Scale your security operations with LDC locks. Secure entry screening accurate frictionless AI recognition software access system control systems. video camters, IFRD card, Magnetic door locks kits etc Secure Your Life with Us Now! Stay safe with Prolock – your go-to source for reliable security solutions! LDC is an online store specialized in IP cameras, IP video intercom, access control, network, alarm systems and smart home for do-it-yourself installation and configuration by both private individuals and companies. Maglocks RFID products video intercom Door Closer PRODUCT APPLICATION With a branch office in Qatar, and sole agent in Singapore, Malaysia, The Democratic Republic of the Congo, South Korea, and Egypt. LDC's products circulate around the world. Six application areas of Door access control systems What's kind of sensor we are using for the Automatic Door opener? Network access control systems for Hotel management 1: Office Building The installation of access control in the company gate can effectively prevent outside salesmen from entering the company and disrupt, and it can also effectively prevent outsiders from entering the company, ensuring the safety of the company and employees' property. It Can effectively track whether employees leave their posts without authorization. The attendance can be checked through the supporting attendance management software, without the need to buy a clock, the attendance results are more objective and fair, and the statistics are fast and accurate, which can greatly reduce the work intensity and workload of the personnel department. It can effectively solve the problem that some employees have to replace the door key for fear after leaving. You can conveniently and flexibly arrange anyone's authority and opening time for each door. You only need to take a card, without taking a large number of heavy keys, and the security is more reassuring than the keys. Active Infrared Functional Principles: An Active Infrared Detector always consists of one transmitter and at least two receiver chips with high-quality optical systems. The scanning range is set by means of a mechanical micro-speed unit by changing the angle between the transmitter and receiver. This optical procedure is called triangulation or optical differential measurement. The hotel management network access control system is developed and designed by LDC in conjunction with the hotel industry. Its working mechanism is a Mifare card reader installed at the door of each room. When a guest checks in, the Receptionist will send the room number, check-in time, and check-out time through the card issuer (PCD-122 or MCI-109). Enter it into the software of the management, and authorized the cards according to the time and date then upload it to the control host. After the guest arrives at the door of the room, swipe the card on the card reader, it will read the ID number of the card and uploads it to the controller for permission confirmation, and then controls the electric lock to open the door, otherwise, the door cannot be opened. At the same time, the controller saves the door opening information. If the main console is in a "real-time" state, it will be transmitted to the computer control center at the main station via TCP communication, and the door opening information will be displayed on the computer in time. Such as a certain guest, certain time, opening a certain room, etc. Electromagnetic locks application filed Application of RFID technology in the field of fire protection Access Control systems with Pedestrian turnstile gate application Electromagnetic locks are highly reliable, long-lasting units compared to other electric locking devices because there are no moving parts involved in their operation. They are also the staunchest of fail-safe units because there is no mechanism that can cause sticking and binding. The versatility of electromagnetic locks allows them to be used almost anywhere electric strikes and electric bolt locks are used, but with these feature advantages With the rapid development of urbanization in cities, large-scale construction of buildings, a large number of people entering and exiting activities every day, electric vehicles in the community, and the safety of residents' electricity use, fire safety is a very important concern. In a complex social environment, how to improve, innovate, and scientifically manage management models must make full use of various advanced scientific and technological means to enhance the service concept and quality of fire protection work. With the continuous advancement of science and technology, the gradual development of technical and hardware conditions, the rapid expansion of industrial scale, and the vigorous supervision of relevant departments, smart firefighting has emerged. The use of access control systems in life has gradually become widespread, and different types of access equipment are required in a different entrance and exit scenarios. For example, three roller gates and turnstiles in stadiums, pedestrian passages in campuses, enterprises, and high-end intelligent buildings. While they effectively help the staff to reduce work pressure, they also ensure the safety of traffic. 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Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Access Control systems with Pedestrian turnstile gate application January 30, 2021 The use of access control systems in life has gradually become widespread, and different types of access equipment are required in a different entrance and exit scenarios. For example, three roller gates and turnstiles in stadiums, pedestrian passages in campuses, enterprises, and high-end intelligent buildings. While they effectively help the staff to reduce work pressure, they also ensure the safety of traffic. 　　 