Apparatus for processing signals

• US 7,119,852 B1
• Filed: 04/04/2000
• Issued: 10/10/2006
• Est. Priority Date: 04/06/1999
• Status: Expired due to Term

• Current Assignee: TP Vision Holding BV (TPV Technology Co., Ltd. (f/k/a Nanjing Huadong Electronics Information & Technology))
• Original Assignee: Koninklijke Philips N.V.
• Inventors: Vandeginste, Gudrun
• Primary Examiner(s): Natnael, Paulos M.
• Application Number:
  US09/543,016
• Time in Patent Office: 2,380 Days
• Field of Search: 348/602, 348/603, 348/604, 348/606, 348/571, 348/627, 348/678, 348/563, 348/569, 348/687, 345/690
• US Class Current: 348/602
• CPC Class Codes: H04N 21/42202 environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
• CPC Class Codes: H04N 21/4318 by altering the content in the rendering process, e.g. blanking, blurring or masking an image region image enhancement or restoration in general G06T5/00
• CPC Class Codes: H04N 21/47 End-user applications
• CPC Class Codes: H04N 21/4854 for modifying image parameters, e.g. image brightness, contrast
• CPC Class Codes: H04N 5/58 in dependence upon ambient light

Abstract

The invention relates to an apparatus for processing signals, comprising parameter control means for controlling parameters of said signals in response to manual adjustments by the user as well as automatically generated adjustments based on current ambient factors or properties of said signals. The apparatus according to the invention comprises indicator means for presenting a level indicator which is indicative of the combined result of the manual and automatic adjustments.

Claims

1. An apparatus for processing signals, comprising:

parameter control means for controlling a parameter of said signals, said parameter control means computing adjustments to said parameter as a function of both (i) a preferred parameter level for the parameter and (ii) at least one of;

a current ambient factor and a property of said signals;

first indicator means for presenting a first level indicator which is indicative of said computed adjustments; and

second indicator means for presenting a second level indicator which is indicative of the preferred parameter level, wherein said signals comprise video signals, wherein said parameter comprises a picture parameter, and wherein said current ambient factor comprises ambient light.

2. The apparatus as claimed in claim 1, wherein said apparatus further comprises:

user control means for setting the preferred parameter level to be input into said parameter control means, wherein said preferred parameter level is selected by a user from a plurality of parameter levels.

3. The apparatus as claimed in claim 2, wherein said picture parameter comprises one of:

luminance, contrast, and brightness saturation.

4. A television receiver comprising an apparatus as claimed in claim 1.

5. The apparatus as claimed in claim 1, wherein said picture parameter comprises one of:

luminance, contrast, and brightness saturation.

6. The apparatus of claim 1, wherein the first level indicator continuously follows the computed adjustments as the computed adjustments vary.

7. The apparatus of claim 1, wherein the first level indicator indicates a combined effect of the preferred parameter level and the at least one of:

the current ambient factor and the property of the signals.

8. A method for processing signals, comprising the steps of:

controlling a parameter of said signals by computing adjustments to the parameter as a function of both (i) a preferred parameter level for the parameter and (ii) at least one of;

a current ambient factor and a property of said signals;

presenting a first level indicator which is indicative of said computed adjustments; and

presenting a second level indicator which is indicative of the preferred parameter level,

wherein said method further comprises the steps of;

selecting the preferred parameter level from a plurality of parameter levels; and

setting said selected preferred parameter level.

9. The method as claimed in claim 8, wherein said signals comprise video signals, wherein said parameter comprises a picture parameter, and wherein said current ambient factor comprises ambient light.

10. The method as claimed in claim 9, wherein said picture parameter comprises one of:

luminance, contrast, and brightness saturation.

11. A method of operating a television receiver comprising a method as claimed in claim 8.

12. The method of operating a television receiver as claimed in claim 11, wherein said signals comprise video signals, wherein said parameter comprises a picture parameter, and wherein said current ambient factor comprises ambient light.

13. A method for processing signals, comprising the steps of:

controlling a parameter of said signals by computing adjustments to the parameter as a function of both (i) a preferred parameter level for the parameter and (ii) at least one of;

a current ambient factor and a property of said signals;

presenting a first level indicator which is indicative of said computed adjustments; and

presenting a second level indicator which is indicative of the preferred parameter level,

wherein said signals comprise video signals, wherein said parameter comprises a picture parameter, and wherein said current ambient factor comprises ambient light.

14. The method as claimed in claim 13, wherein said wherein said picture parameter comprises one of:

luminance, contrast, and brightness saturation.

15. A method of operating a television receiver comprising a method for processing signals, comprising the steps of;

controlling a parameter of said signals by computing adjustments to the parameter as a function of both (i) a preferred parameter level for the parameter and (ii) at least one of;

a current ambient factor and a property of said signals;

presenting a first level indicator which is indicative of said computed adjustments; and

presenting a second level indicator which is indicative of the preferred parameter level,

wherein said signals comprise video signals, wherein said parameter comprises a picture parameter, and wherein said current ambient factor comprises ambient light.

16. The method of operating a television receiver as claimed in claim 15, wherein said wherein said picture parameter comprises one of:

luminance, contrast, and brightness saturation.