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Method for reading data stored in an electronic device for a tyre

An electronic device and a technology for reading data, applied in tire measurement, tire parts, instruments, etc., can solve problems such as change, tire recognition, mark loss or change, etc., achieve small impact, shorten writing time, and simplify manufacturing methods Effect

Active Publication Date: 2015-01-14
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finally, the markings can be fraudulently altered by molding a new layer of rubber over the existing markings
[0006] Loss or change of markings (especially serial number or DOT number) is a matter of consideration, as it makes it impossible, for example, to identify the tire for the purpose of carrying out regular inspections of the tire

Method used

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  • Method for reading data stored in an electronic device for a tyre
  • Method for reading data stored in an electronic device for a tyre
  • Method for reading data stored in an electronic device for a tyre

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Data stored in range I6:

[0065] N=10100101111111110001111010011000100111

[0066] Serial number determined after decoding: ZZC89536T.

[0067] Part of the DOT number determined after decoding: 0911 (ie week 9).

Embodiment 2

[0069] Data stored in range I6:

[0070] N=1100111110100100110111010101101011000

[0071] The serial number determined after decoding: OLY56000R.

[0072] Part of the DOT number determined after decoding: 1410 (ie week 14).

[0073] As shown above, the serial number according to the embodiment consists of the following data:

[0074] - A combination of three letters used to identify the manufacturer, month and year based on a conversion table which is not described in detail here. Therefore, in Example 1, the set of three letters ZZC indicates that the tire was manufactured at the Zuen factory in February 2011.

[0075]- Five digits for identifying the production number of the tire in the range 1 to 99999. In Example 1, the production number is 89536.

[0076] - A letter corresponding to the code used for retreading tyres, ie T in Example 1.

[0077] In these examples, each of the letters can take on 24 possible values ​​(since 2 letters of the alphabet are not used). H...

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Abstract

During the data reading process, data is stored in an electronic device (10) incorporated into a tyre identified by a registration number and a week of manufacture number, the device (10) comprising data storage means (20), the storage means (20) comprising a data storage zone comprising a storage interval in the form of bits, this interval being known as a restricted interval and comprising a number of bits less than or equal to 38. During the process: the data stored in the restricted interval is read; and the read data is decoded in order to determine the registration number and the week number of the tyre.

Description

technical field [0001] The present invention relates to the field of tires and in particular to the field of electronic devices designed to be incorporated in tires. The invention is applicable to any type of tire, to passenger vehicles, more particularly to industrial vehicles (eg trucks), heavy vehicles (eg light rail vehicles, buses), heavy road transport vehicles (eg trucks, tractors and trailers) And tires for off-road vehicles such as agricultural or civil engineering vehicles, or any other transport or cargo handling vehicle. Background technique [0002] Tires are known in the prior art with various data marked for example by molding on the sidewall of the tyre. These data include, inter alia, the identifier of the tire manufacturer and the geometric characteristics of the tire, such as flange width, load capacity index or speed code. [0003] These data include in particular the serial number of the tyre, also known as the production number of the tyre. This seri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04
CPCB60C23/0462B60C23/00G06K7/10366
Inventor T·佩诺
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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