CN104936019B - Method based on user's viewing distance adjustment television picture size - Google Patents

Method based on user's viewing distance adjustment television picture size Download PDF

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Publication number
CN104936019B
CN104936019B CN201510313462.3A CN201510313462A CN104936019B CN 104936019 B CN104936019 B CN 104936019B CN 201510313462 A CN201510313462 A CN 201510313462A CN 104936019 B CN104936019 B CN 104936019B
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CN
China
Prior art keywords
viewing distance
user
television
picture size
standard value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510313462.3A
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Chinese (zh)
Other versions
CN104936019A (en
Inventor
王雪萍
唐军
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201510313462.3A priority Critical patent/CN104936019B/en
Publication of CN104936019A publication Critical patent/CN104936019A/en
Application granted granted Critical
Publication of CN104936019B publication Critical patent/CN104936019B/en
Expired - Fee Related legal-status Critical Current
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • H04N21/4858End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/441Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
    • H04N21/4415Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Strategic Management (AREA)
  • Finance (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention discloses a kind of method based on user's viewing distance adjustment television picture size, comprise the following steps:According to the computational methods of the nearest viewing distance of screen parameter setup algorithm of target television set, viewing distance standard value is calculated, is stored in system for TV set;Infrared detecting set detects the viewing distance of a user at interval of a period of time, and system for TV set stores the real data of viewing distance;When real data is less than viewing distance standard value, system for TV set then obtains the currently playing program category of smart television according to EPG or network;When program category is children's class program, then according to the scaled television picture size of viewing distance.Stringent control children's close-range TV view of the invention, ensure that the quality of life of people, protects the body of user to preserve from.

