CN103387163A - System of emergency call inspection for elevator - Google Patents
System of emergency call inspection for elevator Download PDFInfo
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- CN103387163A CN103387163A CN2013102218904A CN201310221890A CN103387163A CN 103387163 A CN103387163 A CN 103387163A CN 2013102218904 A CN2013102218904 A CN 2013102218904A CN 201310221890 A CN201310221890 A CN 201310221890A CN 103387163 A CN103387163 A CN 103387163A
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Abstract
The invention provides a system of emergency call inspection for an elevator, capable of precisely determining whether the inspection of an emergency call device is good or not without increasing burden of a monitor at a monitor center side. In the system, at a monitor center device side, a sound signal after reference literal data of a comparison device of a sound inspection part are subjected to the sound conversion via a sound conversion device is sent to a terminal device via a communication processing part and a communication line. In a device, a signal received by the communication processing part is used to enable a loudspeaker of an interphone of an emergency call device in a lift car to make a sound through a sound processing device, and a sound signal obtained by collecting sound with a microphone is sent to the device via a processing part and a line. In the device, signals received by the processing part are subjected to the literal conversion by a literal conversion device through the sound identification processing and used as literal data. According to a comparison result between the reference literal data before conversion and the literal data after the conversion, whether the matching is available is determined, and the comparison result is kept by a storage part.
Description
Technical field
The overseer who the present invention relates to be fit to the central monitoring position side carries out the elevator urgency traffic check system of inspection of the urgency traffic device of elevator.
Background technology
Generally, the urgency traffic device of elevator, respectively in car and arrange in the room of the handler chamber in building of elevator or business quarters etc. and respectively interphone is set in order to can converse, for example when being closed in user in car at the elevator abnormal and utilizing interphone to call out, the handler is not in the situation that reply interphone in room, continuation connects the communicator of the central monitoring position of telemonitoring elevator via communication line, in order to can converse with the overseer.
, as the known technology that is used for checking such urgency traffic device, can enumerate searcher (overseer of central monitoring position side) and needn't arrive on-the-spot " interphone system of elevator and inspection method thereof " (with reference to patent documentation 1) that just can check effectively.
Patent documentation 1: Japanese kokai publication hei 7-123162 communique
the technology of above-mentioned patent documentation 1, by in the interphone in car, record being set, regeneration is from the record regenerating section of the detection signal of central monitoring position and the interphone control circuit of controlling this record regenerating section, the pre-recorded inspection signal that sends from central monitoring position in record regenerating section, regeneration checks that signal sends to central monitoring position when interphone control circuit call supervision center, can not spend the elevator setting place thus, and by an overseer of central monitoring position side, check that interphone in car and calling check or the conversation of central monitoring position check.
but, technology according to patent documentation 1, because the overseer of central monitoring position side confirms the inspection signal (regeneration checks sound) that sends from the regeneration of the interphone in the car of elevator by the sense of hearing, so exist according to overseer individual's physical qualification or hearing and whether in the result of good judgement, the problem of deviation occur easily in the inspection about the urgency traffic device, in addition, when carrying out the inspection of urgency traffic device in the car driving process, compare while with car, stopping, sneaking into the sound that travels is difficult to carry out accurately about whether good judgement of the inspection of urgency traffic device.Therefore, for the overseer of central monitoring position side, the inspection of urgency traffic device becomes suitable burden.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is to provide a kind of elevator urgency traffic check system, it can not increase burden to the overseer of central monitoring position side, can carry out accurately about whether good judgement of the inspection of urgency traffic device.
In order to solve above-mentioned technical task, basic structure of the present invention is a kind of elevator urgency traffic check system, has the terminating set of the abnormal and output abnormality signal that detects the above elevator of at least one system; Circulated a notice of the central monitoring position device of abnormal signal via communication line from terminating set; With in the car that is arranged on elevator and have a urgency traffic device of the interphone that comprises collection line and sound generating unit, check via terminating set and communication line whether the talking state between interphone and central monitoring position device is good, it is characterized in that, the central monitoring position device has: the sound mapping device is pre-stored rewritable grapholect data transformation to send to terminating set after aud. snl.; The text transform device, process the aud. snl. that sends from terminating set be transformed to lteral data by voice recognition; And discriminator, carry out according to the comparative result of lteral data and grapholect data the judgement whether matching is set up, error state when differentiating the normal condition while having confirmed matching and not confirming matching, terminating set has sound processing apparatus, it makes the sound generating unit pronounce by the aud. snl. that sends from the central monitoring position device, and to this central monitoring position device transmission collection line, this pronunciation is collected the aud. snl. that sound obtains.
