CN1629720A - Projected display and error proof input method thereof - Google Patents
Projected display and error proof input method thereof Download PDFInfo
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- CN1629720A CN1629720A CN 200310121272 CN200310121272A CN1629720A CN 1629720 A CN1629720 A CN 1629720A CN 200310121272 CN200310121272 CN 200310121272 CN 200310121272 A CN200310121272 A CN 200310121272A CN 1629720 A CN1629720 A CN 1629720A
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Abstract
This invention relates to a projection display and its error-proof input method. Said method includes the following method: The projection system receives activation signals and prepares to enter into the confirmation mode, this time, the project system displays a preset delay time on its display screen to begin counting backwards the delay time. The project system judges if it receives the confirmed signals within the preset delay time, if so, its discharge lamp is closed, if it does not receive the signals or other signals, it returns its display state. This invention will make further confirmation before turning off the supply or the discharge program.
Description
Technical field
The present invention relates to a kind of projection display and mistake proofing input method thereof, particularly relate to a kind of projection display and mistake proofing input method thereof of using discharge lamp.
Background technology
Seeing also shown in Figure 3ly, is existing known projection display interior circuit block diagram.The principle of work that should have known projection display now is as described below: the audio-visual signal that A/V selector switch 61 can select acceptance to be imported from antenna 57 by the first audio-visual input (AV1), 53, second audio-visual input (AV2) 55 or receiver 59.After A/V selector switch 61 is selected to accept the audio-visual signal of input, sound signal can be delivered to sound circuit 65, and sound by sound circuit 65 control loudspeakers 67.Simultaneously, A/V selector switch 61 can be delivered to video signal circuit 63 with video signal, and video signal circuit 63 can be sent picture to display into display unit 69.And projection discharge lamp 51 can send projection light, and picture to display is projected on the screen 71 from display unit 69.
General projection display mostly is equipped with telepilot 41 and guidance panel 43.The user can use a teleswitch and 41 send input signal to receiver of remote-control sytem 45, by receiver of remote-control sytem input signal is delivered to microprocessor 47 again, also or from guidance panel 43 buttons input signal is directly sent into microprocessor 47.The input signal of importing as the user is the instruction of control power supply, and then microprocessor 47 can be sent controlling signal respectively to video signal circuit 63 and control bus 40, closes its function with control video signal circuit 63 and/or sound circuit 65.Simultaneously also can send controlling signal, and close projection discharge lamp 51 by active circuit 49 to active circuit 49.
In the display of projection, after closing discharge lamp, need be through can activating this discharge lamp again after a while, and the projection display is equipped with the reason of telepilot, is to make things convenient for the user operating at a distance.But telepilot has individual shortcoming, and the surface area that is exactly its button is little, and is subject to the volume of telepilot, and the spacing of its button and button is also very narrow.As user during in remote controller, be easy to will be by mistake by to not being key to be selected.For example originally will be by channel key, result's mistake is by arriving power key.If the user is because of carelessness by causing display to be closed to power key, only need again by the primary power source key at general display, display just can be opened at once again.If in the display of projection, user mistake then needs to wait for a period of time as will activate the projection display again the time when to telepilot or the power key of guidance panel display being closed, and causes the very large inconvenience of user.
This shows that the above-mentioned existing projection display and mistake proofing input method thereof still have many defectives, and demand urgently further being improved.In order to solve the defective of the existing projection display and mistake proofing input method thereof, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the above-mentioned existing projection display and mistake proofing input method thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of new projection display and mistake proofing input method thereof, can improve the general existing projection display and mistake proofing input method thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that the above-mentioned existing projection display exists, and provide a kind of projection display with mistake proofing input function, technical matters to be solved is to make this projection display can prevent that the user from using the power button of this projection display or telepilot mistiming to cut power supply, thereby is suitable for practicality more.
Another object of the present invention is to, overcome the defective that existing mistake proofing input method exists, and provide a kind of new mistake proofing input method, technical matters to be solved be when user mistake by to power key the time, display can not closed discharge lamp immediately, but need through after confirming, display just can be closed discharge lamp.
