baber/WOPTO huggingface dataset:
Patent WO-2019062400-A1 (WO)
Title: Shell fabrication method, shell and electronic equipment
Inventor: YANG GUANGMING
IPC: H05K5/04
Filed: 2018-08-23
Abstract: A shell fabrication method, a shell and electronic equipment, the shell fabrication method comprising: providing a metal shell, the metal shell being provided with a surface; sandblasting the surface; oxidizing the sandblasted surface; determining a first area on the surface; performing first paint spraying treatment on the surface so as to form a pearlescent pigment layer on the surface; and removing a part located in the first area from the pearlescent pigment layer.
Patent WO-2020042073-A1 (WO)
Inventor: ZHOU WANREN
IPC: A01M7/00
Filed: 2018-08-30
Abstract: A tank cover, a liquid storage tank, and an unmanned aerial vehicle. A tank cover (30) comprises: a hoop (1) fixedly connected to a liquid storage tank; a cover body (2) fitting the hoop, the cover body and the hoop forming an accommodating space (3), the cover body being provided with an opening (21), and the opening being communicated with the accommodating space; and a sealing structure (4) accommodated in the accommodating space and rotationally connected to the cover body, the sealing structure comprising a sealed state and an open state, wherein when the sealing structure is in the sealed state, the sealing structure fits the opening under the effect of a locking force of the sealing structure to seal the opening, and when a pressure is applied to the sealing structure, the sealing structure can rotate with respect to the cover body in the accommodating space to be in the open state to open the opening. A sealing structure that can rotate with respect to the cover body is provided on the cover body, and under the effect of an external pressure, the sealing structure can overcome its locking force and rotate with respect to the cover body to be in the open state to open the opening, without manually opening the tank cover.
Patent WO-2019047933-A1 (WO)
Title: Dual-screen terminal and dual-screen terminal photography method
Inventor: MA YANQING
IPC: G06F3/044
Filed: 2018-09-07
Abstract: Provided are a dual-screen terminal photography method and a dual-screen terminal, wherein the dual-screen terminal photography method comprises: when a photography function of the terminal is triggered, acquiring a capacitance value between a conductive plate of the terminal and a shielding object in contact with one display screen of the terminal, wherein the shielding object is a conductor; and where the capacitance value satisfies a preset condition, displaying a photography interface on a first display screen of the terminal.
Patent WO-2019095836-A1 (WO)
Title: 基于集群的词向量处理方法、装置以及设备
Inventor: CAO SHAOSHENG
IPC: G06F17/27
Filed: 2018-09-17
Abstract: 一种基于集群的词向量处理方法、装置以及设备，所述集群包括服务器集群和工作机集群；工作机集群包含的各工作机分别获取从部分语料中提取的词及其上下文词（S202）；所述工作机获取所述词及其上下文词的词向量（S204）；所述工作机根据所述词及其上下文词，以及对应的词向量，计算梯度（S206）；所述工作机将所述梯度异步更新至服务器集群包含的服务器（S208）；所述服务器根据所述梯度，对所述词及其上下文词的词向量进行更新（S210）。
Patent WO-2019237549-A1 (WO)
Title: Verification code recognition method and apparatus, computer device, and storage medium
Inventor: CAI JUN
IPC: G06F21/36
Filed: 2018-09-19
Abstract: A verification code recognition method and apparatus, a computer device, and a storage medium. The method comprises: acquiring a verification code picture to be recognized from a target website, recognizing the verification code picture on the basis of Tesseract to obtain a recognition result; next, determining whether the recognition result is an expression; if yes, entering the calculation result into an input box; if not, entering the recognition result in the input box; recognizing the verification code picture on the basis of Tesseract to obtain verification code content information; if the verification code content information is an expression, automatically calculating the calculation result; entering the calculation result or the verification code content information that is not an expression into the input box corresponding to the verification code picture, so that when target resource information is acquired from the target website, it does not need to manually input the verification code content information of the target website, thereby improving the efficiency of acquiring resource information.
