Digital camera and interchangeable lens unit
US8502900B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2011 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Feb 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/663
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit board is arranged on an end face of a lens barrel on a lens mount side and installed with an electronic circuit device, a plurality of connection terminals which are arranged in an electrically insulating state in the lens mount and serve to connect the electronic circuit device on the circuit board with an electronic circuit device inside a camera body, and a wiring member is for connecting the plurality of connection terminals with the circuit board, where the wiring member is provided with a ground connection section which is connected to a ground pattern of the circuit board and also electrically connected to a connection terminal that is to be a ground terminal among the plurality of connection terminals, and an extended wiring pattern is for electrically grounding the ground connection section on a metal portion of the lens mount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.