A further object of the present invention is; overcome the defective that existing mistake proofing input method exists; and provide a kind of new mistake proofing input method; technical matters to be solved is to make its input media to telepilot and/or guidance panel be provided with cryptoguard; can prevent under neglectful situation; close the projection discharge lamp, and need be through activating this discharge lamp again after a while.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of projection display that the present invention proposes, this projection display comprises: an image display module, in order to receiving video signal and show image; One discharge lamp, the image that this image display module is shown throws away in order to emit beam; One operational order receiver module, in order to receiving the operational order signal, and according to a pair of controlling signal that should operational order of this operational order signal output; One microprocessor is to couple this operational order receiver module, supplies to receive this controlling signal, and controls this image display module according to this controlling signal; And an active circuit, be to couple this discharge lamp and in order to activate and to close this discharge lamp, whether this microprocessor closes this discharge lamp according to this controlling signal control active circuit; When this microprocessor receives at least secondary when cutting out the controlling signal of this projection display, this microprocessor controls this active circuit and cuts out this discharge lamp.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The aforesaid projection display wherein when this microprocessor receives first signal, then makes this image display module stop to export video image.
The aforesaid projection display, it further comprises a sound module, this sound module is to be electrically connected with this microprocessor, when this microprocessor receives first signal, then makes this sound module stop output sound.
The aforesaid projection display, wherein said operational order receiver module receives this operational order signal that is sent by one of telepilot and control panel.
The aforesaid projection display, wherein first is produced by pushing one of this telepilot and control panel power button in order to close the controlling signal of this projection display.
The aforesaid projection display, wherein second this remote control signal in order to the power supply of closing this projection display produced by pushing one of this telepilot and control panel specific keys.
The aforesaid projection display, wherein said microprocessor cuts out the controlling signal of this projection display according to first, counts a Preset Time to activate a tally function.
The aforesaid projection display, wherein said microprocessor is also exported a count value to this image display module, and in order to export a counting image, when this count value counted up to this Preset Time end, this microprocessor finished this tally function.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of projection display mistake proofing input method that the present invention proposes, cut off its projection discharge lamp source in order to prevent an optical projection system by a power-off operational order, this mistake proofing input method may further comprise the steps: whether detecting receives a power-off signal; Whether detecting receives one is confirmed signal; And when receiving this affirmation signal, powered-down; When not receiving this affirmation signal, then do not close this optical projection system.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid projection display mistake proofing input method wherein activates a tally function and comes a Preset Time reciprocal when receiving a power-off signal.
Aforesaid projection display mistake proofing input method wherein when receiving a power-off signal, is turned off one of a video signal of this optical projection system and a sound signal.
Aforesaid projection display mistake proofing input method wherein when receiving a power-off signal, shows a zero count on the display screen of this optical projection system.
Aforesaid projection display mistake proofing input method, it more was included in this time of countdowning, and differed from this affirmation signal from the input of this operational order input media, with one of this video signal of exporting this optical projection system again and this sound signal.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.A kind of projection display mistake proofing input method according to the present invention proposes activates a power-off program of an optical projection system in order to prevent user mistake, and this mistake proofing input method may further comprise the steps: receive a power-off signal, activate a password identification program; And when the inspection state of this password identification program is correct, then enter this power-off pattern; When the inspection status error of this password identification program, then do not activate this power-off pattern.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid projection display mistake proofing input method, wherein said power-off pattern comprise closes projection discharge lamp source in advance.
Aforesaid projection display mistake proofing input method, wherein said password identification program comprises: set a cipher key initial value, and the inspection state of setting is a mistake; Set a scheduled delay, and inverse should time delay; In this time delay, whether detecting receives an input push button signalling; And when receiving an input push button signalling, just one by one the input button is compared with a corresponding position that enters one of this power-off program password, when as long as an input button is a mistake, just withdraw from this password identification program; Entirely true when password comparison, set this inspection state for correct and withdraw from this password identification program.
Aforesaid projection display mistake proofing input method, wherein said password identification program more comprises: judge that whether this optical projection system is at a password identification environment; When this optical projection system is in this password identification environment, judge that according to this cipher key value this input button is whether with identical to this corresponding position that should the cipher key value; When this input button with this corresponding position that should the cipher key value when identical, is just added one with this cipher key value, to produce a next cipher key value; Judge whether this next cipher key value equals the length of this password; When this next cipher key value equals the length of this password, just should be updated to correctly by the inspection state, and withdraw from this password identification program; And work as the length that this next cipher key value is not equal to this password, just in this time delay, continue detecting and whether receive this input keying signal.
Aforesaid projection display mistake proofing input method wherein when this optical projection system during not at this password identification environment, just withdraws from this password identification program.
