Blind spot detector

  • US 6,744,353 B2
  • Filed: 09/18/2002
  • Issued: 06/01/2004
  • Est. Priority Date: 12/15/1999
  • Status: Expired due to Fees
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First Claim
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1. A warning device for a motor vehicle having at least one direction indicator and wheel in order to attract the attention of a driver when an object is located in a position that is critical for the driver, the device comprises:

  • (a) at least one source of wave energy;

    (b) an arranged position-sensitive wave energy detector for detecting an object in a position that is critical for the driver;

    (c) an output for activating a warning signal when the wave energy detector detects an object located in a position critical for the driver;

    (d) a direction indicator sensor for detection of an input signal from the at least one direction indicator of the vehicle indicating that the at least one direction indicator is on;

    (e) an output for activating a warning signal when both the direction indicator sensor detects the input signal of the at least one direction indicator is on and when the wave energy detector detects an object located in a position critical for the driver;

    (f) an angular sensor deviation for detecting angular deviation of the at least one wheel of the vehicle;

    (g) an output for activating a warning signal when both the angular deviation sensor detects at least a certain angular deviation of the at least one wheel and the wave energy detector detects an object located in a position critical for the driver;

    (h) speed sensor for detecting the speed of the vehicle;

    (i) an output for activating a warning signal when the speed sensor detects speed over predetermined threshold values of speed and the wave energy detector detects an object located in a position critical to the driver in combination with at least one input signal from at least one of the direction indicator sensor and the angular deviation sensor; and

    (j) threshold detection means for a maximum allowed angular deviation in order for the warning device to be active, which indicates rounding of a curve or normal turning of the vehicle.

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