| 摘要 |
Silent Phone would be equipped with a keypad consisting of 12 keys, which would light up as they were touched when making a call and stay lighted until the phone was hung up. A light on the phone would show a call was there to be answered, a vibrator would activate to alert the person of the incoming call. A scroll would show the message and a printer to print the message. Other features would include an internal memory, a speech recognition program, wiring, a circuit board, a long cord that could be plugged into a jack and a handset with a diaphragm to serve as a microphone. Silent Phone could also be produced in a second version resembling a cell phone.
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