CN1760785A - Method for controlling monitor and screen display - Google Patents
Method for controlling monitor and screen display Download PDFInfo
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- CN1760785A CN1760785A CN 200410084009 CN200410084009A CN1760785A CN 1760785 A CN1760785 A CN 1760785A CN 200410084009 CN200410084009 CN 200410084009 CN 200410084009 A CN200410084009 A CN 200410084009A CN 1760785 A CN1760785 A CN 1760785A
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Abstract
Applying self-safety function of monitor, the method guides against information leakage. The invention includes following units: image process unit for carrying out screen process for image information inputted; display unit for displaying signal outputted from image process unit on screen; key in unit for users to input command including settings of safety function as well as cipher and operation of controlling power supply; memory unit for storing cipher, menu for setting up cipher, and image information related to user's menu; under condition of turning safety function to on and prohibiting display in screen, the control unit prohibits normal display in screen but displays icons for inputted ciphers; if input cipher is identical to stored cipher, then the control unit can carry out normal screen display. Through key operation, the invention sets up safety functions so as to raise security of system and convenience of use.
Description
Technical field
The present invention relates to monitor, particularly relevant monitor and the control method for screen display thereof of realizing the screen display restriction according to security function.
Background technology
Generally speaking, monitor and host computer link, and are the devices that shows from the picture signal of main frame transmission.
Protect the function of information though host computer possesses when (Booting) installed in guiding by password (PassWord) is set, do not possess security function on the monitor.
Thereby, office, the user who works in the company or individual temporary transient not situation under, major part is not close computer, therefore need only computer itself and do not close, even close monitor, if only click power switch, just can realize normal screen display, the situation of leakage of information takes place.Its existence can't prevent the problem of leakage of information.
Summary of the invention
Thereby above-mentioned existing issue designs in order to solve just in the present invention, its purpose be to provide can be under the situation that does not relate to host computer application monitor own security function prevent the monitor and the control method for screen display of leakage of information.
Monitor according to the present invention's design is characterized in that, comprises as lower unit: the image information of being imported is carried out the graphics processing unit that screen is handled; The output signal of graphics processing unit is presented at display unit on the screen; The key entry unit that comprises the action command of security function setting and password and power supply control by user's input; Be used for the storage unit of the relevant image information of stored password, password setting menu and custom menu; Open (On), forbid under the state of screen display in security function, if operation takes place to key in, then forbid normal screen display and display password input picture, if password stored in the password of being inputed in password input picture and the storage unit is consistent, the control module that then carries out the normal screen demonstration.
Control method for screen display according to the monitor of the present invention design, with regard to the monitor that possesses the key entry unit that comprises at least two above buttons that are used for power supply and menu control, it is characterized in that, comprise as the next stage: forbidding under the state of screen display, whether having key entry to operate the stage of judging; If think have operation of keying in and monitor to be in the state that security function is opened, forbid that then normal screen shows and the stage of display password input picture through judgement; If by password input picture input password, then itself and the password that has been provided with are compared, if the stage consistent then that normally show.
Monitor and control method for screen display according to the present invention's design are different with the security function of host computer, possess the security function of monitor itself, can significantly improve security; Under user's situation away from keyboard, also can carry out the security function setting by the simple key-press operation, therefore can significantly improve user convenience in addition.
Description of drawings
Fig. 1 is the front view according to the monitor of the present invention's design.
Fig. 2 is the structural drawing according to the formation of the monitor of the present invention's design.
Fig. 3 is the synoptic diagram that shows example according to the password setting picture of the monitor of the present invention's design.
Fig. 4 is the process flow diagram according to the control method for screen display of the monitor of the present invention's design.
Fig. 5 is the synoptic diagram according to the password confirming screen display embodiment of the monitor of the present invention's design.
Accompanying drawing major part symbol description
10: monitor 11: screen
12:OSD window 13: key in the unit
21: Menu key 22: shifting bond(s)
23: options button 24: power key
31: control module 32: graphics processing unit
33: display unit 34: storage unit
Embodiment
Following with reference to accompanying drawing to desirable embodiment of the monitor of foundation the present invention design and control method for screen display to describe in detail.
Fig. 1 is the front view according to the monitor of the present invention's design, Fig. 2 is the structural drawing according to the formation of the monitor of the present invention's design, Fig. 3 is the synoptic diagram that shows example according to the password setting picture of the monitor of the present invention's design, Fig. 4 is the precedence diagram according to the control method for screen display of the monitor of the present invention's design, and Fig. 5 is the synoptic diagram according to the password confirming screen display embodiment of the monitor of the present invention's design.
