Abstract:
A substrate bias potential generator for biasing a semiconductor substrate to a predetermined potential includes first and second substrate bias generating circuits which operate alternatively according to the potential of the substrate, whereby consumption of power in the substrate bias potential generator is reduced. The alternative operation of the bias generating circuits each activated by a pulse signal train is performed by using a first insulated gate transistor having a gate electrode connected to the semiconductor substrate, a second insulated gate transistor having a gate electrode for receiving the reference potential, an amplifier for differentially amplifying outputs of the first and second insulated gate transistors, an insulated gate transistor for charging an output of the amplifier to a predetermined potential when the amplifier is activated, and a circuit for transmitting the output of the differential amplifier to the first and second bias potential generating circuits. The differential amplifier is activated in response to an activation signal of a pulse train whereby an activation signal corresponding to the pulse train is transmitted to either substrate bias potential generating circuit.
Abstract:
A dynamic random access memory having a self-refresh mode comprises a memory array partitioned into four groups in which control are respectively performed and a partial activation control circuit. The four groups in the memory array are alternately refreshed two by two in an operation under the self-refresh mode. As a result, each group in the memory array is refreshed at a time interval of two times a conventional refresh interval, so that the power consumption is decreased.
Abstract:
44Gate potentials of transistors Q.sub.R0 and Q.sub.R1 provided in an active pull-up circuit APo are always controlled to be appropriate values by a clock signal .phi..sub.p. As a result, reverse flow of electric charge from a capacitor C.sub.R0 or C.sub.R1 to a bit line LB or BL can be prevented and unfavorable influence due to such reverse flow of electric charge can be avoided in operation of the active pull-up circuit APo.
Abstract:
Provided are: a capsule for non-ferrous metal collection that can collect a non-ferrous metal; and a method for collecting a non-ferrous metal using same. The capsule for non-ferrous metal collection comprises capsule contents and a covering section covering the capsule contents, and collects a non-ferrous metal within the capsule for non-ferrous metal collection by means of the capsule for non-ferrous metal collection being immersed in a solution containing a non-ferrous metal.
Abstract:
The present invention provides a complex of a metal reducing substance and a culture medium component, which is produced in the culturing process of reducing bacteria and the use thereof. The complex of the present invention is a complex produced in the culturing process of reducing bacteria and a compound of a metal reducing substance and a culture medium component. The complex is an adsorbent for quickly and efficiently adsorbing ionic substances present in a solution, and also functions as a reducing agent for reducing specific precious metal ions or platinum-group metal ions.
Abstract:
The present invention concerns a vehicle including a fuel tank, an engine to which fuel is supplied from the fuel tank, and a control device. The control device is characterized by notifying a refueling instruction corresponding to a use history of the vehicle. According to the present invention, the supply of extra fuel that can be degraded in the fuel tank can be prevented since a necessary refueling instruction is notified in accordance with the use history of the vehicle.
Abstract:
A control system of a hybrid vehicle, includes: an engine; a motor capable of driving the engine; an oil pump for supplying a lubricant oil to a lubrication requiring portion of the engine; and an engine lubrication controller configured to make the following operations in a case that a stop state of the engine continues for more than or equal to a certain period: when a vehicle stop condition that a driver has no intention of travel is established, supplying, by the oil pump, the lubricant oil to the lubrication requiring portion of the engine, and rotating the engine by the motor without igniting the engine, thereby implementing an engine lubrication control.
Abstract:
Provided are: a capsule for non-ferrous metal collection that can collect a non-ferrous metal; and a method for collecting a non-ferrous metal using same. The capsule for non-ferrous metal collection comprises capsule contents and a covering section covering the capsule contents, and collects a non-ferrous metal within the capsule for non-ferrous metal collection by means of the capsule for non-ferrous metal collection being immersed in a solution containing a non-ferrous metal.
Abstract:
A control system of a hybrid vehicle, includes: an engine; a motor capable of driving the engine; an oil pump for supplying a lubricant oil to a lubrication requiring portion of the engine; and an engine lubrication controller configured to make the following operations in a case that a stop state of the engine continues for more than or equal to a certain period: when a vehicle stop condition that a driver has no intention of travel is established, supplying, by the oil pump, the lubricant oil to the lubrication requiring portion of the engine, and rotating the engine by the motor without igniting the engine, thereby implementing an engine lubrication control.
Abstract:
A vehicle surroundings monitoring apparatus includes: a plurality of imaging units which capture an external region of a present-vehicle and output images; a display unit which is installed in an interior of the present-vehicle; a selector which selects an image to be displayed on the display unit from the images output from the imaging units; and a display control unit which displays the images output from the imaging units on the display unit so as to be switched in accordance with a selection by the selector and displays an image indicator display indicating a display region in the external region of the present-vehicle corresponding to the images so as to be switched by the selector on the display unit.