elevator according to the present invention checks with urgency traffic, because at the central monitoring position device side, the aud. snl. that the benchmark lteral data is carried out after sound mapping is sent to terminating set, sound processing apparatus by terminating set pronounces the sound generating unit that the interphone of the urgency traffic device in car has, and receive the collection line that has by the INCOM intercom circuit via communication line pronunciation this moment is collected the aud. snl. that sound obtains, carry out text transform by the voice recognition processing of text transform device and obtain lteral data, thus can be according to discriminator the result of comparison of the benchmark lteral data before to sound mapping and the lteral data after text transform, carry out with vision the differentiation whether matching is set up, so can not need situation that the sense of hearing judges to increase burden to the overseer of central monitoring position side as patent documentation 1, can carry out accurately objectively about whether good judgement (about details, describing in detail in embodiment) of the inspection of urgency traffic device.
Description of drawings
Fig. 1 means the block diagram of the elevator of the embodiment of the present invention 1 with the basic structure of urgency traffic check system.
Fig. 2 means the diagram of circuit of the correlativity that the action of the terminating set that has in the urgency traffic check system at elevator shown in Figure 1 and central monitoring position device is processed.
Fig. 3 means the diagram of circuit when change has been carried out in the part processing during action shown in Figure 2 is processed.
Nomenclature
1 car; 2 interphones; The 2A loud speaker; The 2B microphone; 3 terminating sets; 4 halted state detecting devices; 5 passengers (user) detecting device; 6,13 communication process sections; 7 sound processing apparatus; 8 sound storage devices; 9 communication lines; 10 central monitoring position devices; 11 conversation inspection program sections; 12 conversations check handling part; 14 Storage Departments as a result; 20 sound inspection sections; 21 discriminator; 21A benchmark lteral data management department; 21B lteral data management department; 22 sound mapping devices; 23 text transform devices
The specific embodiment
Below the elevator urgency traffic check system that present invention will be described in detail with reference to the accompanying as an example of embodiment example.
[embodiment 1]
Fig. 1 means the block diagram of the elevator of the embodiment of the present invention 1 with the basic structure of urgency traffic check system.This urgency traffic check system has: terminating set 3, the abnormal and output abnormality signal in the car 1 of its detection arranges in omitting graphic building a elevator more than system; Central monitoring position device 10, circulate a notice of abnormal signals from this terminating set 3 via 9 pairs of central monitoring position devices of communication line 10; And urgency traffic device, it is arranged in car 1, and have and comprise as the microphone 2B of collection line with as the interphone 2 of the loud speaker 2A of sound generating unit, this urgency traffic check system has via terminating set 3 and communication line 9 and checks talking state good function whether between interphones 2 and central monitoring position device 10.
Wherein, terminating set 3 has: halted state detecting device 4, and the graphic control setup of its omission from elevator is accepted running signal, detects the halted state of car 1; Passenger sensory device 5, it accepts the weight signal of car 1 from control setup, detect the existence of the user (passenger) in car 1; Communication process section 6, its aud. snl. described later that sends via communication line 9 from central monitoring position device 10 is to the loud speaker 2A output of the interphone 2 in car 1, and bears the inside and outside communication function of device; Sound processing apparatus 7, it makes the aud. snl. that sends via communication line 9 from central monitoring position device 10 via the communication process section 6 loud speaker 2A pronunciation of Interworking Telephone 2 internally, and via communication process section 6 and communication line 9, to central monitoring position device 10, sends with microphone 2B pronunciation is at this moment collected the aud. snl. that sound obtains; With sound storage device 8, the aud. snl. that it obtains with microphone 2B collection sound via sound processing apparatus 7 storages.
By the way, the sound processing apparatus 7 of above-mentioned terminating set 3 has and is sent in the function of the aud. snl. of storage in sound storage device 8 via communication process section 6 and communication line 9 to central monitoring position device 10.This function is because of the timing with respect to the 3 transmission aud. snl.s from central monitoring position device 10 to terminating set, can make the constant time lag of the aud. snl. that is sent in sound storage device 8 storage from terminating set 3 to central monitoring position device 10, thus can make aud. snl. overlappingly on signal wire (SW) carrying from the aud. snl. of terminating set 3.As a result, can carry out the voice recognition processing to the good aud. snl. of freshness in central monitoring position device 10 sides described later, after being transformed into lteral data, relatively differentiate accurately.
