VIDEO SIGNAL PROCESSING APPARATUS, DISPLAY APPARATUS AND VIDEO SIGNAL PROCESSING METHOD

• US 20080298461A1
• Filed: 12/10/2007
• Published: 12/04/2008
• Est. Priority Date: 06/04/2007
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Sang-soo, Lim, Jong-tae
• Application Number:
  US11/953,493
• Publication Number:
  US 20080298461A1
• Time in Patent Office: Days
• US Class Current: 375/240.01
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04N 21/4621 Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen arrangements for using the results of monitoring on user's side in broadcast systems H04H60/65; flow control in packet networks H04L47/10

Abstract

A video signal processing apparatus and method and a display apparatus are provided. The video signal processing apparatus includes: an input unit through which a video signal is input; a signal processing unit which processes the video signal input through the input unit, wherein signal processing unit encodes the video signal if a transmission distance from the transmitting unit to the display apparatus is greater than a reference distance; and a transmitting unit which transmits the video signal processed by the signal processing unit to a display apparatus using wireless communication.

Claims

1. A video signal processing apparatus comprising:

an input unit through which a video signal is input;

a signal processing unit which processes the video signal input through the input unit, wherein signal processing unit encodes the video signal if a transmission distance from the transmitting unit to the display apparatus is greater than a reference distance; and

a transmitting unit which transmits the video signal processed by the signal processing unit to a display apparatus using wireless communication.

2. The video signal processing apparatus according to claim 1, wherein the reference distance is a maximum transmission distance which the transmitting unit can transmit a non-encoded video signal.

3. The video signal processing apparatus according to claim 1, wherein the signal processing unit encodes the video signal if a picture quality of the video signal is equal to or less than a reference picture quality.

4. The video signal processing apparatus according to claim 3, wherein the reference picture quality is standard definition.

5. The video signal processing apparatus according to claim 1, wherein the transmitting unit comprises a first transmitting unit which transmits the video signal if the video signal is encoded by the signal processing unit and a second transmitting unit which transmits the video signal if the video signal is not encoded by the signal processing unit.

6. The video signal processing apparatus according to claim 3, wherein the transmitting unit comprises a first transmitting unit which transmits the video signal if the video signal is encoded in the signal processing unit and a second transmitting unit which transmits the video signal if the video signal is not encoded by the signal processing unit.

7. The video signal processing apparatus according to claim 5, wherein the first transmitting unit transmits the encoded video signal using IEEE 802.11n communication.

8. The video signal processing apparatus according to claim 5, wherein the second transmitting unit transmits the non-encoded video signal using at least one of ultra-wideband communication and millimeter wave communication.

9. The video signal processing apparatus according to claim 1 further comprising a distance determining unit which determines the transmission distance from the transmitting unit to the display apparatus.

10. The video signal processing apparatus according to claim 1 further comprising a controlling unit which controls the signal processing unit to encode the video signal if the transmission distance from the transmitting unit to the display apparatus is greater than the reference distance or if a picture quality of the video signal is equal to or less than a reference picture quality.

11. A video signal processing apparatus comprising:

an input unit through which a video signal is input;

a signal processing unit which processes the video signal input through the input unit;

a transmitting unit which transmits the video signal processed by the signal processing unit to a display apparatus using a wireless communication; and

a controlling unit which controls the signal processing unit to encode the video signal if picture quality of the video signal is equal to or less than a predetermined reference picture quality.

12. A display apparatus comprising:

a first receiving unit which receives an encoded video signal from a video signal processing apparatus;

a second receiving unit which receives a non-encoded video signal from the video signal processing apparatus;

a video processing unit which processes one of the encoded video signal received by the first receiving unit and the non-encoded video signal received by the second receiving unit; and

a display unit which displays the encoded or non-encoded video signal processed by the video processing unit.

13. The display apparatus according to claim 12 further comprising a distance determining unit which determines a transmission distance from the video signal processing apparatus to the display apparatus according to a sensitivity of the encoded or non-encoded video signal which is received from the video signal processing apparatus.

14. A video signal processing method comprising:

receiving a video signal;

processing the video signal which is received, wherein the processing comprises encoding the video signal if a transmission distance from a display apparatus is greater than a reference distance; and

transmitting the processed video signal to the display apparatus using wireless communication.

15. The video signal processing method according to claim 14, wherein the reference distance is a maximum transmission distance which a non-encoded video signal can be transmitted.

16. The video signal processing method according to claim 14, wherein the processing comprises encoding the video signal if the transmission distance from the display apparatus is less than the reference distance and a picture quality of the video signal is equal to or less than a reference picture quality.

17. The video signal processing method according to claim 16, wherein the reference picture quality is standard definition.

18. The video signal processing method according to claim 14, wherein the processed video signal is transmitted using IEEE 802.11n communication if the processed video signal is encoded.

19. The video signal processing method according to claim 14, wherein the processed video signal which is transmitted by at least one of UWB communication and millimeter wave communication if the processed video signal is not encoded.