News Column

Patent Application Titled "Method and System for Unlocking Device Having Touchscreen Monitor" Published Online

July 15, 2014



By a News Reporter-Staff News Editor at Life Science Weekly -- According to news reporting originating from Washington, D.C., by NewsRx journalists, a patent application by the inventors Dang, Jinfeng (Beijing, CN); Li, Feng (Beijing, CN); Lin, Yu (Beijing, CN); Zou, Shihong (Beijing, CN), filed on October 19, 2012, was made available online on July 3, 2014 (see also Patents).

No assignee for this patent application has been made.

Reporters obtained the following quote from the background information supplied by the inventors: "With the popularization of a device such as a handset and a tablet computer, a touch screen has been widely applied. Since the device may be often placed by the user in his/her pocket, backpack and bag, the touch screen of the device may often come into touch with other objects. On one hand, such touch may lead to unexpectedly triggering functions of a mobile device, e.g., inadvertently making the device power on or power off, or call to others. On the other hand, unexpected touch may cause the device to stay in use for a long time, thereby consuming energy of the device and shortening the device's standby time.

"U.S. patent application Ser. No. 10/950,088 discloses a method for locking a touch screen. The method includes receiving a pattern inputted by a user touching the touch screen; judging if the retrieved pattern matches with a specific pattern; checking a status of the touch screen, and issuing a corresponding command according to the checked status if the retrieved pattern matches with the specific pattern; and executing a lock/unlock function according to the corresponding command. The technique disclosed in this patent is subject to the following constrains: the specific pattern has to be a closed curve; a criteria for judging the closed curve is at least one pixel has been sensed more than once, and a trajectory of the user input has to be one accomplished in a stroke of a pen and recording is stopped immediately once the pen leaves the touch screen. The above constrains become limitations for applying the currently widely used multi-point touch screen or capacitive touch screen.

"On the other hand, the existing approach for network login verification is to employ a randomly generated verification code. Currently, in order to effectively prevent a specific registered user from keeping trying to log in by using a specific program for Brute Force, a verification code formed by random numbers and pictures is commonly used. It is unbreakable for people without basic knowledge of graphics. For example, when a user logs in QQ sites, a picture in a PNG format is used. The picture is formed by random numbers and random capital letters, and each character's position will change upon each refresh. Microsoft's hotmail apply employs a BMP format, which is formed by random numbers, random capital letters, to random interferon, and random positions. However, in the device's screen, a size of a verification code picture to be displayed is small due to the limitation of the screen's size. Under the influence of random interferon, users may not see random numbers or random letters clearly. Meanwhile, a process for entering random numbers or random letters on a touch screen is complicated, as the user needs to operate entering of letters and numbers on a soft keyboard while having to constantly switching between alphabetic and numeric input modes. The above process is actually to implement the traditional keyboard operation mode by using the soft keyboard function of the touch screen. At present, there is no application of touch trace in web login verification.

"On the other hand, the device's screen unlock is the initial entry of the user experience, which has commercial value of advertising introduction. However, there is no solution for achieving the commercial value by utilizing screen unlock in the prior art.

"The present invention comprehensively solves the above problems and shortcomings in the prior art."

In addition to obtaining background information on this patent application, NewsRx editors also obtained the inventors' summary information for this patent application: "An object of the present invention is to provide a method and a system for unlocking a device having a touch screen, which can utilize an input on the touch screen to unlock the touch screen or activate specific functions of the device. On one hand, the system provides a convenient method for screen unlock of a device having a touch screen. On the other hand, by applying touch recognition and pattern comparison, the system may achieve a function of a verification code, so that a touch screen of multi-point recognition can combine existing operations of the device better. Moreover, the present invention proposes a solution for achieving the commercial values by utilizing screen unlock.

"According to an aspect of the present invention, there is provided a method for unlocking a device having a touch screen. The method comprises the steps of: a client of the device obtaining a pattern of a logo from a network side; the client of the device monitoring an input of the touch screen; if the monitored input of the touch screen is matched with the pattern of the logo, the client of the device unlocking the device; and the client of the device obtaining updates of the pattern of the logo from the network side at a predetermined time.

"Preferably, the client of the device presets a region on the touch screen for receiving sensing of the touch screen.

"Preferably, the client of the device identifies a shape included in the pattern of the logo and creates trace points based on the identified shape.

"Preferably, the sensing of the touch screen is received within a predetermined time at least once within a preset range around a predetermined percent of trace points.

"Preferably, within a predetermined time, the sensitivity of the touch screen received outside a preset range around all the trace points is lower than a preset threshold.

"Preferably, the pattern and the trace points are displayed in a background of the preset region for receiving the sensing of the touch screen.

"According to another aspect of the present invention, there is provided a method for receiving and checking a verification code for a device having a touch screen. The method comprises the steps of: a client of the device obtaining a pattern of the verification code from a network side; the client of the device monitoring an input of the touch screen; if the monitored input of the touch screen is matched with the pattern of the verification code, the client of the device allowing a user to log in; and the client of the device obtaining updates of the pattern of the verification code from the network side at each re-login.

"According to yet another aspect of the present invention there is provided a system for unlocking a device having a touch screen. The system comprises a communication module, a parsing module, a trace point management module, a touch screen input checking module, and an execution module. The communication module is configured to communicate with an external network through the device and receive updates of a pattern of a logo. The parsing module is configured to communicate with the communication module and the trace point management module, receive the pattern of the logo from the communication module, parse the pattern of the logo, and obtain a contour and a shape of the pattern. The trace point management module is configured to communicate with the parsing module, obtain a boundary and the shape, and create trace points based on the shape. The touch screen input checking module is configured to communicate with the trace point management module and hardware of the device, and compare positions of inputs on the touch careen with positions of the trace points. The execution module is configured to communicate with the touch screen input checking module and output a corresponding operation command based on a result of the checking.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 shows a block diagram of an embodiment of a system for unlocking a device having a touch screen according to the present invention;

"FIG. 2 shows a systematic diagram of an embodiment of the system for unlocking a device having a touch screen according to the present invention as shown in FIG. 1;

"FIG. 3 shows a flow chart of a method for unlocking a device having a touch screen according to the present invention;

"FIG. 4 shows an operation interface of an embodiment of a method for unlocking a device having a touch screen according to the present invention; and

"FIG. 5 shows a schematic diagram of an embodiment of a method for unlocking a device having a touch screen according to the present invention."

For more information, see this patent application: Dang, Jinfeng; Li, Feng; Lin, Yu; Zou, Shihong. Method and System for Unlocking Device Having Touchscreen Monitor. Filed October 19, 2012 and posted July 3, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=5569&p=112&f=G&l=50&d=PG01&S1=20140626.PD.&OS=PD/20140626&RS=PD/20140626

Keywords for this news article include: Patents.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


For more stories covering the world of technology, please see HispanicBusiness' Tech Channel



Source: Life Science Weekly


Story Tools






HispanicBusiness.com Facebook Linkedin Twitter RSS Feed Email Alerts & Newsletters