CN101339672A - Electric appliance usage time setting method - Google Patents
Electric appliance usage time setting method Download PDFInfo
- Publication number
- CN101339672A CN101339672A CNA2008103039008A CN200810303900A CN101339672A CN 101339672 A CN101339672 A CN 101339672A CN A2008103039008 A CNA2008103039008 A CN A2008103039008A CN 200810303900 A CN200810303900 A CN 200810303900A CN 101339672 A CN101339672 A CN 101339672A
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- China
- Prior art keywords
- electric appliance
- electrical equipment
- usage time
- service time
- time
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention relates to a timing technology and provides a setting method of recording the usage time of an electric appliance with a function of preventing data from being modified. With regard to the setting method of recording the usage time of the electric appliance, a data modification protective region of a system memory is equipped with a storage area and a specific mark for keeping the usage time of the electric appliance, and the data in the storage area which keeps the usage time of the electric appliance is cleared; when being used for turning on and electrifying the electric appliance, the specific mark is automatically read by the system and then the usage time unit of the electric appliance is started for timing, which causes the system to normally operate; if the system fails to read the specific mark, the system can not normally operate. Once a user begins to turn on and electrify the electric appliance for the first time, the electric appliance starts to time the usage time which only can be read, the data can not be modified by the user; and the timing technology of the invention can avoid common staffs from changing the record of the television usage time by replacing the memory.
Description
Technical field
The present invention relates to the timing technology.
Background technology
At present, the evaluation of the guarantee time of general electrical equipment (as televisor) is to calculate by the time of purchasing the machine invoice.Because many users purchase the machine invoice and preserve badly, often can not find when electrical equipment breaks down and purchase the machine invoice or damaged and be beyond recognition the date.Can't confirm so whether this machine is under warranty, cause user and producer to cause a dispute with regard to the guarantee problem.In addition, some personnel utilizes false invoice to gain guarantee by cheating, causes the economic loss of producer.Therefore never good mode is added up electrical equipment service time.
Summary of the invention
Technical matters to be solved by this invention is, the method to set up of a kind of record electrical equipment service time of anti-change is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be, electrical equipment method to set up service time, preservation electrical equipment memory block and the special sign of service time are set in the data change protection zone of system storage, and will preserve the data zero clearing in the electrical equipment memory block of service time; Described special sign is used for electrical equipment starts shooting when switching on, and after the unit service time timing of startup electrical equipment, system is normally moved after being read automatically by system; If system can not successfully read special sign and then can't normally move.
Further, described special sign comprises beginning flag, accumulative total sign; Beginning flag is used to notify the timing of starting from scratch of electrical equipment unit service time; The accumulative total sign is used to notify the accumulative total timing of electrical equipment unit service time; After described beginning flag is read for the first time, become the accumulative total sign automatically.
The invention has the beneficial effects as follows, in case the electrical equipment user starts shooting for the first time and powers on, electrical equipment just begins carrying out timing service time, this time can only read, the user can't change data, and can prevent that general personnel from carrying out the TV record change of service time by renewing storer, can be used as effective foundation of guarantee, maintenance.
Embodiment
With the televisor is example, utilizes CPU, the EEPROM (system storage) of existing televisor, factory's Default Value key to finish the present invention, on the circuit, need not increase cost substantially on the general television set basis.General CPU has crystal oscillator (crystal oscillator of CPU inside is electrical equipment unit service time), clocking, utilize this clock signal to carry out the TV timing of service time, by CPU control crystal oscillator carry out the writing function of time startup, count, add up, and time data is deposited in the EEPROM.When needs are checked writing time, can or enter maintenance mode by the specified button on the telepilot, send and check instruction, CPU accesses data writing time according to instruction from EEPROM, by the OSD mode, be presented on the TV screen.This time data can only be read, and can't carry out manual modification, can guarantee the authenticity of writing time.
