Informing sound generation method and apparatus for vehicle

Details Informing sound generation method and apparatus for vehicle Informing sound generation method and apparatus for vehicle

2005-08-23

2005-08-23

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

External signal light system

C340S425500, C340S384100, C340S441000, C340S457000, C340S465000, C340S477000, C340S478000

Reexamination Certificate

active

06933838

ABSTRACT:
Detection is made of an activated direction of a vehicular operator device capable of being activated in at least two directions. In response to activation, in a first direction, of the operator device, informing sound is generated which varies over time with a first characteristic, and, in response to activation, in a second direction, of the operator device, informing sound is generated which varies over time with a second characteristic generally opposite to the first characteristic. For example, when a right turn is instructed, informing sound is generated with a characteristic to progressively raise the sound pitch from a relatively low sound pitch, while when a left turn is instructed, informing sound is generated with a characteristic to progressively lower the sound pitch from a relatively low sound pitch (, or vice versa).

REFERENCES:
patent: 4065767 (1977-12-01), Neuhof et al.
patent: 5646590 (1997-07-01), Dembicks
patent: 6154125 (2000-11-01), McAuley et al.
patent: 6426695 (2002-07-01), Pagano et al.
patent: 2000-272414 (2000-10-01), None

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