44 results about "Dive computer" patented technology

The invention comprises a waterproof housing, which protects and allows operation of a hand held computer 40 (FIG. 2) while underwater, an electronic dock 38 (FIG. 2) which interfaces with said computer, a pressure resistant user interface, and a software application installed on said computer which allows interaction with and access to native sensors and electronics for the purpose of providing a multifunctional diving apparatus. The invention provides function of an underwater camera and dive computer and associates collected sensor data with a dive event to automatically generate a dive log. Additionally the invention provides a novel touchscreen interface 85 (FIG. 10) suitable for underwater use.

Embodiments of the invention provide a system, apparatus and methods for underwater voice communication between a diver and an underwater electronic device. In many embodiments, the system includes a dive computer which generates audio signals corresponding to spoken messages and a mouthpiece apparatus having an acoustic transducer that conducts sound via conduction through the diver's teeth and skull to the cochlea so as to allow the diver to hear the messages and other sounds and a microphone for sensing the diver's voice. The mouthpiece is adapted to be easily attached to portions of a SCUBA or other underwater breathing apparatus. It may also be attached or integral to a snorkel or similar apparatus.

A dive computer that includes heart rate monitoring capability is provided. The heart rate monitoring is accomplished by a belt that fits around the diver's chest, and the information is wirelessly transmitted to the dive computer. The heart rate information may be displayed during and after a dive, and the dive computer may selectively utilize the monitored heart rate information to compensate the decompression algorithm based on workload during the dive. The dive computer can also utilize the monitored heart rate information to compensate the decompression algorithm based on workload on the surface before and / or after the dive for no fly and repetitive dive calculations.

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.

Dive computers in accordance with embodiments of the invention are disclosed. One embodiment includes a microprocessor, a pressure transducer connected to the microprocessor, a microphone connected to the microprocessor, a speaker connected to the microprocessor, a telephone transceiver connected to the microprocessor, a GPS receiver connected to the microprocessor and a display. In addition, the microprocessor, pressure transducer and display are configured to display information concerning the dive computer's depth of submersion, the microprocessor, microphone, speaker and telephone transceiver are configured to enable the dive computer to be used as a telephone handset, and the microprocessor is configured to obtain GPS coordinates from the GPS receiver. In a further embodiment, the microprocessor, the microphone, the speaker, the telephone transceiver, the display, and the GPS receiver are components of a mobile phone handset including an external connector for communicating with external devices, the pressure transducer is packaged separately from the mobile phone handset and the pressure transducer packaging includes a connector configured to mate with the external connector of the mobile phone handset creating a connection between the pressure transducer and the microprocessor, and the mobile phone handset and the pressure transducer are contained within a waterproof housing. In addition, a software application installed on the mobile phone handset configures the microprocessor to record information concerning the dive computer's depth and time of submersion in a dive log.

The invention relates to a system and a method for enabling a wireless device to communicate with a portable computer over an inductive link. The portable computer is provided with a receiving unit for receiving data over said inductive link, and with a proximity detector for detecting proximity of a wireless device sending data over said inductive link. The processing of the data sent from the wireless device in said portable computer is enabled by a signal indicating a detected proximity of said wireless device. The portable computer may be a dive computer which includes a receiver unit capable of receiving sensor information from a pressure sensor an inductive link, and a proximity detector capable of sensing the proximity of the pressure sensor over the inductive link.

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.

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.

Dive computers incorporating a variety of features are disclosed. One embodiment of the invention includes a dive computer including a microprocessor, memory configured to store a software application, a pressure transducer configured to determine depth information, and a communications device configured to communicate with external devices, wherein the software application configures the microprocessor to create a dive log stored in memory, wherein the dive log includes recorded information including depth of submersion information recorded from the pressure transducer, and transmit the dive log using the communications device.

There is disclosed herein a water tight submersible electronic device, such as a dive computer or a dive watch, comprising a case, a bezel, and glass through which a display can be viewed. The glass, case and bezel can all be different materials. The bezel is affixed to the case, in a permanent or removable manner, and has an opening for the glass and an electronic display. The electronic display is positioned under the glass and within the electronic device. For example, the glass is separated from and locked to the bezel by at least a locking ring, a shock absorber and / or a gasket. As such the glass can be free floating so that it and the bezel can deform under pressure without being damaged or causing damage to each other while maintaining a water tight connection.

If the diving mode is erroneously entered while travelling at a high altitude, such as when flying in an airplane, the error is detected so that calculating tissue in / out-gassing of inert gases continues. The control unit 50 of the dive computer records the water depth corresponding to the pressure measured by the depth measuring unit 61 together with the elapsed time, determines if the user is moving in a low pressure region based on water entry detection by a water entry detection unit and the depth detected by the depth measuring unit 61, and if the user is determined to be travelling in a low pressure region cancels measuring the water depth, cancels the wrongly selected operating mode, and changes from the operating mode used when diving to an operating used when not diving.

