JPH05153273A - Electrocardiogram telephone transmitter - Google Patents

Abstract

PURPOSE:To provide an electrocardiogram telephone transmitter which can transmit an electrocardiogram without the necessity of special operation while keeping hands-free speech. CONSTITUTION:The electrocardiogram telephone transmitter 3 detects the electrocardiogram of a subject to be examined, stores detected electrocardiogram data and outputs stored electrocardiogram data as an acoustic signal. A microphone 15 converts the acoustic signal from the electrocardiogram telephone transmitter 3 and the voice of the subject to be examined, etc., into an electric signal. A mike amplifier 16 amplifies the electric signal from the microphone 15. A transmission-reception gain automatic adjusting part 20 adjusts the gain of the mike amplifier 16 based on transmission/reception levels to prevent howling at the time of hands free speech. At the time of receiving a command for an electrocardiogram transmission mode, an arithmetic controlling part 22 controls the transmission-reception gain automatic adjusting part 20 to keep the gain of the mike amplifier 16 constant. A telephone set 2 transmits the acoustic signal from the electrocardiogram telephone transmitter 3 and the voice of the subject to be examined, etc., with the hands-free speech.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrocardiographic telephone transmission device for transmitting an electrocardiogram using a telephone.

[0002]

2. Description of the Related Art Conventionally, when an electrocardiogram is transmitted using a telephone, a portable electrocardiographic recording device is pressed against the mouthpiece of a receiver of the telephone to transmit the electrocardiogram through a telephone line.

[0003]

SUMMARY OF THE INVENTION In the above conventional method,
When an electrocardiogram is transmitted by telephone after talking in a hands-free call, there is a problem in that even if an electrocardiogram recording device is pressed against a transmission microphone of a hands-free call to transmit data, the data is not transmitted correctly. This is because in the case of a hands-free call, in order to prevent howling, the gain of the transmitter amplifier is automatically changed according to the levels of the transmitter and the receiver.
This is because the electrocardiogram signal is distorted.

However, in the case of a home-medicine patient who is physically handicapped, it is desirable to use a hands-free telephone call, and when transmitting an electrocardiogram, it is necessary to switch to a telephone call with a handset or perform a special operation. As a result, the burden on the patient will increase and it will not be sufficient for home medical care. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electrocardiographic telephone transmission device capable of transmitting an electrocardiogram in a hands-free call without requiring a special operation.

[0005]

The present invention detects an electrocardiogram of a subject, records the detected electrocardiogram data, and outputs the recorded electrocardiogram data as an acoustic signal, and an electrocardiogram recording device. A microphone that converts the acoustic signal of the above and the voice of the subject into an electric signal, a microphone amplifier that amplifies the electric signal from this microphone, and the gain of this microphone amplifier is adjusted based on the transmission level and the reception level. By the automatic transmission / reception gain adjustment unit that prevents howling during hands-free calling,
And a calculation control unit that keeps the gain of the microphone amplifier constant by controlling the transmission / reception gain automatic adjustment unit when a command for an electrocardiogram transmission mode is received, and an acoustic signal from the electrocardiogram recording device or the test object. A first telephone for transmitting a voice of a person or the like by hands-free call, and a command for the electrocardiogram transmission mode or a voice of an operator is transmitted to the first telephone through a telephone line, and is also transmitted through the telephone line. A second telephone that receives an acoustic signal from the electrocardiogram recording device and a voice of the subject from the first telephone, and an electrocardiogram of the subject based on the electrocardiographic signal received by the second telephone. And an electrocardiogram reproducing device for reproducing

[0006]

[Function] The electrocardiogram recording device detects the electrocardiogram of the subject,
The detected electrocardiogram data is stored, and the stored electrocardiogram data is output as an acoustic signal. The microphone converts an acoustic signal from the electrocardiogram recording device or a voice of a subject or the like into an electric signal. The microphone amplifier amplifies the electric signal from the microphone. The transmission / reception gain automatic adjustment unit prevents howling during a hands-free call by adjusting the gain of the microphone amplifier based on the transmission level and the reception level. The arithmetic control unit controls the transmission / reception gain automatic adjustment unit when the command for the electrocardiogram transmission mode is received to keep the gain of the microphone amplifier constant. The first phone is
Acoustic signals from the electrocardiogram recording device and the voice of the subject are transmitted by hands-free communication. The second telephone transmits a command for the electrocardiogram transmission mode and the voice of the operator to the first telephone through the telephone line, and at the same time, transmits the acoustic signal from the electrocardiographic recording device and the received signal from the first telephone through the telephone line. Receive the voice of the inspector. The electrocardiogram reproducing device reproduces the electrocardiogram of the subject based on the electrocardiogram signal received by the second telephone.

