Apparatus and method for controlling wireless terminal

• US 20050094612A1
• Filed: 10/19/2004
• Published: 05/05/2005
• Est. Priority Date: 11/03/2003
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Gui-Jung, Woo, Moo-Yeon
• Granted Patent: US 7,760,696 B2
• Time in Patent Office: Days
• US Class Current: 370/342
• CPC Class Codes: H04M 1/72463 to restrict the functionality of the device

Abstract

An apparatus and method for controlling a wireless terminal, including parameter information to control a camera function of the wireless terminal is set, a camera control message to automatically control the camera function is set to be transmitted through a message transmission unit, the wireless terminal obtains the camera control message periodically transmitted from the message transmission unit, and a camera mode is automatically converted through parameter information of the obtained camera control message, so that it is possible to protect the camera function of the wireless terminal from malicious use.

Claims

1. A system for controlling a wireless terminal, comprising:

a signal transmission apparatus for generating a control signal including control information to control a function mode of said wireless terminal and transmitting the control signal, and

at least one wireless terminal for setting a function mode according to the control information in the information included in the control signal when the control signal transmitted from said signal transmission apparatus is received.

2. The system according to claim 1, wherein said signal transmission apparatus stores control information according to different communication schemes and periodically generates the control signal using the control information.

3. The system according to claim 2, wherein the communication scheme is at least one of a global system for mobile telecommunication scheme, a code division multiple access communication scheme and a wideband code division multiple access communication scheme.

4. The scheme according to claim 1, wherein said signal transmission apparatus generates a control signal according to the code division multiple access communication scheme after including the control information in a reserved field of a BASE_CLASS field of a System Parameter Message or a PART field of a Sync Channel Message.

5. The system according to claim 1, wherein said signal transmission apparatus generates a control signal according to the wideband code division multiple access communication scheme after including the control information in a system information block type which is newly defined.

6. The system according to claim 1, wherein said signal transmission apparatus generates a control signal according to the global system for mobile communication scheme after including the control information in a reserved field of fields of a SYS_INFO message.

7. The system according to claim 1, wherein said wireless terminal stores function setting information according to the control information, analyzes the control information of the received control signal, searches for the function setting information according to the control information and sets a function mode according to the corresponding function setting information.

8. The system according to claim 1, wherein the function mode is at least one of a camera on or off mode of said wireless terminal, a network connection on or off mode where data is transmitted on the wireless network, and a mute mode or a vibration mode.

9. A signal transmission apparatus for controlling a function of a wireless terminal, comprising:

a storage unit for storing control information to control a function mode of the wireless terminal which uses different communication schemes; and

a signal processing portion for generating a control signal according to the control information stored in the storage unit and transmitting the signal in a wireless scheme.

10. The signal transmission apparatus according to claim 9, wherein the function mode of the wireless terminal is at least one mode of a camera on or off mode of the wireless terminal, a network connection on or off mode where data is transmitted on the wireless network, and a mute mode or a vibration mode.

11. A wireless terminal, comprising:

a storage unit for storing function setting information according to control information of a control signal received from a wireless network;

a reception unit for receiving the control signal through a communication scheme and a frequency band which are set in said wireless terminal;

a signal determination portion for recognizing control information included in a control signal received from said signal reception unit, searching for the function setting information according to the control information from said storage unit and providing a mode signal according to the search result; and

a mode processing unit for setting a corresponding function mode according to the mode signal provided from said signal determination portion.

12. The wireless terminal according to claim 11, wherein the function mode of said wireless terminal is at least one mode of a camera on or off mode of the wireless terminal, a network connection on or off mode where data is transmitted on said wireless network, and a mute mode or a vibration mode.

13. A method for controlling a wireless terminal, comprising the steps of:

by a signal transmission apparatus, generating a control signal including control information to control a function of said wireless terminal and transmitting the control signal in a wireless scheme; and

setting a function mode according to control information included in the control signal by said wireless terminal, when receiving the control signal.

14. The method according to claim 13, further comprising the step of receiving and storing the control information to control a function mode of each wireless terminal which uses different communication schemes by the signal transmission apparatus.

15. The method according to claim 13, wherein said wireless terminal stores mode setting information according to the control information included in the control signal, and searches for the mode setting information according to the control information of the received control signal.

16. The method according to claim 13, wherein the function mode is at least one mode of a camera on or off mode of said wireless terminal, a network connection on or off mode where data is transmitted on said wireless network, and a mute mode or a vibration mode.

17. A method for setting a mode of a wireless terminal, comprising the steps of:

receiving and storing mode setting information according to control information of a control signal received in a communication scheme and a frequency band which are used by said wireless terminal;

recognizing the control information of the control signal received from a signal transmission apparatus in the communication scheme and frequency band; and

searching for the mode setting information according to the control information and setting a mode according to the searched mode setting information.

18. A unit for controlling information of at least one wireless terminal, comprising:

a management server for providing a plurality of protocol parameter and frequency band information set by a manager and displaying information on said wireless terminals according to selection of the manager;

at least one signal processing unit for generating a control signal according to parameter information provided from said management server, transmitting through the frequency band information according to the parameter information, storing status information according to a signal received from said wireless terminal, and providing the status information when a request signal of the status information is received from said management server; and

a plurality of wireless terminals for generating a signal including the status information according to parameter information set by a user and transmitting the signal to the signal processing unit, when receiving the control signal transmitted from the signal processing unit through the frequency band information.

19. A method for managing information of a plurality of wireless terminals by a management server, comprising the steps of:

providing a plurality of protocol parameter information and frequency band information set from a manager by said management server to a signal transmission unit;

generating a control signal using the parameter information provided from the management server by each signal transmission unit, and transmitting the control signal to each wireless terminal through a corresponding frequency band;

when the wireless terminal receives the control signal from said signal transmission unit, generating a status signal in which status information is loaded according to parameter information set by a user, and transmitting the status information to said signal transmission unit;

storing the status information included in the status signal received from each wireless terminal by said signal transmission unit;

transmitting a status information request signal to said signal transmission unit according to a request of the manager by said management server;

providing the stored status information of each wireless terminal by each signal transmission unit; and

dividing and displaying the status information of each wireless terminal provided from said signal transmission unit by said manager server.

20. A method of controlling a camera function of a wireless terminal, comprising:

setting parameter information and frequency band information of each of a plurality of protocols through a user interface unit of a management server;

when setting parameter information and frequency band information of each of the plurality of protocols, generating, by a control unit, the corresponding protocol tables using the parameter information and frequency band information set and storing the tables in a memory unit;

generating said camera control signal by each of a plurality of signal transmission apparatus, the camera control signal with reference to the protocol table stored in said memory unit and transmitting the generated camera control signal;

when a case of a camera function control unit performs a blocking function to intercept the signal of said wireless terminal, said wireless terminal starts the search to receive signals from the new system;

from the search to receive signals from the new system, setting a wireless channel between said wireless terminal and said signal transmission apparatus and obtaining by said wireless terminal, the camera control signal transmitted from said signal transmission apparatus equipped in said case;

recognizing by said wireless terminal, the parameter information of the obtained camera control signal, and then determining whether the camera control signal is the camera on control signal or the camera off control signal.