Abstract: A wearable device assembly has a housing supporting a controller, display and indicator system thereon. The controller has at least one sensor wherein activity of a user wearing the device is detected. The controller selectively illuminates the indicator system to indicate a level of activity of the user.

Abstract: A wearable device assembly has a housing supporting a controller, display and indicator system thereon. The controller has at least one sensor wherein activity of a user wearing the device is detected. The controller selectively illuminates the indicator system to indicate a level of activity of the user.

Abstract: A wearable device assembly has a housing supporting a controller, display and indicator system thereon. The controller has at least one sensor wherein activity of a user wearing the device is detected. The controller selectively illuminates the indicator system to indicate a level of activity of the user.

Abstract: A gas extraction device for a fluid delivery apparatus includes a first layer and a vent membrane coupled to the first layer. The vent membrane enables a gas to pass through the vent membrane and prevents a fluid from passing through the vent membrane. The gas extraction device also includes a second layer coupled to the vent membrane opposite the first layer. The second layer has a first channel formed therethrough. In addition, the gas extraction device includes an impermeable membrane coupled to the second layer opposite the vent membrane. The first channel is configured to receive a fluid having a gas dispersed therein. The fluid is pressurized to move the fluid through the first channel against the vent membrane and to move the gas through the vent membrane.

Abstract: A method for for assessing severity of an underwater dive includes calculating a dive severity index by: (a) determining the gas breathed by the diver; (b) measuring the dive time; (c) determining the depth profile of the dive; (d) calculating a dive severity index based on a function of steps (a), (b) and (c); and (e) assessing severity based on the dive severity index calculated in step (d), wherein the steps (a), (b), (c), (d) and (e) are carried out in real time, at each instant of the dive time of the diver, and step (d) is performed according to the formula: DSI=k1*f(GAS)*f(D)*f(T), where: DSI is the dive severity index, k1 is an arbitrary constant, f(GAS) is a function of the inhaled gas, f(D) is a function of the dive depth, and f(T) is a function of the dive time.

Abstract: A user interface enhancement system that includes a sheet that defines a surface and at least partially defines a fluid vessel arranged underneath the surface, a volume of fluid contained within the fluid vessel that cooperates with the sheet to transmit an image through the sheet without substantial obstruction, a displacement device that influences the volume of fluid within the fluid vessel to expand and retract at least a portion of the fluid vessel, thereby deforming a particular region of the surface, and an attachment component that couples the sheet to the device is disclosed.

Abstract: The present invention relates to a system, method and software for monitoring a diver comprising: a topside monitoring system 13 on a vessel comprising a receiver for receiving data from at least one diver 12, the data being transmitted using an acoustic modem 207 and specifying information relating to the diver 12, wherein the information relating to the diver comprises the depth of diver, a computer for processing the data 101, and a user interface 111 for conveying the information and the elapsed time of dive to a dive supervisor so that the dive supervisor can manage the dive.

Abstract: An enhanced dive computer functionality providing a diver positioning system integrated into a dive computer and a modified Display Integrated Vibrating Alarm device controlled by the dive computer to allow for decompression integrated guidance and a buddy signalling device. The diver positioning system allows for automatically determining the diver's position by tracking the diver's location in three dimensions within a water column, or portion of the body of water in which the diver operates bounded by the surface and the maximum dive depth, during a dive. A modified Display Integrated Vibrating Alarm allows for guiding a diver through a controlled decompression ascent and a method for automatically warning companion or nearby divers of imminent danger of injury or death to a subject diver.

Abstract: A probe for measurement of water temperature profiles is disclosed herein. In various aspects, the probe may include an electronic assembly and a housing over-molded upon at least portions of the electronic assembly to sealingly enclose the portions of the electronic assembly. The electronic assembly may include a pressure sensor to measure a pressure value indicative of a water depth, and a temperature sensor to measure a water temperature value indicative of a water temperature, a communication interface. Methods of manufacture of the probe are also disclosed herein.