[0007]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is an overall configuration diagram of an electrocardiographic telephone transmission device according to an embodiment of the present invention. A telephone 2 and a portable electrocardiographic recording device 3 are installed on an arbitrary number of electrocardiogram transmitting sides 1. A telephone 5 and an electrocardiogram reproducing device 6 are installed on the electrocardiogram receiving side 4 which is distant from the electrocardiogram transmitting side 1. The telephone set 2 on the electrocardiogram transmission side 1 and the telephone set 5 on the electrocardiogram reception side 4 are connected by a telephone line 7 via a telephone station 8.

FIG. 2 is a block diagram of the telephone set 2 and the electrocardiogram recording device 3 on the electrocardiogram transmission side 1. The telephone set 2 includes a hook control unit 10 for capturing and disconnecting the telephone line 7, a telephone set 5 on the electrocardiogram receiving side 4, and the like. Dial sending unit 1 for calling to
1 and a DTMF detection unit 12 for detecting a command for fixing the mode of the telephone set 2 to the electrocardiogram signal transmission mode,
A speaker 13 for receiving a hands-free call, a speaker amplifier 14 for driving the speaker 13, a microphone 15 for transmitting a hands-free call, and a microphone amplifier 1 for amplifying a signal from the microphone 15.
6, a speech network 17 for separating the signal of the two-line telephone line 7 into a transmission signal and a reception signal, a reception level detecting section 18 for detecting the reception level, and a transmission level for detecting the transmission level. The detection unit 19, and the speaker amplifier 14 and the microphone amplifier 16 according to the reception level and the transmission level.
And a handset for automatically adjusting the gain between the speaker 13 and the microphone 15 so as not to cause howling, and a hand for switching between capturing and disconnecting the telephone line 7 by a hands-free call. It is provided with a free push button switch 21 and an arithmetic control unit 22 which is a microprocessor preprogrammed to control the entire telephone 2. ECG recorder 3
Is an electrocardiogram detection unit 24 that detects an electrocardiogram from the human body, an electrocardiogram recording unit 25 that records the electrocardiogram from the electrocardiogram detection unit 24 for a predetermined time, and an electrocardiogram recording push button that is pressed by a home patient or the like when recording the electrocardiogram. A switch 26, an electrocardiogram sending push button switch 27 that is pressed by a patient at home when sending an electrocardiogram, an electrocardiogram sending unit 28 that frequency-modulates the signal from the electrocardiogram recording unit 25 to send it as an acoustic signal, and an electrocardiogram sending unit. An amplifier 29 that amplifies the signal from the amplifier 28, an electrocardiogram sending speaker 30 that sends the signal amplified by the amplifier 29 as an acoustic signal, and a microprocessor that is preprogrammed to control the entire electrocardiogram recording device 3. And a control unit 31. When transmitting an electrocardiogram signal, the electrocardiogram sending speaker 30 of the electrocardiogram recording device 3 is acoustically coupled to the microphone 15 of the telephone 2.

FIG. 3 is a block diagram of the telephone set 5 on the electrocardiogram receiving side 4 and the electrocardiogram reproducing device 6. The telephone set 5 includes a hook control section 33 for capturing and disconnecting the telephone line 7, a telephone set 2 on the electrocardiogram transmitting side 1, and the like. Dial sending unit 3 for making a call to
4 and a DTMF transmission unit 35 for transmitting a command for fixing the mode of the telephone 2 to the electrocardiogram signal transmission mode,
A speech network 36 for separating the signal of the two-line telephone line 7 into a transmission signal and a reception signal, a receiver 37 for transmitting and receiving, a built-in speaker 38 built in the receiver 37, and a built-in receiver 37 Built-in microphone 39, an amplifier 40 for driving the built-in speaker 38, a microphone amplifier 41 for amplifying a signal from the built-in microphone 39, an electrocardiogram signal processing unit 42 for supplying an electrocardiogram signal to the electrocardiogram reproducing device 6, and an electrocardiogram transmission. An operation consisting of an electrocardiogram transmission mode push button switch 43 that is pressed by an operator on the electrocardiogram receiving side 4 when fixing the telephone 2 on the side 1 to the electrocardiogram signal transmission mode, and a microprocessor preprogrammed to control the entire telephone 5. And a control unit 44.