Description

Method based on user's viewing distance adjustment television picture size
Technical field
The present invention relates to smart television, and in particular to a kind of side based on user's viewing distance adjustment television picture size Method.
Background technology
The overall transformation of China's cable digital TV is just carried out in full preparation, from traditional analog to modern digital In the conversion process of pattern, government and (it is related to equipment supplier, content supplier and integrated in relation to each side in industrial chain Business, Virtual network operator etc.) war without the smoke of gunpowder all is being carried out, none is moved ahead in groping;With TV industry The continuous progress of technology, the rate of myopia of society children is higher and higher now, and body receives the influence of various pollutions, rate of myopia lifting A very big factor is exactly because increasing for electronic product, electronic product is used from small.Need the existing situation of appropriate improvement Quite it is necessary.Traditional TV has two defects in viewing distance problem:
First:The most short viewing distance of various sizes of TV does not have income judgement;
Second:Simply remind user distance excessively near in the range of minimum distance, proper treatment is not done to television image, is subtracted Few harm to people's body.
The content of the invention
The present invention overcomes the deficiencies in the prior art, there is provided a kind of to adjust television picture size based on user's viewing distance Method.
Judge each TV to people's eyesight influence, the less minimum viewing distance of body harm according to TV size.Infrared spy Measure someone's viewing distance and be less than standard value, then allow user to move viewing distance, or the sight according to programme content and user See that distance adjusts the size of picture, achieve the purpose that to protect user's eyesight, body etc..
To solve above-mentioned technical problem, the present invention uses following technical scheme:
A kind of method based on user's viewing distance adjustment television picture size, the method comprise the following steps:
Step 1: infrared detecting set is set on target television set, for detecting the viewing distance of user;
Step 2: according to the computational methods of the nearest viewing distance of screen parameter setup algorithm of target television set, and calculate Go out the viewing distance standard value of television set, be stored in system for TV set;
Step 3: when user watches TV, the infrared detecting set detects the viewing of a user at interval of a period of time Distance, the real data of the system for TV set storage viewing distance;
Step 4: when the real data is less than the viewing distance standard value, the system for TV set sends prompting User expands the prompt message of viewing distance, after certain interval of time, real data that the infrared detecting set detects During still less than viewing distance standard value, system for TV set then obtains the currently playing section of smart television according to EPG or network Mesh type;
Step 5: when the program category in the step 4 is children's class program, then contracted in proportion according to viewing distance Small tv picture dimension.
Further technical solution is further included when the real data is greater than or equal to the viewing distance standard value When, the TV set image size constancy step.
Further technical solution is further included when the program category in the step 4 is non-children's class program, institute State TV set image size constancy step.
Further technical solution is infrared detecting set described in step 3 at interval of detection one in five minutes to ten minutes The viewing distance of secondary user.
Further technical solution is the institute in step 4 when the real data is less than the viewing distance standard value State system for TV set and send the prompt message that prompting user expands viewing distance, it is described infrared after being spaced ten seconds to one minute When the real data that survey meter detects is still less than viewing distance standard value, system for TV set is then according to EPG or network Obtain the currently playing program category of smart television.
Further technical solution is further included when the program category in the step 4 is non-children's class program, institute Television set is stated then according to the scaled television picture size step of viewing distance.
Further technical solution is that target television set is intelligent TV set.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention judges that human body preserves from according to TV size Viewing distance standard value, children do not have a control ability, only television set automatic adjustment picture dimension size, just can guarantee that Virgin eyesight is unaffected, and the present invention does not influence adult and watches TV programme, only reminds user.Stringent control children closely see See TV, ensure that the quality of life of people, protect the body of user to preserve from.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated, Replaced by other equivalent or with similar purpose alternative features.I.e., unless specifically stated, each feature is a series of An example in equivalent or similar characteristics.
The embodiment of the present invention is described in detail with reference to embodiment.
According to one embodiment of present invention, the present embodiment discloses a kind of based on user's viewing distance adjustment television image ruler Very little method, specifically, this method comprises the following steps:
Step 1, manufacture smart television when, infrared detecting set is installed on smart television, to detect the viewing of user away from From.
Step 2, TV dispatch from the factory before according to the method for the nearest viewing distance of screen parameter setup algorithm of current television, and count The viewing distance standard value x of various sizes TV is calculated, is stored in Intelligent television terminal system, easy to use later.Such as It is x1=2.5m to calculate the nearest viewing distance of 43 cun of LCD TV.Then affect vision less than 2.5m, influence health, will 2.5m is considered as the standard value of 43 cun of LCD TVs.The nearest viewing distance of 49 cun of LCD TV is that x2=2.8m. is less than 2.8m then shadows Eyesight is rung, health is influenced, 2.8m is considered as to the standard value etc. of 49 cun of LCD TVs.
Step 3, size and screen classification according to current intelligent television system acquisition of information TV.For example system obtains It is 43 cun of LCD TVs to take current television.
When step 4, user open television-viewing TV, infrared detecting set at regular intervals is detected to the sight of a user See distance and read the real data s of viewing distance, as five minutes to the ten minutes infrared detecting sets in interval detect a user Viewing distance and the real data s for reading viewing distance, to ensure that data are accurate, then each detection time can be arranged as required to Longer interval time.
If the data s detected in step 5, step 4 is more than the viewing distance standard value x in step 2, need not appoint Where is managed, i.e. TV set image size remains unchanged.Such as work as s=2.6m, then system for TV set is without any processing.
If data s is less than the viewing distance standard value x in step 2 in step 6, step 4, user shift position is first prompted To position farther out, if after a bit of time, after being spaced ten seconds to one minute, detection data is still less than viewing distance standard Value x, then obtain the currently playing program category of smart television according to EPG or network.Such as work as s=2.0m, then system is by basis The program class that EPG obtains programme televised live is held, and the program class that request program is obtained by network is held, and judges program category.
If the program category in step 7, step 6 is children's class program, according to the scaled TV of viewing distance Picture dimension, ensures that eyesight, body of children etc. preserve from.If s=2.0m in step 6, then system automatic adjustment picture Size is original 0.75 times.
If program category is non-children's class program in step 8, step 6, system is without any processing to television image, i.e., Television picture size remains unchanged.
Alternatively, if it is non-children's class program to work as program category in step 6, system for TV set can also be according to viewing distance Scaled television picture size.
" one embodiment " for being spoken of in the present specification, " another embodiment ", " embodiment ", etc., refer to tying Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining When one embodiment describes a specific features, structure or feature, what is advocated is to realize this with reference to other embodiment Kind feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiments invented, however, it is to be understood that this Field technology personnel can be designed that a lot of other modifications and embodiment, these modifications and embodiment will fall in the application Within disclosed spirit and spirit.More specifically, can be to theme group in the range of disclosure claim The building block and/or layout for closing layout carry out a variety of variations and modifications.Except the modification carried out to building block and/or layout Outer with improving, to those skilled in the art, other purposes also will be apparent.

