JP2644646B2 - ECG telephone transmission device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

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

[0003]

In the above conventional method,
When a telephone transmission of an electrocardiogram is performed after talking in a hands-free call, there is a problem that even if an attempt is made to transmit the electrocardiogram recording device by pressing the electrocardiogram recording device against the transmission microphone of the hands-free call, the transmission is not performed correctly. This is because, in the case of a hands-free call, in order to prevent howling, the gain of the transmission amplifier is automatically changed according to the transmission and reception levels.
This is because the ECG signal is distorted.

[0004] However, in the case of a home medical patient with a physical disability, it is desirable that the telephone call be a hands-free call, and when transmitting an electrocardiogram, it is necessary to switch to a call using a handset or perform a special operation. This increases the burden on the patient, making it inadequate for home care. The present invention has been made in view of such circumstances, and an object of the present invention is to provide an electrocardiogram telephone transmission device capable of transmitting an electrocardiogram without requiring a special operation while keeping a hands-free call.

[0005]

According to the present invention, there is provided an electrocardiogram recording apparatus which detects an electrocardiogram of a subject, records the detected electrocardiogram data, and outputs the recorded electrocardiogram data as an acoustic signal. A microphone that converts an acoustic signal of the subject or the voice of the subject or the like into an electric signal, a microphone amplifier that amplifies the electric signal from the microphone, and a gain of the microphone amplifier that is adjusted based on a transmission level and a reception level. A transmission / reception talk gain automatic adjustment unit which prevents howling during a hands-free call,
An arithmetic control unit for controlling the transmission / reception talk gain automatic adjustment unit when receiving a command for the electrocardiogram transmission mode to keep the gain of the microphone amplifier constant, and an audio signal from the electrocardiogram recording apparatus 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 an operator's voice transmitted to the first telephone via a telephone line, and via the telephone line. A second telephone for receiving an acoustic signal from the electrocardiogram recording device or a voice of the subject from the first telephone; and an electrocardiogram of the subject based on the electrocardiogram signal received by the second telephone. And an electrocardiogram reproducing apparatus for reproducing the data.

[0006]

[Effect] An electrocardiogram recording device detects an electrocardiogram of a 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 an electrocardiogram recording device or a voice of a subject into an electric signal. The microphone amplifier amplifies an electric signal from the microphone. The transmission and 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 and reception gain automatic adjustment unit when the command for the electrocardiogram transmission mode is received, and keeps the gain of the microphone amplifier constant. The first telephone is
The sound signal from the electrocardiogram recording device and the voice of the subject are transmitted by hands-free communication. The second telephone transmits a command for an electrocardiogram transmission mode and an operator's voice to the first telephone via the telephone line, and transmits an acoustic signal from the electrocardiogram recording device or a received signal from the first telephone via the telephone line. Receive the voice of the examiner. The electrocardiogram reproducing device reproduces an electrocardiogram of the subject based on the electrocardiogram signal received by the second telephone.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall configuration diagram of an electrocardiogram telephone transmission apparatus according to an embodiment of the present invention. A telephone 2 and a portable electrocardiogram recording apparatus 3 are installed on an arbitrary number of electrocardiogram transmitters 1. A telephone 5 and an electrocardiogram reproducing device 6 are installed on the electrocardiogram receiver 4 far from the electrocardiogram transmitter 1. The telephone 2 on the ECG transmitting side 1 and the telephone 5 on the ECG receiving side 4 are connected via a telephone line 8 via a telephone line 8.

FIG. 2 is a block diagram of the telephone 2 and the ECG recording device 3 on the ECG transmitting side 1. The telephone 2 includes a hook control unit 10 for capturing and disconnecting the telephone line 7, a telephone 5 on the ECG receiving side 4, and the like. Dial sending unit 1 for sending a call to
1, a DTMF detection unit 12 for detecting a command for fixing the mode of the telephone 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 detection unit 18 for detecting the reception level, and a transmission level for detecting the transmission level Detector 19, speaker amplifier 14 and microphone amplifier 16 according to the reception level and the transmission level.
Transmission / reception gain automatic adjustment unit 20 that automatically adjusts the gain of the speaker 13 and the microphone 15 so that the howling does not occur, and a hand for switching between capturing and disconnecting the telephone line 7 by hands-free communication. A free push button switch 21 and an arithmetic control unit 22 including a microprocessor programmed in advance to control the entire telephone 2 are provided. ECG recording device 3
Is an electrocardiogram detection unit 24 for detecting an electrocardiogram from the human body, an electrocardiogram recording unit 25 for recording the electrocardiogram from the electrocardiogram detection unit 24 for a predetermined time, and an electrocardiogram recording push button pressed by a patient at home when recording the electrocardiogram. A switch 26, an electrocardiogram sending push button switch 27 pressed by a patient at home when sending an electrocardiogram, an electrocardiogram sending section 28 for frequency-modulating a signal from the electrocardiogram recording section 25 as an audio signal, and an electrocardiogram sending section. An operation comprising an amplifier 29 for amplifying the signal from the amplifier 28, an electrocardiogram transmission speaker 30 for transmitting the signal amplified by the amplifier 29 as an acoustic signal, and a microprocessor pre-programmed to control the entire electrocardiogram recording device 3 And a control unit 31. When transmitting an ECG signal, the ECG sending speaker 30 of the ECG recording device 3 is acoustically coupled to the microphone 15 of the telephone 2.

