CN111470385A - Elevator system - Google Patents
Elevator system Download PDFInfo
- Publication number
- CN111470385A CN111470385A CN202010290886.3A CN202010290886A CN111470385A CN 111470385 A CN111470385 A CN 111470385A CN 202010290886 A CN202010290886 A CN 202010290886A CN 111470385 A CN111470385 A CN 111470385A
- Authority
- CN
- China
- Prior art keywords
- elevator
- voice
- passenger
- floor
- calling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
- B66B1/16—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of a single car or cage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/468—Call registering systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
- B66B2201/4646—Wherein the call is registered without making physical contact with the elevator system using voice recognition
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The invention provides an elevator system, which enables personnel to use an elevator without touching keys and improves the safety of the personnel in the elevator taking process. The elevator system comprises a voice calling device, wherein the voice calling device is arranged on one side of an elevator of each floor corresponding to the elevator, the voice calling device is provided with a voice awakening setting, after the voice calling device starts an answering mechanism to answer, a passenger informs the elevator of the floor to which the elevator needs to go, the voice calling device converts captured audio information into a code command to be uploaded to an elevator running system, the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators of an elevator group of the whole building corresponding to the position of the passenger and the position of the floor where each elevator is located, waits for the passenger to enter, and then carries the passenger to the corresponding floor and opens a car door to facilitate the passenger to leave.
Description
Technical Field
The invention relates to the technical field of elevator control, in particular to an elevator system.
Background
The existing elevators are operated in a key or button mode, people need to inform the elevator of which floor the elevator needs to stop through an ascending key or a descending key when waiting for the elevator, then the people need to manually press the number of the floor layers to be visited after entering the car, then the elevator can be operated to the set floor and then the door is opened, and the people leave the car.
Disclosure of Invention
In order to solve the problems, the invention provides an elevator system, which enables personnel to use an elevator without touching keys, and improves the safety of the personnel in the elevator taking process.
An elevator system characterized by: the elevator system comprises a voice calling device, wherein the voice calling device is arranged on one side of an elevator of each floor corresponding to the elevator, the voice calling device is provided with a voice awakening setting, after the voice calling device starts an answering mechanism to answer, a passenger informs the elevator of the floor to which the elevator needs to go, the voice calling device converts captured audio information into a code command to be uploaded to an elevator running system, the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators of an elevator group of the whole building corresponding to the position of the passenger and the position of the floor where each elevator is located, waits for the passenger to enter, and then carries the passenger to the corresponding floor and opens a car door to facilitate the passenger to leave.
It is further characterized in that:
one side of each elevator in each area of each floor is provided with a voice calling device, each voice device is an independently numbered terminal instruction sending device, the elevators in each area are integrated into a group of elevators, and all the elevators in the group perform corresponding instruction assignment through an elevator operation system according to the principle of minimum energy consumption;
after a passenger selects a corresponding floor to send an instruction, when the floor needs to be changed or the instruction is cancelled, before the elevator arrives, after the voice awakening setting is carried out through a corresponding voice calling device and the sound source is confirmed, the instruction is cancelled by voice, then the elevator is informed to the floor needing to go by voice again, and the elevator cannot execute the previous instruction;
if the passenger performs misoperation or intentionally occupies the public resource, the elevator running system receives the instruction code and performs voice recognition and quick recognition at the same time, and when the instruction reaching at least more than two different floors is given in continuous time by comparing the same sound, the voice calling device broadcasts corresponding prompt sound to distinguish that the passenger is misoperation or intentionally occupies the public resource;
a voice alarm device is arranged in the car of each elevator, when a passenger encounters an emergency, voice alarm is carried out, and an elevator operation system quickly obtains the corresponding position of the passenger and carries out emergency operation processing;
the interior of the car of each elevator is simultaneously provided with a key control panel, and the key control panel can independently drive the elevator to run under normal conditions;
the top inner chamber of the car of each elevator is integrated with an FFU purification unit, the FFU purification unit is provided with an air inlet corresponding to the center of the top plate of the car, the air inlet is covered by a filter plate, the lower part of the FFU purification unit is provided with an air outlet corresponding to the position side of the door plate, a plurality of air outlet guide holes are distributed in the air outlet area, two side walls of the car are provided with concave mounting grooves, the concave mounting grooves are fixedly provided with low-ozone high-intensity ultraviolet germicidal lamps, the bottom of the car is provided with a weighing module, the top of the back plate is fixedly provided with an infrared sensor, the infrared sensor faces the center closed position of the two door plates, a processor module is arranged in the inner chamber of one side wall, and the processor module is respectively connected with the weighing module, the infrared sensor and the low-ozone high-intensity, when the feedback of the weighing module is 0, and the infrared sensor detects that the door plate is in a closed state for a long time and the lift car does not move, the processor module drives the low-ozone high-intensity ultraviolet germicidal lamp to be turned on; once car motion, door plant are opened, when weighing module is greater than 0, low ozone high strength sterilamp are closed, and when the car that corresponds the elevator was carrying out the disinfection, this elevator got into the off-stream state, and this elevator can not assign to the elevator operation system and carries the task.
