| 摘要 |
The present invention comprises a device which may be attached to a cable ground block ( 62 ) such that the level and type for signal emitted through the upstream flow of the signal, from a residence or business ( 59 ), may be determined along with the location of the source of ingress of any such signals. The invention, further includes a device ( 10 ) to transmit a signal of predetermined frequency towards a residence, such the source of errant signal ingress may be determined. Further, a method of causing the transmission of the signal at a predetermined time, measurement of the signal and determination of the source of the ingress of the signal is provided. |
