CN105662424A - Improved-structure ballistocardiogram signal recorder - Google Patents
Improved-structure ballistocardiogram signal recorder Download PDFInfo
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- CN105662424A CN105662424A CN201610196275.6A CN201610196275A CN105662424A CN 105662424 A CN105662424 A CN 105662424A CN 201610196275 A CN201610196275 A CN 201610196275A CN 105662424 A CN105662424 A CN 105662424A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1101—Detecting tremor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7221—Determining signal validity, reliability or quality
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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Abstract
The invention provides an improved-structure ballistocardiogram signal recorder which comprises a ballistocardiogram signal acquisition system, a ballistocardiogram signal analysis system and a communication module, wherein the ballistocardiogram signal acquisition system comprises a ballistocardiogram signal collection and conduction device and an extremely-low-frequency micro-vibration signal sensor; the ballistocardiogram signal collection and conduction device can collect the vibration signal induced by ballistocardiogram through a vibration collection panel and transfer the vibration signal to the extremely-low-frequency micro-vibration signal sensor through the ballistocardiogram signal collection and conduction device; the extremely-low-frequency micro-vibration signal sensor converts the vibration signal into an electric signal and transmits the electric signal to the ballistocardiogram signal analysis system; the ballistocardiogram signal analysis system performs operational analysis treatment on the received signal; and the communication module uploads the data processed by the ballistocardiogram signal operation treatment system. The improved-structure ballistocardiogram signal recorder provided by the invention has the advantages of simple structure, low cost, high sensitivity and small volume and can realize accurate, efficient and convenient recording of ballistocardiogram signals as well as full coverage of ballistocardiogram signals.
Description
[technical field]
The present invention relates to ballistocardiogram signal processing field, be specifically related to a kind of ballistocardiogram signal recorder improving structure.
[background technology]
Heartthrob and impact, it is possible to cause the vibration of person series of periodic, got off these signal records by delicate, forms oscillogram, again through observing oscillogram diagnosis human body diseases, is namely the origin of ballistocardiogram. Just there is the relevant heartbeat of document record can cause the record of physical shocks as far back as 1877, in 20 generation, through mid-term, ballistocardiogram research reaches a climax, but it is limited by scientific and technical relatively poor at that time, cause the heaviness of grapher, complicated operation, it is impossible to produce ballistocardiogram accurately, efficiently, easily. When causing this, the correlational study of after date is fewer and feweri, and relevant cardiac work up is by Heart Brightness Mode, electrocardiogram etc., and method checks. In recent years, along with the development, the particularly raising of key components precision and Computing ability of science and technology, the development of ballistocardiogram signal detection apparatus becomes worldwide focus once again, but does not up to the present have highly developed product and occur.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, for achieving the above object, and a kind of ballistocardiogram signal recorder improving structure of the present invention proposes record ballistocardiogram signal accurate, efficient, convenient.
A kind of ballistocardiogram signal recorder improving structure, including ballistocardiogram signal acquiring system, ballistocardiogram Signal Analysis System and communication module. Ballistocardiogram signal acquiring system includes ballistocardiogram signal collection conduction device and extremely low frequency micro-vibration signal induction apparatus; Wherein: described ballistocardiogram signal collection conduction device includes vibration collector panels, conductive sheet and provides the base supporting, installing support for this vibration collector panels, and conductive sheet is fixed on the surface of extremely low frequency micro-vibration signal induction apparatus; Vibration collector panels is connected with base, forms the base even support to vibration collector panels periphery, and the bottom surface of vibration collector panels forms a cavity A with base;Described extremely low frequency micro-vibration signal induction apparatus includes vibration receiving sheet, piezoelectric membrane vane and vibrates, for supporting, the support that receiving sheet is hollow form, described vibration receiving sheet is the flaky materials such as carbon fibre material, glass fiber material, metal material, plastic plate, these materials should have high-tensile, high elastic modulus, creep resistance is strong, and can effectively the vibration of 0.1Hz～1000Hz be responded.
