Recording device, recording control method and non-transitory computer readable medium thereof

• US 10,290,324 B2
• Filed: 08/17/2015
• Issued: 05/14/2019
• Est. Priority Date: 02/25/2015
• Status: Active Grant

• Current Assignee: HTC Corporation
• Original Assignee: HTC Corporation
• Inventors: Lai, Jen-Cheng, Hsu, Jia-Yuan, Tan, Tzu-Chia, Kuo, Chih-Yao, Lin, Chun-Hao, Wu, Szu-Han
• Primary Examiner(s): Tran, Thai Q
• Assistant Examiner(s): Yang, Nien
• Application Number:
  US14/828,501
• Publication Number:
  US 20160249011A1
• Time in Patent Office: 1,366 Days
• Field of Search: 386200
• CPC Class Codes: G11B 27/10 Indexing; Addressing; Timing or synchronising; Measuring tape travel
• CPC Class Codes: H04N 23/60 Control of cameras or camera modules
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/77 between a recording apparatus and a television camera

Abstract

A recording device includes a camera component, a temperature sensor, and a processing component. The camera component is configured to capture a video to generate video data. The temperature sensor is configured to detect an operating temperature of the recording device. The processing component is configured to process the video data, and to enable the camera component to dynamically adjust at least one of a data rate of the video data and a frame rate of the video data according to the operating temperature during the camera component captures the video.

Claims

1. A recording device, comprising:

a camera configured to capture a video to generate video data;

a temperature sensor configured to detect an operating temperature of the recording device; and

a processor configured to process the video data, and to control the camera to capture the video,

wherein when the processor controls the camera to use at least one of the data rate and the frame rate to capture the video, the processor is further configured to start to record a recording time, wherein the recording time identifies the length of time that video has been recorded,

wherein after the processor starts to record the recording time, the processor is further configured to determine whether the recording time of the video exceeds a first time period, wherein the first time period identifies a fixed time length of the video captured by the camera,

wherein when the processor determines that the recording time does not exceed the first time period, the processor controls the camera to still use the at least one of the data rate and the frame rate to capture the video, and wherein when the processor determines that the recording time exceeds the first time period, the processor is configured to enable the camera to adjust the at least one of the data rate and the frame rate according to the operating temperature,

wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is higher than an upper temperature threshold for every second time period after the recording time exceeds the first time period, wherein the first time period is larger than the second time period;

wherein, in response to determining that the operating temperature is higher than the upper temperature threshold, the processor is further configured to perform one of enable the camera to decrease the data rate of the video data, enable the camera to decrease the frame rate of the video data, and terminate the camera from capturing the video.

2. The recording device of claim 1, wherein the processor is further configured to:

in response to determining that the operating temperature is higher than the upper temperature threshold, determine whether the data rate is higher than a first lower bound; and

in response to determining that the data rate is higher than the first lower bound, enable the camera to decrease the data rate of the video data by a first predetermined amount.

3. The recording device of claim 2, wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is lower than a lower temperature threshold when the operating temperature is lower than the upper temperature threshold, and the camera is enabled to recover the at least one of the data rate of the video data and the frame rate of the video data when the operating temperature is lower than the lower temperature threshold.

4. The recording device of claim 3, wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is higher than the upper temperature threshold after the data rate of the video data is decreased or when the operating temperature is higher than the lower temperature threshold.

5. The recording device of claim 2, wherein the processor is further configured to:

in response to determining that the data rate is lower than the first lower bound, determine whether the frame rate of the video data is higher than a second lower bound; and

in response to determining that the frame rate of the video data is higher than the second lower bound, enable the camera to decrease the frame rate of the video data by a second predetermined amount.

6. The recording device of claim 5, wherein the processor is further configured to:

in response to determining that the recording time exceeds the first time period, the operating temperature is higher than the upper temperature threshold, the data rate is lower than the first lower bound, and the frame rate of the video data is lower than the second lower bound, count down from a predetermined count-down time;

output a message for reminding a user that the camera is going to stop capturing the video within the predetermined count-down time; and

terminate the camera from capturing the video when the predetermined count-down time is reached.

7. The recording device of claim 5, wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is higher than the upper temperature threshold after the frame rate of the video data is decreased.

