KR0151346B1 - Incoming call display system on calling - Google Patents

Abstract

The present invention alerts a call when a call is received from a third party during a call, and displays the third party's phone number in OSD text so that the call from the third party can be confirmed even during a call. It is to provide a call reception display device of another. To this end, the present invention, the call signal detection unit 10 for detecting a call signal from the sender, the dialing circuit unit 16 for performing the dialing operation, the hook-on detection unit 18 for detecting the on / off state of the hook switch, A telephone having a telephone ring generator 20 for generating a telephone ring signal, and telephone means (22, 24, 26) for mutually transmitting and receiving voice signals between a sender and a receiver through a trunk line; A broadcast signal tuning tuner 34, voice processing means 36, 38, 40 for processing a voice signal of the broadcast signal tuned by the tuner 34, and a broadcast signal tuned by the tuner 34; Televisions having image processing means (42, 44, 46) for processing video signals of the other are connected to each other in hardware, and said telephone signal receiver (12) for receiving a communication signal from a third party transmitted from an exchange station to said telephone. ), A signal reading unit 14 which reads out a call signal and a telephone number from the signal received by the other call signal receiving unit 12, and based on the call signal and the telephone number read by the signal reading unit 14; And a control unit 28 for transmitting a call alert control signal and a telephone number to the television side, wherein the television has alarm means 50 and 52 for performing a notification operation, a time unit 56 for providing time data, and Call alert from control unit 28 of telephone The control unit 54 controls the phone number to be displayed on the screen while operating the alarm means for a predetermined time when a signal and a phone number are received, and an OSD for displaying the phone number under the control of the control unit 54. A processing unit 48 is further provided so that it is possible to reliably recognize telephone calls from third parties who may be in a call.

Description

Other call reception display device during a call.

1 is a block diagram of another telephone receiving display device during a call employed in the embodiment of the present invention.

2 is an external perspective view of a television employing the alarm unit shown in FIG.

3 is a view showing an example of OSD text display for other telephone numbers when receiving another telephone call during a call according to an embodiment of the present invention.

4 (a) is a flowchart illustrating the operation in the telephone according to the embodiment of the present invention,

4B is a flowchart for explaining the operation of the television according to the embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: call signal detector 12: other call signal receiver

14: signal reading unit 16: dialing circuit unit

18: hook-on detection unit 20: telephone bell generating unit

22: voice signal transmission / reception unit 24: voice signal processing unit

26: handset / handset 28: control unit (telephone side)

30: control function setting section 32: tuning channel storage section

34: tuner 36: voice IF module

38: voice signal processor 40: voice amplifier

42: video IF module 44: video signal processor

46: image amplifier 48: OSD processing unit

50: alarm driving unit 52: alarm unit

54: control unit (television side)

The present invention relates to a display device for receiving another call during a call, and in particular, when another call is received during a call, the call is alerted by using a television, and the other call is frequently displayed during the call so that the current incoming call number is displayed as an OSD text. It relates to a display device.

In the case of a general telephone that can be arbitrarily called by the receiving party through the telephone number obtained by being subscribed while connected to the extension terminal of a trunk line or a local exchange telephone, if a call is made from a third party during a telephone conversation with another person We cannot recognize that a call came from a third party. If the current phone call is not very important, but the call is from a third party, the call is from a third party. You will not receive it, and you will inadvertently damage it.

Accordingly, the present invention has been made in view of the above circumstances, and an object thereof is to alert a call when a call is received from a third party during a call and to display the third party's telephone number on the screen by OSD text. In another aspect, the present invention provides a display device for receiving an incoming call during another call so that a call from a third party can be confirmed.

According to a preferred embodiment of the present invention to achieve the above object, a call signal detection unit for detecting a call signal from the sender, a dialing circuit unit for performing a dialing operation, a hook-on detection unit for detecting the on / off state of the hook switch A telephone having a telephone ring generator for generating a telephone ring signal, and telephone means for transmitting and receiving a voice signal between a sender and a receiver through a trunk line; A television having a tuner for tuning broadcast signals, audio processing means for processing audio signals of the broadcast signals tuned by the tuner, and video processing means for processing video signals of the broadcast signals tuned by the tuner are mutually hardware. A telephone call receiver for receiving a call signal from a third party transmitted from an exchange station, a signal reader for reading out a call signal and a telephone number from a signal received from the telephone call receiver; And a control unit for transmitting the call alert control signal and the telephone number to the television based on the call signal and the telephone number read by the signal reading unit, wherein the television provides alarm means for performing an alarm operation and time data. The alarm unit, when receiving a call alert control signal and a telephone number from the control unit of the phone for the predetermined time There is provided a control unit for controlling a phone number to be displayed on the screen while operating a reading unit, and an OSD processing unit for displaying a phone number under the control of the control unit. .

According to the embodiment of the present invention configured as described above, when a call signal from a third party during a call is received in another call signal receiver, a call signal and a phone number are read from the signal reader and then applied to the controller of the telephone. The control unit of the telephone transmits a call alert control signal and a telephone number to the control unit of the television, and the control unit of the television controls an alarm unit to alert the call from a third party and to control the OSD processing unit. To display the phone number of the third party.