After the technical scheme is adopted, except for normal button operation of the elevator, the elevator can be driven without a command of a button by a person, after a passenger calls by voice, the voice calling device starts a response mechanism to respond, the passenger informs the elevator of the floor to which the elevator needs to go, the voice calling device converts captured audio information into a code command to be uploaded to an elevator running system, the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators of elevator groups of the positions of the passengers corresponding to the whole building and the position of the floor where each elevator is located, waits for the passenger to enter, and then carries the passenger to open a car door after reaching the corresponding floor to facilitate the passenger to leave, so that the person does not need to contact the button in the elevator using process and only needs to carry out calling operation, and the safety of the passenger taking the elevator is.
Drawings
Fig. 1 is an arrangement of cars in an elevator system of the invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a car 1, an FFU purification unit 2, a filter plate 21, an air outlet 22, an air outlet guide hole 23, a low-ozone high-intensity ultraviolet germicidal lamp 3, a weighing module 4, a back plate 5, an infrared sensor 6, a side wall 7 and a processor module 8.
Detailed Description
An elevator system characterized by: the elevator system comprises a voice calling device, a voice calling device and an elevator running system, wherein the voice calling device is arranged on one side of an elevator of each floor corresponding to the elevator, the voice calling device is provided with a voice awakening setting, after the voice awakening setting is carried out, the voice calling device starts an answering mechanism to answer, a passenger informs the elevator of the floor to which the elevator needs to go, the voice calling device converts captured audio information into a code command to be uploaded to the elevator running system, and the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators of elevator groups of the positions of the passengers corresponding to the whole building and the position of the floor where each elevator is located, waits for the passenger to enter, carries the.
One side of each elevator in each area of each floor is provided with a voice calling device, each voice device is an independently numbered terminal instruction sending device, the elevators in each area are integrated into a group of elevators, and all the elevators in the group perform corresponding instruction assignment through an elevator operation system according to the principle of minimum energy consumption;
after a passenger selects a corresponding floor to send an instruction, when the floor needs to be changed or the instruction is cancelled, before the elevator arrives, after the voice awakening setting is carried out through a corresponding voice calling device and the sound source is confirmed, the instruction is cancelled by voice, then the elevator is informed to the floor needing to go by voice again, and the elevator cannot execute the previous instruction;
if the passenger performs misoperation or intentionally occupies the public resource, the elevator running system receives the instruction code and performs voice recognition and quick recognition at the same time, and when the instruction reaching at least more than two different floors is given in continuous time by comparing the same sound, the voice calling device broadcasts corresponding prompt sound to distinguish that the passenger is misoperation or intentionally occupies the public resource;
a voice alarm device is arranged in the car of each elevator, when a passenger encounters an emergency, voice alarm is carried out, and an elevator operation system quickly obtains the corresponding position of the passenger and carries out emergency operation processing;
the interior of the car of each elevator is simultaneously provided with a key control panel, and the key control panel can independently drive the elevator to run under normal conditions;
the interior of the car of each elevator is provided with a sterilization part, as shown in figure 1: an FFU purification unit 2 is integrated in an inner cavity of the top of a car 1, an air inlet is formed in the FFU purification unit 2 corresponding to the center of a top plate of the car 1, a filter plate 21 is covered on the air inlet, an air outlet 22 is formed in the lower portion of the FFU purification unit 2 corresponding to the position side of a door plate, a plurality of air outlet guide holes 23 are arranged in the air outlet 22, inwards-concave mounting grooves are formed in two side walls of the car 1, a low-ozone high-intensity ultraviolet germicidal lamp 3 is fixedly mounted on the inwards-concave mounting grooves, a weighing module 4 is arranged at the bottom of the car 1, an infrared sensor 6 is fixedly mounted on the top of a back plate 5, the infrared sensor 6 faces the center closed position of the two door plates, a processor module 8 is arranged in the inner cavity of one side wall 7, the processor module 8 is respectively connected with the weighing module 4, the, When the infrared sensor 6 detects that the door plate is in a closed state for a long time and the car 1 does not move, the processor module 8 drives the low-ozone high-intensity ultraviolet germicidal lamp 3 to be started for a fixed time; once car motion, door plant are opened, when weighing module is greater than 0, low ozone high strength sterilamp are closed, and when the car 1 that corresponds the elevator was sterilizing, this elevator got into the shut down state, and this elevator can not assign this elevator and carries the task.
