CN103400470B - Electronic emergency alarming device - Google Patents
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- CN103400470B CN103400470B CN201310354481.1A CN201310354481A CN103400470B CN 103400470 B CN103400470 B CN 103400470B CN 201310354481 A CN201310354481 A CN 201310354481A CN 103400470 B CN103400470 B CN 103400470B
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- 206010011878 Deafness Diseases 0.000 abstract description 2
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Abstract
An electronic emergency alarming device relates to consumption products for the old, and is characterized by mainly comprising a casing (1), a button (2) of a button switch, an electronic element and a circuit board, wherein the button (2) of the button switch is arranged on a panel (1-2) on the casing; the electronic element is mounted on the circuit board to form an electronic circuit of the alarming device; the circuit board is arranged inside the casing (1). An old man carrying along the emergency alarming device presses the button on the emergency alarming device for three times when asking for help, then the emergency alarming device can play the voice asking for help to ask for help from a passerby; the emergency alarming device is designed into a three-level trigger switch circuit, is valid when pressed for three times within a certain time, so as to avoid playing the voice asking for help mistakenly, is suitable for being used by the old, the ill and the disabled, particularly for ill old men, the deaf and dumb and people who cannot speak in mandarin or speak in mandarin inaccurately.
Description
Technical field
The present invention relates to old man's consumer products, be related specifically to a kind of old man's emergency help device.
Background technology
China steps into aging society.The social labor in the elderly's past, rich experience and wealth for national accumulation, include the achievement of older generation interior in current social development result and wealth accumulation, the elderly should share society development result, and the elderly should obtain care and the love of society.The elderly is the group of people at high risk of disease, and some old man suffers from various diseases, when go out separately burst disease or health of old man occurs need do not succoured timely in good time.
Summary of the invention
The object of the invention is to develop a kind of old man's emergency help device, when old man go out separately burst disease or health generation discomfort need be succoured timely time, start rescue beacon, send to other people voice of seeking help, thus obtain other people timely relief.
A kind of electric emergency rescue beacon of the present invention, primarily of housing (1), the button (2) of pushbutton switch, electronic component and circuit board composition, the button (2) of pushbutton switch is arranged on the panel (1-2) on housing, it is characterized in that the electronic circuit forming rescue beacon on circuit boards installed by electronic component, circuit board is arranged in housing (1), the structure of electronic circuit is: the first contact of pushbutton switch (SB) is connected to the positive pole of battery (E), second contact of pushbutton switch (SB) is connected to the crus secunda of impulse capacitor (C1), first pin of impulse capacitor (C1) is connected to isolating diode a(VD1) anode, with door a(IC3) first input end and with door b(IC6) the second input end, isolating diode a(VD1) negative electrode be connected to not gate a(IC1) input end, not gate a(IC1) output terminal be connected to isolating diode b(VD2) anode, isolating diode b(VD2) negative electrode be connected to not gate b(IC2) input end, not gate b(IC2) output terminal be connected to feedback resistance a(R3) crus secunda, charging resistor a(R5) crus secunda and charging resistor b(R6) the first pin, feedback resistance a(R3) the first pin be connected to not gate a(IC1) input end, charging resistor a(R5) the first pin be connected to delay capacitor a(C3) positive pole, isolating diode c(VD3) anode and isolating diode e(VD5) anode, delay capacitor a(C3) negative pole be connected to ground wire, isolating diode c(VD3) negative electrode be connected to not gate b(IC2) input end, charging resistor b(R6) crus secunda be connected to delay capacitor b(C4) positive pole and with door a(IC3) the second input end, delay capacitor b(C4) negative pole be connected to ground wire, with door a(IC3) output terminal be connected to isolating diode d(VD4) anode, isolating diode d(VD4) negative electrode be connected to not gate c(IC4) input end, not gate c(IC4) output terminal be connected to isolating diode f(VD6) anode, isolating diode f(VD6) negative electrode and isolating diode e(VD5) negative electrode be connected to not gate d(IC5) input end, not gate d(IC5) output terminal be connected to feedback resistance b(R7) crus secunda and charging resistor c(R8) the first pin, feedback resistance b(R7) the first pin be connected to not gate c(IC4) input