Control circuit for opening/closing device in a vehicle
US6111326A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Apr 1, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/55
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is provided a control circuit which can perform a control of opening and closing an opening/closing device, a sun roof in a vehicle, or the like. Usually, an I UP direction current is supplied to a motor 9 according to an ON-operation by an UP switch 3, and an I DOWN direction current is supplied to a motor 9 according to an ON-operation by a DOWN switch 5. If any failures occur, even if the I UP direction current is supplied to the motor 9 when the UP switch 3 is not on-operated, in accordance with the ON-operation of the DOWN switch 5, the current is switched over to the I DOWN direction, and then, is supplied to the motor 9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.