Aforesaid projection display mistake proofing input method, wherein when not receiving any input push button signalling in this time delay, this optical projection system just withdraws from this password identification program.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of projection display mistake proofing input method that the present invention proposes, close the optical projection system power supply in order to prevent user mistake, this mistake proofing input method may further comprise the steps: receive one and activate signal, enter in this power-off pattern; Set a scheduled delay, and this scheduled delay reciprocal; Whether judgement receives one and confirms signal in this scheduled delay; And when receiving this affirmation signal, just enter this power-off pattern, and work as other signal that in this scheduled delay, does not receive this affirmation signal or differ from this affirmation signal, just be returned to the normal display state of this optical projection system.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid projection display mistake proofing input method, wherein said power-off pattern comprise closes projection discharge lamp source in advance.
Aforesaid projection display mistake proofing input method, wherein said mistake proofing input method are the button operations that sees through one of telepilot and control panel.
Aforesaid projection display mistake proofing input method, wherein said affirmation signal comprise the password of correct input continuously.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The invention provides a kind of projection display with mistake proofing input function, this projection display is equipped with telepilot and/or guidance panel, and in the time of user's remote controller, telepilot can send remote control signal.The projection display of the present invention has comprised image display module, discharge lamp, operational order receiver module, microprocessor and active circuit.Wherein, discharge lamp is before being disposed at the image display module, and the image that the image display module is shown throws away in order to emit beam.The operational order receiver module then is used for receiving the button of guidance panel or the keying signal of telepilot, and the output controlling signal is to microprocessor, when microprocessor receives the controlling signal of power-off, can control the image display module according to this controlling signal.In addition, discharge lamp also is coupled to active circuit, and microprocessor is to control active circuit according to controlling signal whether to cut out this discharge lamp.When microprocessor received secondary at least in order to the controlling signal of the power supply of cutting out the projection display, microprocessor can control active circuit according to controlling signal and cut out discharge lamp.
In general, the controlling signal that this sends for the first time in order to the power supply of closing projection image's display, be power button by guidance panel or telepilot be pressed produce.
In addition, the remote control signal that this sends for the second time in order to the power supply of closing the projection display, be specific keys by guidance panel or telepilot be pressed produce.
In one of them embodiment of the present invention, processor is according to primary controlling signal, activate tally function and count a Preset Time, and the output count value is to the image display module, with output counting image.When count value counted up to the Preset Time end, microprocessor finished the function of its counting.
From another viewpoint, the present invention also provides a kind of mistake proofing input method, prevent that optical projection system is operated panel or telepilot mistake tangent projection lamp source, this mistake proofing input method comprises the following steps: then temporarily to turn off its video signal and/or sound signal when optical projection system receives from power-off signal that guidance panel or telepilot come.Then, show zero count on the display screen of optical projection system, at this moment, optical projection system can be detected the button input signal that whether receives guidance panel or telepilot.When receiving the keying signal that is come by guidance panel or telepilot when being the specific keys signal, then optical projection system just can be closed discharge lamp.And when not receiving the confirmation signal, just continue on the display screen of optical projection system, to show zero count.At last, when zero count finished, optical projection system can be exported its video signal and/or sound signal again.
Above-mentioned zero count is to set according to preset delay time, and calculates according to a count value.
Above-mentioned affirmation signal be to set to be appointed as the signal that one of them button is imported on guidance panel or the telepilot, and this button is the power button that differs from the telepilot.
Mistake proofing input method of the present invention more comprised in the time of countdowning, and differed from the output signal of confirming signal from telepilot or guidance panel operation one, made optical projection system export its video signal and/or sound signal again.
The present invention also provides a kind of mistake proofing input method in addition, in order to prevent that user's mistake from activating the power-off program of optical projection system, this mistake proofing input method comprises the following steps: when receiving the power-off signal, just activate a password identification program, when if the inspection state of password identification program is " correctly ", activating power bolt down procedure then; If the inspection state is when being " mistake ", activating power bolt down procedure not then.Wherein this power-off program comprises and closes projection discharge lamp source in advance.
Above-mentioned password identification program comprises that the at first index value of setting code, and setting inspection state is " mistake ".At this moment, optical projection system can be set a time delay, and this time delay reciprocal.In time delay, go to detect the user and whether guidance panel or telepilot are pressed any button, when detecting the user when pushing button, just the button of input is compared with the corresponding position that enters power-off program password, when as long as an input button is wrong, will withdraw from the password identification program.