end, charging resistor c(R8) crus secunda be connected to delay capacitor c(C6) positive pole and with door b(IC6) first input end, delay capacitor c(C6) negative pole be connected to ground wire, with door b(IC6) output terminal be connected to isolating diode g(VD7) anode, isolating diode g(VD7) negative electrode be connected to not gate e(IC7) input end, not gate e(IC7) output terminal be connected to not gate f(IC8) input end, not gate f(IC8) output terminal be connected to feedback resistance c(R9) crus secunda and triode a(VT1) base stage, feedback resistance c(R9) the first pin be connected to not gate e(IC7) input end, triode a(VT1) collector be connected to the positive pole of battery (E), triode a(VT1) emitter be connected to be close to road resistance d(R10) trigger end of the first pin and sound circuit (IC9), being close to road resistance d(R10) crus secunda is connected to ground wire, the rate adaptation end of sound circuit (IC9) is connected to the crus secunda of rate resistor (R11) and the first pin of speed capacitor (C8), first pin of rate resistor (R11) is connected to the positive pole of battery (E), the crus secunda of speed capacitor (C8) is connected to ground wire, the output terminal of sound circuit (IC9) is connected to the first pin of biasing resistor (R12), the crus secunda of biasing resistor (R12) is connected to triode b(VT2) base stage, triode b(VT2) emitter be connected to ground wire, triode b(VT2) collector be connected to the second terminals of loudspeaker (BL), first terminals of loudspeaker (BL) are connected to the positive pole of battery (E), the power end of sound circuit (IC9) is connected to the positive pole of battery (E), the earth terminal of sound circuit (IC9) is connected to ground wire, the negative pole of battery (E) is connected to ground wire.
In above-mentioned invention, the first contact of pushbutton switch (SB), triode a(VT1) the first terminals of collector, the first pin of rate resistor (R11), the power end of sound circuit (IC9) and loudspeaker (BL) be connected to the positive pole of battery (E) by slide switch (K); The operation slide block of slide switch (K) is in the side of housing (1), and the pin of slide switch (K) directly welds on circuit boards or is wired on circuit board; You Bang road resistance b(R2 between the crus secunda and ground wire of impulse capacitor (C1)); You Bang road resistance a(R1 between first pin and ground wire of impulse capacitor (C1)); At not gate b(IC2) input end and ground wire between You Bang road resistance c(R4); At not gate a(IC1) input end and ground wire between have bypass capasitor a(C2); At not gate c(IC4) input end and ground wire between have bypass capasitor b(C5); At not gate e(IC7) input end and ground wire between have bypass capasitor c(C7).Be close to road resistance b(R2) make impulse capacitor (C1) form discharge loop; Be close to road resistance a(R1) make and door a(IC3) and with door b(IC6) working stability; Be close to road resistance c(R4) make not gate b(IC2) working stability; Bypass capasitor a(C2), bypass capasitor b(C5) and bypass capasitor c(C7) play start reset and Anti-Jamming; Not gate a(IC1), not gate b(IC2), with door a(IC3), not gate c(IC4), not gate d(IC5), with door b(IC6), not gate e(IC7), not gate f(IC8) select digital integrated circuit, the power end of digital integrated circuit is connected to the positive pole of battery (E) by slide switch (K), the earth terminal of digital integrated circuit is connected to ground wire.The input impedance of cmos digital integrated circuit is high, micro power consumption, and there is wider supply voltage working range, the absolute value of voltage noise tolerance limit increases with the increase of supply voltage, so the strong anti-interference performance of circuit, therefore, cmos digital integrated circuit has that power consumption is little, reliable operation, non-damageable feature.
In above-mentioned invention, " I am sick; me please be helped to contact household; telephone number XXXXXXXX " or " I am sick, and me please be helped to contact ambulance " or the voice such as " I is reoccurred heart disease, me please be helped to take medicine; medicine is in coat pocket; me please be helped to contact household, telephone number XXXXXXXX " or " I wants help, and my family stays in XXXXXXXXX " are recorded in sound circuit (IC9).When old man goes out separately, the slide switch of emergency help device is opened, emergency help device is worn old man with it or in pocket or take, when old man's demand helps, the button clicked on emergency help device for three times, emergency help device will play above-mentioned voice of seeking help, and seeks help to passerby.
In order to prevent from touching button and the phenomenon of seeking help occur by mistake by mistake, the present invention is designed to three grades of triggered switch circuit, just it is effective to make to press three buttons within a certain period of time, avoids emergency help device to send voice of by mistake seeking help.