A dive computer system that utilizes a direct skin temperature measurement is provided. The dive computer system includes a measurement device that includes a temperature sensor and is attached to a strap. The strap is placed around a diver's chest and configured to measure the diver's skin temperature. The skin temperature is wirelessly transmitted to a dive computer that utilizes a dive algorithm to determine compartment inert gas saturation and desaturation. The dive algorithm determines an updated skin perfusion factor that is in turn utilized to determine an updated half time for the skin compartment for inert gas desaturation and a pressure tolerance for the skin compartment for inert gas saturation.

Dive computers incorporating a variety of features are disclosed. One embodiment of the invention includes a dive computer including a microprocessor, memory configured to store a software application, a pressure transducer configured to determine depth information, and a communications device configured to communicate with external devices, wherein the software application configures the microprocessor to create a dive log stored in memory, wherein the dive log includes recorded information including depth of submersion information recorded from the pressure transducer, and transmit the dive log using the communications device.

If the diving mode is erroneously entered while travelling at a high altitude, such as when flying in an airplane, the error is detected so that calculating tissue in / out-gassing of inert gases continues. The control unit 50 of the dive computer records the water depth corresponding to the pressure measured by the depth measuring unit 61 together with the elapsed time, determines if the user is moving in a low pressure region based on water entry detection by a water entry detection unit and the depth detected by the depth measuring unit 61, and if the user is determined to be travelling in a low pressure region cancels measuring the water depth, cancels the wrongly selected operating mode, and changes from the operating mode used when diving to an operating used when not diving.

The present invention provides a method for detecting the start of a dive for implementation in a portable electronic device (1) of the dive computer type. More specifically, the method is to be implemented in a device of this type having at least one first operating mode and one second operating mode, called the dive mode. This device comprises in particular a pressure sensor (5) for measuring the value of the ambient pressure (P) as well as electronic circuits (2) for processing the pressure measurement results comprising a time base (4) and at least one memory zone (7, 8). The detection method according to the present invention more specifically provides for the reference pressure value (Pref) to be updated on the basis of the ambient pressure (P) measurements, this value being used to detect the start of a dive. In certain particular conditions, the method according to the present invention suspects the start of a dive, in which case it backs up the value (Psauv) of the reference pressure (Pref) stored before updating. If the start of a dive is confirmed after having been suspected, the reference pressure value (Pref) stored is replaced by the backed up value (Psauv) upon activation of the dive mode.

The present invention concerns a method for detecting the start of a dive for implementation in a portable electronic device (1) of the diving computer type. More specifically, the method is for implementation in a device of this type having at least a first operating mode and a second operating mode, called the dive mode. This device includes a pressure sensor (5) for measuring the ambient pressure value (P) and electronic circuits (2) for processing the pressure measurement results including a time base (4) and at least one memory zone (7, 8). The detection method according to the present invention more particularly proposes making correction to certain measured pressure values before storing them as reference pressure values (Pref). Thus, the start of a dive can be detected with a high level of reliability solely on the basis of ambient pressure measurements.

A dive computer system that includes a primary power source and a console, located remotely from the power source. The console includes a display screen configured to be readable underwater. The primary power source is connected to the console via a cable. The console does not include a connection for a gas hose. In certain embodiments the dive computer includes a secondary power source, while in further embodiments the dive computer has a color display.

A compressed gas system component coupling device and method are described herein that use correlated magnets to enable a first component to be secured and removed from the second component. Some examples of components of the compressed gas system include a first stage regulator, a second stage regulator, an air pressure gauge, a dive computer, an air hose, a tank valve and a buoyancy control device. Furthermore the compression force created by the correlated magnets mounted on the first and second components create a hermetic seal therebetween.

A diving computer, a computer program, and a method for determining ascent time in a diving computer. Determining ascent time is accomplished by initially receiving initial data on the available gases and measuring the prevailing pressure and diving time. Then, based on information received in connection with the initial data, the gases are divided into at least primary (A) and secondary (B) gases, and an optimal dive plan is calculated based on the initial data of the primary gases (A), the prevailing pressure, and a surfacing model.

A tank pressure transmitter with integrated breathing gas analyzer and associated methods are provided. The tank pressure transmitter can include a gas sensor which detects a constituent of a breathing gas. The transmitter is operable to compile a constituent reading from the constituent detected, and communicate this constituent reading wirelessly to a dive computer.

A dive computer having multiple sensors and voting logic to determine accuracy of sensor reading. The invention provides, in various embodiments, aspects of a safer dive computer capable of detecting and eliminating erroneous sensor measurement readings and systems and methods relating to determination thereof.

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.

The present invention concerns a method for detecting the start of a dive for implementation in a portable electronic device (1) of the diving computer type. More specifically, the method is for implementation in a device of this type having at least a first operating mode and a second operating mode, called the dive mode. This device includes a pressure sensor (5) for measuring the ambient pressure value (P) and electronic circuits (2) for processing the pressure measurement results including a time base (4) and at least one memory zone (7, 8).The detection method according to the present invention more particularly proposes making correction to certain measured pressure values before storing them as reference pressure values (Pref). Thus, the start of a dive can be detected with a high level of reliability solely on the basis of ambient pressure measurements.