unit. According to the memory unit's information, the voltage control unit decides a common voltage. The purpose of the present invention is to reduce the common voltage when the turn-on time of the AMOLED panel is increased so that the increase in the voltage difference between the two terminals of an organic light emitting diode (OLED) of the AMOLED panel may be compensated. Thus, the present invention may provide a stable driving current for the OLED and a stable picture definition for the AMOLED panel.
摘要:
An electric distributing system includes at least two electrical tracks and an electrical connector. Each electrical track includes a track body having two opposite ends, at least one of which is provided with a retaining hole, and at least two track wires disposed in the track body. The electrical connector includes a housing having at least two connecting end portions that interconnect the electrical tracks, and at least two conductive wire units disposed in the housing and connected electrically and respectively to the track wires. At least one of the connecting end portions has an engaging member projecting therefrom and engaged to the retaining hole.
摘要:
A display apparatus comprises a pixel array, a front-end circuit, a test circuit, and an enable circuit. The test circuit tests the pixel array. The enable circuit determines whether to enable the test circuit in response to a predetermined voltage. After the pixel array is tested, the predetermined voltage is provided by the front-end circuit to disable the test circuit.
摘要:
A receptacle includes: a receptacle housing defining a pair of prong-inserting slots for extension of a pair of prongs of a plug therethrough and into the receptacle housing; a pair of conductive terminals mounted in the receptacle housing and adapted to be connected to the prongs of the plug; and a lock unit including a latch mounted movably in the receptacle housing and operable to move between a locked position, in which the latch is adapted to engage one of the prongs of the plug, thereby preventing undesired removal of the plug from the receptacle housing, and an unlocked position, in which the latch is adapted to disengage the plug, thereby permitting removal of the plug from the receptacle housing.