Backup aid system and method for detecting the presence of a trailer attached thereto
US6864782B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2002 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Jan 21, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q1/305
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A backup aid system (14) for detecting the presence of a trailer (12) includes a trailer connector (52a) and a backup aid controller (50) that has an input (66) electrically coupled to the connector (52a). The backup aid controller (50) monitors a voltage level at input (66). When the voltage level is above a first predetermined voltage, the controller (50) generates a backup warning signal. When the voltage is below a second predetermined voltage, the controller (50) disables the backup warning signal. Also, the system may monitor the voltage in between the first predetermined voltage and the second predetermined voltage to determine the presence of a lamp fault such as outage or corroded contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.