Abstract: A black out correction device according to the present invention comprises a correction level storage, a comparator and a selector. The correction level storage memorizes a signal level equal to an original signal level of a sampled signal outputted from an image sensing device when a black out is generated in a video created based on the sampled signal as a high-brightness clamping level. The comparator compares the signal level of sampled signal to a reference level for judging whether or not the black out is generated. The selector selects and outputs the high-brightness clamping level when a result of the comparison by the comparator shows that the signal level falls below the reference level, while selecting and outputting the sampled signal when the comparison result shows otherwise.

Abstract: An image pickup device according to the present invention comprises at least a strobo for illuminating a photographic subject, a solid imaging element having a plurality of pixels disposed in a two-dimensional matrix shape, a strobo light emission control circuit for controlling the strobo and a sensor drive circuit for controlling storage/readout of a charge of the solid imaging element, wherein the strobo light emission control circuit controls the strobo so that the pre-strobo light emission is carried out prior to the real strobo light emission, and the sensor drive circuit controls the solid imaging element so that the charges stored in the plurality of pixels are mixed and read during the pre-strobo light emission per a predetermined number of pixels.

Abstract: A pipe-lined data processor system comprising a plurality of processors interconnected in the form of a pipe line, a plurality of memory apparatus connected to each of the processors through output data buses for supplying data to the processors or storing data from the processors, and a control board connected to the memory apparatus through input data buses for managing the operation sequences of the processors and the memory apparatus, wherein the plurality of memory apparatus comprise each a main memory for storing the data to be processed as predetermined by the processors or the data having been processed as predetermined by the processors, a buffer memory for temporarily storing the data, first control means for controlling the timing of input/output of the data between the main memory and the buffer memory, and second control means for controlling the timing of input/output of the data between the buffer memory and the input/output buses.

Abstract: A signal transmitting junction unit for a hazard alarm system includes a signal transmission control unit, a zone line circuit connected to an electric source and having at least one hazard sensor connected thereto and an analog digital convertor; and the zone line circuit outputs the source voltage when a sensor connected to the zone line detects a hazard, outputs a voltage between the source voltage and the zero voltage when the sensor is under the normal monitoring standby condition, and outputs no voltage when the sensor is out of order upon calling from the central control unit and the voltage is digitized by the analog-digital converter and sent back to the central control unit through the transmission control unit.

Abstract: There is disclosed a fire alarm system wherein a plurality of fire detectors are connected to each alarm line and a light emission diode is connected in series between an alarm line and an electric source, said light emission diode indicating the actuation of any of the fire detectors, said system being capable of monitoring the alarm lines for breakage or disconnection without interruption of its fire monitoring function. This fire alarm system comprises a pulse oscillator; a switching circuit; a voltage detection circuit; two light emission diodes; a delay circuit; means for forcibly turning on the switching circuit; a capacitor; and a high resistance resistor.