Normal Keypad 697 Hz 770 Hz LowFrequency Group / Chiouguey J. Chen Digital Signal Processing Solutions / Texas Instruments Incorporated / /
Country
United States / /
Event
Patent Issuance / /
IndustryTerm
digital signal processor / potential risk applications / internal processing variables / semiconductor product / software performance / telephone control features / energy calculation / telephone industry / regular telephone keypad / maximum energy / stored maximum energy / telephone signaling scheme / telephone line / changes to its products / semiconductor products / Certain applications using semiconductor products / parallel processors / energy / /