Extender for universal serial bus

• US 6,954,808 B2
• Filed: 04/17/2003
• Issued: 10/11/2005
• Est. Priority Date: 12/22/1998
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Russell, William C.
• Primary Examiner(s): Gaffin, Jeffrey
• Assistant Examiner(s): Nguyen, Mike
• Application Number:
  US10/417,082
• Publication Number:
  US 20030177294A1
• Time in Patent Office: 908 Days
• Field of Search: 710/62, 710/104, 710/106, 710/129, 709/230, 709/233, 709245-250
• US Class Current: 710/62
• CPC Class Codes: G06F 13/4045 where the bus bridge performs an extender function

Abstract

Cable length extension of universal serial bus (USB), through the provision of a transmitter hub coupled to a receiver hub over a non-USB data transport connection.

Claims

1. A transmitter hub comprising:

a USB cable of which one side is connected to the transmitter hub and the other side of the cable is a USB “

A”

connector;

a USB-to-non-USB translator which translates USB communications into a non-USB digital data transport format; and

a non-USB connector for connecting a non-USB cable, the non-USB cable is connected with a receiver hub.

2. A transmitter hub according to claim 1, wherein the non-USB cable includes a category 5 cable.

3. A transmitter hub according to claim 1, wherein the non-USB cable includes an RJ45 connector.

4. A device for extending USB connectivity comprising:

a transmitter hub and a receiver hub,

wherein the transmitter hub includes a USB cable, a USB-to-non-USB translator which translates USB communications into a non-USB digital data transport format, and a communication unit for communicating with the receiver hub in the non-USB data format, one side so the USB cable is connected to the transmitter hub and another side of the cable is a USB “

A”

connector, and

wherein the receiver hub includes a communication unit for communicating with the transmitter hub in the non-USB data format, a non-USB-to-USB translator for translating the non-USB data format into the USB data format, and the USB “

A”

connector.

5. A device for extending USB connectivity according to claim 4, wherein the communication unit includes a connector for connecting a cable.

6. A device for extending USB connectivity according to claim 5, wherein the communication unit'"'"'s connector comprises an RJ45 connector.

7. A device for extending USB connectivity comprising:

a transmitter hub and a receiver hub,

wherein the transmitter hub includes a USB “

B”

connector, a USB-to-non-USB translator which translates USB communications into non-USB digital data transport format, and a communication unit for communicating with a receiver hub in the non-USB data format, and

wherein the receiver hub includes a communication unit for communicating with a transmitter hub in the non-USB data format, a non-USB-to-USB translator for translating the non-USB data format into the USB data format, and a USB “

A”

connector.

8. A device for extending USB connectivity according to claim 7, wherein the communication unit includes a connector for connecting a cable.

9. A device for extending USB connectivity according to claim 8, wherein the communication unit'"'"'s connector comprises an RJ45 connector.