External photographic wireless TTL communication device and method
US8331776B2 · kind B2 · utility
23Cited by
85References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 7, 2011 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Feb 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/056
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An external photographic wireless communication device for connection to a camera body having a hot shoe connector for connecting to the camera body and a hot shoe connector for connecting to one or more accessory devices. Each of the hot shoe connectors includes a plurality of contacts. The device includes a switching element for selectively disconnecting one or more of the plurality of contacts in one hot shoe connector from a corresponding respective one of the other hot shoe connector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.