Next, the operation will be described. When a home patient on the electrocardiogram transmission side 1 feels unwell, when the electrocardiogram detection unit 24 of the electrocardiogram recording device 3 is placed on the chest and the electrocardiogram recording push button switch 26 is pressed, the electrocardiogram recording push button switch 26 becomes the calculation control unit 31. Notify that an ECG should be recorded. As a result, the arithmetic control unit 31 processes the signal from the electrocardiogram detection unit 24 and supplies it to the electrocardiogram recording unit 25, and electrocardiogram data for a predetermined time is recorded in the electrocardiogram recording unit 25. Next, when a home patient or the like presses the hands-free push-button switch 21 of the telephone 2, the hands-free push-button switch 21 notifies the arithmetic control unit 22 that the hands-free call state should be set. As a result, the arithmetic control unit 22 controls the hook control unit 10, and the hook control unit 10 captures the telephone line 7 and enters the hands-free call state. Further, the dial sending unit 11 sends a dial signal to the telephone 5 on the electrocardiogram receiving side 4 by an operation of a home patient or the like.

This causes the telephone 5 of the electrocardiogram receiving side 4 to ring, so that when the operator of the electrocardiogram receiving side 4 picks up the handset 37 of the telephone 5, the hook control section 33 is provided.
Seizes the telephone line 7. Thus, the telephone 2 on the electrocardiogram transmission side 1 can perform a hands-free call with the telephone 5 on the electrocardiogram reception side 4. Here, the transmission / reception gain automatic adjustment unit 20 of the telephone 2 smoothes the hands-free call based on the reception level detected by the reception level detection unit 18 and the transmission level detected by the transmission level detection unit 19. Speaker amplifier 1 so that howling is not caused by the speaker 13 and the microphone 15.
4 and the gain of the microphone amplifier 16 are automatically changed. In this state, a home patient on the electrocardiogram transmission side 1 orally requests the transmission of the electrocardiogram.

The operator of the electrocardiogram receiving side 4 who receives the request pushes the electrocardiogram transmission mode push button switch 43 of the telephone 5. As a result, the electrocardiogram transmission mode push button switch 43 notifies the arithmetic control unit 44 that the telephone 2 is fixed in the electrocardiogram transmission mode. As a result, the arithmetic control unit 44 controls the DTMF transmission unit 35, and the DTMF transmission unit 35 transmits a command for fixing the electrocardiogram transmission mode to the telephone set 2 on the electrocardiogram transmission side 1.

As a result, D of the telephone set 2 on the electrocardiogram transmission side 1
The TMF detection unit 12 detects the command from the DTMF transmission unit 35 and notifies the arithmetic control unit 22 of that. As a result, the arithmetic control unit 22 controls the automatic transmission / reception gain adjustment unit 20, and the automatic transmission / reception gain automatic adjustment unit 20 causes the microphone amplifier 16 to operate.
The gain of is kept constant regardless of the receiving level and the transmitting level. Next, a home patient or the like on the electrocardiogram sending side 1 presses the electrocardiogram sending speaker 30 of the electrocardiogram recording device 3 against the microphone 15 of the telephone 2 to make them closely adhere to each other, and presses the electrocardiogram sending pushbutton switch 27 of the electrocardiogram recording device 3, and then the electrocardiogram sending pushbutton. The switch 27 notifies the arithmetic control unit 31 that the electrocardiogram should be sent. As a result, the arithmetic control unit 31
Supplies the electrocardiogram data recorded in the electrocardiogram recording unit 25 to the electrocardiogram sending unit 28. As a result, the electrocardiogram sending unit 28 converts the electrocardiogram data into a frequency-modulated electrocardiogram signal, and the electrocardiogram signal is amplified by the amplifier 29 to drive the electrocardiogram sending speaker 30. As a result, the electrocardiogram signal is output as an acoustic signal from the electrocardiogram sending speaker 30, and the microphone 15 of the telephone 2 detects this and converts it into an electrical signal. This electrocardiogram signal is amplified by the microphone amplifier 16 whose gain is kept constant by the transmission / reception gain automatic adjustment unit 20, and the electrocardiogram reception side telephone 5
Sent to.