Patent WO-2019062889-A1 (WO)
Title: Sensor unit, fingerprint sensing chip and electronic device
Inventor: WANG YUNNHWA
IPC: G06F3/041
Filed: 2018-09-29
Abstract: A sensor unit (110'), a fingerprint sensing chip (10) and an electronic device. The sensor unit (110') comprises: a fingerprint sensing electrode (60), a fingerprint sensing circuit (61) and a memory addressing circuit (62), wherein the fingerprint sensing circuit (61) comprises reference voltage input ends (VR1, VR2), a differential amplifier circuit (20) and a first switch (13), and the memory addressing circuit (62) comprises a shift register gating circuit (40) and a plurality of parallel bit line units (30). The shift register gating circuit (40) performs shift processing according to an addressing signal (XY), a mode switching signal (M) and a second pre-set clock signal (CK2), so as to generate a plurality of word line signals (WL(1), WL(2), …, WL(N)), and outputs the word line signals (WL(1), WL(2), …, WL(N)) to the bit line units (30). According to the mode switching signal (M), the addressing circuit and the differential amplifier circuit (20) in the fingerprint sensing circuit (61) are multiplexed and are then combined with a newly added memory addressing circuit (62), and an SRAM circuit (300) needing to be arranged independently in the prior art is arranged in a sensor array (100), such that the size of the fingerprint sensing chip (10) is reduced.
Patent WO-2019205497-A1 (WO)
Inventor: LIN JIAJING
IPC: B64C27/48
Filed: 2018-09-30
Abstract: 一种螺旋桨、动力组件及飞行器。其中，在距离桨毂(10)的中心为螺旋桨(100)的半径的41.7％处，桨叶(20)的攻角为17.57°±2.5°；在距离桨毂(10)的中心为螺旋桨(100)的半径的50％处，桨叶(20)的攻角为16.65°±2.5°；在距离桨毂(10)的中心为螺旋桨(100)的半径的58.3％处，桨叶(20)的攻角为15.62°±2.5°；在距离桨毂(10)的中心为螺旋桨(100)的半径的66.7％处，桨叶(20)的攻角为14.48°±2.5°；在距离桨毂(10)的中心为螺旋桨(100)的半径的75％处，桨叶(20)的攻角为13.21°±2.5°。采用桨叶翼型渐变的螺旋桨能使得螺旋桨在沿着桨叶的展向的每一段都处于最佳工作段，在减少空气阻力、提高拉力和效率、增加飞行器的继航距离以提高飞行性能的同时，还减少了桨叶在工作时产生的噪声，使得飞行器在悬停时更安静。
Patent WO-2020062255-A1 (WO)
Title: 拍摄控制方法和无人机
Inventor: YANG CHAOFENG
IPC: H04N5/232
Filed: 2018-09-30
Abstract: 一种拍摄控制方法和无人机，通过获取无人机与当前拍摄间距的目的点之间的距离，根据距离检测无人机是否满足预估拍摄时刻条件，若无人机满足预估拍摄时刻条件，则根据距离预计无人机到达目的点的时刻，控制无人机搭载的成像装置在所述时刻拍摄。如此，无人机在每一个拍摄间距中，对无人机到达当前拍摄间距目的点的时刻进行预计，并在该时刻进行拍摄，实现了对拍摄时刻的准确控制，减少了实际拍摄点与目的点之间的误差，提高了拍摄的准确性。
Patent WO-2019086026-A1 (WO)
Inventor: XU JINBIAO
IPC: A47J27/00
Filed: 2018-11-05
Abstract: 一种烹饪设备的冲洗系统，包括密封设置的烹饪腔体(100)以及设于烹饪腔体(100)内部的烹饪设备，还包括设于烹饪腔体(100)内部以对烹饪设备进行冲洗的喷淋件(21)，烹饪腔体(100)的底部设有用于连接排水口的开口以将喷淋件（21）对烹饪设备进行冲洗后的水排出。通过采用喷淋件（21）对烹饪腔体（100）内部的烹饪设备进行冲洗，冲洗更全面、效率更高且冲洗效果更好，可以有效保持烹饪腔体（100）内部的工作空间的清洁卫生。还提供了一种实现全封闭烹饪的炒菜机，能够有效解决现有的炒菜机存在的内部烹饪设备清洗效果和效果不佳的问题。
Patent WO-2019242205-A1 (WO)
Title: 一种隐藏式蓬头的儿童座椅
Inventor: LAI WEITING
IPC: A47D15/00
Filed: 2018-11-05
Abstract: 一种隐藏式蓬头（3）的儿童座椅，包括提篮（1）、提把（2）及蓬头（3），提把（2）的两端转动安装于提篮（1）上，提篮（1）的后端设有一收纳空腔（4），蓬头（3）的一端与收纳空腔（4）的内部相连，另一端能挂接于提把（2）上或收纳于收纳空腔（4）内；蓬头（3）包括布套（5）及弧形支撑杆（6），布套（5）的内端与收纳空腔（4）的内部相连，布套（5）的外端与弧形支撑杆（6）的内壁相连；弧形支撑杆（6）的弧形开口朝前设置，弧形支撑杆（6）的两端后侧分别设有一凸起（7），弧形支撑杆（6）能够卡设于收纳空腔（4）内，使弧形支撑杆（6）的外缘面与收纳空腔（4）的开口齐平设置，从而提高儿童座椅使用的便利性及使用体验。
Patent WO-2019096077-A1 (WO)
Title: 一种网络切换方法及会话管理网元
Inventor: CHONG WEIWEI
IPC: H04W36/00
Filed: 2018-11-09
Abstract: 本申请实施例公开了一种网络切换方法及会话管理网元，涉及通信领域，在终端设备回落E-UTRAN进行语音业务后，将终端设备返回NG RAN。包括：第一网络的接入网设备接收第一网络的核心网设备发送的第一消息，向第一网络的核心网设备发送第二消息，向第一网络的核心网设备或第二网络的接入网设备发送第三消息。第一消息用于请求为终端设备建立语音业务的用户面隧道；第二消息用于响应第一消息；第三消息用于触发将终端设备从第一网络切换至第二网络。第二消息和第三消息中的至少一个携带第一指示信息和/或第二指示信息，第一指示信息用于指示终端设备从第一网络切换至第二网络是用于建立语音业务，第二指示信息指示语音业务结束后终端设备需要返回第一网络。