Principle of work of the present invention is: when slide switch (K) is closed, click pushbutton switch (SB), by impulse capacitor (C1) respectively to not gate a(IC1) input end, with door a(IC3) first input end and with door b(IC6) the second input end carry a pulse signal, owing to being connected in parallel on and door a(IC3) the delay capacitor b(C4 of the second input end) and be connected in parallel on and door b(IC6) the delay capacitor c(C6 of first input end) all do not charge, with door a(IC3) the second input end and with door b(IC6) first input end be low level, therefore with door a(IC3) first input end and with door b(IC6) pulse signal of the second input end is invalid, only having not gate a(IC1) pulse signal of input end is effective, make not gate b(IC2) output terminal be converted to high level, not gate b(IC2) high level of output terminal is by feedback resistance a(R3) be input to not gate a(IC1) and input end, carry out high level self-locking, simultaneously, not gate b(IC2) high level of output terminal is by charging resistor a(R5) to delay capacitor a(C3) charge and by charging resistor b(R6) to delay capacitor b(C4) charge, at delay capacitor a(C3) on the voltage still delay capacitor b(C4 lower than 2/3 cell voltage) on voltage when reaching 2/3 cell voltage, click pushbutton switch (SB) again, by impulse capacitor (C1) to door a(IC3) first input end and with door b(IC6) the second input end carry a pulse signal again, pulse signal pair and door a(IC3) first input end effectively and to door b(IC6) the second input end still invalid, with door a(IC3) output terminal be converted to high level, high level is by isolating diode d(VD4) be input to not gate c(IC4) input end, make not gate d(IC5) output terminal be converted to high level, not gate d(IC5) high level of output terminal is by feedback resistance b(R7) be input to not gate c(IC4) and input end, carry out high level self-locking, not gate d(IC5) high level of output terminal is simultaneously by charging resistor c(R8) to delay capacitor c(C6) charge, at delay capacitor a(C3) on the voltage still delay capacitor c(C6 lower than 2/3 cell voltage) on voltage when reaching 2/3 cell voltage, third time presses the button switch (SB), by impulse capacitor (C1) to door b(IC6) pulse signal carried of the second input end is effective, with door b(IC6) output terminal is converted to high level, high level is by isolating diode g(VD7) be input to not gate e(IC7) input end, make not gate f(IC8) output terminal be converted to high level, not gate f(IC8) high level of output terminal is by feedback resistance c(R9) be input to not gate e(IC7) and input end, carry out high level self-locking, not gate f(IC8) high level of output terminal is input to triode a(VT1 simultaneously) base stage, make triode a(VT1) emitter carry trigger pip to sound circuit (IC9), the output terminal of sound circuit (IC9) is made to export the voice signal of seeking help recorded, by triode b(VT2) amplify after promote loudspeaker (BL) and play and to seek help voice, voice of seeking help meeting loop play, until slide switch (K) turns off.During concrete enforcement, delay capacitor a(C3) duration of charging determined charging resistor a(R5 by 5 seconds) resistance and delay capacitor a(C3) electric capacity; Delay capacitor b(C4) duration of charging determined charging resistor b(R6 by 0.5 second) resistance and delay capacitor b(C4) electric capacity; Delay capacitor c(C6) duration of charging determined charging resistor c(R8 by 0.5 second) resistance and delay capacitor c(C6) electric capacity, when reaching delay capacitor a(C3) duration of charging time, circuit can carry out automatic clear, as failed to press secondary button again in 5 seconds after first time presses the button switch (SB), the information originally pressed will be automatically cleared, and can not occur to seek help by mistake.
The present invention is applicable to the elderly, patient, disabled person use, and is particularly suitable for ill old man, deaf-mute, can not the inaccurate crowd of mandarin or mandarin uses.
The invention has the beneficial effects as follows: a kind of electric emergency rescue beacon of design, be applicable to the elderly, patient, disabled person's use, when old man go out separately burst disease or health generation discomfort need be succoured timely time, start rescue beacon, send to other people voice of seeking help, thus obtain other people timely relief.
Accompanying drawing explanation
Accompanying drawing 1 is the external view of a kind of electric emergency rescue beacon of the present invention.
Accompanying drawing 2 is circuit diagrams of a kind of electric emergency rescue beacon of the present invention.