Claims (7)

  1. A kind of 1. method based on user's viewing distance adjustment television picture size, it is characterised in that:The method include with Lower step:
    Step 1: infrared detecting set is set on target television set, for detecting the viewing distance of user;
    Step 2: according to the computational methods of the nearest viewing distance of screen parameter setup algorithm of target television set, and calculate electricity Depending on the viewing distance standard value of machine, it is stored in system for TV set;
    Step 3: when user watches TV, the infrared detecting set detects the viewing distance of a user at interval of a period of time, The real data of the system for TV set storage viewing distance;
    Step 4: when the real data is less than the viewing distance standard value, the system for TV set sends prompting user Expand the prompt message of viewing distance, after certain interval of time, the real data that the infrared detecting set detects is still During less than viewing distance standard value, system for TV set then obtains the currently playing program class of smart television according to EPG or network Type;
    Step 5: when the program category in the step 4 is children's class program, then according to the scaled electricity of viewing distance Depending on picture dimension.
  2. 2. the method according to claim 1 based on user's viewing distance adjustment television picture size, it is characterised in that also Including when the real data is greater than or equal to the viewing distance standard value, the step of the TV set image size constancy Suddenly.
  3. 3. the method according to claim 1 based on user's viewing distance adjustment television picture size, it is characterised in that also Including when the program category in the step 4 is non-children's class program, the step of the TV set image size constancy.
  4. 4. the method according to claim 1 based on user's viewing distance adjustment television picture size, it is characterised in that institute Viewing distance of the infrared detecting set described in the step of stating three at interval of the user of detection in five minutes to ten minutes.
  5. 5. the method according to claim 1 based on user's viewing distance adjustment television picture size, it is characterised in that institute In the step of stating four when the real data is less than the viewing distance standard value, the system for TV set sends prompting user Expand the prompt message of viewing distance, after being spaced ten seconds to one minute, real data that the infrared detecting set detects During still less than viewing distance standard value, system for TV set then obtains the currently playing section of smart television according to EPG or network Mesh type.
  6. 6. the method according to claim 1 based on user's viewing distance adjustment television picture size, it is characterised in that also Including when the program category in the step 4 is non-children's class program, the television set then contracts in proportion according to viewing distance The step of small tv picture dimension.
  7. 7. television picture size is adjusted based on user's viewing distance according to any one of claim 1 to 6 claim Method, it is characterised in that the target television set is intelligent TV set.
CN201510313462.3A 2015-06-09 2015-06-09 Method based on user's viewing distance adjustment television picture size Expired - Fee Related CN104936019B (en)

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN109729422B (en) 2018-12-24 2021-02-12 惠科股份有限公司 Display control method and display device
CN112243152A (en) * 2019-07-18 2021-01-19 深圳Tcl新技术有限公司 Method for adjusting picture size, intelligent terminal and storage medium
CN111356222A (en) * 2020-03-13 2020-06-30 华为技术有限公司 Transmission power adjustment method, terminal, storage medium, and electronic device
CN112911358B (en) * 2021-01-12 2023-01-20 海信视像科技股份有限公司 Laser television and human eye protection method based on laser television
CN115883924A (en) * 2022-11-16 2023-03-31 深圳创维-Rgb电子有限公司 Prompting method and device, electronic equipment and storage medium

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CN201541292U (en) * 2009-05-27 2010-08-04 东莞市安尔发电子科技有限公司 Television intelligent environment-friendly vision protecting device
CN104125495A (en) * 2013-04-25 2014-10-29 鸿富锦精密工业(深圳)有限公司 Screen size adjustment system and method

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Publication number Priority date Publication date Assignee Title
CN101188665A (en) * 2007-11-05 2008-05-28 康佳集团股份有限公司 An intelligent adjusting method and device for TV set image
CN201541292U (en) * 2009-05-27 2010-08-04 东莞市安尔发电子科技有限公司 Television intelligent environment-friendly vision protecting device
CN104125495A (en) * 2013-04-25 2014-10-29 鸿富锦精密工业(深圳)有限公司 Screen size adjustment system and method

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