Patent WO-2020082475-A1 (WO)
Inventor: LIU LIANG
IPC: G01B7/06
Filed: 2018-11-20
Abstract: A measurement method for measuring the thickness of a soil layer based on magnetic susceptibility, related to the technical field of soil erosion monitoring. The method comprises: measuring the original magnetic susceptibility Kb of a surface soil layer of sampling point soil (S1); measuring the maximum magnetic susceptibility Km with a magnetic element placed on the surface soil layer (S2); burying the magnetic element at a preset depth below the sampling point soil to form a magnetic layer (S3); measuring a first magnetic susceptibility K1 of the surface soil layer directly above the magnetic layer (S4); after a preset time interval, measuring a second magnetic susceptibility K2 of the surface soil layer directly above the magnetic layer (S5); and calculating a thickness variation value of the soil layer on the basis of a conversion equation between the magnetic susceptibility of the soil layer and the thickness of the soil layer (S6). The measurement method for measuring the thickness of a soil layer based on magnetic susceptibility has extremely small or no disturbance to a sampling point soil layer, produces a measurement result quickly and accurately, obviates the need for any special manual maintenance, provides a great representation of the sampling point soil layer, and has high practicability in scientific research and field monitoring for soil resource protection and soil erosion monitoring.
Patent WO-2019120080-A1 (WO)
Title: Electrodes for batteries
Inventor: ZHENG ZIJIAN
IPC: H01M4/1397
Filed: 2018-12-05
Abstract: Provided herein are a lithium electrode and a sulfur electrode for batteries. The lithium electrode comprises lithium metal and a metal-coated fabric. The fibers of the metal-coated fabric are covered by a metal layer, on which the lithium metal is attached. The sulfur electrode comprises a sulfur composite and a nickel-coated fabric. The fibers of the nickel-coated fabric are covered by a nickel layer, on which the sulfur composite is attached. The lithium electrode can inhibit dendrite formation and the sulfur electrode can speed up the redox kinetics of soluble polysulfides.
Patent WO-2019129129-A1 (WO)
Inventor: LIU QIAN
IPC: A01G3/04
Filed: 2018-12-27
Abstract: Disclosed is a rideable electric mower, comprising: a seat (12) for a user to sit; a main rack (11) for carrying the seat (12); a power output assembly (13), comprising a mowing element (131) for outputing power to effect a mowing function and a first motor (132) for driving the mowing element (131) to output the power; a walking assembly (14) capable of driving at least the rideable electric mower to walk on the ground in a first linear direction, and a second motor (143) for driving the walking assembly (14); and a power supply device (16), comprising first battery packs (161) for supplying an energy source to the rideable electric mower, the first battery pack (161) comprising: a first battery pack housing (161b); and a cell unit (161a) arranged inside the first battery pack housing (161b), wherein the power supply device (16) is mounted to the main rack (11), and at least one of the first battery packs (161) in the power supply device (16) forms an insertable connection with the main rack (11); and the cell unit (161a) is a lithium cell. The rideable electric mower has a good applicability and low costs of use.