In addition, central monitoring position device 10 has: conversation inspection program section 11, the inspection of the urgency traffic device (interphone 2) of the car 1 of its plan elevator; Conversation checks handling part 12, it selects the terminating set 3 by conversation inspection program section 11 examination plannings, check ready signal via the 13 Sending dialled numbers callings of communication process section, conversation, and when the terminating set 3 from selection receives the conversation inspection commencing signal that sends as replying of conversation inspection ready signal reception, make the inspection of the urgency traffic device of the sound inspection section 20 enforcement elevators in device via communication process section 13; Sound inspection section 20, it, in accordance with check the indication via communication process section 13 of handling part 12 from conversation, carries out the inspection of urgency traffic device; With Storage Department 14 as a result, the check result of its keeping sound inspection section 20.
That is, in this central monitoring position device 10, understanding in advance will be carried out the inspection of the urgency traffic device of elevator in terminating set 3, in order to can carry out starting the sound storage device 8 in terminating set 3 the inspection preparation of switching.In addition, and the situation that can't carry out the inspection of urgency traffic device bad due to certain for elevator, so because from terminating set 3, can't send conversation inspection commencing signal to central monitoring position device 10 sides, can grasp this situation, can easily be scheduled to change this moment, in order to implement the inspection of urgency traffic device on other opportunity.
And have in the sound inspection section 20 of central monitoring position device 10: sound mapping device 22, its pre-stored rewritable grapholect data transformation are that aud. snl. is by by communication process section 13 and communication line 9, to terminating set 3, being sent; Text transform device 23, it is processed from terminating set 3, via the aud. snl. that communication line 9 and communication process section 13 send, being transformed to lteral data by voice recognition; With discriminator 21, it is according to the comparative result of the grapholect data of carrying out the lteral data after text transform with text transform device 23 and using before the sound mapping that is undertaken by sound mapping device 22, carry out the judgement whether matching is set up, the error state when differentiating the normal condition while confirming matching and not confirming matching.By the way, in the discriminator 21 here, have in advance and to keep and the benchmark lteral data 21A of management department of management standard lteral data and keep and manage the 21B of lteral data management department of the lteral data of obtaining from text transform device 23.By such structure, keeping check result in above-mentioned Storage Department as a result 14, this check result represents the normal condition or the error state that compare to determine by discriminator 21 about the terminating set 3 of selecting.
use the structure of urgency traffic check system according to the elevator of such embodiment 1, because in central monitoring position device 10 sides, send the benchmark lteral data is carried out the aud. snl. that sound mapping obtains to terminating set 3, the loud speaker 2A pronunciation that sound processing apparatus 7 by terminating set 3 has from the interphone 2 of the urgency traffic device in car 1, and receive via communication line 9 the microphone 2B that has by interphone 2 pronunciation is at this moment collected the aud. snl. that sound obtains, process and to carry out after text transform obtains lteral data in the voice recognition by text transform device 23, the result of the benchmark lteral data before the sound mapping that can carry out according to discriminator 21 and the comparison of the lteral data after text transform, vision is carried out the differentiation whether matching is set up, so can carry out accurately objectively about whether good judgement of the inspection of urgency traffic device.
But, in above-mentioned terminating set 3, wish that communication process section 6 is receiving while from the conversation of central monitoring position device 10, checking ready signal, detecting in car 1 and whether existing passenger's (user) result for not existing by passenger sensory device 5, and the moment of the halted state of car 1 detected by halted state detecting device 4, send conversation to central monitoring position device 10 and check commencing signal.By such function, in the few period (time band) of burden such as selecting the overseer such as night, can be in halted state at elevator, implement rightly the inspection of urgency traffic device under interior nobody the optimal condition of car 1.