In a specific embodiment, the keyword of the voice wake-up setting is a freely set arbitrary noun such as "elevator", "mao", etc., after the passenger calls the corresponding noun to the speaker of the voice calling device, the voice calling device is woken up to make a voice reply, the voice replies a regular reply such as "you are good" and "at", and then the voice announces "please inform the floor you are going to", the passenger replies "i want to go to the building", "building", and the voice announces "you want to go to the building, please confirm? After the passengers reply confirmation, the voice calling device converts the captured audio information into code commands and uploads the code commands to the elevator operation system, the elevator operation system automatically allocates the elevator with the minimum energy consumption to reach the floors of the passengers according to the number of elevators of the elevator group corresponding to the positions of the passengers in the whole building and the positions of the floors of the elevators, waits for the passengers to enter, and then carries the passengers to reach the corresponding floors and opens the car doors to facilitate the passengers to leave.
The working principle is as follows: except the normal key operation elevator, the elevator can be driven without the instruction of the key by personnel, after a passenger calls by voice, the voice calling device starts an answering mechanism to answer, the passenger informs the elevator of the floor where the elevator needs to go, the voice calling device converts the captured audio information into a code instruction to upload the code instruction to an elevator running system, the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators in an elevator group corresponding to the passenger position in the whole building and the floor position where each elevator is located, waits for the passenger to enter, and then opens a car door after the passenger gets to the corresponding floor to facilitate the passenger to leave, so that the personnel does not need to contact the key in the elevator using process and only needs to carry out calling operation, and the safety of the personnel taking the elevator is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An elevator system characterized by: the elevator system comprises a voice calling device, wherein the voice calling device is arranged on one side of an elevator of each floor corresponding to the elevator, the voice calling device is provided with a voice awakening setting, after the voice calling device starts an answering mechanism to answer, a passenger informs the elevator of the floor to which the elevator needs to go, the voice calling device converts captured audio information into a code command to be uploaded to an elevator running system, the elevator running system automatically allocates the elevator with the minimum energy consumption to the floor where the passenger is located according to the number of elevators of an elevator group of the whole building corresponding to the position of the passenger and the position of the floor where each elevator is located, waits for the passenger to enter, and then carries the passenger to the corresponding floor and opens a car door to facilitate the passenger to leave.
2. An elevator system as defined in claim 1, wherein: one side of each elevator in each area of each floor is provided with a voice calling device, each voice device is an independently numbered terminal instruction sending device, the elevators in each area are integrated into a group of elevators, and all the elevators in the group perform corresponding instruction assignment through an elevator operation system according to the principle of minimum energy consumption.
3. An elevator system as defined in claim 1, wherein: after the passenger selects the corresponding floor to send the instruction, when the floor needs to be changed or the instruction needs to be cancelled, before the elevator arrives, after the voice awakening setting of the corresponding voice calling device is carried out and the voice source is confirmed, the instruction is cancelled by voice, then the elevator is informed to the floor where the elevator needs to go by voice again, and the elevator cannot execute the previous instruction.
4. An elevator system as defined in claim 1, wherein: if the passenger operates by mistake or occupies the public resource intentionally, the elevator operation system receives the instruction code and simultaneously performs voice recognition and quick recognition, and when the instruction reaching at least more than two different floors is given in continuous time by comparing the same voice, the voice calling device broadcasts corresponding prompt voice and distinguishes that the passenger operates by mistake or occupies the public resource intentionally.