Patent WO-2020073527-A1 (WO)
Title: 一种高分子热活化延迟荧光材料及其制备方法
Inventor: LUO JIAJIA
IPC: C09K11/06
Filed: 2018-12-28
Abstract: 本发明提供了一种高分子热活化延迟荧光(Thermally Activated Delayed Fluorescence,TADF)材料，其是以主链聚合TADF分子结构，侧链连接烷基链，这种结构的TADF高分子材料具有优良的TADF特性以及溶解性。进一步的，本发明涉及的所述材料可使用溶液加工的方式来制备电致发光器件，并能取得良好的器件效果。
Patent WO-2020133565-A1 (WO)
Inventor: LONG TAO
IPC: G08C17/02
Filed: 2019-01-04
Abstract: A method and an apparatus for seeking a remote control device, and a storage medium, a terminal device, and a remote control device, the method comprising: entering a first state amongst a sending state or a receiving state (S11); establishing a connection relationship with a remote control device, the remote control device being in a second state amongst the sending state or the receiving state, and the second state being different to the first state (S12); and, in response to a received first external command, sending a seeking command to the remote control device, in order to instruct the remote control device to emit warning information (S13). The remote control device can thus be found without relying entirely on the controlled device.
Patent WO-2019233110-A1 (WO)
Inventor: XIAO LIJUN
IPC: G09G3/36
Filed: 2019-01-14
Abstract: 一种移位寄存器单元(G1, G2, G3，G4)及其驱动方法、栅极驱动电路（100）和显示装置（1000），移位寄存器单元(G1, G2, G3，G4)，包括：输入电路(10)，与上拉节点(PU)相连，用于根据输入信号对上拉节点(PU)进行充电；输出电路(20)，分别与上拉节点(PU)和输出端(OT)相连，用于在上拉节点(PU)的电压控制下将输出信号(OUT1, OUT2, OUT3, OUT4)输出至输出端(OT)；复位电路(30)，与上拉节点(PU)相连，用于对上拉节点(PU)进行复位；复位信号控制电路(40)，分别与第一复位端(RE1)和复位电路(30)相连，用于根据复位控制输入信号和第一复位端(RE1)提供的复位信号生成并输出复位控制信号(re)，复位控制信号(re)用于控制复位电路(30)进行复位工作。
Patent WO-2019144871-A1 (WO)
Title: Drive apparatus for crane, and crane
Inventor: XIE TAO
IPC: B60K25/06
Filed: 2019-01-23
Abstract: A drive apparatus for a crane, and a crane. The drive apparatus comprises an engine (1) with a cylinder deactivation function, a first transmission mechanism, a transfer case (5), a second transmission mechanism, and a third transmission mechanism. One end of the first transmission mechanism is connected to the engine (1), and the other end is connected to an input shaft of the transfer case (5); one end of the second transmission mechanism is connected to an output shaft of the transfer case (5), and the other end is adapted to be connected to a loading execution mechanism of the crane; one end of the third transmission mechanism is connected to the other output shaft of the transfer case (5), and the other end is connected to an unloading execution mechanism of the crane. Because the need for power in the loading operation is small, some of cylinders of the engine may be stopped by the cylinder deactivation function of the engine, the work and the output power of the engine are reduced, and fuel consumption is decreased. Moreover, by using a single-engine transmission system, arrangement of a loading space is optimized and the weight is reduced.
Patent WO-2020172781-A1 (WO)
Inventor: SUN CONG
IPC: G16H40/60
Filed: 2019-02-26
Abstract: Disclosed is a camera-based transcranial magnetic stimulation diagnosis and treatment navigation system, comprising a patient table, a head pillow, a 3D camera, a 3D scanner, a mechanical arm, TMS coils, and a smart terminal. A navigation method for the navigation system comprises: building, by using the 3D scanner and the smart terminal, a model of a head of a patient; matching a position of the model of the head against an actual position of the head of the patient, and determining a spatial position of a magnetic stimulation point to be magnetically stimulated on the model of of the head of the patient; building models of the mechanical arm, the TMS coils, and the 3D camera; and placing the model of the head of the patient and the models of operable apparatuses in the same spatial coordinate system, calculating an optimal path for the model of the TMS coils to reach the magnetic stimulation point on the model of the head, automatically navigating a movement of the mechanical arm according to the optimal path, and moving the TMS coils to the head of the patient to perform a treatment. The present invention achieves automatic navigation of a movement of a mechanical arm, thereby eliminating influences of human factors on a treatment effect, and also improving patient experience.
