Two-Way Communication Systems TRIZ Cases
- Retrofit Controller for Door Entry Systems
A standalone controller augments existing door entry systems by integrating with standard wiring to enable remote access verification.
- Interphone System Mobile App VOIP Data Deletion
Mobile phone application manages registered dweller information via a VOIP-based communication management device.
- Door Intercom Sound Channel Offset for Water Ingress Prevention
Downward offset sound channel and cover seal prevent water ingress into the microphone area during heavy rainfall.