KR200176071Y1 - Television having conversation limiting function of keyphone - Google Patents

Abstract

The present invention relates to a television with a call limiting function of a key phone, the control signal input unit 10 and the subscriber line (L) for selecting a specific key phone to form a call path, as well as setting the call limit mode Signal detection unit 16 for detecting the call signal and the transmission telephone number transmitted through the call, and if the call signal is detected by the signal detection unit 16 when the call restriction mode is set, the transmission telephone number detected by the signal detection unit 16 The control unit 12 and the subscriber line L under the control of the control unit 12 to display the OSD text information for the display and to form a call path to a specific key selected by the control signal input unit 10. ) And a switching unit 18 for switching and connecting a specific key phone, and an OSD processing unit 20 for generating an OSD text signal according to the OSD text information for the calling party's phone number under the control of the control unit 12. When a call is received while a plurality of key phones are installed in a single subscriber line, the subscriber can check a subscriber and then transmit a call signal only to a specific key phone, thereby limiting a telephone call through an arbitrary key phone.

Description

TELEVISION HAVING A CALL-LIMIT FUNCTION OF KEY-PHONE

1 is a block diagram of a television with a call restriction function of a key phone according to an embodiment of the present invention.

2 is a flowchart illustrating the operation of a television with a call restriction function of a key phone according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: control signal input unit 12: control unit

14: timer 16: signal detector

18: switching unit 20: OSD processing unit

24: voice IF module 26: voice signal processing unit

28: audio amplifier 30: video IF module

32: video signal processor 34: video amplifier

L: subscriber line

The present invention relates to a television with a call restriction function of a key phone. More specifically, when a call is received while a plurality of key phones are installed in a single subscriber line, a call signal is transmitted only to a specific key phone. The present invention relates to a television having a call restriction function of a key phone, which is capable of restricting calls on a key phone.

A telephone (key phone) installed to use the same telephone number on a single subscriber line is connected to a ringtone through an exchange installed between the receiving subscriber and the sending subscriber when the corresponding telephone number is dialed from an arbitrary subscriber. The ring tone is transmitted, and the ring tone is simultaneously applied to a plurality of key phones installed on a single subscriber line.

In this keyphone, a telephone bell is simultaneously output based on the ring tone, and when a call / handset of any one of the plurality of keyphones is hooked off, a call path is formed to perform a normal telephone call. It becomes possible.

However, if a call comes in while the family members are all asleep at night, the phone rings from all the keys and interferes with the sleep state of the family members who are asleep. Parents who were watching television in the home room could not check the identity of the sender who made the call and control the call status in the room if they received an incoming call from their child's room.

Accordingly, the present invention was created in view of the above circumstances, and when a call is received while a plurality of key phones are installed in a single subscriber line, the caller is transmitted to only a specific key phone after confirming the transmitting subscriber. The object of the present invention is to provide a television with a call restriction function of a key phone that can restrict a telephone call through the key phone.

According to an embodiment of the present invention for realizing the above object, a control signal input unit for selecting a specific keyphone to form a call path and setting a call restriction mode, and a call signal and transmission transmitted through a subscriber line Signal detection unit for detecting the side phone number, when the call signal is detected by the signal detection unit when the call restriction mode is set, the OSD character information for the transmitting side phone number detected by the signal detection unit is displayed and the control signal input unit A control unit configured to form a call path to a specific key phone selected by the control unit, a switching unit which switches and connects the subscriber line and a specific key phone under the control of the control unit, and according to OSD character information of the transmitting telephone number under the control of the control unit. Call Restriction function of the configured phone including OSD processing unit to generate OSD text signal Spring is the television has to offer.

According to the present invention having the above-described configuration, when a call is received, the call path is formed only by a specific key phone so that a normal phone call is performed only through the specific key phone, thereby controlling the call state through any key phone. Will be.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention in detail.

1 is a block diagram of a television with a call restriction function of a key phone according to an embodiment of the present invention, wherein reference numeral 10 denotes a control signal input unit for setting a control function provided to the television. The control signal input unit 10 is composed of a remote control applied to the remote control of the corresponding television or a control panel defined on the front of the corresponding television, assuming that the present invention for setting a call restriction mode for any key phone The call limit button 10a and a select button 10b for selecting the key to be switched on when setting the call limit mode are configured.