Patent WO-2020186459-A1 (WO)
Inventor: SHEN BIN
IPC: H04L12/24
Filed: 2019-03-19
Abstract: Provided is a scheme for intelligent reminding concerning network speed limitation. The scheme comprises a method, apparatus and system for intelligent reminding concerning network speed limitation. The intelligent reminding method comprises: a terminal that accesses a network receiving an NAS message from the network; determining, according to maximum bit rate information carried in the NAS message, that the speed of the network is limited; and displaying a reminding message on a user interface of the terminal, so as to remind a user that the speed of the network has been limited by an operator. The scheme can be used for reminding the user in a timely manner when the speed of the network for the user is limited by the operator, such that when necessary, the user carries out operations such as buying a data package or switching a SIM card, thereby improving the data service experience of the user.
Patent WO-2019196734-A1 (WO)
Title: Lint filter and clothes treatment apparatus
Inventor: PAN JIHUI
IPC: D06F58/22
Filed: 2019-04-04
Abstract: A lint filter and a clothes treatment apparatus. The lint filter comprises a first filtering component (1) and a second filtering component (2) that are detachably connected by means of a connecting apparatus (3). The second filtering component (2) comprises multiple filtering layers for achieving multiple filtration of lint. According to the lint filter, a multiple filtration mode is used, and the lint in the clothes treatment apparatus is filtered by using filtering layers having different filtration efficiency, so that the efficiency and reliability of lint filtration are improved, and a filtration function and the isolation of internal and external environment when air flows between internal and external environment of a clothes dryer are effectively achieved; moreover, it is convenient for a user to maintain different filtering layers, separately; the difficulty and cost of maintenance are reduced while improving the pertinence and effectiveness of cleaning; a mounting structure of the lint filter is optimized for facilitating disassembling and assembling by the user, thereby facilitating cleaning the lint filter timely and effectively.
Patent WO-2020077966-A1 (WO)
Inventor: LU QIANXI
IPC: H04W72/02
Filed: 2019-04-16
Abstract: 本发明公开了一种参数配置方法，包括：第二终端设备向第一终端设备发送第一参数组合，或者第一终端设备向第二终端设备发送第二参数组合；所述第一参数组合和所述第二参数组合均用于指示所述第二终端设备的侧行链路数据发送参数和/或所述第二终端设备的侧行链路数据接收参数。本发明还公开了一种终端设备及存储介质。
Patent WO-2019206185-A1 (WO)
Inventor: LI RUI
IPC: C09K19/46
Filed: 2019-04-24
Abstract: 提供了一种液晶组合物以及显示装置。该液晶组合物包括如通式(I)～(II)所示结构的化合物： (I); (II)其中， L 1、L 2、L 3以及L 4分别独立地为 (III)；Z 1为单键或-C≡C-；R 1、R 2以及R 3分别独立地为烷基、烯基、炔基、卤代烷基或OR 4；和R 4为烷基、烯基、炔基或卤代烷基。
Patent WO-2020215272-A1 (WO)
Inventor: TOOR GURBAKSHISH SINGH
IPC: H04W12/04
Filed: 2019-04-25
Abstract: The present application discloses a communication method, a communication apparatus, and a communication system. A first mobility management function entity receives first information from a second mobility management function entity, the first information being used to request for registering a first terminal with a first network where the first mobility management function entity is located. The first mobility management function entity acquires a first security context of the first terminal, the first security context being a security context between the first terminal and the second mobility management function entity. The first mobility management function entity communicates with the first terminal according to the first security context. The communication method, the communication apparatus and the communication system of the present application enable a terminal to reduce authentication processes when being connected, by means of a network, to another network, thereby avoiding waste of resources.
