Method and apparatus for hosting a network camera with refresh degradation

• US 7,015,949 B1
• Filed: 04/12/2001
• Issued: 03/21/2006
• Est. Priority Date: 04/12/2001
• Status: Expired due to Term

• Current Assignee: Sony Semiconductor Solutions Corporation (Sony Group Corp.)
• Original Assignee: IPIX Corporation
• Inventors: Sah, Adam D.
• Primary Examiner(s): Ometz, David
• Assistant Examiner(s): TRAN, NHAN T
• Application Number:
  US09/835,033
• Time in Patent Office: 1,804 Days
• Field of Search: 348/207.1, 348/211.1, 348/14.08, 348/143, 348153-159, 709223-229, 709/233, 725/10, 725/105
• US Class Current: 348/207.1
• CPC Class Codes: H04N 1/00244 with a server, e.g. an internet server fax-servers or the like for store and forward H04N1/324
• CPC Class Codes: H04N 1/2112 using still video cameras
• CPC Class Codes: H04N 1/2133 Recording or reproducing at a specific moment, e.g. time interval or time-lapse
• CPC Class Codes: H04N 21/4223 Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 21/6125 involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/8153 comprising still images, e.g. texture, background image

Abstract

A method and apparatus for providing an improved Internet camera is described. The method of keeping a refreshed image from a camera on a user'"'"'s system comprises sending the image to the user'"'"'s system and refreshing the image when a refresh period has elapsed. The method further comprises decreasing a frequency of the refresh after a period of time.

Claims

1. A method for refreshing an image, the method comprising:

(a) capturing an image with a camera;

(b) sending the image to a user'"'"'s computer system;

(c) refreshing the image, the step of refreshing the image comprising;

(i) capturing a refreshed image with the camera, and

(ii) sending the refreshed image to the user'"'"'s computer system, wherein at least a portion of the step of refreshing the image is performed when a refresh period has elapsed;

(d) determining whether to increase the refresh period, wherein the step of determining whether to increase the refresh period comprises determining

whether the image is visually obstructed on the user'"'"'s computer system, wherein the act of determining whether the image is visually obstructed on the user'"'"'s computer system comprises determining whether the image is covered by a window

(e) increasing the refresh period in response to determining that the image is visually obstructed on the user'"'"'s computer system.

2. The method of claim 1, wherein the step of increasing the refresh period comprises increasing the refresh period along an exponential curve.

3. The method of claim 1, wherein at least a portion of the step of refreshing the image is no longer performed after a second period of time has elapsed.

4. The method of claim 3, further comprising visually indicating to the user that refreshing has stopped, wherein the act of visually indicating is performed after the second period of time has elapsed.

5. The method of claim 1, wherein the step of determining whether to increase the refresh period is performed periodically.

6. The method of claim 5, wherein the period for determining whether to increase the refresh period is greater than the refresh period.

7. The method of claim 1, wherein the step of determining whether to increase the refresh period is performed when the refresh period has elapsed.

8. The method of claim 1, wherein the step of determining whether to increase the refresh period is performed when a timer reaches a preset value.

9. The method of claim 1, wherein the step of determining whether to increase the refresh period is performed when a counter reaches a preset value.

10. The method of claim 1, further comprising permitting the user to change the refresh period.

11. An apparatus to refresh an image, the apparatus comprising:

(a) a network connection, wherein the network connection is operable for communicating images from a camera to a user'"'"'s computer system;

(b) a refresh logic configured to refresh an image captured by the camera upon lapse of a refresh period, the refresh logic being configured to refresh an image by sending a refreshed image to the user'"'"'s computer system via the network connection;

(c) a refresh rate logic in communication with the refresh logic, wherein the refresh rate logic is configured to determine whether the refresh period should be changed, the refresh rate logic being further configured to change the refresh period in response to a determination that the refresh period should be increased, wherein the refresh rate logic is in communication with an activity monitor configured to monitor activity of the user, wherein the refresh rate logic is configured to determine whether the refresh period should be changed based at least in part on one or more communications from the activity monitor, wherein the activity monitor is configured to monitor;

whether the image is visually obstructed on the user'"'"'s computer system.

12. The apparatus of claim 11, wherein the refresh period is set to infinity after a certain period of time has elapsed.

13. The apparatus of claim 11, wherein the refresh rate logic is configured to communicate with the refresh logic periodically.

14. The apparatus of claim 11, wherein the refresh rate logic is configured to periodically determine whether the refresh period should be changed.

15. The apparatus of claim 11, wherein the activity monitor is configured to determine at:

whether a window displaying the image is visually obstructed by another window.

16. A method for refreshing an image, the method comprising:

(a) capturing an image with a camera;

(b) sending the image to a user'"'"'s computer system;

(c) refreshing the image, the step of refreshing the image comprising;

(i) capturing a refreshed image with the camera, and

(ii) sending the refreshed image to the user, wherein at least a portion of the step of refreshing the image is performed when a refresh period has elapsed;

(d) determining whether to increase the refresh period, wherein the step of determining whether to increase the refresh period comprises determining whether the image is visually obstructed on the user'"'"'s computer system; and

(e) increasing the refresh period in response to determining that the image is visually obstructed on the user'"'"'s computer system.

17. The method of claim 16, further comprising

(f) counting the number of times the step of refreshing the image has been performed;

and

(g) increasing the refresh period when the step of refreshing the image has been performed a certain number of times.