Visual inspection apparatus for flexible printed circuit boards
US7872744B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 28, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Aug 7, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1545
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An exemplary visual inspection apparatus for a flexible printed circuit board includes a frame, an inspection station, a control system, a roller system and a power system. The inspection station is disposed on the frame. The inspection station has an inspection surface for placing the flexible printed circuit board thereon for visual inspection. The roller system includes a first roller for unwinding a flexible printed circuit board therefrom and a second roller for winding up the flexible printed circuit board therearound. The power system includes a driving device and a braking device. The driving device includes a torque motor engaging with the second roller to drive the second roller to roll. The braking device includes a detent engaging with the first roller to stop rolling of the first roller. The control system electrically connects to the power system for controlling the power system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.