FIG. 3 is a block diagram of the telephone 5 and the electrocardiogram reproducing device 6 of the electrocardiogram receiving side 4. The telephone 5 includes a hook control section 33 for capturing and disconnecting the telephone line 7, the telephone 2 of the electrocardiogram transmitting side 1, and the like. Dial sending unit 3 for sending a call to
4, a DTMF transmitting 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 transmission and reception, a built-in speaker 38 built in the receiver 37, and a built-in speaker 37 Built-in microphone 39, an amplifier 40 for driving a 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 comprising an electrocardiogram transmission mode push button switch 43 pressed by the operator of the electrocardiogram receiving side 4 when fixing the telephone 2 of the side 1 to the electrocardiogram signal transmission mode, and a microprocessor pre-programmed to control the whole telephone 5 And a control unit 44.

Next, the operation will be described. When the home patient on the electrocardiogram transmitting side 1 touches the electrocardiogram detecting section 24 of the electrocardiogram recording device 3 on the chest and presses the electrocardiogram recording push button switch 26 when the physical condition is poor, the electrocardiogram recording push button switch 26 is transmitted to the arithmetic control section 31. Notify that an ECG should be recorded. Thereby, the arithmetic and control unit 31 processes the signal from the electrocardiogram detecting unit 24 and supplies the processed signal to the electrocardiographic recording unit 25, and the electrocardiographic data for a predetermined time is recorded in the electrocardiographic recording unit 25. Next, when a patient at home 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 a 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 a hands-free call state. Further, the dial sending unit 11 transmits a dial signal to the telephone 5 of the electrocardiogram receiving side 4 by an operation of a home patient or the like.

As a result, the telephone 5 of the electrocardiogram receiving side 4 rings, and when the operator of the electrocardiogram receiving side 4 picks up the receiver 37 of the telephone 5, the hook control section 33 is activated.
Captures the telephone line 7. Thus, the telephone 2 on the ECG transmitting side 1 can make a hands-free call with the telephone 5 on the ECG receiving side 4. Here, the automatic transmission / reception gain adjustment unit 20 of the telephone 2 performs a hands-free call smoothly 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 between the speaker 13 and the microphone 15 does not occur.
4 and the gain of the microphone amplifier 16 are automatically varied. In this state, a home patient or the like on the ECG transmitting side 1 verbally requests transmission of the ECG.

The operator of the ECG receiving side 4 receiving the request presses the ECG transmission mode push button switch 43 of the telephone 5. As a result, the ECG transmission mode push button switch 43 notifies the arithmetic control unit 44 that the telephone set 2 is fixed in the ECG 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 ECG transmission mode to the telephone 2 of the ECG transmission side 1.

Thus, the D of the telephone 2 of the electrocardiogram transmitting side 1
The TMF detecting unit 12 detects the command from the DTMF transmitting unit 35 and notifies the arithmetic control unit 22 of the detection. Thereby, the arithmetic and control unit 22 controls the transmission and reception talk gain automatic adjustment unit 20, and the transmission and reception talk gain automatic adjustment unit 20
Is kept constant regardless of the reception level and the transmission level. Next, when the home patient or the like on the ECG transmitting side 1 presses the ECG sending speaker 30 of the ECG recording device 3 against the microphone 15 of the telephone 2 and makes close contact with it, and presses the ECG sending push button switch 27 of the ECG recording device 3, the ECG sending push button is pressed. The switch 27 notifies the arithmetic control unit 31 that an electrocardiogram should be sent. Thereby, the arithmetic control unit 31
Supplies the ECG data recorded in the ECG recording unit 25 to the ECG sending unit 28. Thus, the ECG sending unit 28 converts the ECG data into a frequency-modulated ECG signal, and the ECG signal is amplified by the amplifier 29 to drive the ECG sending speaker 30. As a result, an electrocardiogram signal is output from the electrocardiogram sending speaker 30 as an acoustic signal, which is detected by the microphone 15 of the telephone 2 and converted into an electric signal. The ECG signal is amplified by the microphone amplifier 16 whose gain is kept constant by the transmission / reception talk gain automatic adjustment unit 20, and the telephone 5 of the ECG receiving side 4
Sent to.