Reference numeral 12 is a control unit for controlling the overall function of the television in response to the control signal input from the control signal input unit 10, in the present invention, the control unit 12 is a subscriber line in the call restriction mode is set When the call signal is transmitted through (L), the OSD character information according to the call signal detected by the signal detection unit 16 to be described later and the calling party's telephone number is displayed on the CRT.

The control unit 12 controls the switching unit 18 to be described later so that the subscriber line L is switched to the key phone corresponding to the key phone number when the user selects a specific key phone number in response to the OSD text information. do.

Reference numeral 14 denotes a timer for generating predetermined time data, 16 denotes a signal detection unit for detecting a call signal from a transmitting side and a transmitting propagation number which are connected to a subscriber line and transmitted via the subscriber line. It is a switching unit connected to the subscriber line by switching the subscriber line (L) and a plurality of key phones installed by the switch signal (SW) applied from the control unit 12.

Reference numeral 20 denotes an OSD processing unit for generating an OSD text signal for displaying text information on the function control designated by the control signal input unit 10 on the CRT. In the present invention, the OSD processing unit 20 is configured to control the control unit ( Under the control of 12), when the calling party number is detected by the signal detecting unit 16 together with the call signal, the OSD text signal is generated to display the OSD text information corresponding to the calling party number on the CRT.

In FIG. 1, reference numerals 24, 26, and 28 denote voice signal processing means for reproducing a voice signal for a specific channel tuned by a tuner (not shown), and reference numeral 24 denotes a specific channel tuned by the tuner. IF signal of the video signal / audio signal is converted into the IF signal, and then the voice IF module detects only the audio signal from the IF intermediate frequency signal (SIF), and 26 is output from the voice IF module 24. A voice signal processor for processing a voice signal in a voice processing mode such as volume adjustment, voice surround or voice multiplexing, which is set by the control signal input unit 10 under the control of the controller 12, 28 is the voice signal processor 26 Amplifying a voice signal output from the amplification and applying the amplified voice signal to the speaker SP connected to the rear stage so that the corresponding voice signal is reproduced and output.

Further, reference numerals 30, 32, and 34 denote video signal processing means for reproducing a video signal for a specific channel tuned by the tuner, and reference numeral 30 denotes an image / video for a specific channel tuned by the tuner 22. An IF module which performs IF conversion on the audio signal and then detects only the video signal from the IF converted video intermediate frequency signal PIF, and 32 denotes a control signal of the video signal output from the video IF module 30. Image related functions designated by the input unit 10, for example, adjustment of luminance / contrast, OSD text signals for the control signals generated by the OSD processing unit 20 are inserted into the screen, and R (red), G ( green), B (blue), and luminance (Y). The video signal processor 34 outputs the video signal processed by the video signal processor 32 on the CRT device to output the corresponding video signal. Video A pokbu.

Hereinafter, with reference to the flowchart shown in Figure 2 attached will be described in detail the operation of the television with a call restriction function of the key phone according to an embodiment of the present invention.

First, the controller 12 determines whether the call restriction mode is set in step 40. If the call restriction mode is not set in the controller 12, the controller 12 determines whether the call restriction mode is set in step 40. Proceed to step 42 to allow a normal telephone call to be made.

That is, in step 42, the control unit 12 transmits the subscriber line L by applying a predetermined switching signal to the switching unit 18 so that the subscriber line L is connected to all the key phones. The incoming call signal (call signal and other party's voice signal, etc.) is transmitted to all key phones, and the phone ring is output through each key phone, and when the user hooks off any key phone in response to the call ring, the call path It is possible to exchange the voice message with the other party can perform a normal telephone call.

On the other hand, if the call restriction button 10a configured in the control signal input unit 10 is operated in step 40 and the call restriction mode is set in the control unit 12 according to the control signal according to the control unit 12, According to the determination result in step 40, the process proceeds to step 44, and it is determined whether the call signal has been detected by the signal detection unit 16.

On the other hand, if the call signal is not detected from the signal detection unit 16, the control unit 12 proceeds to step 46 in accordance with the determination result in step 44 to perform a playback process for the regular TV broadcast signal. .

That is, in step 44, when the control signal for channel channel selection is input from the control signal input unit 10, the controller 12 receives the channel data for channel channel selection according to the received remote control data. Read from the channel data storage unit (not shown) and apply to the tuner (not shown), which tuner is a target of the broadcast signals received through the antenna based on the channel data applied from the control unit 12. The broadcast signal for a specific channel is tuned.