In figure: 1. the housing of rescue beacon, 2. the button of pushbutton switch, 1-1. penetrable sound hole, panel on 1-2. housing, wearing hole on 1-3. housing, R1. road resistance a is close to, R2. road resistance b is close to, R3. feedback resistance a, R4. road resistance c is close to, R5. charging resistor a, R6. charging resistor b, R7. feedback resistance b, R8. charging resistor c, R9. feedback resistance c, R10. road resistance d is close to, R11. rate resistor, R12. biasing resistor, C1. impulse capacitor, C2. bypass capasitor a, C3. delay capacitor a, C4. delay capacitor b, C5. bypass capasitor b, C6. delay capacitor c, C7. bypass capasitor c, C8. speed capacitor, VD1. isolating diode a, VD2. isolating diode b, VD3. isolating diode c, VD4. isolating diode d, VD5. isolating diode e, VD6. isolating diode f, VD7. isolating diode g, IC1. not gate a, IC2. not gate b, IC3. with door a, IC4. not gate c, IC5. not gate d, IC6. with door b, IC7. not gate e, IC8. not gate f, IC9. sound circuit, VT1. triode a, VT2. triode b, E. battery, K. slide switch, SB. pushbutton switch, BL. loudspeaker.
Embodiment
In embodiment shown in embodiment 1 accompanying drawing 1, electric emergency rescue beacon is primarily of the button (2) of housing (1), pushbutton switch, electronic component and circuit board composition, the button (2) of pushbutton switch is arranged on the panel (1-2) on housing, the electronic circuit forming rescue beacon on circuit boards installed by electronic component, and circuit board is arranged in housing (1); The operation slide block of slide switch (K) is in the side of housing (1), and the pin of slide switch (K) directly welds on circuit boards or is wired on circuit board; Electric emergency rescue beacon has wearing hole (1-3); " I am sick; me please be helped to contact household; telephone number XXXXXXXX " or " I am sick; me please be helped to contact ambulance " or " I is reoccurred heart disease; me please be helped to take medicine, and medicine, in coat pocket, please help me to contact household; telephone number XXXXXXXX " or " I wants help, and my family stays in XXXXXXXXX " voice are recorded in sound circuit in electric emergency rescue beacon circuit.When old man goes out separately, the slide switch of emergency help device is opened, emergency help device is worn old man with it or in pocket or take, when old man's demand helps, the button pressed on emergency help device for three times within 5-8 time second, emergency help device will the good voice of seeking help of played pre-recorded, seek help to passerby.
In embodiment shown in embodiment 2 accompanying drawing 2, the structure of the electronic circuit of electric emergency rescue beacon is: the positive pole of battery (E) is connected to the first end of slide switch (K), second end of slide switch (K) is connected to the first contact of pushbutton switch (SB), triode a(VT1) collector, first pin of rate resistor (R11), the power end of sound circuit (IC9) and the first terminals of loudspeaker (BL), second contact of pushbutton switch (SB) is connected to the crus secunda of impulse capacitor (C1), You Bang road resistance b(R2 between the crus secunda and ground wire of impulse capacitor (C1)), You Bang road resistance a(R1 between first pin and ground wire of impulse capacitor (C1)), first pin of impulse capacitor (C1) is connected to isolating diode a(VD1) anode, with door a(IC3) first input end and with door b(IC6) the second input end, isolating diode a(VD1) negative electrode be connected to not gate a(IC1) input end, at not gate a(IC1) input end and ground wire between have bypass capasitor a(C2), not gate a(IC1) output terminal be connected to isolating diode b(VD2) anode, isolating diode b(VD2) negative electrode be connected to not gate b(IC2) input end, at not gate b(IC2) input end and ground wire between You Bang road resistance c(R4), not gate b(IC2) output terminal be connected to feedback resistance a(R3) crus secunda, charging resistor a(R5) crus secunda and charging resistor b(R6) the first pin, feedback resistance a(R3) the first pin be connected to not gate a(IC1) input end, charging resistor a(R5) the first pin be connected to delay capacitor a(C3) positive pole, isolating diode c(VD3) anode and isolating diode e(VD5) anode, delay capacitor a(C3) negative pole be connected to ground wire, isolating diode c(VD3) negative electrode be connected to not gate b(IC2) input end, charging resistor b(R6) crus secunda be connected to delay capacitor b(C4) positive pole and with door a(IC3) the second input end, delay capacitor b(C4) negative pole be connected to ground wire, with door a(IC3) output terminal be connected to isolating diode d(VD4) anode, isolating diode d(VD4) negative electrode be connected to not gate c(IC4) input end, at not gate