Distribution System (e.g., Plural Cables, Etc.) (455/3.1) Patents (Class 455/FOR214)
Foreign Patent Art Collections
- Using a chamber (e.g., room testing or audio surveillance, etc.) (455/67.2) (Class 455/FOR227)
- Noise, distortion or unwanted signal detection (e.g., quality control, etc.) (455/67.3) (Class 455/FOR228)
- Using a test signal (455/67.4) (Class 455/FOR229)
- Of a microwave link or system (455/67.5) (Class 455/FOR230)
- Phase measuring (e.g., group delay propagation effects, etc.) (455/67.6) (Class 455/FOR231)
- Operable on more than one system (455/552) (Class 455/FOR247)
- Remote private branch exchange (PBX) with wireless link to landline (455/554) (Class 455/FOR249)
- Integrated with other device (e.g., electronic notebook, personal digital assistant, etc.) (455/556) (Class 455/FOR250)
- Headgear (455/568) (Class 455/FOR252)
- Hands-free or loudspeaking arrangement (455/569) (Class 455/FOR253)
There are no patents to show for this class.