Whether above-mentioned password identification program more comprises judges optical projection system at password identification environment, when optical projection system is in password identification environment, then judges according to the cipher key value whether the button of telepilot input is identical with the corresponding position of corresponding cipher key value.When the button of importing from telepilot is identical with the corresponding position of corresponding cipher key value, just the cipher key value is added one, to produce a next cipher key value, judge then whether next cipher key value equals the length of password.When next cipher key value equals the length of password, just the inspection state is updated to " success ", and enters the power-off program of optical projection system.If but when next cipher key value is not equal to the length of password, just in the time that postpones, continues the detecting user and whether telepilot or guidance panel pressed any button.
Wherein, this password identification environment is the signal source to be set at one of them audio-visual input of optical projection system, and also comprises sound volume setting with optical projection system at a default value, and in one embodiment of this invention, this default value is to be zero.
When optical projection system during, will withdraw from the password identification program not at above-mentioned password identification environment.
In password identification environment, when telepilot not being pressed any button in time delay when, then optical projection system withdraws from the password identification program automatically, can the activating power bolt down procedure.
From another viewpoint, the present invention also provides a kind of mistake proofing input method, to prevent that user's mistake from activating the power-off program of optical projection system, this mistake proofing input method comprises the following steps: that at first optical projection system receives power-off activation signal, preparation enters in the power-off program, at this moment, optical projection system can be set a scheduled delay, and beginning this scheduled delay reciprocal.Optical projection system is judged in scheduled delay then, whether receives cipher signal, and confirms whether password is correct, if password correctly then enters the power-off program discharge lamp is closed, if the password mistake does not then enter the power-off program.
Above-mentioned mistake proofing input method is that the button that sees through telepilot or control panel is operated.
Above-mentioned mistake proofing input method, it activates signal is to be the power-off signal, and can the activating power bolt down procedure after must be through the password authentification program correct.
When above-mentioned power-off program activated, optical projection system was closed projection discharge lamp source in advance.
Via as can be known above-mentioned, mistake proofing input method provided by the present invention, can enter the powered-down program also or before closing projection discharge lamp program in optical projection system, can confirm again, comprise needing the user to press acknowledgement key or the continuous correct input password of needs, optical projection system just can be moved.Therefore, provide safer power supply and discharge lamp to close the affirmation program.
By technique scheme, the present invention has following advantage at least:
1, when the button of user at remote controller or guidance panel, and when being pressed into power key because of carelessness, optical projection system can not closed the projection lamp source at once.The user need import the signal of an affirmation again, just can close total system.It is hereby ensured optical projection system not can because of the mistake by or the false touch power button close the projection lamp source, cause the inconvenience in the use.
2, in pattern with the password confirming power-off, when the careless mistake of user by or during the power-off button of false touch telepilot optical projection system, at first optical projection system can check whether be in password identification environment, only whether the button that optical projection system just can inspection user be one by one imported under this password identification environment is consistent with each position of password.Each of password must through again and again comparison just can, as long as once comparison is wrong just must can't enter the power-off program, therefore increased the ability that mistake proofing is imported greatly.
In sum, the projection display of the present invention and mistake proofing input method thereof make this projection display can prevent that the user from using the power button of this projection display or telepilot mistiming to cut power supply, thereby are suitable for practicality more.When user's mistake was pressed power key, display can not closed discharge lamp immediately in addition, but needed through after confirming, display just can be closed discharge lamp.Moreover, the input media of telepilot and/or guidance panel being provided with cryptoguard, can prevent under neglectful situation, to close the projection discharge lamp, and need be through activating this discharge lamp again after a while.It has above-mentioned plurality of advantages and practical value, and in like product and method, do not see have similar structural design and method to publish or use and really genus innovation, no matter it all has bigger improvement on product structure, method or function, have technically than much progress, and produced handy and practical effect, and the more existing projection display and mistake proofing input method thereof have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Figure 1A is the process flow diagram according to the mistake proofing input method of closing the projection lamp source module of one embodiment of the invention.
Figure 1B is the display text synoptic diagram according to the optical projection system display screen of one embodiment of the invention.
Fig. 1 C is the process flow diagram of the program of countdowning in 2A figure.
Fig. 1 D is the calcspar according to the projection display of a preferred embodiment of the present invention.
Fig. 2 A is the process flow diagram according to the mistake proofing input method of the power-off program of another embodiment of the present invention.
Fig. 2 B is the process flow diagram of the password identification program among Fig. 2 A.
Fig. 3 is existing known projection display interior circuit block diagram.