8. A recording control method for an electronic device, the method comprising:

capturing a video using at least one of a data rate and a frame rate, by a camera of the electronic device, to generate a video data;

detecting an operating temperature of the electronic device by a temperature sensor of the electronic device; and

enabling the camera to dynamically adjust the at least one of the data rate and the frame rate, by a processor of the electronic device, according to the operating temperature during the camera captures the video, further comprising;

starting to record a recording time, by the processor, when the camera to use the at least one of the data rate and the frame rate to capture the video, wherein the recording time identifies a length of time that video has been recorded; and

determining whether the recording time of the video exceeds a first time period by the processor after the processor starts to record the recording time, wherein the first time period identifies a basic time length of the video captured by the camera, and

wherein when the processor determines that the recording time does not exceed the first time period, the processor controls the camera to still use the at least one of the data rate and the frame rate to capture the video, and

wherein when the processor determines that the recording time exceeds the first time period, the processor enables the camera to adjust the at least one of the data rate and the frame rate according to the operating temperature,

wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is higher than an upper temperature threshold for every second time period after the recording time exceeds the first time period, wherein the first time period is larger than the second time period;

wherein, in response to determining that the operating temperature is higher than the upper temperature threshold, the processor is further configured to perform one of enable the camera to decrease the data rate of the video data, enable the camera to decrease the frame rate of the video data, and terminate the camera from capturing the video.

9. The recording control method of claim 8, wherein the step of enabling the camera comprises:

in response to determining that the operating temperature is higher than the upper temperature threshold, determining whether the data rate is higher than a first lower bound, by the processor; and

in response to determining that the data rate is higher than the first lower bound, enable the camera to decrease the data rate of the video data by a first predetermined amount by the camera.

10. The recording control method of claim 9, further comprising:

determining whether the operating temperature sensed by the temperature sensor is lower than a lower temperature threshold, by the processor, when the operating temperature is lower than the upper temperature threshold; and

recovering the at least one of the data rate of the video data and the frame rate of the video data, by the camera, when the operating temperature is lower than the lower temperature threshold.

11. The recording control method of claim 10, further comprising:

determining whether the operating temperature sensed by the temperature sensor is higher than the upper temperature threshold, by the processor, after the data rate of the video data is decreased or when the operating temperature is higher than the lower temperature threshold.

12. The recording control method of claim 9, further comprising:

in response to determining that the data rate is lower than the first lower bound, determining whether the frame rate of the video data is higher than a second lower bound, by the processor; and

in response to determining that the frame rate of the video data is higher than the second lower bound, enable the camera to decrease the frame rate of the video data by a second predetermined amount.

13. The recording control method of claim 12, further comprising:

in response to determining that the recording time exceeds the first time period, the operating temperature is higher than the upper temperature threshold, the data rate is lower than the first lower bound, and the frame rate of the video data is lower than the second lower bound,

counting down from a predetermined count-down time by the processor;

outputting a message by the processor, for reminding a user that the camera is going to stop capturing the video within the predetermined count-downtime; and

terminating the camera from capturing the video, by the processor, when the predetermined count-down time is reached.

14. The recording control method of claim 12, further comprising:

determining whether the operating temperature sensed by the temperature sensor is higher than the upper temperature threshold, by the processor, after the frame rate of the video data is decreased.

15. A non-transitory computer readable medium having a computer program which, when executed by a processor of an electronic device, result in the processor performing operations comprising:

enabling a camera to capture a video using at least one of a data rate and a frame rate, so as to generate a video data;

enabling a temperature sensor to detect an operating temperature of the electronic device; and

enabling the camera to dynamically adjust the at least one of the data rate and the frame rate of the video data according to the operating temperature during the camera captures the video, further comprising;

enabling the processor to start to record a recording time when the camera is enabled to use the at least one of the data rate and the frame rate to capture the video, wherein the recording time identifies a length of time that video has been recorded; and

enabling the processor to determine whether the recording time of the video exceeds a first time period after the processor is enabled to start to record the recording time, wherein the first time period identifies a basic time length of the video captured by the camera, and

wherein when the processor determines that the recording time does not exceed the first time period, the processor controls the camera to still use the at least one of the data rate and the frame rate to capture the video, and

wherein when the processor determines that the recording time exceeds the first time period, the processor enables the camera to adjust the at least one of the data rate and the frame rate according to the operating temperature,

wherein the processor is further configured to determine whether the operating temperature sensed by the temperature sensor is higher than an upper temperature threshold for every second time period after the recording time exceeds the first time period, wherein the first time period is larger than the second time period;

wherein, in response to determining that the operating temperature is higher than the upper temperature threshold, the processor is further configured to perform one of enable the camera to decrease the data rate of the video data, enable the camera to decrease the frame rate of the video data and terminate the camera from capturing the video.

16. The non-transitory computer readable medium of claim 15, wherein the operation of enabling the camera comprising:

In response to determining that the operating temperature is higher than an upper temperature threshold and the data rate is higher than a first lower bound, decreasing the data rate of the video data by a first predetermined amount; and

In response to determining that the operating temperature is higher than the upper temperature threshold, the data rate is lower than the first lower bound, and the frame rate of the video data is higher than a second lower bound, decreasing the frame rate of the video data by a second predetermined amount.