Hereinafter, an embodiment of another call reception display apparatus during a call according to the present invention will be described in more detail with reference to the accompanying drawings.

1 is a block diagram of another telephone receiving display device during a call employed as an embodiment of the present invention. The embodiment of the present invention provides a call signal detector 10, another call signal receiver 12, and a signal reader ( 14), dialing circuit section 16, hook-on detection section 18, telephone ring generator 20, voice signal transmission / reception section 22, voice signal processing section 24, handset 26, control unit 28 cellphone; Control function setting unit 30, tuning channel storage unit 32, tuner 34, audio IF module 36, audio signal processing unit 38, audio amplifier 40, video IF module 42, video The television is provided with a signal processor 44, an image amplifier 46, an OSD processor 48, an alarm driver 50, an alarm 52, a controller 54, and a clock 56.

In the same figure, the call signal detection unit 10 detects a call signal from a counterpart (sender) who desires a call.

The other call signal receiving unit 12 is a call signal from a third party transmitted from the switching center (or telephone station) while talking to any caller (in the embodiment of the present invention, a call signal indicating that the third party has made a call and present) Call a mixed signal of a third party's telephone number).

The signal reading unit 14 detects a call signal section and a phone number section, respectively, from a call signal received from the third party to the other call signal receiving section 12, removes noise, and processes signals for each section after removing noise. Read out signals and phone numbers.

The dialing circuit unit 16 performs the dialing operation based on the telephone number input from the key input means (not shown).

The hook-on detector 18 detects an on / off state of a hook switch provided in the telephone.

The telephone ring generator 20 generates a predetermined telephone ring signal as the call signal is detected by the call signal detector 10.

The voice signal transmitter / receiver 22 receives a voice signal from a call recipient (sender) through the trunk line and transmits a voice signal of a receiver talking to the call recipient to the sender via the trunk line.

The voice signal processor 24 demodulates the voice signal of the sender received by the voice signal transmitter / receiver 22 and transmits it to the handset of the handset 26 while receiving the voice signal of the receiver from the handset of the handset 26. It modulates and transmits it to the voice signal transmitter / receiver 22.

The control unit 28 controls the operation of the telephone based on the call signal detected by the call signal detection unit 10 and the key input signal from a key input unit (not shown), while the signal reading unit 14 When a call signal and a telephone number from a third party to be read are input, the call alert control signal and the telephone number (that is, the third party's telephone number) are transmitted to the television.

The control function setting unit 30 typically adopts a button provided on the front control panel of the television or a remote control as a remote control device to set a desired control function for the television.

Tuning channel storage section 32 is a tuning signal data applied to the channel tuning operation by the tuner 34 to be described later, for example, the tuning voltage data corresponding to the position of each channel tuning button of the control function setting section 10; Is a memory element stored in advance.

The tuner 34 is typically divided into VHF and UHF by the reception frequency band, and is composed of circuits such as input tuning, high frequency amplification, mixing, and local oscillation, respectively. By selectively amplifying the radio wave for the desired broadcast channel, the high frequency signal f1 and the local oscillation signal f2 from the antenna A are mixed, and thus the signal of the new low frequency component f1-f2 (i.e., Intermediate frequency signal (video 58.75MHz, audio 54.25MHz).

The voice IF module 36 amplifies and detects intermediate frequencies of the voice signals of the broadcast signals tuned by the tuner 34.

The voice signal processor 38 performs, for example, voice surround or voice multiplex processing on the voice signal applied from the voice IF module 36.

The voice amplifier 40 amplifies the voice signal from the voice signal processor 38 through a voice output device (for example, a speaker; not shown).

The video IF module 42 amplifies and detects intermediate frequencies of the video signals of the broadcast signals tuned by the tuner 34.

The image signal processor 44 separates the composite image signal output from the image IF module 42 into a luminance signal and a color signal, performs brightness adjustment and large contrast adjustment of the separated luminance signal, and demodulates the separated color signal. Then, the luminance signal (-Y) and the demodulated two color difference signals are converted into an RGB signal, which is a display signal for color image reproduction, via a matrix circuit (not shown) and output. In addition, the image signal processor 44 displays the OSD information from the OSD processor 48, which will be described later.

The image amplifier 46 amplifies and outputs the image signal (R / G / B color signal) from the image signal processor 44 on the CRT.

The OSD processing unit 48 controls the mode and / or adjustment values for the functions set by the control function setting unit 30 to be displayed on the CRT as the image output device as OSD character information under the control of the control unit 54 described later. On the other hand, when the call is received from a third party during a call assumed in the present invention, the video signal processor 44 receives the third party's telephone number under the control of the controller 54 described later. Are displayed on the CRT.

The alarm driver 50 is driven to perform an alarm operation for a predetermined time period under the control of the controller 54 described later.

The alarm unit 52 outputs an alarm sound (a call alarm sound for alerting that a call is received from a third party) for a predetermined time as the alarm driver 50 is driven. The unit 52 is preferably installed on the front control panel of the television as shown in FIG. 2 and is usually composed of a buzzer.