10: video display 11: display screen
12: operational order receiving trap 14,47: microprocessor
18,49: active circuit 16: the image display module
22: discharge lamp 13: countdown the time
30,41: telepilot 40: control bus
32,43: guidance panel 45: receiver of remote-control sytem
51: the audio-visual input in 53: the first of projection discharge lamp
Audio-visual input 57 in 55: the second: antenna
59: receiver 61:A/V selector switch
63: video signal circuit 67: loudspeaker
69: display unit 71: screen
S201-S215: the mistake proofing input method flow process of closing the projection lamp source module
S221-S227: the flow process of the program of countdowning
S310-S350: the mistake proofing input method flow process of optical projection system power-off program
S323-S337: the flow process of password identification program
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to the projection display and its concrete structure of mistake proofing input method, method, step, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Figure 1A is the mistake proofing input method process flow diagram of closing the projection lamp source module according to one embodiment of the invention, and Figure 1B is the display text synoptic diagram according to the optical projection system display screen of one embodiment of the invention.Please consult shown in Figure 1A and Figure 1B simultaneously, in the present embodiment, we discuss the present invention earlier and how to make optical projection system prevent to be strayed into by the user to close the projection lamp source module, just how to prevent optical projection system by the user with telepilot or guidance panel mistake tangent projection lamp source.At step S201, when projection display systems receives the power-off signal that telepilot or guidance panel send, optical projection system can't will comprise that the total system of projection discharge lamp closes at once, but shown in step S203, earlier temporary transient its video signal and/or the sound signal of closing.Then, shown in step S205, optical projection system can be according to original count value of setting (for example being 10), and can be according to this count value, showing one on the display screen that is projected countdowns the time, captions shown in the display screen 11 of optical projection system among Figure 1B for example, the time time of countdowning is display digit 10 then.
Optical projection system shows countdowning the time shown in Figure 1B on display screen.Then, at step S207, before the end of countdowning, optical projection system can be detected the operational order the signal whether button that sends from telepilot is arranged.If optical projection system detects the signal of importing from remote controller key (that is step S207 " being "), just enter step S213.At step S213, optical projection system can judge whether the keying signal that receives is a specific keys, for example is a correspondence " affirmation " signal that button is pressed and is produced.If optical projection system judges that at step S213 received keying signal is specific keys " affirmation " button, then enter step S215, close the projection discharge lamp and the power supply of optical projection system.Specific keys among the step S213 is to be an acknowledgement key, and only this specific keys can be any one button on the telepilot, sets in the time of can implementing according to manufacturer fully.In addition, if do not receive the pairing signal of aforementioned specific keys, then execution in step S211 at step S213.
(that is step S207's " denys ") if optical projection system does not receive the signal that corresponding button produces from telepilot at step S207, that is, before the end of countdowning, during any signal that system does not receive all that telepilot transmits, just execution in step S211, optical projection system can be exported video signal and/or sound signal again.
In other words, when the user pressed this specific keys, optical projection system will judge whether the user determines to close total system.If the user does not press specific keys (confirm action), or when in telepilot, differing from other button of specific keys, just can execution in step S211, optical projection system can be exported video signal and/or sound signal again.
Though the present invention to the action that step S215 represents optical projection system when the user presses other button that differs from particular key, does not represent that the present invention must so design with the step S207 among the above embodiment.The topmost technical spirit spirit of the present invention is to be when the user desires to close optical projection system, can not only press power button, just can make whole optical projection system close but also must press particular key, as long as this process is arranged, spirit promptly according to the invention.
Fig. 1 C is the process flow diagram of the program of countdowning in 1A figure.Seeing also shown in Fig. 1 C, when optical projection system begins to countdown, at first shown in step S221, can postpone the interval of a schedule time earlier, was 1 second in the present embodiment, shown in step S223, count value was subtracted 1 then.For another example shown in the step S225, upgrade among the 1B figure for example on the optical projection system display screen 11 countdown the time (time), next shown in step S227, judge whether count value is 0.If count value is 0, then carry out step S211.If count value is not 0, then repeating step S221.The input media of the above embodiments is to be telepilot, when only implementing, also can be the guidance panel of the projection display.
