发明名称 |
SISTEMA PER LA TRASMISSIONE DI INFORMAZIONI |
摘要 |
A system for transmitting information and accomplishing control including a transmitter and at least one receiver in which the transmitter produces an ultrasonic wave or an electrical signal and includes a circuit for modulating the ultrasonic wave or electrical signal as a function of a time interval indicative of the control signal. The modulation is varied as an exponential function so as to assure more accurate reception and decoding of the intelligence by the receiver. |
申请公布号 |
IT1017324(B) |
申请公布日期 |
1977.07.20 |
申请号 |
IT19740025403 |
申请日期 |
1974.07.19 |
申请人 |
SONY CORP |
发明人 |
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分类号 |
H03M5/08;G08C19/22;G11B20/10;H03J1/22;H03J9/04;H04L25/49;H04N5/00;H04Q9/14 |
主分类号 |
H03M5/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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