Fig. 2 means the diagram of circuit of the elevator of embodiment 1 with the correlativity of the processing of the action in the terminating set 3 that has in the urgency traffic check system and central monitoring position device 10.About the fundamental operation of this elevator with the urgency traffic check system, initial terminating set 3 from central monitoring position device 10 to the inspection of carrying out the urgency traffic device carries out dial-up, sends (T1) conversation by communication process section 6 to this terminating set 3 and check ready signal when corresponding terminating set 3 is replied.In corresponding terminating set 3 when receive (S1) conversation check ready signal (time), the passenger sensory device 5 that receives weight signal by the control setup from elevator carries out in car 1 whether nobody judgement (S2).About the result of this judgement, if car 1 is interior unmanned, the halted state detecting device 4 that then by the control setup from elevator, receives running signal carries out the judgement (S3) whether elevator (car 1) stops., about the result of this judgement,, if elevator (car 1) just stops, by communication process section 6, to central monitoring position device 10, send conversation and check commencing signal (S4).
in addition, terminating set 3, in car 1 in front whether the result of unmanned judgement (S2) be in the situation that in car 1 not unmanned (people is arranged), perhaps judgement (S3) result that whether stops of the elevator of front is in the situation of (under steam) during elevator (car 1) not stops, whether by overtime judgement (S5) carries out whether surpassing the judgement of predetermined time, if it is not overtime, turn back in the car 1 of front whether unmanned judgement (S2) and repeat before thereafter processing, if but overtime think to check that object is unaccommodated overtime, tenth skill is processed.
And, in central monitoring position device 10, whether receive the judgement (T2) that checks commencing signal in terminating set 3 by the previous conversation that sends of communication process section 6.Result about this judgement, do not check commencing signal if receive conversation, whether by overtime judgement (T3) carries out whether surpassing the judgement of predetermined time, if it is not overtime, turn back to judgement (T2) reprocessing before that whether receives this conversation inspection commencing signal, if but overtime think to check object unaccommodated overtime (T4), this outcome record in results management section 14 (T11) afterwards tenth skill process.In addition, as the result that whether receives conversation and check the judgement (T2) of commencing signal, check commencing signal if receiving conversation, by sound mapping device 22, the benchmark lteral data of the benchmark lteral data 21A of management department is transformed to after aud. snl. from communication process section 13 via communication line 9 to terminating set 3 transmissions (T5).
Therefore, in terminating set 3, when being received the aud. snl. that (S7) send from central monitoring position device 10 by communication process section 6, by sound processing apparatus 7 via communication process section 6 to the loud speaker 2A output sound signal in the interphone 2 in car 1,, by loud speaker 2A pronunciation (S8), send (S9) via communication process section 6 and communication line 9 to central monitoring position device 10 thereafter and be taken into by microphone 2B the aud. snl. that the sound of (collection sound) pronunciation obtains.in central monitoring position device 10, when receiving the aud. snl. that (T6) send from terminating set 3 by communication process section 13, process the aud. snl. conversion (T7) that receives is lteral data by voice recognition by text transform device 23, and keeping is in the 21B of lteral data management department of discriminator 21, then according to discriminator 21 lteral data after for the text transform of keeping in the 21B of lteral data management department and the benchmark lteral data with the 21A of management department in benchmark lteral data before certainly the sound mapping result after comparing, carry out the judgement (T8) whether matching is set up.Result about this judgement, if confirming matching differentiating is normal (good) state (T10), differentiating when not confirming matching is abnormal (bad) state (T9), and any situation is all recording (T11) and taking care of and differentiate result in Storage Department 14 as a result.
The judgement (T8) of whether setting up about the matching of above-mentioned comparative result according to the lteral data after text transform and the benchmark lteral data before sound mapping, can illustration according to lteral data and benchmark lteral data situation about judging in full accord whether, in addition, if the word number unanimously also can be judged to be normal more than predetermined ratio.
but, process about action illustrated in fig. 2, the sound mapping device 22 that passes through of accepting central monitoring position device 10 sides is transformed to the benchmark lteral data processing of backward terminating set 3 transmissions (T5) of aud. snl., carry out the processing of the reception (S7) of terminating set 3 sides from the aud. snl. of central monitoring position device 10 transmissions, make the processing of loud speaker 2A pronunciation (S8) by aud. snl., send (S9) to central monitoring position device 10 and be taken into the processing of the aud. snl. that the sound of pronunciation obtains by microphone 2B, and while accepting the processing of the aud. snl. that these receptions (T6) of implementing central monitoring position device 10 sides as a series of flow process send from terminating set 3, singing occurs sometimes, be difficult to receive in central monitoring position device 10 sides the aud. snl. that (T6) sends from terminating set 3, be difficult to carry out by voice recognition thereupon and process the aud. snl. conversion (T7) that receives by text transform device 23 is the processing of lteral data.At this moment, as long as the aud. snl. that is obtained by microphone 2B collection sound temporarily is stored in sound storage device 8.
