Locator device and in-vehicle system

Claims

1. A first processing circuit capable of generating route data, which is represented in a vehicle coordinate system based on a map database in which map data is pre-registered, and which includes data indicating the position of a route in a partial area set in a direction in which the vehicle may travel, based on the vehicle, and conversion data for performing a coordinate transformation from the vehicle coordinate system to an absolute coordinate system. A first communication circuit capable of transmitting time-series data of the aforementioned road data and time-series data of the aforementioned conversion data. A locator device equipped with the following features.

2. The transformation data is represented in the absolute coordinate system and includes differential position data showing the difference in the position and orientation of the vehicle at two different timings. The locator device according to claim 1.

3. The first processing circuit is, By sequentially setting multiple sub-regions, it is possible to generate time-series data of the road data and time-series data of the conversion data. It is possible to set two of the aforementioned sub-regions that are adjacent to each other in a time series so that they are neither separated nor overlapping. The locator device according to claim 1.

4. The first processing circuit is capable of changing the distance from the vehicle to the partial region. The locator device according to claim 1.

5. The first communication circuit is capable of transmitting time-series data of the route data and time-series data of the conversion data. The first processing circuit can change the size of the partial region based on the degree of vehicle movement at adjacent timings in the time-series data. The locator device according to claim 1.

6. The aforementioned vehicle may travel in multiple directions. The aforementioned subregion includes a plurality of subregions corresponding to each of the plurality of directions. The locator device according to claim 1.

7. Locator device, Processing device and Equipped with, The locator device is A first processing circuit capable of generating route data, which is represented in a vehicle coordinate system based on a map database in which map data is pre-registered, and which includes data indicating the position of the route in a partial area set in the direction in which the vehicle may travel, relative to the vehicle, and conversion data for performing a coordinate transformation from the vehicle coordinate system to an absolute coordinate system. A first communication circuit capable of transmitting time-series data of the aforementioned road data and time-series data of the aforementioned conversion data. It has, The aforementioned processing apparatus is A second communication circuit capable of receiving time-series data of the aforementioned road data and time-series data of the aforementioned conversion data, A second processing circuit capable of reconstructing the position of the road in the absolute coordinate system based on the time-series data of the road data and the time-series data of the conversion data. has In-vehicle systems.