Switch Device for Switching Different Type Signals

• US 20090167099A1
• Filed: 12/01/2008
• Published: 07/02/2009
• Est. Priority Date: 12/28/2007
• Status: Abandoned Application

• Current Assignee: ASUSTek Computer, Inc.
• Original Assignee: ASUSTek Computer, Inc.
• Inventors: Chin, Chung-Ta
• Application Number:
  US12/326,071
• Publication Number:
  US 20090167099A1
• Time in Patent Office: Days
• US Class Current: 307/125
• CPC Class Codes: H03K 17/002 Switching arrangements with several input- or output terminals code converters H03M5/00, H03M7/00

Abstract

A switch device for switching different signal types includes a signal input unit for receiving a signal; a detection unit, coupled to the signal input unit, for generating a first control signal and a second control signal according to a signal type of the signal received by the signal input unit; and a switch unit, coupled to the signal input unit and the detection unit, for switching the signal input unit to either couple to a first signal processing unit or a second signal processing unit according to the first control signal and the second control signal outputted by the detection unit.

Claims

1. A switch device for switching different signal types, comprising:

a signal input unit for receiving a signal;

a detection unit, coupled to the signal input unit, for generating a first control signal and a second control signal according to a type of the signal received by the signal input unit; and

a switch unit, coupled to the signal input unit and the detection unit, for switching the signal input unit to either couple to a first signal processing unit or a second signal processing unit according to the first control signal and the second control signal.

2. The switch device of claim 1, wherein the detection unit is a voltage detection unit.

3. The switch device of claim 1, wherein the detection unit is a current detection unit.

4. The switch device of claim 1, wherein the detection unit is implemented by software.

5. The switch device of claim 1, wherein the switch unit comprises:

a first switch, coupled between the signal input unit and the first signal processing unit, for controlling electrical connection between the signal input unit and the first signal processing unit according to the first control signal; and

a second switch, coupled between the signal input unit and the second signal processing unit, for controlling electrical connection between the signal input unit and the second signal processing unit according to the second control signal.

6. The switch device of claim 5, wherein the first switch and the second switch are individually transistor switches.

7. The switch device of claim 5, wherein the first switch and the second switch are preset to an open-circuit state.

8. A switch device for switching a network signal and a phone-line signal, the switch device comprising:

a socket connector for receiving one of the network signal and the phone-line signal;

a detection unit, coupled to the socket connector, for generating a first control signal and a second control signal according to a type of the signal received by the socket connector; and

a switch unit, coupled to the socket connector and the detection unit, for switching the socket connector to either couple to a network signal processing unit or a phone-line signal processing unit according to the first control signal and the second control signal.

9. The switch device of claim 8, wherein the socket connector is utilized for accommodating a network plug to transmit the network signal.

10. The switch device of claim 8, wherein the socket connector is utilized for accommodating a phone-line plug to transmit the phone-line signal.

11. The switch device of claim 8, wherein the detection unit comprises:

a plug detection module, installed in the socket connector, for generating a detection signal to output as the first control signal according to an inserted plug type of the socket connector; and

an inverter, coupled to the plug detection module, for performing an inverse operation on the detection signal to output the second control signal.

12. The switch device of claim 8, wherein the switch unit comprises:

a first switch, coupled between the socket connector and the network signal processing unit, for controlling electrical connection between the socket connector and the network signal processing unit according to the first control signal; and

a second switch, coupled between the socket connector and the phone-line signal processing unit, for controlling electrical connection between the socket connector and the phone-line signal processing unit according to the second control signal.

13. The switch device of claim 12, wherein the first switch and the second switch are individually transistor switches.

14. The switch device of claim 8, wherein the first switch and the second switch are preset to an open-circuit state.