Fig. 3 means the diagram of circuit the when part during having changed action that Fig. 2 represents processes is processed.With reference to Fig. 3, terminating set 3 sides in the action of Fig. 2 is processed, be taken into microphone 2B the processing of the aud. snl. that (collection sound) send in car 1 sound obtains except change sends (S9) to central monitoring position device 10, the action that other are processed and Fig. 2 represents is treated to same content.
While with reference to Fig. 3, illustrating, at this as illustrated in fig. 2, the sound mapping device 22 that passes through of accepting central monitoring position device 10 sides is transformed to the benchmark lteral data processing of backward terminating set 3 transmissions (T5) of aud. snl., carries out the reception (S7) of terminating set 3 sides from the processing of the aud. snl. of central monitoring position device 10 transmissions and the processing that makes loud speaker 2A pronunciation (S8) by this aud. snl..Thereafter, as processing after changing, carry out following processing: use microphone 2B to be taken into the sound that sends and record (S90), then the aud. snl. of recording in sound storage device 8 is regenerated, to central monitoring position device 10, send (S91) in sound storage device 8.With illustrated in fig. 2 action process identical thereafter, accept these, the processing of the aud. snl. that the reception (T6) of implementing central monitoring position device 10 sides sends from terminating set 3 and text transform device 23 carry out processes by voice recognition the aud. snl. conversion (T7) that handle receives and is the processing of lteral data.
If implementing the action of Fig. 3 processes, the harmful effect that not only can avoid the generation of singing etc. to cause, can also make the signal that flows on the order wire between the communication process section 6 of the communication process section 13 of central monitoring position device 10 and terminating set 3 is only a direction, the noise that comprises in thus can reduce signal, after the signal good to freshness carries out voice recognition and process and to be transformed into lteral data, can compare accurately differentiation.
In addition, the elevator of embodiment 1 with the urgency traffic check system in because take rewritable grapholect data transformation as aud. snl. as prerequisite, so the conduct content corresponding with the building that is provided with elevator, can individual settings benchmark lteral data.This benchmark lteral data, it is desirable to become when sound mapping pronounces, even the stop third party (beyond the user in expression car 1), hear also and can not feel uncomfortable form.Specifically, for example can illustration adopt " present checking communicator." time the message of auditory tone cues, but the message of the auditory tone cues also can replace as operation usually the time, can use in the facility in hospital or home for destitute etc. that " door has been opened.", " PLEASE MIND THE STEP." etc., perhaps can use and " please go up in general machine etc." etc.In addition, because the result when keeping has the check result of urgency traffic device to be abnormal (bad) state in Storage Department 14 as a result, so in the situation that again implement to check still and can not finish to make overseer (the double maintenance management person who sets out of the special expression in this case) scene of setting out of central monitoring position device 10 sides to tackle neatly with normal condition.And, although understand the situation of the state that nobody stops according to the testing result judgement elevator (car 1) of passenger sensory device 5 and halted state detecting device 4, but because elevator has door when certain does not use more than specific time and closes the function that stops, if, so can detect this state, can omit passenger sensory device 5 or halted state detecting device 4.Can seek all costs of reduction system this moment.In addition, communication condition as the 10 conversations inspection commencing signals that send from from terminating set 3 to the central monitoring position device, if append the condition of connecting about the door closing signal of the door of car 1, the noise of sneaking into from car 1 in the time of can lowering the inspection of urgency traffic device.Like this, elevator of the present invention with the urgency traffic check system because can change to variety of way, so be not limited to the mode of explanation in embodiment 1.
