TRANSMITTAL SYSTEM AND CONNECTION DEVICE

• US 20140307376A1
• Filed: 10/04/2013
• Published: 10/16/2014
• Est. Priority Date: 04/12/2013
• Status: Active Grant

• Current Assignee: VIA Labs Incorporated (VIA Technologies)
• Original Assignee: VIA Technologies Incorporated (VIA Technologies)
• Inventors: LEE, Sheng-Yuan
• Granted Patent: US 9,703,343 B2
• Time in Patent Office: Days
• US Class Current: 361/679.4
• CPC Class Codes: G06F 1/1632 External expansion units, e.g. docking stations
• CPC Class Codes: G06F 1/266 Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips

Abstract

A transmittal system including an extension device, a connection device, and an impedance device is disclosed. The extension device includes a first connection port and is coupled to a peripheral device. The connection device includes a second connection port and a third connection port. The second connection port is coupled to the first connection port. The third connection port is coupled to an electronic device. The impedance device connects at least one of the first, the second and the third connection ports to ground.

Claims

1. A transmittal system, comprising:

an extension device comprising a first connection port coupled to a peripheral device;

a connection device comprising a second connection port and a third connection port, wherein the second connection port is coupled to the first connection port, and the third connection port is coupled to an electronic device; and

an impedance device connecting at least one of the first, the second and the third connection ports to ground.

2. The transmittal system as claimed in claim 1, wherein the electronic device is a host with a computing function.

3. The transmittal system as claimed in claim 1, wherein the second connection port is a USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector, and the third connection port is a USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector.

4. The transmittal system as claimed in claim 1, wherein the connection device is a connection cable or a printed circuit board (PCB).

5. The transmittal system as claimed in claim 1, wherein the connection device is integrated into the extension device.

6. The transmittal system as claimed in claim 1, wherein the impedance device is integrated into the extension device or the connection device.

7. The transmittal system as claimed in claim 1, wherein the first connection port is a USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0

8. The transmittal system as claimed in claim 1, wherein the extension device further comprises a fourth connection port, and when external power is received by the fourth connection port, the first connection port is coupled to the second connection port and the third connection port is coupled to the electronic device, the external power is provided to the electronic device and the peripheral device.

9. The transmittal system as claimed in claim 8, wherein the extension device further comprises a fifth connection port, the extension device is a hub, and when the fifth connection port is coupled to the peripheral device, the electronic device communicates information with the peripheral device each other.

10. The transmittal system as claimed in claim 8, wherein the electronic device comprises a sixth connection port, the third connection port is configured to couple to the sixth connection port, and the sixth connection port is a USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector.

11. A connection device coupled between an extension device and an electronic device, comprising:

a first connection port comprising a plurality of first pins;

a second connection port comprising a plurality of second pins; and

a transmittal module coupled between the first and second pins, wherein the first pins are coupled to the second pins, respectively, the first connection port is a USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector, and the second connection port is USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector.

12. The connection device as claimed in claim 11, wherein the transmittal module comprises:

a plurality of transmittal lines formed on a PCB to connect the first pins to the second pins, wherein the first and the second connection ports are configured on the PCB.

13. The connection device as claimed in claim 11, wherein at least one of the first and second pins at least comprises:

a first pair of pins to receive a differential signal pair;

a second pair of pins to transmit a differential signal pair;

a ground pin;

a power pin; and

a third pair of pins supporting USB 1.0 or USB 2.0 to transmit a differential signal pair.

14. The connection device as claimed in claim 11, wherein the extension device is a hub, the electronic device is a host, the extension device further comprises a third connection port, and when the connection device is coupled to the third connection port, an impedance device connects at least one of the first, the second and the third connection ports to ground and the electronic device is charged with external power.

15. A transmittal system comprising:

an extension device comprising a first connection port;

an electronic device coupled to the first connection port;

a peripheral device coupled to the extension device; and

an impedance device connecting a pin of the first connection port to ground.

16. The transmittal system as claimed in claim 15, wherein the electronic device is a host with a computing function.

17. The transmittal system as claimed in claim 15, wherein the first connection port is USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector.

18. The transmittal system as claimed in claim 15, wherein the extension device further comprises a second connection port, and when the second connection port receives external power and the first connection port is coupled to the electronic device, the external power is provided to the electronic device and the peripheral device.

19. The transmittal system as claimed in claim 18, wherein the extension device further comprises a third connection port, the extension device is a hub, and when the third connection port is coupled to the peripheral device, the electronic device communicates information with the peripheral device each other.

20. The transmittal system as claimed in claim 18, wherein the electronic device comprises a fourth connection port, the fourth connection port is configured to be coupled to the first connection port, and the fourth connection port is USB 2.0 Micro-B connector, a USB 2.0 Mini-B connector or a USB 3.0 Micro-B connector.