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Hard navigation data recorder

A recorder and data technology, applied in the direction of data recording, time register, record information storage, etc., can solve the problems that the cable cannot be received, cannot be applied to the marine environment, and affects the structural integrity of the boiler body, etc.

Inactive Publication Date: 2006-11-15
L 3 COMM CORP
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0019] Other problems presented by prior art boiler blocks, including one described in the '925 patent, limit their suitability for offshore applications
In particular, existing cable designs for connecting such boiler bodies are not acceptable for offshore applications
This is because it affects the structural integrity of the boiler body itself, making it unsuitable for offshore environments

Method used

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Embodiment Construction

[0043] now back to Figure 1-3 , the Hardened Voyage Recorder (HVR) 10 according to the present invention comprises two separable subassemblies. The first subassembly 12 is the mounting base subassembly, designed to be fixed directly on board and provide watertight cable inputs for power and data connections. The second subassembly 14 is a removable hardened memory subassembly that can be attached to the mounting base with quick release clamps.

[0044] Referring now to the mechanical characteristics of the subassembly 12, as Figure 1-3 As shown, the mounting base subassembly 12 has a lower flange 16 defining three mounting holes 18 , 20 , 22 . Two cable connections 24, 26 are used to provide watertight coupling of power and data cables (not shown). best see figure 2 with Figure 8-1 0, the subassembly 12 is also provided with an upper flange 28 for providing sealing engagement with the removable hardened memory subassembly 14.

[0045] Mechanical features of the harde...

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Abstract

A hardened voyage data recorder comprising two subsystems: a removable non-volatile memory and a base containing the electronics and firmware for communicating with the data readout system and accessing the memory. According to the present invention, the memory is a stacked BGA memory protected within a "boiler body" designed to withstand a relatively long-term low temperature fire environment. Boiler blocks and storage modules are designed to withstand the penetrating forces associated with marine accidents. The cable leads from the storage are arranged such that the structural integrity of the boiler body is not compromised.

Description

technical field [0001] The present invention relates to a method and apparatus for recording data relating to the operation of a marine vessel. In particular, the present invention relates to methods and apparatus for recording and protecting data leading to accidents or "accidents". In addition, the present invention generally relates to methods and apparatus for protecting heat sensitive elements such as solid state memories used in marine data recorders and the like from heat generated by fires that may result from marine casualties. The present invention also generally relates to methods and apparatus for protecting such components from impact damage and moisture. Background technique [0002] It has long been noted that the investigation of a marine accident or accident can benefit from the recording of data and audible voice commands present on board. In fact, many consider this a necessary technical extension of the chronological ship's logbook. This desire eventua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63J5/00G01D11/24B63B49/00B63J99/00G07C5/08G11B33/02G11C5/00
CPCG07C5/0858G11B33/02
Inventor G·W·珀登
Owner L 3 COMM CORP
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