In addition, the control unit 12 controls the OSD processing unit 20 during the tuning operation of such a broadcasting channel so that character information of the broadcasting channel and the tuned broadcasting channel is displayed with the video signal processing unit 32. The amplifying unit 34 controls the display unit to be displayed on the CRT apparatus which is an image output apparatus of a corresponding television.

On the other hand, the voice signal included in the broadcast signal of the channel tuned by the tuner is subjected to IF conversion processing by the voice IF module 24, and then the voice signal of the voice intermediate frequency signal (SIF) for the converted voice signal. Only the sound is detected and applied to the voice signal processing unit 26. At this time, the voice signal processing unit 26 processes the voice signal in the voice processing mode set by the control signal input unit 10 to process the voice amplification unit 28. When applied to, the audio signal is reproduced and output through the speaker SP via the voice amplifier 28.

In addition, the video signal included in the broadcast signal of the channel tuned by the tuner is subjected to IF conversion processing by the video IF module 30, and then an image in the video intermediate frequency signal (PIF) for the converted video signal. Only a signal is detected and applied to the image signal processing unit 32. At this time, the image signal processing unit 32 performs an image related function set by the control signal input unit 10 to perform R / G / B and luminance Y are output to the image amplifier 34, and the image signal is reproduced and output through the CRT apparatus through the image amplifier 30.

On the contrary, when any transmitting subscriber calls the receiving subscriber in step 44, the signal detector 16 outputs a call signal from the exchange to the receiving subscriber, via the subscriber line L. When the corresponding call signal is transmitted, the control unit 12 proceeds to step 48 according to the determination result in step 44. In step 48, the control unit 12 sends a predetermined control signal to the OSD processing unit 20. Is applied to generate an OSD text signal for OSD text information to indicate the calling party's telephone number detected by the signal detection unit 16.

In addition, the OSD text signal for the OSD text information for indicating the sender's telephone number generated by the OSD processor 20 is screen-inserted by the image IF module 32 and then the CRT image is transmitted through the image amplifier 34. Is displayed.

Subsequently, the control unit 12 proceeds to step 50 and determines whether a specific key phone number has been selected from the control signal input unit 10. The selection button 10b configured in the control signal input unit 10 is operated to specify a specific keyphone number. When a key phone number, for example, a first telephone is selected, the control unit 12 proceeds to step 52 according to the determination result in step 50. In step 52, the control unit 12 determines a predetermined amount of the switching unit 18. A switch signal SW is applied to cause the subscriber line 18 to be switched with the first telephone by the switching unit 18.

On the contrary, if the input of the specific key phone number is not determined in step 50, the control unit 12 proceeds to step 54 according to the determination result, and the elapse of the predetermined time based on the time data applied from the timer 14; Determine whether or not.

If it is determined in step 54 that a predetermined time has elapsed without a specific key phone number being input, the control unit 12 uses the switching line 18 as a reference key phone (formerly the control signal input unit 10). To maintain the switching state for the keyphone) for the keyphone number selected by

Meanwhile, a call signal (call signal and a voice signal of the other party) transmitted through the subscriber line L is applied to the keyphone switched in the step 50 or the step 56 so that the phone rings only in the corresponding key phone and the corresponding key phone. Since only the call path is set for the call, a phone call using a keyphone other than the corresponding keyphone becomes impossible.

As described above, according to the television with the call restriction function of the key phone according to an embodiment of the present invention, when a plurality of key phones are installed in a single subscriber line, the phone is connected to the key phone in the state where the call restriction mode is set. When an incoming call is made, the call is made only through a specific key phone selected by the user, thereby limiting a call function for any key phone.

Therefore, the user can make a phone call only to a specific key phone, for example, a key phone installed in the living room at night, so that the phone rings only in the corresponding key phone, thereby eliminating sleep disturbances as well as accurately confirming the destination of the incoming call. You can then control the call status of the next phone.

Claims (1)

A control input unit 10 for selecting a specific keyphone to form a call path as well as setting a call restriction mode, and a signal detector for detecting a call signal transmitted through the subscriber line L and a calling party number (16) When the call detection mode is detected in the call limit mode setting, the OSD signal information for the transmitting telephone number detected by the signal detection unit 16 is displayed and the control signal input unit ( A control unit 12 for forming a call route to a specific key phone selected by 10), a switching unit 18 for switching and connecting the subscriber line L and a specific key phone under the control of the control unit 12, Telephony with a call restriction function of the key phone, characterized in that it comprises an OSD processing unit 20 for generating an OSD text signal according to the OSD text information for the telephone number of the sender under the control of the control unit 12. Ago.