5. An elevator system as defined in claim 1, wherein: a voice alarm device is arranged in the car of each elevator, when a passenger encounters an emergency, voice alarm is carried out, and an elevator operation system quickly obtains the corresponding position of the passenger and carries out emergency operation processing.
6. An elevator system as defined in claim 1, wherein: the interior of the car of each elevator is simultaneously provided with a key control panel, and the key control panel can independently drive the elevator to run under normal conditions.
7. An elevator system as defined in claim 1, wherein: the top inner chamber of the car of each elevator is integrated with an FFU purification unit, the FFU purification unit is provided with an air inlet corresponding to the center of the top plate of the car, the air inlet is covered by a filter plate, the lower part of the FFU purification unit is provided with an air outlet corresponding to the position side of the door plate, a plurality of air outlet guide holes are distributed in the air outlet area, two side walls of the car are provided with concave mounting grooves, the concave mounting grooves are fixedly provided with low-ozone high-intensity ultraviolet germicidal lamps, the bottom of the car is provided with a weighing module, the top of the back plate is fixedly provided with an infrared sensor, the infrared sensor faces the center closed position of the two door plates, a processor module is arranged in the inner chamber of one side wall, and the processor module is respectively connected with the weighing module, the infrared sensor and the low-ozone high-intensity, when the feedback of the weighing module is 0, and the infrared sensor detects that the door plate is in a closed state for a long time and the lift car does not move, the processor module drives the low-ozone high-intensity ultraviolet germicidal lamp to be turned on; once car motion, door plant are opened, when weighing module is greater than 0, low ozone high strength sterilamp are closed, and when the car that corresponds the elevator was carrying out the disinfection, this elevator got into the off-stream state, and this elevator can not assign to the elevator operation system and carries the task.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010290886.3A CN111470385A (en) | 2020-04-14 | 2020-04-14 | Elevator system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010290886.3A CN111470385A (en) | 2020-04-14 | 2020-04-14 | Elevator system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111470385A true CN111470385A (en) | 2020-07-31 |
Family
ID=71752520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010290886.3A Pending CN111470385A (en) | 2020-04-14 | 2020-04-14 | Elevator system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111470385A (en) |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331175A (en) * | 1989-06-29 | 1991-02-08 | Toshiba Corp | Information input device for elevator |
JPH07206280A (en) * | 1994-01-18 | 1995-08-08 | Hitachi Ltd | Operating device for elevator |
JP2010202309A (en) * | 2009-03-02 | 2010-09-16 | Mitsubishi Electric Corp | Call registering device for elevator |
CN102712440A (en) * | 2009-11-06 | 2012-10-03 | 三菱电机株式会社 | Elevator call registration device |
CN202542604U (en) * | 2012-01-06 | 2012-11-21 | 优耐德电梯有限公司 | Speech recognition man-machine interaction device for elevator |
CN103221325A (en) * | 2010-12-14 | 2013-07-24 | 三菱电机株式会社 | Call registration device of elevator |
CN105173987A (en) * | 2015-09-11 | 2015-12-23 | 苏州市新瑞奇节电科技有限公司 | Medical service elevator |
CN105600626A (en) * | 2015-11-02 | 2016-05-25 | 林晓东 | Elevator destination floor registering device |
CN206176647U (en) * | 2016-10-08 | 2017-05-17 | 南京雄起电梯有限公司 | Elevator exhaust system |
CN206857920U (en) * | 2017-03-17 | 2018-01-09 | 应佳冰 | A kind of Multifunctional elevator car |
CN108116950A (en) * | 2017-12-26 | 2018-06-05 | 江苏威尔曼科技有限公司 | A kind of voice calling elevator system |
CN108792856A (en) * | 2018-08-01 | 2018-11-13 | 迅达(中国)电梯有限公司 | elevator call system |