As shown in Figure 1, monitor 10 according to the present invention's design comprises the screen 11 of display image and keys in unit 13, key in unit 13 and be made of Menu key 21, shifting bond(s) 22, options button 23, power key 24, input comprises the action command of security function setting and password and power supply control.Menu key 21 inputs according to keying in unit 13 show the OSD window that comprises brightness, contrast, picture size, position and password setting/change menu.
The detailed formation of the monitor 10 of the invention described above as shown in Figure 2, comprises as lower unit: the image information of being imported is carried out the graphics processing unit 32 that screen is handled; The output signal of graphics processing unit 32 is presented at display unit 33 on the screen; The key entry unit 13 that comprises the action command of security function setting and password and power supply control command by user's input; Be used for the storage unit 34 of the relevant image information of stored password, password setting menu and custom menu; Open (On), forbid under the state of screen display in security function, if key in operation, then forbid normal screen display and display password input picture, if password stored in the password of being inputed in password input picture and the storage unit is consistent, the control module 31 that then carries out the normal screen demonstration.
Monitor of the present invention as mentioned above, initial setting up have password (as " 0000 "), also can utilize it to carry out security function, and later user can be by resetting or at any time change after being provided with the similar menu screen of Fig. 1.
Thereby the user must be provided with the process of having only the password that oneself can know earlier for defencive function safe in utilization.
The method that password is set is as follows.
At first, the user presses the Menu key 21 of monitor, then shows menu screen as shown in Figure 1.
Then, the user selects password setting/change in menu item, as shown in Figure 3, shows to comprise making and refer to the password input item that cursor (Cursor) can move successively and the password setting picture of password options.
At this moment, the password setting picture exhibition of Fig. 3 example, application in fact of the present invention can be arranged to more than 2 in the limit that storer allows at least, password also can optionally be provided with in numeral or literal (various language).
Thereby the user presses shifting bond(s) 22 and options button 23 in the password setting picture of Fig. 3, and the password of the residing password input item of current cursor is selected, if select whole figure places of reserving really, then is provided with and finishes, and this password is stored in the storage unit 34.
As mentioned above, if finish password setting, then must determine security function to open (On)/close (Off).Because security function is confirmed as opening (On) state in the early stage, so can then security function be converted to (Off) state of closing when the user wants to change, perhaps is converted to unlatching (On) state again.
At this moment, make the method for security function unlatching (On) as follows.
At first, can utilize the method for keying in the button operation that has been provided with in the unit, under the situation of power-off, pin power key 24 and continue the default time above (as 2 seconds), make security function open (On), also can open (On) in the security function that makes that two above buttons (as in Menu key and the shifting bond(s)) are pressed simultaneously.
Secondly, can also utilize and in keying in the unit, be provided for changing security function and open (On)/close method of the dedicated array of keys (Hot Key) of (Off).(diagram slightly)
The control method for screen display of monitor of the present invention as mentioned above, an one desirable embodiment is described in detail as follows with reference to Fig. 4 and Fig. 5.
At this moment, Fig. 4 forbids the state and the security function setting of screen display for by closing (Off) power supply, realizes the process flow diagram of the control method for screen display of monitor by the power key 24 of Fig. 1.
Thereby whether 31 pairs of the control modules of monitor 10 have the input of power key to judge (S31).
Then, if through judging that (S31) has the input of power key, then judges (S32) to current (Off) state of closing that whether is in of power supply; If power supply is in unlatching (On) state, then (S37) with power-off (Off); If power supply is in (Off) state of closing, then whether security function is opened (On) and judge (S33).
And, if, forbid that then normal screen shows, show password input picture (S34) as shown in Figure 5 through judging (S33) security function for opening (On) state.
At this moment, the password of Fig. 5 input picture is except that literal such as " please input password ", and is identical with the password setting picture.
Thereby if the user sees above-mentioned picture and the 13 input passwords of the key entry unit by monitor 10, whether the password that 31 of control modules were provided with to the password of user's input and password setting stage consistent judges (S35).
Then, if the password that the password through judging (S35) user input and password setting stage have been provided with is consistent, then screen display is forbidden in releasing, carries out normal screen display (S36).
And the present invention also can be applied to forbid by battery saving mode the situation of screen display.
