US PATENT SUBCLASS 701 / 47
.~.~.~ By frequency or waveform analysis

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
36  DF  .~ Vehicle subsystem or accessory control {5}
45  DF  .~.~ Control of vehicle safety devices (e.g., airbag, seat-belt, etc.) {2}
47.~.~.~ By frequency or waveform analysis

DEFINITION

Classification: 701/47

By frequency or waveform analysis:

(under subclass 45) Vehicle safety device control further comprising activation of the safety device responsive to a vibratory electric signal, having various frequency components, indicating an unsafe vehicle condition.