Fig. 1 D is the projection display calcspar according to a preferred embodiment of the present invention.For reaching above-mentioned method, the present invention provides a projection display at this, sees also shown in Fig. 1 D, and this projection display 10 includes image display module 16, discharge lamp 22, microprocessor 14, active circuit 18 and operational order receiving trap 12.Wherein, operational order receiving trap 12 is to comprise a remote control signal receiver (not shown) and a guidance panel 32 (not shown) in the present embodiment, when only implementing, can only be a remote control signal receiver or a guidance panel 32.When the user sends an operational order and gives the projection display 10 by 32 controls of telepilot 30 or guidance panel, operational order receiving trap 12 can receive the power-off keying signal that is sent by guidance panel 32 buttons or telepilot 30, and operational order receiving trap 12 is to send corresponding controlling signal to microprocessor 14 according to keying signal, with control image display module 16 and discharge lamp 22.
For example, when the power key of guidance panel 32 or telepilot 30 was pressed and sends the signal of powered-down correspondence, operational order receiving trap 12 can send controlling signal to microprocessor 14.At this moment, microprocessor 14 can activate tally function earlier and count one section Preset Time, and can export gate time to image display module 16, is used for exporting the counting image, for example shown in Figure 1B.Before gate time finishes, if confirming the particular key of powered-down on telepilot 30 or the guidance panel 32 is pressed, telepilot 30 or guidance panel 32 will produce the affirmation signal, and this signal is transferred into this microprocessor 14, and this microprocessor 14 will control active circuit 18 and cut out discharge lamp 22, and closes the power supply of whole video display 10.If but before gate time finished, guidance panel 32 or telepilot 30 did not have acknowledgement key to be pressed, and did not then have the signal of affirmation and were produced and be issued, the function that microprocessor 14 will finish to count, and the original state of the recovery projection display 10.
Fig. 2 A is the mistake proofing input method process flow diagram according to the power-off program of another embodiment of the present invention.Seeing also shown in Fig. 2 A, next in the present embodiment, is to disclose the present invention how to make optical projection system prevent user's mistake activating power bolt down procedure.At first as step S310, when optical projection system receives the user and pushes a power button and desire to enter the power-off program, can activate a password identification program such as step S320, looking the inspection state behind the password identification program, does step S340 judge that the inspection state is " correctly "? if judged result then finishes behind activating power bolt down procedure such as the step S350 for " being "; If the S340 judged result is " denying ", then not activating power bolt down procedure, directly end.Wherein step S350 activating power bolt down procedure comprises and closes projection discharge lamp source in advance.
Seeing also shown in Fig. 2 B, is the process flow diagram of the password identification program S320 among Fig. 2 A.In password identification program step S320, at first, optical projection system is shown in step S323, can set a cipher key value, and can set the inspection state and be " mistake ", in the present embodiment, the initial value of this cipher key value is set, relevant with the described password check program of step S331/S335, we are made as 0 earlier at this.
At step S325, optical projection system can be set a time delay (for example being 2 seconds), and understands this time delay reciprocal, and shown in step S327, in time delay, optical projection system can detect whether the user pushes button then.If no, then withdraw from password identification program S320 and return Fig. 2 A step S340, because the cryptographic check state still is " mistake ", step S340 judged result is " denying ", the user can't enter power-off program and end.If in time delay, optical projection system detects user's signal that pushes button, and then shown in step S329, begins to carry out the comparison of password.
Step S329 can judge that whether optical projection system is at password identification environment.So-called this password identification environment can optionally be set at the signal source one of them audio-visual input of optical projection system, also or more with the sound volume setting of optical projection system at default value or the like, have the knack of this skill person and can be set according to actual needs.In the present embodiment, password identification environment is that the default value with the volume of optical projection system is set at zero, and the signal source is set at the first audio-visual input.If optical projection system is not in this password identification environment, can shown in step S329, withdraw from the password identification program and return Fig. 2 A step S340, then shown in step S340, because the cryptographic check state still is " mistake ", can't activating power bolt down procedure and end.