CN109650199A (en) * | 2018-12-27 | 2019-04-19 | 日立电梯(中国)有限公司 | A kind of elevator voice operating method |
CN110155830A (en) * | 2019-06-17 | 2019-08-23 | 上海三菱电梯有限公司 | Elevator control system |
CN110386515A (en) * | 2019-06-18 | 2019-10-29 | 平安科技(深圳)有限公司 | The method and relevant device of control elevator dock floor based on artificial intelligence |
CN110950201A (en) * | 2020-02-26 | 2020-04-03 | 菱王电梯股份有限公司 | Call registration method based on voice comparison and call registration device thereof |
-
2020
- 2020-04-14 CN CN202010290886.3A patent/CN111470385A/en active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331175A (en) * | 1989-06-29 | 1991-02-08 | Toshiba Corp | Information input device for elevator |
JPH07206280A (en) * | 1994-01-18 | 1995-08-08 | Hitachi Ltd | Operating device for elevator |
JP2010202309A (en) * | 2009-03-02 | 2010-09-16 | Mitsubishi Electric Corp | Call registering device for elevator |
CN102712440A (en) * | 2009-11-06 | 2012-10-03 | 三菱电机株式会社 | Elevator call registration device |
CN103221325A (en) * | 2010-12-14 | 2013-07-24 | 三菱电机株式会社 | Call registration device of elevator |
CN202542604U (en) * | 2012-01-06 | 2012-11-21 | 优耐德电梯有限公司 | Speech recognition man-machine interaction device for elevator |
CN105173987A (en) * | 2015-09-11 | 2015-12-23 | 苏州市新瑞奇节电科技有限公司 | Medical service elevator |
CN105600626A (en) * | 2015-11-02 | 2016-05-25 | 林晓东 | Elevator destination floor registering device |
CN206176647U (en) * | 2016-10-08 | 2017-05-17 | 南京雄起电梯有限公司 | Elevator exhaust system |
CN206857920U (en) * | 2017-03-17 | 2018-01-09 | 应佳冰 | A kind of Multifunctional elevator car |
CN108116950A (en) * | 2017-12-26 | 2018-06-05 | 江苏威尔曼科技有限公司 | A kind of voice calling elevator system |
CN108792856A (en) * | 2018-08-01 | 2018-11-13 | 迅达(中国)电梯有限公司 | elevator call system |
CN109650199A (en) * | 2018-12-27 | 2019-04-19 | 日立电梯(中国)有限公司 | A kind of elevator voice operating method |
CN110155830A (en) * | 2019-06-17 | 2019-08-23 | 上海三菱电梯有限公司 | Elevator control system |
CN110386515A (en) * | 2019-06-18 | 2019-10-29 | 平安科技(深圳)有限公司 | The method and relevant device of control elevator dock floor based on artificial intelligence |
CN110950201A (en) * | 2020-02-26 | 2020-04-03 | 菱王电梯股份有限公司 | Call registration method based on voice comparison and call registration device thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5952626A (en) | Individual elevator call changing | |
RU201407U1 (en) | DISINFECTING ELEVATOR CABIN | |
AU2007254610A1 (en) | Method and system for modernisation of a lift installation | |
CN1224565C (en) | Elevator communication device | |
EP0971330A1 (en) | Verbal remote control device | |
US20220242695A1 (en) | Touch-sensitive elevator operation device for direction of travel calls | |
US7562748B2 (en) | Elevator call button with tactile feedback | |
CN103534190B (en) | Lift appliance | |
CN111470385A (en) | Elevator system | |
CN103648951B (en) | Lift appliance | |
US20220274803A1 (en) | Operating method for an elevator operating device with a touch-sensitive screen system | |
CN111498621A (en) | Contactless control elevator system | |
CN1579914A (en) | Elevator emergency refuge system | |
CN217126589U (en) | Intelligent epidemic prevention lift car | |
CN207536948U (en) | Elevator hall call | |
CN212151260U (en) | Sound control elevator car with air purification ability | |
GB2598963A (en) | Work space | |
RU203410U1 (en) | ELEVATOR CABIN WITH RECIRCULATOR | |
CN216336032U (en) | Intelligent repair elevator based on Internet of things | |
CN114104921B (en) | Elevator control auxiliary system and elevator control method | |
CN216190132U (en) | Touch-free calling type elevator | |
KR102336309B1 (en) | Sanitary operational panel for choosing floor used for elevating equipment | |
CN213976578U (en) | Novel compact machine-room-free safety elevator | |
US20240025698A1 (en) | Elevator system having elevator operating devices for passengers with limited mobility | |
JP2004018182A (en) | Informing device for elevator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200731 |
|
RJ01 | Rejection of invention patent application after publication |