Claims (4)
1. elevator urgency traffic check system, it has and detects the abnormal of the above elevator of at least one system, the terminating set of output abnormality signal; Circulated a notice of the central monitoring position device of above-mentioned abnormal signal via communication line from above-mentioned terminating set; With in the car that is arranged on above-mentioned elevator and urgency traffic device that have the interphone that comprises collection line and sound generating unit, check via above-mentioned terminating set and above-mentioned communication line whether the talking state between above-mentioned interphone and above-mentioned central monitoring position device is good, it is characterized in that
Above-mentioned central monitoring position device has: the sound mapping device, and its pre-stored grapholect data transformation that can rewrite is to send to above-mentioned terminating set after aud. snl.;
The text transform device, it is processed the aud. snl. that sends from above-mentioned terminating set is transformed to lteral data by voice recognition; And
Discriminator, its comparative result according to above-mentioned lteral data and above-mentioned grapholect data carries out the judgement whether matching is set up, the error state when differentiating the normal condition while having confirmed matching and not confirming matching,
Above-mentioned terminating set has sound processing apparatus, and it makes the sound generating unit pronounce by the aud. snl. that sends from above-mentioned central monitoring position device, and to this central monitoring position device, sends, by above-mentioned collection line, this pronunciation is collected the aud. snl. that sound obtains.
2. elevator according to claim 1 urgency traffic check system, is characterized in that,
Above-mentioned terminating set has sound storage device, the tut signal that it obtains by above-mentioned collection line collection sound by the storage of tut processing equipment.
3. elevator according to claim 1 and 2 urgency traffic check system, is characterized in that,
Above-mentioned central monitoring position device has to above-mentioned terminating set transmission conversation inspection ready signal, check that when receive this conversation as this terminating set replying of ready signal receives the moment that checks commencing signal to the conversation of this central monitoring position device transmission, the function of conversing and checking.
4. elevator according to claim 3 urgency traffic check system, is characterized in that,
Above-mentioned terminating set has: user's detecting device, and it detects the existence of the user in above-mentioned car;
The halted state detecting device, it detects the halted state of above-mentioned car; With
Communication process section, it is when receiving above-mentioned conversation inspection ready signal, detecting in above-mentioned car and whether existing above-mentioned user's result for not existing by above-mentioned user's detecting device, and detect the moment of the halted state of above-mentioned car by above-mentioned halted state detecting device, send above-mentioned conversation to above-mentioned central monitoring position device and check commencing signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-107741 | 2012-05-09 | ||
| JP2012107741A JP5705782B2 (en) | 2012-05-09 | 2012-05-09 | Emergency call inspection system for elevators |
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| Publication Number | Publication Date |
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| CN103387163A true CN103387163A (en) | 2013-11-13 |
| CN103387163B CN103387163B (en) | 2016-12-28 |
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| CN201310221890.4A Active CN103387163B (en) | 2012-05-09 | 2013-05-08 | System of emergency call inspection for elevator |
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| JP (1) | JP5705782B2 (en) |
| CN (1) | CN103387163B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108203037A (en) * | 2016-12-19 | 2018-06-26 | 株式会社日立大厦*** | Inspection system, the call check device conversed and inspection method of conversing |
| CN108495803A (en) * | 2016-02-04 | 2018-09-04 | 三菱电机株式会社 | Voice communication device |
| TWI643804B (en) * | 2016-09-21 | 2018-12-11 | 三菱電機股份有限公司 | Elevator system |
| CN117320989A (en) * | 2021-05-20 | 2023-12-29 | 三菱电机楼宇解决方案株式会社 | Monitoring device for spot inspection of elevator interphone |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5996479B2 (en) * | 2013-04-09 | 2016-09-21 | 株式会社日立ビルシステム | Call inspection system for elevator emergency call equipment |
| KR101643560B1 (en) * | 2014-12-17 | 2016-08-10 | 현대자동차주식회사 | Sound recognition apparatus, vehicle having the same and method thereof |
| JP6637915B2 (en) * | 2017-03-08 | 2020-01-29 | 株式会社日立ビルシステム | Diagnosis system and method of elevator and its car abnormality detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108495803A (en) * | 2016-02-04 | 2018-09-04 | 三菱电机株式会社 | Voice communication device |
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| CN108203037A (en) * | 2016-12-19 | 2018-06-26 | 株式会社日立大厦*** | Inspection system, the call check device conversed and inspection method of conversing |
| CN108203037B (en) * | 2016-12-19 | 2020-10-02 | 株式会社日立大厦*** | Call inspection system, call inspection device, and call inspection method |
| CN117320989A (en) * | 2021-05-20 | 2023-12-29 | 三菱电机楼宇解决方案株式会社 | Monitoring device for spot inspection of elevator interphone |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013234041A (en) | 2013-11-21 |
| JP5705782B2 (en) | 2015-04-22 |
| CN103387163B (en) | 2016-12-28 |
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