An active device mount assembly 1 comprises an interface mount 4 having front socket 9. Further included is an active device 5. The assembly 1 may also include a focusing element 6. The device 5 has an emission axis aimed along the axis of the optical focusing element. The assembly 4 further comprises...http://www.google.de/patents/US5042891?utm_source=gb-gplus-sharePatent US5042891 - Active device mount assembly with interface mount for push-pull coupling type optical fiber connectors