As a result, the electrocardiogram signal processing unit 42 of the telephone set 5 on the electrocardiogram receiving side 4 processes the received electrocardiogram signal,
It is supplied to the electrocardiogram reproducing device 6. Thereby, the electrocardiogram reproducing device 6 reproduces the electrocardiogram. As described above, when transmitting the electrocardiogram signal, the transmission / reception gain automatic adjustment unit 20 of the telephone set 2 is
As a result, the gain of the microphone amplifier 16 of the microphone 15 is kept constant, so that the hands-free call without using both hands can be performed without changing the call to the handset, and the gain variation peculiar to the hands-free call can be maintained. The electrocardiogram signal can be transmitted to the telephone set 5 on the electrocardiogram receiving side 4 satisfactorily and stably without causing distortion due to. Therefore, the electrocardiogram reproducing device 6 on the electrocardiogram receiving side 4 can accurately reproduce the electrocardiogram.

[0015]

As described above, according to the present invention, an electrocardiogram recording device that detects an electrocardiogram of a subject, stores the detected electrocardiographic data, and outputs the stored electrocardiographic data as an acoustic signal, and an electrocardiographic recording A microphone that converts the acoustic signal from the device or the voice of the subject into an electric signal, a microphone amplifier that amplifies the electric signal from this microphone, and the gain of this microphone amplifier is adjusted based on the transmission level and the reception level. By controlling the transmission / reception gain automatic adjustment unit that prevents howling during hands-free call and the transmission / reception gain automatic adjustment unit when a command for ECG transmission mode is received, calculation to keep the gain of the microphone amplifier constant A first telephone having a control unit and transmitting an acoustic signal from an electrocardiographic recording device and a voice of a subject by hands-free communication. , Send a command for the electrocardiogram transmission mode and the voice of the operator to the first telephone through the telephone line, and at the same time, transmit the acoustic signal from the electrocardiographic recording device and the voice of the subject from the first telephone through the telephone line. Since the second telephone for receiving the electrocardiogram and the electrocardiogram reproducing device for reproducing the electrocardiogram of the subject based on the electrocardiogram signal received by the second telephone are provided, the transmission of the electrocardiogram signal by the first telephone is performed. Since the gain of the microphone amplifier of the microphone is kept constant by the automatic reception gain adjustment unit, without the trouble of switching to the call on the receiver,
An excellent effect that an electrocardiogram signal can be satisfactorily and stably transmitted to the second telephone without causing a distortion due to a gain variation peculiar to the hands-free call in a hands-free call without using both hands.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of an electrocardiographic telephone transmission device according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of a telephone set on an electrocardiogram transmission side and an electrocardiogram recording device.

FIG. 3 is a configuration diagram of a telephone set on an electrocardiogram receiving side and an electrocardiogram reproducing device.

[Explanation of symbols]

 2 Telephone 3 Electrocardiogram recording device 5 Telephone 6 Electrocardiogram reproducing device 7 Telephone line 15 Microphone 16 Microphone amplifier 20 Automatic transmission / reception gain adjustment unit 22 Arithmetic control unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masaka Masuda 2-18 Keihan Hondori, Moriguchi City Sanyo Electric Co., Ltd. (72) Inventor Satoshi Matsumoto 3-16 Ogakiuchi-cho, Hirakata 105 Crown Mansion 105 Kansai Medical Service Co., Ltd. (72) Inventor Ken Nakamura 3-3 16 Ogakiuchi-cho, Hirakata-shi Crown Mansion 105 No. 105 Kansai Medical Service Co., Ltd. (72) Inventor Anji Okamoto 3-chome Ogakiuchi, Hirakata-shi 3rd-16th Crown Mansion 105th Kansai Medical Service Co., Ltd.

Claims (1)

[Claims] 1. An electrocardiographic recording device that detects an electrocardiogram of a subject, stores the detected electrocardiographic data, and outputs the stored electrocardiographic data as an acoustic signal, and an acoustic signal from the electrocardiographic recording device and the subject. A microphone that converts voices into electrical signals, a microphone amplifier that amplifies the electrical signals from this microphone, and howling during hands-free conversation by adjusting the gain of this microphone amplifier based on the transmission and reception levels. A transmission / reception gain automatic adjustment unit for preventing the above, and an arithmetic control unit for controlling the transmission / reception gain automatic adjustment unit to keep the gain of the microphone amplifier constant when a command for an electrocardiogram transmission mode is received, The first telephone that transmits the acoustic signal from the electrocardiogram recording device and the voice of the subject by hands-free communication, and the telephone number Transmits the voice commands and operators of the electrocardiogram transmission mode to the first telephone via,
Based on a second telephone that receives an acoustic signal from the electrocardiographic recording device and a voice of the subject from the first telephone via the telephone line, and an electrocardiographic signal received by the second telephone An electrocardiogram telephone transmission device comprising: an electrocardiogram reproducing device for reproducing an electrocardiogram of the subject.