Indicating device, specially in a vehicle

Details Indicating device, specially in a vehicle Indicating device, specially in a vehicle

2000-04-26

2001-11-20

Trieu, Van T (Department: 2632)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S435000, C340S903000

Reexamination Certificate

active

06320500

ABSTRACT:

TECHNICAL FIELD
The present invention refers to an indicating device, specially in a vehicle and intended for supplying complementary information to the driver of the vehicle, which device is provided with at least one scale for showing basic information or the like on an index disc.
BACKGROUND OF THE INVENTION
The vehicles of today are usually arranged with one or several computer units, which control certain functions of the vehicle to provide a safer and more comfortable driving.
There is a need to supply the driver of a vehicle with some information, preferably in real time. Presently, there are several types of displays, which by means of for example text or symbols can supply relevant information. However, these are usually complex and require the concentration of the driver to read the information. A person has usually difficulty to utilize written information quickly and since the driver at the same time must focus on the traffic, these types of displays are unsuitable, particularly for supplying fast, variable information.
It is also known to use different types of light sources, such as diodes and lights arranged on the instrument panel. Depending on the amount of the information to be supplied, the number of light sources can vary and these may be arranged slightly apart from the centrally placed indicating devices important for the driver, for example a speedometer, which requires that the driver must turn his attention away from it. The light source may also be placed best, for example through mounting it within an indicating device board. In this case, the layout of the indicating device is affected and the assembly will become more complicated, for example because of small space for making holes and mounting of the light source.
THE OBJECTS OF THE INVENTION AND MOST IMPORTANT FEATURES
The objects of the present invention are:
to simultaneously supply one or several types of information quickly and distinctly,
to supply visual information, for example additional information, without the driver losing his attention from the surrounding traffic,
to present a simple and relatively affordable indicating device, without need for exhaustive changes of the existing instruments on the instrument panel, and
to present an indicating device, which can be produced without obscure indicators.
These objects have been achieved by equipping the index disc of the indicating device with indicators placed in close connection with and in relation to individual indexes of the scale and arranged as individually controllable light sources for indicating complementary information, which is relatable to said scale, and said instrument being adapted so that the basic information consists of the vehicle speed and the complementary information of a relative speed to a vehicle in front.


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