c(IC4) input end and ground wire between have bypass capasitor b(C5), not gate c(IC4) output terminal be connected to isolating diode f(VD6) anode, isolating diode f(VD6) negative electrode and isolating diode e(VD5) negative electrode be connected to not gate d(IC5) input end, not gate d(IC5) output terminal be connected to feedback resistance b(R7) crus secunda and charging resistor c(R8) the first pin, feedback resistance b(R7) the first pin be connected to not gate c(IC4) input end, charging resistor c(R8) crus secunda be connected to delay capacitor c(C6) positive pole and with door b(IC6) first input end, delay capacitor c(C6) negative pole be connected to ground wire, with door b(IC6) output terminal be connected to isolating diode g(VD7) anode, isolating diode g(VD7) negative electrode be connected to not gate e(IC7) input end, at not gate e(IC7) input end and ground wire between have bypass capasitor c(C7), not gate e(IC7) output terminal be connected to not gate f(IC8) input end, not gate f(IC8) output terminal be connected to feedback resistance c(R9) crus secunda and triode a(VT1) base stage, feedback resistance c(R9) the first pin be connected to not gate e(IC7) input end, triode a(VT1) emitter be connected to be close to road resistance d(R10) trigger end of the first pin and sound circuit (IC9), being close to road resistance d(R10) crus secunda is connected to ground wire, the rate adaptation end of sound circuit (IC9) is connected to the crus secunda of rate resistor (R11) and the first pin of speed capacitor (C8), the crus secunda of speed capacitor (C8) is connected to ground wire, the output terminal of sound circuit (IC9) is connected to the first pin of biasing resistor (R12), the crus secunda of biasing resistor (R12) is connected to triode b(VT2) base stage, triode b(VT2) emitter be connected to ground wire, triode b(VT2) collector be connected to the second terminals of loudspeaker (BL), the earth terminal of sound circuit (IC9) is connected to ground wire, the negative pole of battery (E) is connected to ground wire.In the present embodiment, not gate a(IC1), not gate b(IC2), not gate c(IC4), not gate d(IC5), not gate e(IC7) and not gate f(IC8) share the hex inverter cmos digital integrated circuit of the band Schmidt trigger of a CC40106 model; With door a(IC3) and with door b(IC6) share 42 of a CC4081 model and input and door cmos digital integrated circuit, use wherein two groups, unnecessary 2 groups are connected to ground wire with the input end of door; The power end of digital integrated circuit is connected to the positive pole of battery (E) by slide switch (K), the earth terminal of digital integrated circuit is connected to ground wire.
Claims (4)
1. an electric emergency rescue beacon, primarily of the button (2) of housing (1), pushbutton switch, electronic component and circuit board composition, the button (2) of pushbutton switch is arranged on the panel (1-2) on housing, it is characterized in that the electronic circuit forming rescue beacon on circuit boards installed by electronic component, circuit board is arranged in housing (1), and the structure of electronic circuit is:
First contact of pushbutton switch (SB) is connected to the positive pole of battery (E), second contact of pushbutton switch (SB) is connected to the crus secunda of impulse capacitor (C1), and the first pin of impulse capacitor (C1) is connected to isolating diode a(VD1) anode, with door a(IC3) first input end and with door b(IC6) the second input end, isolating diode a(VD1) negative electrode be connected to not gate a(IC1) input end, not gate a(IC1) output terminal be connected to isolating diode b(VD2) anode, isolating diode b(VD2) negative electrode be connected to not gate b(IC2) input end, not gate b(IC2) output terminal be connected to feedback resistance a(R3) crus secunda, charging resistor a(R5) crus secunda and charging resistor b(R6) the first pin, feedback resistance a(R3) the first pin be connected to not gate a(IC1) input end, charging resistor a(R5) the first pin be connected to delay capacitor a(C3) positive pole, isolating diode c(VD3) anode and isolating diode e(VD5) anode, delay capacitor a(C3) negative pole be connected to ground wire, isolating diode c(VD3) negative electrode be connected to not gate b(IC2) input end, charging resistor b(R6) crus secunda be connected to delay capacitor b(C4) positive pole and with door a(IC3) the second input end, delay capacitor b(C4) negative pole be connected to ground wire, with door a(IC3) output terminal be connected to isolating diode d(VD4) anode, isolating diode d(VD4) negative electrode be connected to not gate c(IC4) input end, not gate c(IC4) output terminal be connected to isolating diode f(VD6) anode, isolating diode f(VD6) negative electrode and isolating diode e(VD5) negative