Tire air pressure reduction detecting apparatus
First Claim
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1. A tire air pressure reduction detecting apparatus comprising:
- ABS processing means for executing, in each ABS cycle, an ABS processing for preventing each tire from being locked, the ABS cycle including (i) an ABS processing period of time during which an ABS processing is actually executed, and (ii) a vacant period of time for timing waiting;
DWS processing means for executing an air pressure reduction judgment processing for judging whether or not each tire is reduced in air pressure; and
processing control means arranged such that an air pressure reduction judgment processing to be executed by the DWS processing means is dispersively executed in vacant periods of time repeatedly generated by executing ABS processings by the ABS processing means.
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Abstract
The present invention provides a tire air pressure reduction detecting apparatus arranged such that both an ABS processing and an air pressure reduction judgment processing can be executed with a single microcomputer. A vacant period of time tn for timing waiting is prepared in each ABS cycle. Utilizing such vacant periods of time tn, an air pressure reduction Judgment processing is dispersively executed in a time-division manner in a plurality of such vacant periods of time tn (FIG. 4).
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Citations
7 Claims
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1. A tire air pressure reduction detecting apparatus comprising:
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ABS processing means for executing, in each ABS cycle, an ABS processing for preventing each tire from being locked, the ABS cycle including (i) an ABS processing period of time during which an ABS processing is actually executed, and (ii) a vacant period of time for timing waiting; DWS processing means for executing an air pressure reduction judgment processing for judging whether or not each tire is reduced in air pressure; and processing control means arranged such that an air pressure reduction judgment processing to be executed by the DWS processing means is dispersively executed in vacant periods of time repeatedly generated by executing ABS processings by the ABS processing means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification