Matches 1 - 7 out of 7
Match Document Document Title
3796945 DIGITAL ATTENUATOR WHEREIN TRANSISTOR SWITCH MEANS ARE BIASED BY RECTIFIER CIRCUIT  
The disclosure describes a digital attenuator having non-isolated, L-type attenuator sections. The sections comprise shunt legs that are switched to ground potential by bipolar NPN transistors. An...
3118018 Mobile radio telephone integrated system  
3054855 Audiometer  
2848539 Audiometer  
2768236 Hearing test system  
2662940 Automatic power output limiting control system for audiometers  
2625613 Tone interrupter for audiometers  
Matches 1 - 7 out of 7