Please continue to consult shown in Fig. 2 B, if optical projection system when this password identification environment, execution in step S331 then.Whether step S331 judges the button of input according to the cipher key value, identical with the pairing position of cipher key value.If inequality, then withdraw from the password identification program; If identical, then carry out step S333.At step S333, optical projection system adds 1 with the cipher key value, so that produce the Next Password index value.Then, at step S335, whether that judges input arrives Password Length by bond number.Present embodiment is judged according to the cipher key value.Because the initial value of cipher key value be 0 and the input of button of every inspection all can produce the Next Password index value, so Password Length can be relevant with the Next Password index value.With four be example, the cipher key value of the 4th correspondence is 3.Checking out and just can producing the cipher key value behind the 4th position is 4 value, finishes so can judge whether password is imported according to the cipher key value.Therefore, can judge just at step S335 whether the Next Password index value equals the length of password.If the Next Password index value is not equal to the length of password, then repeating step S325.If the Next Password index value is the length that equals password, execution in step S337 then is updated to the cryptographic check state step S340 that returns Fig. 2 A after " correctly ".Because the cryptographic check state is for " correctly " step S340 judged result is " being ", therefore can activate step S350 power-off program program.In the present embodiment, because be that initial value with the cipher key value is set at 0, so one of every inspection just adds 1 with the cipher key value at the step S323 of Fig. 2 B.Have the knack of the length that this skill person certainly is set at the initial value of the described cipher key value of step S323 password, so, as long as change step S333 into every inspection one, just the cipher key value is subtracted 1, whether again step S335 is changed into inspection cipher key value is 0 just passable.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (23)
1, a kind of projection display is characterized in that this projection display comprises:
One image display module is in order to receiving video signal and show image;
One discharge lamp, the image that this image display module is shown throws away in order to emit beam;
One operational order receiver module, in order to receiving the operational order signal, and according to a pair of controlling signal that should operational order of this operational order signal output;
One microprocessor is to couple this operational order receiver module, supplies to receive this controlling signal, and controls this image display module according to this controlling signal; And
One active circuit is to couple this discharge lamp and in order to activate and to close this discharge lamp, whether this microprocessor closes this discharge lamp according to this controlling signal control active circuit;
When this microprocessor receives at least secondary when cutting out the controlling signal of this projection display, this microprocessor controls this active circuit and cuts out this discharge lamp.
2, the projection display according to claim 1 is characterized in that wherein then making this image display module stop to export video image when this microprocessor receives first signal.
3, the projection display according to claim 1 is characterized in that it further comprises a sound module, and this sound module is to be electrically connected with this microprocessor, when this microprocessor receives first signal, then makes this sound module stop output sound.
4, the projection display according to claim 1 is characterized in that wherein said operational order receiver module receives this operational order signal that is sent by one of telepilot and control panel.
5, the projection display according to claim 4 is characterized in that wherein first is produced by pushing one of this telepilot and control panel power button in order to close the controlling signal of this projection display.
6, the projection display according to claim 4 is characterized in that wherein second this remote control signal in order to the power supply of closing this projection display, is produced by pushing one of this telepilot and control panel specific keys.
7, the projection display according to claim 1 is characterized in that wherein said microprocessor cuts out the controlling signal of this projection display according to first, counts a Preset Time to activate a tally function.
8, the projection display according to claim 7, it is characterized in that wherein said microprocessor and export a count value to this image display module, in order to export a counting image, when this count value counted up to this Preset Time end, this microprocessor finished this tally function.
9, a kind of projection display mistake proofing input method is cut off its projection discharge lamp source in order to prevent an optical projection system by a power-off operational order, it is characterized in that this mistake proofing input method may further comprise the steps:
Whether detecting receives a power-off signal;
Whether detecting receives one is confirmed signal; And
When receiving this affirmation signal, powered-down;
When not receiving this affirmation signal, then do not close this optical projection system.
10, projection display mistake proofing input method according to claim 9 is characterized in that wherein activating a tally function when receiving a power-off signal comes a Preset Time reciprocal.
11, projection display mistake proofing input method according to claim 9 is characterized in that wherein when receiving a power-off signal, turns off one of a video signal of this optical projection system and a sound signal.
12, projection display mistake proofing input method according to claim 9 is characterized in that wherein when receiving a power-off signal, demonstration one zero count on the display screen of this optical projection system.
13, projection display mistake proofing input method according to claim 11, it is characterized in that it more was included in this time of countdowning, differ from this affirmation signal from the input of this operational order input media, with one of this video signal of exporting this optical projection system again and this sound signal.
14, a kind of projection display mistake proofing input method activates a power-off program of an optical projection system in order to prevent user mistake, it is characterized in that this mistake proofing input method may further comprise the steps:
Receive a power-off signal, activate a password identification program; And
When the inspection state of this password identification program is correct, then enter this power-off pattern;
When the inspection status error of this password identification program, then do not activate this power-off pattern.
15, projection display mistake proofing input method according to claim 14 is characterized in that wherein said power-off pattern comprises to close projection discharge lamp source in advance.