Thus, the ECG signal processing section 42 of the telephone 5 on the ECG receiving side 4 processes the received ECG signal,
It is supplied to the electrocardiogram reproducing device 6. Thus, 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 2
As a result, the gain of the microphone amplifier 16 of the microphone 15 is maintained at a constant level. The ECG signal can be satisfactorily and stably transmitted to the telephone 5 of the electrocardiogram receiving side 4 without causing distortion due to. Therefore, the electrocardiogram can be accurately reproduced by the electrocardiogram reproducing device 6 of the electrocardiogram receiving side 4.

[0015]

As described above, according to the present invention, an electrocardiogram recording apparatus for detecting an electrocardiogram of a subject, storing the detected electrocardiogram data, and outputting the stored electrocardiogram data as an acoustic signal, and an electrocardiogram recording apparatus 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 This function controls the transmission and reception gain automatic adjustment unit to prevent howling during a hands-free call, and controls the transmission and reception gain automatic adjustment unit when a command for the ECG transmission mode is received to keep the microphone amplifier gain constant. A first telephone that includes a control unit and transmits an acoustic signal from an electrocardiogram recording device and a voice of a subject by hands-free communication A command for the electrocardiogram transmission mode and an operator's voice are transmitted to the first telephone via the telephone line, and an acoustic signal from the electrocardiogram recording device and a voice of the subject are transmitted from the first telephone via the telephone line. Is provided, and an electrocardiogram reproducing apparatus that reproduces the electrocardiogram of the subject based on the electrocardiogram signal received by the second telephone is provided, so that when the electrocardiogram signal is transmitted, the transmission of the first telephone is performed. Since the gain of the microphone amplifier of the microphone is kept constant by the receiving gain automatic adjustment unit, there is no trouble to switch to the telephone call with the handset,
There is an excellent effect that an electrocardiogram signal can be transmitted to the second telephone satisfactorily and stably without causing a distortion due to a gain change peculiar to the hands-free call while the hands-free call does not use both hands.

[Brief description of the drawings]

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

FIG. 2 is a configuration diagram of a telephone on the ECG transmitting side and an ECG recording device.

FIG. 3 is a configuration diagram of a telephone on the ECG receiving side and an ECG reproducing apparatus.

[Explanation of symbols]

 2 Telephone 3 Electrocardiogram recording device 5 Telephone 6 Electrocardiogram reproducing device 7 Telephone line 15 Microphone 16 Microphone amplifier 20 Transmission / reception talk gain automatic adjustment unit 22 Operation control unit

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masaka Masuda 2-18-18 Keihanhondori, Moriguchi-shi Sanyo Electric Co., Ltd. (72) Inventor Satoshi Matsumoto 3-3-1-16 Ogakiuchi-cho, Hirakata-shi, Osaka Kansai Co., Ltd. Medical. Within the service (72) Inventor Ken Nakamura 3-3-1-16 Ogakiuchicho, Hirakata City, Osaka Kansai Medical Co., Ltd. Within the service (72) Inventor Yasushi Okamoto 3-3-16 Ogakiuchicho, Hirakata City, Osaka Kansai Medical Co., Ltd. JP-A-4-56561 (JP, A) JP-A-1-173959 (JP, A) JP-A-63-234943 (JP, A) JP-A-55-58656 (JP, A) JP-A-48-15381 (JP, A) JP-A-51-161134 (JP, U)

Claims (1)

(57) [Claims] 1. An electrocardiogram recording apparatus for detecting an electrocardiogram of a subject, storing the detected electrocardiogram data, and outputting the stored electrocardiogram data as an acoustic signal, an acoustic signal from the electrocardiogram recording apparatus, and the subject A microphone that converts voices into electrical signals, a microphone amplifier that amplifies the electrical signal from this microphone, and howling during hands-free communication by adjusting the gain of this microphone amplifier based on the transmission level and reception level A transmission and reception gain automatic adjustment unit for preventing, and an arithmetic control unit that controls the transmission and reception gain automatic adjustment unit when receiving a command for an electrocardiogram transmission mode to keep the gain of the microphone amplifier constant, A first telephone for transmitting an acoustic signal from the electrocardiogram recording device and a voice of the subject or the like by hands-free communication; Transmits the voice commands and operators of the electrocardiogram transmission mode to the first telephone via,
A second telephone that receives an acoustic signal from the electrocardiogram recording device or a voice of the subject or the like from the first telephone via the telephone line, based on an electrocardiogram signal received by the second telephone An electrocardiogram reproducing apparatus for reproducing the electrocardiogram of the subject.