Patent ID: 8433046
Filing Date: 2013-04-30
Classification: H04N

Abstract:
1. A line control apparatus having a first interface for connecting to a telephone line, a second interface for connecting to a facsimile apparatus, and a third interface for connecting to a telephone, the line control apparatus comprising: a second detecting unit configured to detect a signal from the telephone line, wherein the second detecting unit detects the signal with a voltage lower than a voltage that a first detecting unit can detect; a first switching unit configured to switch a connection state between the first interface and the third interface; a control unit configured to control the first switching unit so as to switch from a first state wherein the first interface and the third interface are connected to a second state of not being connected, in accordance with the second detecting unit having detected the signal from the telephone line; and the first detecting unit configured to detect the signal from the telephone line following the first switching unit having switched from the first state to the second state.