Vibration receiving sheet is connected with support assorted, forms the support even support to vibration receiving sheet periphery, and the bottom surface of vibration receiving sheet forms a cavity B with the through hole in support, and described piezoelectric membrane vane is flattened on vibration receiving sheet bottom surface; Described support is arranged in cavity A, and the lower surface of conductive sheet is fixing with the end face of vibration receiving sheet to be connected, and the upper surface of conductive sheet contacts with the bottom surface of vibration collector panels;
Ballistocardiogram signal collection conduction device can collect, by vibrating collector panels, the vibration signal that heart impact causes, and it is transferred to extremely low frequency micro-vibration signal induction apparatus by ballistocardiogram signal collection conduction device concentration, vibration signal is converted to the signal of telecommunication by extremely low frequency micro-vibration signal induction apparatus, transmits to ballistocardiogram Signal Analysis System; Received signal is amplified, filters, analyzes, arranges by ballistocardiogram Signal Analysis System, AD conversion, and row operation of going forward side by side analyzes and processes, and generates and includes state, impact strength and breathe the various heart impacting data; The data that impact signal arithmetic processing system is handled well are uploaded to master system by communication module.
As preferably, the surrounding of described vibration collector panels is along being provided with connecting portion, and is provided with the joint portion in mating connection with this connecting portion on base; Described base is provided with cavity A, and this cavity A is surrounded by joint portion to form; When vibrating collector panels and being connected with base engagement, the base even support to vibration collector panels periphery, vibration collector panels is covered on the cavity A on base, make to vibrate between the cavity A internal face on the bottom surface of collector panels and base and form a cavity A, leave enough spaces for the installation of extremely low frequency micro-vibration signal induction apparatus and the up-down vibration of vibration collector panels.
As preferably, the connecting portion at described vibration collector panels edge is plane, lozenges or step surface, and the joint portion on base also is provided with correspondingly lozenges or step surface, the connecting portion making vibration collector panels edge can be set in the joint portion on base, and ensures have enough spaces between the internal face on the vibration bottom surface of collector panels and base.
As preferably, described extremely low frequency micro-vibration signal induction apparatus is arranged at the center in cavity A, and described conductive sheet is fixedly installed on the center of vibration receiving sheet end face, is for effectively being collected by the signal that vibration collector panels senses, amplify, filter and transmission.
As preferably, the top of the annular through-hole in described support is stepped hole or shape hole of falling from power, and vibration receiving sheet is set in this stepped hole or shape hole of falling from power, and the edge of vibration receiving sheet can be bonded to each other with the stepped hole of support or shape hole inwall of falling from power.
As preferably, the end face of described vibration receiving sheet is mutually concordant with the upper surface of support.
As preferably, described support adopts the material such as plastics or metal to make, and the cross section of described support is annular, hollow, rectangular or hollow polygon, the circular in cross-section of described vibration receiving sheet, rectangle or polygon.
As preferably, described vibration collector panels is one block of creep resistant sheet material that is that can the extensional vibration signal of 0.1Hz～1000Hz be responded and that possess certain mechanical performance.The extensional vibration signal of 0.1Hz～1000Hz can be made significant response by described vibration collector panels, and this adopted material of vibration collector panels includes various fibre board, glass, metal, timber, plastics etc.
As preferably, the circular in cross-section shape of described vibration collector panels, rectangular-shaped or polygon-shaped.
As preferably, described conductive sheet is rectangular shape, toroidal or polygon-shaped. Can also be that hollow, rectangular shape, hollow circular shape or hollow are polygon-shaped. Described conductive sheet is lamellar can also be column.
As preferably, described vibration collector panels is connected with base, forms the base even support to vibration collector panels periphery, and the bottom surface of vibration collector panels forms a cavity A with base; Described vibration receiving sheet is connected with support assorted, forms the support even support to vibration receiving sheet periphery, and the bottom surface of vibration receiving sheet forms a cavity B with the through hole in support.
