Seat belt alarm apparatus
First Claim
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1. A seat belt alarm apparatus, comprising:
- seat belt detection means for detecting whether or not a seat belt is fastened;
alarm means for prompting the fastening of said seat belt;
alarm drive means for driving said alarm means; and
alarm control means for outputting a drive signal to said alarm drive means,wherein said alarm control means has at least two types of alarm patterns having a different alarm mode respectively;
said alarm control means outputs a drive signal having a weak alarm pattern after an ignition switch is turned on, when said seat belt detection means detects that said seat belt is unfastened and when a vehicle speed is equal to or less than a set vehicle speed;
said alarm control means outputs said drive signal having a continuous strong alarm pattern when said seat belt detection means detects that said seat belt is unfastened and said vehicle speed is more than said set vehicle speed until said seat belt detection means detects that said seat belt is fastened; and
said alarm control means continuously outputs said drive signal having said strong alarm pattern even if said vehicle speed becomes equal to or less than said set vehicle speed thereafter.
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Abstract
A seat belt alarm apparatus according to the present invention executes a weak alarm pattern in which an alarm lamp is blinked and lighted repeatedly when a seat belt switch is turned on and a seat belt is unfastened, and a vehicle speed is equal to or less than a buzzer sound start vehicle speed. When the vehicle speed is more than the buzzer sound start vehicle speed, the seat belt alarm apparatus executes a strong alarm pattern in which the alarm lamp is blinked and lighted repeatedly as well as a buzzer is sounded in synchronism with the blinking of the alarm lamp, and the alarm operation is continued until the seat belt switch is turned off and the seat belt is fastened.
12 Citations
6 Claims
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1. A seat belt alarm apparatus, comprising:
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seat belt detection means for detecting whether or not a seat belt is fastened; alarm means for prompting the fastening of said seat belt; alarm drive means for driving said alarm means; and alarm control means for outputting a drive signal to said alarm drive means, wherein said alarm control means has at least two types of alarm patterns having a different alarm mode respectively; said alarm control means outputs a drive signal having a weak alarm pattern after an ignition switch is turned on, when said seat belt detection means detects that said seat belt is unfastened and when a vehicle speed is equal to or less than a set vehicle speed; said alarm control means outputs said drive signal having a continuous strong alarm pattern when said seat belt detection means detects that said seat belt is unfastened and said vehicle speed is more than said set vehicle speed until said seat belt detection means detects that said seat belt is fastened; and said alarm control means continuously outputs said drive signal having said strong alarm pattern even if said vehicle speed becomes equal to or less than said set vehicle speed thereafter. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification