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JPS6239476B2 |
A danger alarm system, for example, fire alarm system, utilizing a plurality of detectors which are connected to a central exchange over respective call circuits, the central exchange is provided with a memory in which characteristic dat...
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JPS6239479B2 |
A danger alarm system has a plurality of call lines and a plurality of alarm circuits respectively connectible to the call lines and operable to provide signals indicative of environmental conditions about the alarm circuits. A central e...
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JPS6239478B2 |
In a danger alarm system, such as a fire alarm system, the availability of the system is increased by decentralization of the system intelligence. For this purpose, the entire system is subdivided into small system modules which are full...
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JPS6239477B2 |
A danger alarm system has a plurality of alarm circuits which are operable to provide environmental signals concerning the area about the respective alarm circuits. The alarm circuits are connected to a central exchange by way of respect...
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JPS6238899B2 |
PURPOSE:To decide the priority for the data collection and thus facilitate the easy understanding for the overall condition of the circuit, by having the comparison at the master station which monitors plural number of slave stations for...
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JPS62183654A |
PURPOSE: To decrease remarkably the waiting time if an abnormality in a house takes place frequently by checking other house for a prescribed time or a prescribed number of times when the abnormality is detected and informing abnormality...
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JPS62100043A |
PURPOSE: To supervise more number of terminal equipments in comparison with a conventional polling method by calling a terminal equipment requiring frequency grasp of information in a fast polling period within the limit of a transmissio...
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JPS6257897U |
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JPS6213197Y2 |
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JPS6252699A |
A separation type detector includes at least one pair of transmission and reception units connected through a transmission line, detects environmental abnormality according to changes in pulse beams or ultrasonic waves transmitted from t...
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JPS622739A |
PURPOSE: To eliminate the effect of the adverse connection loss of a branching device and to omit a repeater and an FM modulation stage, by using a frequency band lower than that of television to perform the transmission of signals throu...
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JPS61264498A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS61139047U |
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JPS61126393U |
A fire sensor of the polling type in which plural fire sensors connected via a common line to a central monitoring point are called in sequence in accordance with individual addresses, wherein an address setting section in the fire senso...
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JPS61177047A |
PURPOSE: To shorten the packet transmission processing time of a center and the packet receiving processing time of a terminal equipment respectively by returning responses from respective terminals equipments with the delay of a previou...
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JPS61501599A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS61141097A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6160398U |
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JPS6160399U |
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JPS6111835Y2 |
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JPS614158B2 |
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JPS6057757B2 |
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JPS60190047A |
PURPOSE: To obtain a centralized supervisory device capable of grasping easily the supervisory state of a device to be supervised in a short time by adopting the constitution that a master set transmits a data including a supervisory dat...
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JPS60109195U |
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JPS60109194U |
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JPS60124799A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6019398Y2 |
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JPS6079870U |
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JPS6077549A |
PURPOSE: To execute polling to a data observing station of plural groups with one frequency by providing priority to a data polling time. CONSTITUTION: A data polling time T1 of data observing stations 15-1∼15-3 from a supervising stat...
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JPS6058741A |
PURPOSE: To attain the efficient supervision of slave stations by allowing a supervising instruction from a master station to slave stations to be retransmitted for the number of times of retransmission suitable for the state of each sla...
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JPS6034598A |
Disclosed is an encoder/decoder interrogation system useful for determining the condition of safety shields or the like which are intended to protect users of equipment having potentially hazardous work stations. The interrogation system...
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JPS59187889U |
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JPS59218595A |
In an alarm system a central signal station periodically transmits interrogation signals, preferably in the form of infrared radiation packets to remotely located detectors which transmit a response signal back to the central signal stat...
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JPS5949637B2 |
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JPS59151385U |
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JPS59147292U |
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JPS59142894U |
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JPS59163696A |
An electric wiring system has a plurality of terminal units, a plurality of sensors connected to the terminal units by signal input lines, and a central control unit connected to the terminal units by a pair of common power supply lines,...
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JPS59140600A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5926986B2 |
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JPS59108120A |
An intelligent monitoring device (99) is specified for a plurality of power supplies (50). The monitoring device contains a microcomputer (22) which controls the inputs and outputs of the monitoring device, executes stored algorithms in ...
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JPS5980896U |
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JPS5918558Y2 |
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JPS5977596A |
An atmospheric abnormality detection system includes a command discriminator and a display/alarm circuit in each sensor terminal. When the command discriminator receives a coincidence signal from an address comparator, the command discri...
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JPS5938897A |
An improved apparatus for detecting environmental disturbances such as the occurrence of a fire, a gas leak or the like, includes a central processing unit and a plurality of terminal detectors, wherein an identification code is assigned...
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JPS5920098A |
1. A method of automatically demanding the signal measured value and the signal identification in a haxard alarm system having a central unit and at least one signal line (ML) to which a plurality of signals (M) are connected wherein dur...
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JPS5912660A |
An apparatus having a two wire system for providing both power and data communication between a master controller 22 and at least one subcontroller 29, 30, 31. The master controller 22 can also be connected through the conductors 25, 26 ...
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JPS59879B2 |
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JPS58172797A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5838338B2 |
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