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JPH0326937B2 |
PURPOSE:To constitute a fire alarm system without increasing considerably the number of repeaters, even if the fire alarm system becomes large in scale and the number of circuits increases, by utilizing effectively to the maximum a contr...
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JPH0375900A |
PURPOSE: To enable the check on fixed-time warning data at optional time in center, and to prevent the generation of delay in the acceptance of abnormal ity warning data by adding a sub-center (master) function to every emergency communi...
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JPH0353290A |
PURPOSE: To shorten the time from input to display by quickly performing the processing of recognition of the state input from a sensor switch and display of state data in each input/output control part. CONSTITUTION: The state signal fr...
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JPH0349351A |
PURPOSE: To eliminate the need for the installation of a new private line by providing a means sending a signal representing the occurrence of a security object event to a relevant telephone line at the occurrence of the security object ...
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JPH0311591B2 |
A process of remote transmission of signals issued by at least one sensor over a transmission line, wherein the power necessary to supply the sensor is transmitted by that line in the form of an alternating current signal of approximatel...
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JPH0334096A |
PURPOSE: To make a data acquisition system small-sized and portable by using a microprocessor, whose input one or more detectors are connected to, to collect and store various detected environment information. CONSTITUTION: After a statu...
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JPH0324697A |
PURPOSE: To reduce labor required for setting up addresses and to shorten the setting time by decoding an address setting request signal transmitted from a terminal by a controller device, automatically setting up the address of the term...
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JPH02310699A |
PURPOSE: To detect the occurrence of a fire in its early stage, and to expand the scale of a system by transmitting a multiplex transmission signal for calling a sensor connected to the line of a repeater and making it return sense infor...
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JPH0246954Y2 |
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JPH02143698U |
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JPH02284295A |
PURPOSE: To complete accident prevention by repeatedly generating an alarm at intervals of a prescribed time at the time when the state variable of a process approaches a limit value set on the danger side beyond the upper limit or lower...
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JPH0250520B2 |
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JPH02253498A |
PURPOSE: To freely change the specification of interlock control without changing a control program in a receiver side by setting the address of a sensor, which is connected to the sensor connecting terminal of a repeater, corresponding ...
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JPH02253497A |
PURPOSE: To obtain a concentrated monitoring system for preventing disaster, which can be easily designed and changed, by defining a sensor, which does not have all addresses connected to the same monitoring line at all, and a sensor hav...
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JPH02244398A |
PURPOSE: To optimize the number of bits of a new address according to the scale of an object to be set, etc., and to improve the transmission efficiency by performing polling operation from a center monitor and control equipment accordin...
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JPH02239400A |
PURPOSE: To correctly and effectively grasp and record the behavior of an alarm and to enable restoring processing by integrating the number of times of the continuous detection of the alarm, determining an alarm level and executing an a...
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JPH02234298A |
PURPOSE: To effectively detect an accident by supervising plant facility equipment according to the degree of secular deterioration in a suitable cycle. CONSTITUTION: A facility accident detecting device 3 is provided with a supervising/...
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JPH02230399A |
PURPOSE: To dissolve a problem of complicted wiring by providing a repeater of serial transmission system between a computer and a sensor, performing the transmission of information between a device which performs sensor control, monitor...
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JPH02201599A |
PURPOSE: To judge the presence and absence of disconnection between a reception part and a terminal without fail by successively calling the plural terminals by the reception part, requesting to send specified information and receiving t...
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JPH0235359B2 |
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JPH0233199B2 |
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JPH02184997A |
PURPOSE: To avoid confusion in a master station by transmitting abnormality detected signals from respective subordinate stations after respective specified time lengths, which are previously and separately determined for the respective ...
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JPH0231439B2 |
When a receiver supplies both an address signal and a test instruction signal to a given terminal unit, a test voltage generator forming a sensor test circuit of this terminal unit supplies a predetermined test voltage to a corresponding...
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JPH0231437B2 |
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JPH0230557B2 |
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JPH0230555B2 |
A fire alarm system has a main unit and a plurality of sensor terminals in accordance with a polling system. The plurality of sensor terminals are divided into a plurality of groups. When a given sensor terminal of a given group is acces...
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JPH0225238B2 |
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JPH02121098A |
PURPOSE: To reduce the number of installed analog sensors by setting an address by making one or plural ON/OFF sensors to be subordinately connected to a single analog sensor into one group in a wide warning area. CONSTITUTION: For the w...
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JPH0219520B2 |
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JPH02111196A |
PURPOSE: To connect a central unit to all function units by a simple method by sending a command signal on a two-wire line only for a previously determined 1st period and penerating a response signal on the two-wire line in the previousl...
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JPH0217839B2 |
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JPH0217838B2 |
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JPH0215919B2 |
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JPH0293899A |
PURPOSE: To make it easy to specify a disaster occurrence place by connecting detector integrated circuits in series and connecting them to a center device, and displaying various information on the center device. CONSTITUTION: An electr...
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JPH0290295A |
PURPOSE: To simplify the constitution of connection of terminal equipments to be monitored and controlled by monitoring and controlling the terminal equipment by using a multiplex transmission signal transmitted from a multiplex transmis...
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JPH0242198U |
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JPH0210625B2 |
PURPOSE:To improve the reliability of receiving data through a transmission line with low quality by combining and identifying the results of receiving signals sampled by a data collecting device in plural timings delayed from a synchron...
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JPH029436Y2 |
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JPH0262700A |
PURPOSE: To efficiently and remotely drive-control plural terminal equipment without increasing power capacity by controlling a current value to be applied to a power line so that the current value never exceeds the permissible power cap...
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JPH0259997A |
PURPOSE: To attain backup processing by automatically switching an ON-OFF signal transmitting circuit part into an active state when the multiple signal generating and notifying circuit part of a sensor is failed or when a multiple signa...
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JPH028359B2 |
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JPH0243700A |
PURPOSE: To shorten time for a system operation by making the condition of each terminal equipment constant, detecting the condition by means of a communication with a central supervisory equipment, obtaining the logical address of the t...
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JPH02500305A |
An aircraft security system includes a central control unit, several remotely located cluster controllers and a plurality of intrusion sensors associated with and controlled by each cluster controller. A two-wire bus carries power from t...
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JPH021673Y2 |
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JPH02759B2 |
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JPH02758B2 |
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JPH01310500A |
PURPOSE: To obtain information at a high density by extracting a characteristic from the detailed analog information of a sensor obtained in a polling cycle with a sensor and concentrating the characteristic to data at a small length, an...
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JPH0158556B2 |
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JPH0142235Y2 |
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JPH0157399B2 |
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