electrode be connected to not gate d(IC5) input end, not gate d(IC5) output terminal be connected to feedback resistance b(R7) crus secunda and charging resistor c(R8) the first pin, feedback resistance b(R7) the first pin be connected to not gate c(IC4) input end, charging resistor c(R8) crus secunda be connected to delay capacitor c(C6) positive pole and with door b(IC6) first input end, delay capacitor c(C6) negative pole be connected to ground wire, with door b(IC6) output terminal be connected to isolating diode g(VD7) anode, isolating diode g(VD7) negative electrode be connected to not gate e(IC7) input end, not gate e(IC7) output terminal be connected to not gate f(IC8) input end, not gate f(IC8) output terminal be connected to feedback resistance c(R9) crus secunda and triode a(VT1) base stage, feedback resistance c(R9) the first pin be connected to not gate e(IC7) input end, triode a(VT1) collector be connected to the positive pole of battery (E), triode a(VT1) emitter be connected to be close to road resistance d(R10) trigger end of the first pin and sound circuit (IC9), being close to road resistance d(R10) crus secunda is connected to ground wire, the rate adaptation end of sound circuit (IC9) is connected to the crus secunda of rate resistor (R11) and the first pin of speed capacitor (C8), first pin of rate resistor (R11) is connected to the positive pole of battery (E), the crus secunda of speed capacitor (C8) is connected to ground wire, the output terminal of sound circuit (IC9) is connected to the first pin of biasing resistor (R12), the crus secunda of biasing resistor (R12) is connected to triode b(VT2) base stage, triode b(VT2) emitter be connected to ground wire, triode b(VT2) collector be connected to the second terminals of loudspeaker (BL), first terminals of loudspeaker (BL) are connected to the positive pole of battery (E), the power end of sound circuit (IC9) is connected to the positive pole of battery (E), the earth terminal of sound circuit (IC9) is connected to ground wire, the negative pole of battery (E) is connected to ground wire.
2. a kind of electric emergency rescue beacon according to claim 1, is characterized in that the first contact of pushbutton switch (SB), triode a(VT1) the first terminals of collector, the first pin of rate resistor (R11), the power end of sound circuit (IC9) and loudspeaker (BL) be connected to the positive pole of battery (E) by slide switch (K); The operation slide block of slide switch (K) is in the side of housing (1), and the pin of slide switch (K) directly welds on circuit boards or is wired on circuit board.
3. a kind of electric emergency rescue beacon according to claim 1, is characterized in that You Bang road resistance b(R2 between the crus secunda and ground wire of impulse capacitor (C1)); You Bang road resistance a(R1 between first pin and ground wire of impulse capacitor (C1)); At not gate b(IC2) input end and ground wire between You Bang road resistance c(R4).
4. a kind of electric emergency rescue beacon according to claim 1, is characterized in that at not gate a(IC1) input end and ground wire between have bypass capasitor a(C2); At not gate c(IC4) input end and ground wire between have bypass capasitor b(C5); At not gate e(IC7) input end and ground wire between have bypass capasitor c(C7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310354481.1A CN103400470B (en) | 2013-08-15 | 2013-08-15 | Electronic emergency alarming device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310354481.1A CN103400470B (en) | 2013-08-15 | 2013-08-15 | Electronic emergency alarming device |
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| CN103400470A CN103400470A (en) | 2013-11-20 |
| CN103400470B true CN103400470B (en) | 2015-07-01 |
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| CN201310354481.1A Expired - Fee Related CN103400470B (en) | 2013-08-15 | 2013-08-15 | Electronic emergency alarming device |
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| CN106214443A (en) * | 2016-08-12 | 2016-12-14 | 南京中脉科技发展有限公司 | A kind of Multifunction old-man protection device |
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| CN2160579Y (en) * | 1993-03-05 | 1994-04-06 | 李荣恭 | Calling apparatus |
| CN2621376Y (en) * | 2003-04-29 | 2004-06-23 | 卢加念 | Household emergency call device |
| CN2768114Y (en) * | 2003-08-25 | 2006-03-29 | 上海市民政工业技术研究所 | Multifunctional voice caller |
| CN201616166U (en) * | 2009-08-18 | 2010-10-27 | 秦皇岛光彩科技发展有限公司 | Portable distress call device for old persons |
| CN203350988U (en) * | 2013-08-15 | 2013-12-18 | 衢州昀睿工业设计有限公司 | Electronic emergency rescue device |
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| Publication number | Publication date |
|---|---|
| CN103400470A (en) | 2013-11-20 |
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