That is, because the security function setting do not judge power key input, and the function key input of corresponding battery saving mode is judged just passable, its security function and control method for screen display outward is identical with the embodiment of above-mentioned Fig. 4.
The embodiment of the invention described above does not almost have the increase of hardware, only changes by simple software and just can realize, therefore can not cause the rising of manufacturing expense.
Claims (7)
1, a kind of monitor is characterized in that, comprises as lower unit:
The image information of being imported is carried out the graphics processing unit that screen is handled;
The output signal of graphics processing unit is presented at display unit on the screen;
The key entry unit that comprises the action command of security function setting and password and power supply control by user's input;
Be used for the storage unit of the relevant image information of stored password, password setting menu and custom menu;
Open (On), forbid under the state of screen display in security function, if operation takes place to key in, then forbid normal screen display and display password input picture, if password stored in the password of being inputed in password input picture and the storage unit is consistent, the control module that then carries out the normal screen demonstration.
2, a kind of control method for screen display of monitor with regard to the monitor that possesses the key entry unit that comprises two above buttons that are used for power supply and menu control, is characterized in that at least, comprises as the next stage:
Forbidding under the state of screen display, to whether having key entry to operate the stage of judging;
If think that through judgement the operation of keying in is arranged, and monitor is in the state that security function is opened, and forbids that then normal screen shows and the stage of display password input picture;
If by password input picture input password, then itself and the password that has been provided with are compared, if the stage consistent then that normally show.
3, as the control method for screen display of monitor as described in the claim item 2, it is characterized in that, comprise as the next stage:
Forbidding under the state of screen display, to whether having key entry to operate the stage of judging;
Forbidding the state of screen display, and display is under the situation of battery saving mode, the stage that whether has input to judge to the correlation function key;
Forbidding the state of screen display, and display is under the situation of power-off, the stage that whether has input to judge to power key.
4, as the control method for screen display of monitor as described in the claim item 2, it is characterized in that: the action that the security function setting is pinned more than the default time by at least one button that will key in the unit realizes.
5, as the control method for screen display of monitor as described in the claim item 2, it is characterized in that: the action that the security function setting is pinned simultaneously by two programmable buttons will keying in the unit at least realizes.
6, as the control method for screen display of monitor as described in the claim item 2, it is characterized in that also comprising: the password setting menu that the user is selected in menu or access to your password and key is set, the password setting stage that the password of selecting in the password setting menu of demonstration stores.
7, as the control method for screen display of monitor as described in the claim item 6, it is characterized in that, in the described password setting stage that the password of selecting in the password setting menu is stored, also comprise as the next stage:
If select to finish, moving cursor successively then shows the password input item that comprises more than at least two and the stage of the password setting menu of the password options that is made of literal or numeral;
On the password setting menu, utilize and key in the stage that the required password of user is selected in the unit;
Storage is by the stage of the password of user's selection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084009 CN1760785A (en) | 2004-10-13 | 2004-10-13 | Method for controlling monitor and screen display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084009 CN1760785A (en) | 2004-10-13 | 2004-10-13 | Method for controlling monitor and screen display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1760785A true CN1760785A (en) | 2006-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410084009 Pending CN1760785A (en) | 2004-10-13 | 2004-10-13 | Method for controlling monitor and screen display |
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|---|---|
| CN (1) | CN1760785A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270284A (en) * | 2010-06-03 | 2011-12-07 | 元太科技工业股份有限公司 | Electronic reading device and data protection method thereof |
| CN103003518A (en) * | 2010-07-12 | 2013-03-27 | 韦尔泰克有限公司 | Blowout preventer and launcher system |
| CN109074787A (en) * | 2016-06-28 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | The monitor of the prompt of active state with switching USB port |
-
2004
- 2004-10-13 CN CN 200410084009 patent/CN1760785A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270284A (en) * | 2010-06-03 | 2011-12-07 | 元太科技工业股份有限公司 | Electronic reading device and data protection method thereof |
| CN103003518A (en) * | 2010-07-12 | 2013-03-27 | 韦尔泰克有限公司 | Blowout preventer and launcher system |
| CN109074787A (en) * | 2016-06-28 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | The monitor of the prompt of active state with switching USB port |
| CN109074787B (en) * | 2016-06-28 | 2022-04-15 | 惠普发展公司，有限责任合伙企业 | Monitor with prompt to switch active state of USB port |
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