5 volts single power supply ADSL analog front end design
Access control apparatus for use with buildings, gated propertie
Access control apparatus for use with buildings, gated propertie
Access control system having a programmable automatic...
Access control system having tenant codes that may be...
Access to extended telephone services via the internet
Access to extended telephone services via the internet
Account balancing and monitoring system for a telecommunications
Acoustic communication terminal apparatus and recording...
Acoustic coupler and data transmission apparatus using the same
Acoustic coupler for high-speed modem
Acoustic coupling product label
Activation of electronic lock using telecommunications network
Adaptable method and system for message delivery
Adaptable subscriber unit for interactive telephone...
Adapter circuitry for computers to support computer telephony
Adapter for connecting a modem to a digital private branch excha
Adapter for interfacing a work station terminal to a key telepho
Adaptive communication system within a transaction card network
Adaptive dialing system and method