16, projection display mistake proofing input method according to claim 14 is characterized in that wherein said password identification program comprises:
Set a cipher key initial value, and the inspection state of setting is a mistake;
Set a scheduled delay, and inverse should time delay;
In this time delay, whether detecting receives an input push button signalling; And
When receiving an input push button signalling, just one by one the input button is compared with a corresponding position of a password that enters this power-off program, when as long as an input button is a mistake, just withdraw from this password identification program; Entirely true when password comparison, set this inspection state for correct and withdraw from this password identification program.
17, projection display mistake proofing input method according to claim 16 is characterized in that wherein said password identification program more comprises:
Judge that whether this optical projection system is at a password identification environment;
When this optical projection system is in this password identification environment, judge that according to this cipher key value this input button is whether with identical to this corresponding position that should the cipher key value;
When this input button with this corresponding position that should the cipher key value when identical, is just added one with this cipher key value, to produce a next cipher key value;
Judge whether this next cipher key value equals the length of this password;
When this next cipher key value equals the length of this password, just should be updated to correctly by the inspection state, and withdraw from this password identification program; And
When this next cipher key value is not equal to the length of this password, just in this time delay, continue detecting and whether receive this input keying signal.
18, projection display mistake proofing input method according to claim 17 is characterized in that wherein just withdrawing from this password identification program when this optical projection system during not at this password identification environment.
19, projection display mistake proofing input method according to claim 16 is characterized in that wherein this optical projection system just withdraws from this password identification program when not receiving any input push button signalling in this time delay.
20, a kind of projection display mistake proofing input method is closed the optical projection system power supply in order to prevent user mistake, it is characterized in that this mistake proofing input method may further comprise the steps:
Receive one and activate signal, enter in this power-off pattern;
Set a scheduled delay, and this scheduled delay reciprocal;
Whether judgement receives one and confirms signal in this scheduled delay; And
When receiving this affirmation signal, just enter this power-off pattern, and work as other signal that in this scheduled delay, does not receive this affirmation signal or differ from this affirmation signal, just be returned to the normal display state of this optical projection system.
21, projection display mistake proofing input method according to claim 20 is characterized in that wherein said power-off pattern comprises to close projection discharge lamp source in advance.
22, projection display mistake proofing input method according to claim 20 is characterized in that wherein said mistake proofing input method is the button operation that sees through one of telepilot and control panel.
23, projection display mistake proofing input method according to claim 20 is characterized in that wherein said affirmation signal comprises the password of correct input continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101212729A CN100538506C (en) | 2003-12-17 | 2003-12-17 | The projection display and mistake proofing input method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101212729A CN100538506C (en) | 2003-12-17 | 2003-12-17 | The projection display and mistake proofing input method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1629720A true CN1629720A (en) | 2005-06-22 |
| CN100538506C CN100538506C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101212729A Expired - Lifetime CN100538506C (en) | 2003-12-17 | 2003-12-17 | The projection display and mistake proofing input method thereof |
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| Country | Link |
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| CN (1) | CN100538506C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348986B (en) * | 2007-10-09 | 2010-06-02 | 南京乐金熊猫电器有限公司 | Washing method of washing device |
| CN101420558B (en) * | 2007-10-26 | 2012-05-30 | 闪联信息技术工程中心有限公司 | Video output mode switch controlling method, apparatus and video player |
| CN105212762A (en) * | 2014-06-09 | 2016-01-06 | 佛山市顺德区美的电热电器制造有限公司 | The control method of cooking heating device and cooking heating device |
| CN111200725A (en) * | 2018-11-19 | 2020-05-26 | 中强光电股份有限公司 | Projector and starting method thereof |
-
2003
- 2003-12-17 CN CNB2003101212729A patent/CN100538506C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348986B (en) * | 2007-10-09 | 2010-06-02 | 南京乐金熊猫电器有限公司 | Washing method of washing device |
| CN101420558B (en) * | 2007-10-26 | 2012-05-30 | 闪联信息技术工程中心有限公司 | Video output mode switch controlling method, apparatus and video player |
| CN105212762A (en) * | 2014-06-09 | 2016-01-06 | 佛山市顺德区美的电热电器制造有限公司 | The control method of cooking heating device and cooking heating device |
| CN111200725A (en) * | 2018-11-19 | 2020-05-26 | 中强光电股份有限公司 | Projector and starting method thereof |
| US11425347B2 (en) | 2018-11-19 | 2022-08-23 | Coretronic Corporation | Projector and projector booting method |
| CN111200725B (en) * | 2018-11-19 | 2023-09-26 | 中强光电股份有限公司 | Projector and starting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100538506C (en) | 2009-09-09 |
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