In common TV software, add the TV writing function software module of service time, according to record amount size, calculate the capacity of EEPROM on the circuit, choose suitable EEPROM.During software design, utilize the clock signal of CPU crystal inside oscillator self,, when the user brings into use televisor for the first time, begin to carry out timing by the beginning flag of Default Value.Specific region at EEPROM writes special sign in advance, and televisor is read special sign from the specific region of EEPROM earlier during start, is beginning flag when dispatching from the factory, the timing of starting from scratch, and the special sign in the specific region of EEPROM becomes the accumulative total sign automatically simultaneously.Next time start, the special sign from the specific region of EEPROM that CPU reads then are that accumulative total indicates, and CPU then begins the accumulative total timing, and time data is counted the specific region of EEPROM, and program is provided with the data change protection in this specific region simultaneously.Except that CPU can change the data automatically by logging program, other manually change the EEPROM data mode can't change this area data, guarantees the true and reliable of data.Time data can be given an order according to CPU, is presented on the TV screen by the OSD mode.The time precision of time data with hour or littler precision be unit.
When production line is produced or when carrying out other experiments, the clocking capability of TV service time is in closed condition, convenient production, do not influence writing time, complete machine dispatch from the factory before rolling off the production line last the energising station, carry out the Default Value of video parameter by the Default Value frock, in the data change protection zone of EEPROM special sign is set, and will preserves the data zero clearing in the TV memory block of service time; The user buys TV and goes home, and special sign is read in start energising for the first time, and TV writing function service time just begins to start, and carries out timing, and each later on start adds up timing.If the new EEPROM of maintain and replace, must carry out inserting of data zero clearing in the TV memory block of service time and special sign by the specialized maintenance personnel, CPU detects the special sign among the EEPROM when each start, if do not have, TV can not normally be watched, and provide prompting message, prevent that general personnel from carrying out change to record TV service time by renewing EEPROM.
Claims (2)
1. electrical equipment method to set up service time is characterized in that, is provided with in the data change protection zone of system storage to preserve electrical equipment memory block and the special sign of service time, and will preserves the data zero clearing in the electrical equipment memory block of service time; Described special sign is used for electrical equipment starts shooting when switching on, and after the unit service time timing of startup electrical equipment, system is normally moved after being read automatically by system; If system can not successfully read special sign and then can't normally move.
2. electrical equipment method to set up service time according to claim 1 is characterized in that, described special sign comprises beginning flag, accumulative total sign; Beginning flag is used to notify the timing of starting from scratch of electrical equipment unit service time; The accumulative total sign is used to notify the accumulative total timing of electrical equipment unit service time; After described beginning flag is read for the first time, become the accumulative total sign automatically
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103039008A CN101339672A (en) | 2008-08-15 | 2008-08-15 | Electric appliance usage time setting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103039008A CN101339672A (en) | 2008-08-15 | 2008-08-15 | Electric appliance usage time setting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101339672A true CN101339672A (en) | 2009-01-07 |
Family
ID=40213732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008103039008A Pending CN101339672A (en) | 2008-08-15 | 2008-08-15 | Electric appliance usage time setting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101339672A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111668A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Television and method for performing statistics on time for turning on television |
| CN101882331B (en) * | 2009-05-08 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment and method for recording use time |
| CN108805299A (en) * | 2018-05-28 | 2018-11-13 | 深圳创维数字技术有限公司 | Information processing method after sale, electronic equipment and the readable storage medium storing program for executing of electronic equipment |
-
2008
- 2008-08-15 CN CNA2008103039008A patent/CN101339672A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882331B (en) * | 2009-05-08 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment and method for recording use time |
| CN102111668A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Television and method for performing statistics on time for turning on television |
| CN102111668B (en) * | 2009-12-25 | 2015-04-29 | 康佳集团股份有限公司 | Television and method for performing statistics on time for turning on television |
| CN108805299A (en) * | 2018-05-28 | 2018-11-13 | 深圳创维数字技术有限公司 | Information processing method after sale, electronic equipment and the readable storage medium storing program for executing of electronic equipment |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090107 |