As preferably, host computer includes the mobile terminals such as mobile phone, general/specialized computer, server, cloud computing platform etc.
Compared with prior art, beneficial effects of the present invention:
Product structure of the present invention is simple, and with low cost, highly sensitive, volume is little, and can record ballistocardiogram signal accurately, efficiently, easily, it is achieved all standing to ballistocardiogram signal (belonging to a kind of extremely low frequency vibration signal). Ballistocardiogram signal collection conduction device design fundamentals in the present invention are, by base, vibration collector panels periphery is realized even support, enable vibration collector panels that the extensional vibration of 0.1Hz～1000Hz to be made significant response and collection, by conductive sheet, vibration signal is concentrated, amplify, filter, and be conducted to corresponding extremely low frequency micro-vibration signal induction apparatus.
Additionally, in the present invention, the design fundamentals of extremely low frequency micro-vibration signal induction apparatus are, when vibrating receiving sheet and receiving longitudinal vibration signal, making corresponding deformation with vibration signal, the piezoelectric membrane vane being close to vibration receiving sheet also produces corresponding electric signal therewith deforming. Owing to extremely low frequency micro-vibration signal induction apparatus adopts above-mentioned design structure can sense the micro-vibration signal of extremely low frequency range (0.1Hz～1000Hz) delicately. And can be widely applied to industrial vibration, the detection of heart impact signal vibration.
[accompanying drawing explanation]
Fig. 1-1 is the structural representation of centric(al) impact figure signal acquiring system of the present invention.
Fig. 1-2 is centric(al) impact figure Signal Analysis System of the present invention, communication module and the attachment structure schematic diagram with host computer.
Fig. 2 is the first schematic diagram of A place partial enlargement structure in Fig. 1.
Fig. 3 is the second schematic diagram of A place partial enlargement structure in Fig. 1.
Fig. 4 is the third schematic diagram of A place partial enlargement structure in Fig. 1.
Fig. 5 is the bonding state structural representation of the first extremely low frequency micro-vibration signal induction apparatus in the present invention.
Fig. 6 is exploded perspective schematic diagram in Fig. 5.
Fig. 7 is the bonding state structural representation of the second extremely low frequency micro-vibration signal induction apparatus in the present invention.
Fig. 8 is exploded perspective schematic diagram in Fig. 7.
Fig. 9 is the bonding state structural representation of the third extremely low frequency micro-vibration signal induction apparatus in the present invention.
Figure 10 is exploded perspective schematic diagram in Fig. 9.
Accompanying drawing marks: vibration receiving sheet 1, support 2, through hole 3, vibrates collector panels 4, connecting portion 41, conductive sheet 5, base 6, cavity A61, joint portion 62, extremely low frequency micro-vibration signal induction apparatus 7, ballistocardiogram Signal Analysis System 8, communication module 9, host computer 10.
[detailed description of the invention]
As shown in Fig. 1～10, the present invention provides the specific embodiment of a kind of ballistocardiogram signal recorder improving structure, as shown in Fig. 1-1 and Fig. 1-2, this ballistocardiogram signal recorder includes ballistocardiogram signal acquiring system, ballistocardiogram Signal Analysis System 8 and communication module 9, and ballistocardiogram signal acquiring system includes ballistocardiogram signal collection conduction device and extremely low frequency micro-vibration signal induction apparatus 7; Wherein: described ballistocardiogram signal collection conduction device includes vibration collector panels 4, conductive sheet 5 and provides the base 6 supporting, installing support for this vibration collector panels 4, and conductive sheet 5 is fixed on the surface of extremely low frequency micro-vibration signal induction apparatus 7; Vibration collector panels 4 is connected with base 6, forms the base 6 even support to vibration collector panels 4 periphery, and the bottom surface of vibration collector panels 4 forms a cavity A61 with base 6; Described extremely low frequency micro-vibration signal induction apparatus 7 includes vibration receiving sheet 1, piezoelectric membrane vane and vibrates, for supporting, the support 2 that receiving sheet 1 is hollow form, described vibration receiving sheet 1 is the flaky materials such as carbon fibre material, glass fiber material, metal material, plastic plate, these materials should have high-tensile, high elastic modulus, creep resistance is strong, and can effectively the vibration of 0.1Hz～1000Hz be responded.