Patent WO-2019228117-A1 (WO)
Inventor: CAI YUJIA
IPC: A61K48/00
Filed: 2019-04-29
Abstract: L'invention concerne un vecteur lentiviral et un procédé d'administration d'ARN exogène par le vecteur lentiviral. Plus précisément, en utilisant la liaison entre une protéine de liaison à l'ARN et une séquence d'ARN reconnue par la protéine de liaison à l'ARN, la protéine de liaison à l'ARN est intégrée dans un squelette d'une protéine à chaîne longue GagPol lentivirale, liant ainsi la séquence d'ARN reconnue par la protéine de liaison à l'ARN à un ARN cible exogène, de sorte que l'ARN cible exogène est encapsulé dans des particules de virus lentiviraux pendant l'assemblage des particules de virus lentiviraux. L'ARN cible exogène peut être un ARNm, un ARNg ou un ARN ayant d'autres fonctions. L'invention peut être utilisée dans les domaines de l'édition génique, de la thérapie génique, de la thérapie cellulaire, de l'immunothérapie, de la médecine régénérative et de la biologie fondamentale.
Patent WO-2020211178-A1 (WO)
Title: Silicon-rich soil improvement agent, preparation method therefor and use thereof
Inventor: MATYCHENKOV VLADIMIR V
IPC: C05G3/80
Filed: 2019-06-06
Abstract: Disclosed are a silicon-rich soil improvement agent, a preparation method therefor and use thereof, which relate to agriculture and improving the efficiency of natural and synthetic calcium-rich substances by using silicon-rich materials in liquid or solid form. The method comprises preparation before mixing, the addition of water, cultivation and drying. The method can be used for preparing high-efficiency agricultural soil.
Patent WO-2019242522-A1 (WO)
Title: 一种生产系列相变蜡产品的方法
Inventor: MIAO HENG
IPC: C10G73/42
Filed: 2019-06-10
Abstract: 一种生产系列相变蜡产品的方法，包括：将费托合成蜡原料经加氢反应精制得到费托精制蜡；将所述费托精制蜡进行减压蒸馏，通过不断提高操作温度分离出馏程为5-30℃的连续馏分，获得系列相变蜡产品，其中所述减压蒸馏的压力为0-1000pa，塔顶操作温度为120-260℃，所述系列相变蜡产品的相变焓值≥170J/g。所述方法可从费托精制蜡分离产出熔点从5-80℃的各牌号相变蜡产品，产品碳数集中，焓值较高，该工艺产品灵活性较高，可实现按需定制，生产成本低，可实现工业化生产。
Patent WO-2020057187-A1 (WO)
Title: Protocole d'agrégation de canaux de réseau optique passif (pon)
Inventor: GAO BO
IPC: H04Q11/04
Filed: 2019-06-14
Abstract: L'invention concerne un terminal de ligne optique (OLT) comprenant un émetteur-récepteur aval couplé à un réseau optique passif (PON). L'émetteur-récepteur aval est configuré pour communiquer sur une pluralité de canaux agrégés. L'OLT comprend également un émetteur-récepteur amont configuré pour recevoir une unité de données de service (SDU) aval contenant des données utilisateur. Un processeur est couplé à l'émetteur-récepteur amont. Le processeur est configuré pour diviser la SDU aval en une pluralité de blocs aval. Le processeur répartit les blocs aval entre les canaux agrégés, sur la base d'une disponibilité de canaux agrégés, pour une transmission sur le PON via l'émetteur-récepteur aval.
Patent WO-2020001540-A1 (WO)
Inventor: YUAN SHUAI
IPC: B01J35/10
Filed: 2019-06-27
Abstract: A modified Y type molecular sieve, and a preparation method therefor and an application thereof. The calcium content of the modified Y type molecular sieve is about 0.3-4 wt% in terms of calcium oxide; the rare earth content is about 2.7 wt% in terms of rare earth oxide; the sodium content is not more than about 0.5 wt% in terms of sodium oxide; the total pore volume is about 0.33-0.39 mL/g, wherein the pore volume of secondary pores having a pore diameter of 2-100 nm occupies about 10-25% of the total pore volume; the lattice constant is about 2.440-2.455 nm; the content of non-framework aluminum occupies no higher than about 20% of the total aluminum content; the lattice collapse temperature is not less than about 1050°C; moreover, the ratio of B acid content to L acid content is no less than about 2.30 in the total acid content measured using a pyridine adsorption infrared method at the temperature of 200°C. The modified Y type molecular sieve and a catalytic cracking catalyst having same have higher heavy oil conversion activity and lower coke selectivity during heavy oil fluid catalytic cracking and can obtain a higher gasoline yield and an isomeric C4 yield, and the obtained gasoline has a higher isohydrocarbon content.