Abstract: The present invention relates to a system, method and software for monitoring a diver comprising: a topside monitoring system 13 on a vessel comprising a receiver for receiving data from at least one diver 12, the data being transmitted using an acoustic modem 207 and specifying information relating to the diver 12, wherein the information relating to the diver comprises the depth of diver, a computer for processing the data 101, and a user interface 111 for conveying the information and the elapsed time of dive to a dive supervisor so that the dive supervisor can manage the dive.

Abstract: A gravitational fluctuation stress loading method capable of causing a new acute stress reaction in a subject or a laboratory animal is provided. A gravitational fluctuation stress loading method including at least one first stress-loading step (S1) of placing a stress load on the subject or the laboratory animal by means of microgravity is provided.

Abstract: A dummy for simulating human physical behaviour during a test, comprising artificial human body elements that are mutually connected, the body elements having deformation properties, wherein a deformation property of a body element is actuatably variable. The dummy comprises an actuator for varying a deformation property. The actuator may comprise a fluidic driver.

Abstract: The present invention relates to a system, method and software for monitoring a diver comprising: a topside monitoring system 13 on a vessel comprising a receiver for receiving data from at least one diver 12, the data being transmitted using an acoustic modem 207 and specifying information relating to the diver 12, wherein the information relating to the diver comprises the depth of diver, a computer for processing the data 101, and a user interface 111 for conveying the information and the elapsed time of dive to a dive supervisor so that the dive supervisor can manage the dive.

Abstract: An activity monitor is provided that reduces the amount of power consumed during a monitoring operation.

Abstract: Dive computer with at least one measuring device for detecting measured variables, at least one memory device, at least one computing device, at least one data transmitter, and one display device for displaying information. The memory device has at least one first area and at least one second area in which data are stored that are allocated to at least one first or at least one second user. There is also a selector for selecting the user to whom the data currently detected by the measuring device are allocated.

Abstract: The invention relates to a vibration dosimeter (2) and a method for determining the daily vibrational loading of persons who are exposed to mechanical oscillations at their place of work due to the operation of a work means and in particular of a manually operated electronic tool (4, 6). What is provided is that the dosimeter (2) comprises a determination device (12, 18) for determining the effective daily operating duration of the work means (4, 6), a computer device (22) for calculating a daily work time until a specified trigger value or exposition limit value of the vibrational loading is reached from a work-means-typical vibration value and the trigger value or exposition limit value, and a comparison device (24) for comparing the determined effective daily operating duration of the work means with the calculated daily work time until the specified trigger value is reached.

Abstract: The present invention is directed to a passive ascent rate monitor that is operable to determine a diver's rate of ascent and generate a signal indicative of the determined ascent rate. In one embodiment, the ascent rate monitor outputs graduated audible signals that correspond to a plurality of ascent rate ranges. In another embodiment, the ascent rate monitor generates private audible ascent rate signals allowing a diver to determine their own ascent rate without necessarily outputting signals that may be heard by and/or interfere with their dive partners.

Abstract: Dive computers and methods of logging information including position, audio and video information are disclosed. In one embodiment, the invention includes a processor, a global positioning system receiver connected to the processor and a pressure transducer connected to the processor.

Abstract: A mathematical model that models gas exchange of a central compartment with an environment having a model gas is provided. The central compartment is modeled to be in direct fluid communication with a plurality of peripheral compartments and with the environment to exchange the model gas therewith. Using a measure of an inert gas in a breathing mixture over a period of exposure of a person to the breathing mixture as a measure of the model gas in the environment over the time period, a measure of the model gas in the central compartment can be calculated according to the model. A risk of decompression sickness to the person resulting from the exposure can then be calculated based on the calculated measure of the model gas in the central compartment.

Abstract: There is provided an activity recognition apparatus for detecting an activity of a subject. The apparatus includes: a sensor unit including a plurality of linear motion sensors configured to detect linear motions and a plurality of rotational motion sensors, the linear motions being orthogonal to each other, the rotational motions being orthogonal to each other; and a computational unit configured to receive and process signals from the sensors included in the sensor unit so as to detect an activity of the subject. The sensor unit is directly or indirectly supported by the subject with an arbitrary orientation with respect to the subject. The computational unit performs a calculation that uses the signals from both linear motion sensors and rotational motion sensors to determine the activity of the subject independent of the orientation of the sensor unit.