As shown in Figure 1-2, described vibration receiving sheet 1 is connected with support 2, forms the support 2 even support to vibration receiving sheet 1 periphery, and the bottom surface of vibration receiving sheet 1 forms a cavity B with the through hole 3 in support 2. Described piezoelectric membrane vane is flattened on vibration receiving sheet 1 bottom surface; Described support 2 is arranged in cavity A61, and the lower surface of conductive sheet 5 is fixing with the end face of vibration receiving sheet 1 to be connected, and the upper surface of conductive sheet 5 contacts with the bottom surface of vibration collector panels 4; Ballistocardiogram signal collection conduction device can collect, by vibrating collector panels 4, the vibration signal that heart impact causes, and it is transferred to extremely low frequency micro-vibration signal induction apparatus 7 by ballistocardiogram signal collection conduction device concentration, extremely low frequency micro-vibration signal induction apparatus 7 converts vibration signal to the signal of telecommunication, transmits to ballistocardiogram Signal Analysis System 8; Received signal is amplified, filters, analyzes, arranges by ballistocardiogram Signal Analysis System 8, AD conversion, and row operation of going forward side by side analyzes and processes, and generates and includes state, impact strength and breathe the various heart impacting data; The data that impact signal arithmetic processing system is handled well are uploaded to host computer 10 system by communication module 9.
As shown in figs. 2 to 4, the surrounding of described vibration collector panels 4 is along being provided with connecting portion 41, and is provided with the joint portion 62 in mating connection with this connecting portion 41 on base 6; Described base 6 is provided with cavity A, and this cavity A is surrounded by joint portion 62 to form; When the connecting portion 41 vibrating collector panels 4 is connected with the joint portion 62 on base 6, the base 6 even support to vibration collector panels 4 periphery, vibration collector panels 4 is covered on the cavity A on base 6, make to vibrate between the cavity A internal face on the bottom surface of collector panels 4 and base 6 and form a cavity A61, leave enough spaces for the installation of extremely low frequency micro-vibration signal induction apparatus 7 and the up-down vibration of vibration collector panels 4.
The connecting portion 41 at described vibration collector panels 4 edge is plane, lozenges or step surface, and the joint portion 62 on base 6 also is provided with correspondingly lozenges or step surface, make in the joint portion 62 that the connecting portion 41 at vibration collector panels 4 edge can be set on base 6, and ensure, between the internal face on the vibration bottom surface of collector panels 4 and base 6, there is enough spaces.
Described extremely low frequency micro-vibration signal induction apparatus 7 is arranged at the center in cavity A61, described conductive sheet 5 is fixedly installed on the center of vibration receiving sheet 1 end face, it is for the signal that vibration collector panels 4 senses effectively being collected, amplifying, filters and transmission.
As shown in Fig. 5～10, the top of the annular through-hole 3 in described support 2 is stepped hole or shape hole of falling from power, vibration receiving sheet 1 is set in this stepped hole or shape hole of falling from power, and the edge of vibration receiving sheet 1 can be bonded to each other with the stepped hole of support 2 or shape hole inwall of falling from power. The end face of described vibration receiving sheet 1 is mutually concordant with the upper surface of support 2. Described support 2 adopts the material such as plastics or metal to make, and the cross section of described support 2 is annular, hollow, rectangular or hollow polygon, the circular in cross-section of described vibration receiving sheet 1, rectangle or polygon. Described vibration collector panels 4 is one block of creep resistant sheet material that is that can the extensional vibration signal of 0.1Hz～1000Hz be responded and that possess certain mechanical performance. The extensional vibration signal of 0.1Hz～1000Hz can be made significant response by described vibration collector panels 4, and this adopted material of vibration collector panels 4 includes various fibre board, glass, metal, timber, plastics etc. The circular in cross-section shape of described vibration collector panels 4, rectangular-shaped or polygon-shaped. Described conductive sheet 5 is rectangular shape, toroidal or polygon-shaped. Can also be that hollow, rectangular shape, hollow circular shape or hollow are polygon-shaped. As preferably, described conductive sheet 5 is lamellar can also be column. The extensional vibration signal of 0.1Hz～1000Hz can be made significant response by described conductive sheet 5, and has resistance to compression anti-deformation, and this adopted material of conductive sheet 5 includes various fibre board, glass, metal, timber, plastics etc.