The control unit 54 controls the overall operation of the television according to the control function from the control function setting unit 30, and when the call is received from a third party during the call assumed in the present invention, the control unit on the telephone side. Receiving a call alert control signal and a telephone number transmitted from 28 and controlling the alarm means 50 and 52 to perform an alarm operation for a predetermined time (for example, 3 to 5 seconds) and a third The OSD processor 48 is controlled to display a child's telephone number. In particular, when the power of the heading television is turned off, the controller 54 causes the telephone number to be displayed on the screen after the power is automatically turned on.

The time display unit 6 provides time data required by the control unit 54.

Next, an operation of another call reception display device during another call in the embodiment of the present invention configured as described above will be described based on the flowchart of FIG.

First, the operation in the telephone will be described based on FIG. 4 (a).

Once the call signal from any other party (sender) is detected in the call signal detection unit 10 (YES in step 400), the telephone ring generator 20 generates a telephone ring under the control of the controller 28, and then the recipient As the user picks up the handset 26, the caller and the recipient make a mutual telephone call through the call means 22, 24 and 26 (step 410).

As such, while the telephone call is in progress, the controller 28 determines whether to end the call. If the current call is not terminated based on the detection signal from the hook-on detector 18 (NO in step 420). In the other call signal receiver 12, it is determined whether a call signal from a third party (that is, another call signal in which a call signal section and a phone number section are mixed) is received.

As a result of the determination, when the other call signal is not received (NO in step 430), the process returns to the step 420 for determining whether to end the call, while when the other call signal is received (YES in step 430), Since the call signal is read out as a normal call signal and a phone number after removing the noise from the signal reading unit 14 and is applied to the control unit 28 (step 440), the control unit 28 calls the alarm based on the input call signal. The control signal is transmitted to the control unit 54 on the television side, and the read phone number (that is, the third party's phone number) is transmitted to the control unit 54 (step 450).

The operation in the television processing the signal transmitted from the telephone as described above will be described based on FIG. 4 (b).

First, the control section 54 on the television side controls the operation of the control function set in the control function setting section 30 to be performed, and the call signal from the control section 28 on the telephone side (i.e., a call from a third party) is performed. Signal) and a telephone number (i.e., a third party's telephone number) are transmitted. If no call signal and telephone number are input (NO in step 500), the TV is powered on / off. While the current operation according to (step 510), the call signal and the telephone number is input (YES in step 500), the control unit 54 controls the alarm means (50, 52) In addition to alerting that a call has been received from the third party, the OSD processing unit 48 is controlled to display the third party's telephone number using OSD characters as shown in FIG. 3 (step 520).

The controller 54 determines whether the current call alert time and the telephone number display time have passed a predetermined time period (for example, about 3 to 5 seconds) based on the time data from the time display unit 56. If the predetermined time has not elapsed (NO in step 530), the process returns to step 520 to continue the call alert and telephone number display operation, while the predetermined time elapses (YES in step 530). The control unit 54 not only stops the alarm operation but also releases the phone number display operation (step 540).

According to the present description as described above, when a call is received from a third party while talking to an arbitrary sender, a call alert is performed for a predetermined time and the third party's telephone number is displayed on the screen. It is possible to reliably recognize telephone calls from third parties.

On the other hand, the present invention is not limited only to the above-described embodiments, but can be modified and modified within the scope not departing from the gist of the present invention. For example, in the embodiment of the present invention, a telephone call from a third party and the telephone number of the third party are displayed on the screen using OSD characters, but alarm means and text display means are provided in the corresponding phone to which the present invention is applied. If you do not use the TV, it is possible to implement the phone alone.

Claims (1)

A call signal checking unit 10 for detecting a call signal from a sender, a dialing circuit unit 16 for performing a dialing operation, a hook-on detecting unit 18 for detecting an on / off state of a hook switch, and a telephone ring for generating a telephone ring signal A telephone having a generation unit 20 and communication means 22, 24, 26 for transmitting and receiving voice signals between a sender and a receiver through a trunk line; A broadcast signal tuning tuner 34, voice processing means 36, 38, 40 for processing a voice signal of the broadcast signal tuned by the tuner 34, and a broadcast signal tuned by the tuner 34; Televisions having image processing means (42, 44, 46) for processing the video signal of the other are connected to each other in hardware, the telephone call receiving unit 12 for receiving a call signal from a third party transmitted from the switching center to the telephone; ), A signal reading unit 14 for reading out a call signal and a telephone number from the signal received by the other call signal receiving unit 12, and based on the call signal and the telephone number read by the signal reading unit 14; And a control unit 28 for transmitting a call alert control signal and a telephone number to the television side, wherein the television has alarm means 50 and 52 for performing an alarm operation, a timekeeping unit 56 for providing time data, and Call alert from control unit 28 of telephone The control unit 54 controls the phone number to be displayed on the screen while operating the alarm means for a predetermined time when a signal and a phone number are received, and an OSD for displaying the phone number under the control of the control unit 54. Another call reception display device during a call, characterized in that the processing unit 48 is further provided.