Abstract: A diving computer is provided. The diving computer includes a computer connected to a dot matrix screen to display information concerning a dive. The computer has an interface to an external personal computer for reprogrammably configuring the information displayed on the screen. The user may customize the information on one or more views of the screen in several ways. The user may select the desired information to be displayed, and may customize the size and placement of the information on one or more views. The diving computer also has a number of pre-programmed displays that may be selected, each of which present different layouts and organizations of diving related information.

Abstract: An activity monitor is provided that can be cheaper and require lower power than existing activity monitors. A single output channel from a plurality of motion sensors is provided and monitored intermittently.

Abstract: The invention disclosed herein employs an algorithm, the Gas Formation Model (“GFM”), to calculate the formation of free gas in a human body. The GFM is based on a novel theory of the formation of free gas relative to the physiology of the human cardiovascular system. Additionally, the GFM utilizes a novel means for the solution of integro-differential equations, the type of equations that derive from the introduction of physiological parameters. GFM-based dive computers utilize novel inputs, including a measure of exercise at depth to reflect the state of an individual's cardiovascular system. GFM-based dive computers also produce novel outputs, including the actual volume of free gas present in a diver's cardiovascular system. The GFM is implemented as a practical computational tool by means of a incorporating the algorithm into a dive computer.

Abstract: Aspects of the present disclosure include an easy to use electronic no-decompression table for use in recreational dive planning in order to avoid decompression sickness. In one embodiment, the electronic no-decompression calculator is a portable handheld unit. The user is requested to enter at least one relevant piece of information about a dive and that information is used to automatically compute depth, bottom time, and surface interval time limits as well as pressure group categorizations. In one embodiment, an information tablet is provided with information relevant to planning a dive.

Abstract: An apparatus and method for testing components of a joint replacement device in desired articulation relative to one another under a load, include: a first unit or step operable to impart undulating orientations of a first member of the joint replacement device; and a second unit or step operable to locate a second member of the joint replacement device proximate to the first member of the joint replacement device such that an articulation surface of the second member engages an articulation surface of the first member for movement in response to the undulating orientations of the first member, wherein at least one of: (i) the second unit is operable to automatically adjust the location of the second member of the joint replacement device in response to lateral forces exerted by the first member on the second member, and (ii) the apparatus and method include a third unit or step operable to impart rotational displacement to the first member of the joint replacement device such that the articulation surface of

Abstract: An activity monitor is provided that corrects for the effects of motion external to the entity being monitored. For example, the activity monitor can overcome the effects of vehicular travel.

Abstract: A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm.

Abstract: A tactile sensor device is disclosed that can be used for high resolution tactile sensing. The sensor may be used as a tactile shear sensor. It comprises a circuit substrate; an array of contact pads on the circuit substrate, and a set of nanowires attached to each of the contact pads. The contact pads may be isolated or formed from a matrix of interconnecting strips of material. Each set of nanowires comprises at least one and preferably a plurality of nanowires that are desirably vertically aligned and equal in length. When an object contacts at least one of the plurality of sets of nanowires, it causes at least one set of nanowires to bend and make contact along a portion of the length thereof with at least another set of nanowires. The position and movement activity of the object can be sensed by electrically interrogating pairs of contact pads to determine whether a connection has been made between them.

Abstract: An apparatus for measuring the effect of strangulation. The apparatus includes a model of a human having an artificial neck, and at least one sensor for measuring physical characteristics of the artificial neck during application of an applied force on the artificial neck. In one aspect, the model further includes a circulation system for circulating a fluid, and the at least one sensor includes a plurality of flow sensors to measure a flow of the fluid in the circulation system at predetermined locations and a plurality of pressure sensors to measure a pressure of the fluid in the circulation system at predetermined locations. In another aspect of the invention, the model includes a closed tube, and the at least one sensor includes a pressure sensor to measure the pressure of the air in the closed tube. The invention also includes a method for measuring the effect of strangulation on a model of a human.