Described host computer 10 includes the mobile terminals such as mobile phone, general/specialized computer, server, cloud computing platform etc.
Product structure of the present invention is simple, and with low cost, highly sensitive, volume is little, and can record ballistocardiogram signal accurately, efficiently, easily, it is achieved all standing to ballistocardiogram signal (belonging to a kind of extremely low frequency vibration signal). Ballistocardiogram signal collection conduction device design fundamentals in the present invention are, by base 6, vibration collector panels 4 periphery is realized even support, make vibration collector panels 4 that the extensional vibration of 0.1Hz～1000Hz can be made significant response and collection, by conductive sheet 5, vibration signal is concentrated, amplify, filter, and be conducted to corresponding extremely low frequency micro-vibration signal induction apparatus 7.
Additionally, in the present invention, the design fundamentals of extremely low frequency micro-vibration signal induction apparatus 7 are, when vibrating receiving sheet 1 and receiving longitudinal vibration signal, making corresponding deformation with vibration signal, the piezoelectric membrane vane being close to vibration receiving sheet 1 also produces corresponding electric signal therewith deforming. Owing to extremely low frequency micro-vibration signal induction apparatus 7 adopts above-mentioned design structure can sense the micro-vibration signal of extremely low frequency range (0.1Hz～1000Hz) delicately. And can be widely applied to industrial vibration, the detection of heart impact signal vibration.
Claims (9)
1. the ballistocardiogram signal recorder improving structure, it is characterized in that, including ballistocardiogram signal acquiring system, ballistocardiogram Signal Analysis System and communication module, ballistocardiogram signal acquiring system includes ballistocardiogram signal collection conduction device and extremely low frequency micro-vibration signal induction apparatus;Wherein:
Described ballistocardiogram signal collection conduction device includes vibration collector panels, conductive sheet and provides the base supporting, installing support for this vibration collector panels, and conductive sheet is fixed on the surface of extremely low frequency micro-vibration signal induction apparatus; Vibration collector panels is connected with base, forms the base even support to vibration collector panels periphery, and the bottom surface of vibration collector panels forms a cavity A with base;
Described extremely low frequency micro-vibration signal induction apparatus includes vibration receiving sheet, piezoelectric membrane vane and vibrates, for supporting, the support that receiving sheet is hollow form, and described vibration receiving sheet is carbon fibre material sheet, glass fiber material sheet, metal material sheet or plastic plate;
Vibration receiving sheet is connected with support assorted, forms the support even support to vibration receiving sheet periphery, and the bottom surface of vibration receiving sheet forms a cavity B with the through hole in support, and described piezoelectric membrane vane is flattened on vibration receiving sheet bottom surface; Described support is arranged in cavity A, and the lower surface of conductive sheet is fixing with the end face of vibration receiving sheet to be connected, and the upper surface of conductive sheet contacts with the bottom surface of vibration collector panels;
Ballistocardiogram signal collection conduction device can collect, by vibrating collector panels, the vibration signal that heart impact causes, and it is transferred to extremely low frequency micro-vibration signal induction apparatus by ballistocardiogram signal collection conduction device concentration, vibration signal is converted to the signal of telecommunication by extremely low frequency micro-vibration signal induction apparatus, transmits to ballistocardiogram Signal Analysis System; Received signal is amplified, filters, analyzes, arranges by ballistocardiogram Signal Analysis System, AD conversion, and row operation of going forward side by side analyzes and processes, and generates and includes state, impact strength and breathe the various heart impacting data; The data that impact signal arithmetic processing system is handled well are uploaded to master system by communication module.
