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Transit stop detection

A traffic and vehicle technology, applied in traffic control system, arrangement of variable traffic instructions, traffic control system of road vehicles, etc., can solve problems such as navigation confusion

Inactive Publication Date: 2012-11-07
GARMIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, mass transit systems can be confusing to navigate, especially in unfamiliar areas

Method used

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  • Transit stop detection
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Embodiment Construction

[0010] summary

[0011] Many portable electronic devices use a Global Navigation Satellite System (GNSS), such as the Global Positioning System (GPS), to provide pedestrian navigation functionality. However, in pedestrian navigation, it is often impossible to receive satellite navigation signals. For example, a GPS-enabled portable electronic device may not be able to receive satellite navigation signals when the user is in a mass transit vehicle, particularly a vehicle that works underground, such as a subway. Consequently, planned transit stops along the route traversed by the vehicle cannot be detected so that appropriate navigation information can be provided to the user. Alternatively, the user may be required to manually sequence (eg, tab) the navigation information as the vehicle arrives at various stops. In the event that the user misses a transit stop or transitions information for a transit stop that has not been reached by mistake or distraction, the navigation in...

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Abstract

Techniques are described that may be implemented in a portable electronic device to provide automatic detection of transit stops made by mass transit system vehicle in which a user of the device is a passenger. In an implementation, the portable electronic device includes an inertial sensor assembly to sense motion of the vehicle and generate a signal indicative of the vehicle motion. The inertial sensor assembly signal is used to detect the occurrence of a transit stop made by the vehicle. The portable electronic device can then display a prompt in response to detection of the transit stop. In embodiments, other measured data (e.g., elapsed time from a prior event, location information, direction, sound, and so on) may be used to verify the occurrence of the transit stop.

Description

Background technique [0001] In many urban areas, mass transit systems provide an efficient and economical alternative to private modes of transportation such as personal automobiles or vehicles for hire. However, mass transit systems can be confusing to navigate, especially in unfamiliar areas. For example, a traveler boarding a mass transit vehicle in an unfamiliar city must discern when a transit stop by the vehicle is close to his or her destination and when he or she must be at the transit stop. transfer between vehicles, and when one must use two or more different mass transit systems such as trains and buses of the light rail system to reach his or her destination. Contents of the invention [0002] Portable electronic devices, such as personal navigation devices, smart phones, and personal digital assistants, can be configured to provide pedestrian navigation functionality. Such devices may use information about mass transit system schedules and transit stop locatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/09
CPCG01C21/20G08G1/005G08G1/137
Inventor N·J·毕晓普曾强J·L·海姆菲利
Owner GARMIN