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31 results about "Monitors physical parameters" patented technology

Remotely deployed optical fiber circulator

Fiber-optic-based systems and methods for monitoring physical parameters using a remotely deployed circulator are disclosed. In a preferred embodiment the circulator is remotely deployed with respect to an optical source / detector and coupled thereto by two dedicated fiber optical cables: a forward line for passing light from the source through the circulator to fiber-optic-based sensors, and a return line for passing light reflected from the sensors through the circulator back to the detector. By using separate forward and return lines in conjunction with the circulator, backscattering phenomenon experienced on the forward line will not interfere with the reflected light signals coming from the sensors. The circulator, and hence the sensors, may therefore be remotely deployed from the source / detector present at a monitoring station, greatly expanding distances which optical sensing systems can span.
Owner:OPTOPLAN

Foundation ditch monitoring method in construction engineering

The invention discloses a foundation ditch monitoring method in construction engineering. The foundation ditch monitoring method comprises the following steps that relative information of site surveyand collection is processed and input in the construction engineering foundation ditch monitoring system, and a foundation ditch monitoring scheme is developed based on monitoring requirements, specifications and regulations; measuring points are arranged, a soil and water pressure monitoring element, a sensor, an inclinometer pipe and a layered settlement pipe are embedded to monitor physical parameters of exterior-protected construction deformation and internal force, terrain movement and ground surface subsidence; early warning value degree is preset, the early warning value degree comprises deformation or internal force magnitude and change rate thereof; project data automatically collected and monitored by an on-site terminal are collected and uploaded automatically, analysis and processing are carried out by a central processing unit based on the uploaded data, and curve diagrams and monitoring reports are formed; the curve diagrams and monitoring reports are stored in a storagemodule and history memory is formed; and the curve diagrams and monitoring reports are printed by a printing module. Real time monitoring is achieved, and the state of the foundation ditch in the construction engineering can be reflected accurately and timely.
Owner:CHONGQING WATER RESOURCES & ELECTRIC ENG COLLEGE

Wireless telecommunications system adaptable for patient monitoring

A wireless network having an architecture that resembles a peer-to-peer network has two types of nodes, a first sender type node and a second receiver / relay type node. The network may be used in a medical instrumentation environment whereby the first type node may be wireless devices that could monitor physical parameters of a patient such as for example wireless oximeters. The second type node are mobile wireless communicators that are adapted to receive the data from the wireless devices if they are within the transmission range of the wireless devices. After an aggregation process involving the received data, each of the node communicators broadcasts or disseminates its most up to date data onto the network. Any other relay communicator node in the network that is within the broadcast range of a broadcasting communicator node would receive the up to date data. This makes it possible for communicators that are out of the transmitting range of a wireless device to be apprized of the condition of the patient being monitored by the wireless device. Each communicator in the network is capable of receiving and displaying data from a plurality of wireless devices.
Owner:SMITHS MEDICAL ASD INC
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