2. the ballistocardiogram signal recorder according to claim 1, it is characterised in that the surrounding of described vibration collector panels is along being provided with connecting portion, and is provided with the joint portion in mating connection with this connecting portion on base;
Described base is provided with cavity A, and this cavity A is surrounded by joint portion to form;
When the connecting portion vibrating collector panels is connected with the joint portion on base, vibration collector panels is covered on the cavity A on base so that between the cavity A internal face on the bottom surface of vibration collector panels and base, form a cavity.
3. the ballistocardiogram signal recorder according to claim 2, it is characterized in that, the connecting portion at described vibration collector panels edge is plane, lozenges or step surface, and also is provided with correspondingly plane, lozenges or step surface on the joint portion on base.
4. the ballistocardiogram signal recorder according to claim 1 or 2, it is characterised in that described extremely low frequency micro-vibration signal induction apparatus is arranged at the center in cavity A, described conductive sheet is fixedly installed on the center of vibration receiving sheet end face.
5. the ballistocardiogram signal recorder according to claim 4, it is characterized in that, the top of the annular through-hole in described support is stepped hole or shape hole of falling from power, vibration receiving sheet is set in this stepped hole or shape hole of falling from power, and the edge of vibration receiving sheet can be bonded to each other with the stepped hole of support or shape hole inwall of falling from power.
6. the ballistocardiogram signal recorder according to claim 4, it is characterized in that, described support adopts the material such as plastics or metal to make, the cross section of described support is annular, hollow, rectangular or hollow polygon, the circular in cross-section of described vibration receiving sheet, rectangle or polygon.
7. the ballistocardiogram signal recorder according to claim 1 or 2, it is characterised in that described vibration collector panels is one block of creep resistant sheet material that is that can the extensional vibration signal of 0.1Hz～1000Hz be responded and that possess mechanical performance.
8. according to Claim 8 described in ballistocardiogram signal recorder, it is characterised in that the circular in cross-section shape of described vibration collector panels, rectangular-shaped or polygon-shaped.
9. the ballistocardiogram signal recorder according to claim 1 or 2, it is characterised in that described conductive sheet is rectangular shape, toroidal, polygon-shaped; Or conductive sheet be in hollow, rectangular shape, hollow circular shape, hollow polygon-shaped; Described conductive sheet is lamellar or column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196275.6A CN105662424A (en) | 2016-03-31 | 2016-03-31 | Improved-structure ballistocardiogram signal recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610196275.6A CN105662424A (en) | 2016-03-31 | 2016-03-31 | Improved-structure ballistocardiogram signal recorder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108304822A (en) * | 2018-02-23 | 2018-07-20 | 余海波 | Signal processing apparatus and method |
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| JPH04227234A (en) * | 1991-04-19 | 1992-08-17 | Tokai Rika Co Ltd | Vibration detector for skin surface |
| US20080258923A1 (en) * | 2005-09-08 | 2008-10-23 | At. Labo. Co., Ltd. | Detection Device for Detecting Heartbeat, Respiration and Behavior Level of Small Animal |
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| CN101801263A (en) * | 2007-02-08 | 2010-08-11 | 心动力医疗公司 | Monitoring physiological condition and detecting abnormalities |
| WO2008139583A1 (en) * | 2007-05-10 | 2008-11-20 | Advanced Medical Inc. | Device for detecting vibration in living body and device for examining physiological state of the living body using the same |
| CN102458247A (en) * | 2009-04-23 | 2012-05-16 | 医药信托株式会社 | Bioinformation detecting device |
| CN102688023A (en) * | 2012-04-28 | 2012-09-26 | 清华大学 | Cardiac mechanical function detection system |
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| CN108304822A (en) * | 2018-02-23 | 2018-07-20 | 余海波 | Signal processing apparatus and method |
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