Access control gate system has the following five advantages: 　　 1. Simple and easy to use. Existing access control management personnel only need to go through simple training to be able to operate. The maintenance personnel of the access gate can find the fault in a few simple operations, which can be quickly and conveniently eliminated. 　　2. Advanced technology. Using the most popular wireless network management system at present, the channel gate ensures that your management system will not lag behind in ten years. 　　 3. Low overall cost. From the perspective of installation, debugging and wiring, the use of TCP/IP transmission can reduce a lot of investment. In addition, the construction period is short, which saves wire and labor costs, and is very easy to maintain. Therefore, the use of access control gate system, More advantages in cost. 　　 4. There are many uses. The channel gate management system uses a non-contact smart IC card, also known as a radio frequency card, which successfully solves the problems of multi-use, confidentiality, wear-free, and easy operation of the IC card greatly improves the practicability of the system and can perform a single card After multiple authorizations, the channel gate can be used for other application management. Such as attendance, consumption, parking management, patrol, personnel. 　　 5. Convenient expansion. The computer and the intelligent management system adopt wireless communication, and the channel gate can expand the number of channels at will. That is, when the corresponding control system is installed, if the number of intelligent access gates and elevator control equipment needs to be increased, the hardware only needs to increase the corresponding access gates, and the software can set the new equipment. Three influencing factors of the access control system: 　　As an intelligent access control system, its much more complicated than traditional access control unit. Naturally, there are more factors affecting its functions. There are three main aspects in a simple understanding: 　　1, design style High-end pedestrian passages need to integrate product safety, modern, and concise design concepts with the building environment and architectural style; the line is mainly streamlined, reflecting the concise and comfortable style, and the material is more glass and stainless steel. The stylish and transparent design of the company is consistent with the construction style of intelligent buildings; and the high-end pedestrian walkway products have obvious differences in metal surface processing, including surface drawing texture processing, the accuracy of bending angles, and different components The gap accuracy and other aspects. 　　2, the advanced nature of the movement 　　 The advanced nature of the channel gate movement directly affects the long service life and operating conditions of the gate. Such as adopting the latest ARM control technology and adopting industrial-grade control processing methods to complete a brand new product. It has the characteristics of no noise during operation, stable operation, no mechanical wear, and long service life. The whole product starts during operation It is very stable when it is stopped and the brake can be quickly locked. 　　3, intelligence 　　 For example, the wing gate has an automatic reset function. After the gate is opened, the system will automatically cancel the user's permission to pass this time after the gate is opened. The standard is 5 seconds after being opened. The intelligence of the wing gate is also reflected in the passage of the wing gate is automatically opened after power-off, and automatically closed after power-on. The wing gate also has a line self-check function, which can be found in time after a fault occurs, which greatly protects the service life of the wing gate. Author: Written by Mr. Shen from LDC NEW MATERIAL TECHNOLOGY CO., LIMITED

Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Electromagnetic locks application filed August 31, 2020 Electromagnetic locks are highly reliable, long-lasting units compared to other electric locking devices because there are no moving parts involved in their operation. They are also the staunchest of fail-safe units because there is no mechanism that can cause sticking and binding. The versatility of electromagnetic locks allows them to be used almost anywhere electric strikes and electric bolt locks are used, but with these feature advantages: Most secure device The most fail-safe locks easily adapt to meet Fire Safety requirements Most Durability – no moving parts, minimally effected by overvoltage Most Minimal maintenance MosttWell adapted to poorly fitted or poorly hung doors Inner office door by a receptionist behind a window or desk. To release the door, he or she merely has to press a button under the desk, We need to configure the EB-19B button together. Applications as below: • Employees enter a workplace through a common door equipped with a card reader. • Dormitory room and bathroom applications where there can be privacy but someone has the authority to open in an emergency. • A laboratory room where at night the deadbolt can be thrown but in an emergency, the door can be unlocked • Electric lock is fail-safe and when the power of the building is cut, the designated doors are unlocked. • Nursing home rooms offering privacy but in an emergency, the door can be unlocked. Author: Written by S4A-Access from LDC NEW MATERIAL TECHNOLOGY CO.,LIMITED

Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Application of RFID technology in the field of fire protection August 31, 2020 With the rapid development of urbanization in cities, large-scale construction of buildings, a large number of people entering and exiting activities every day, electric vehicles in the community, and the safety of residents' electricity use, fire safety is a very important concern. In a complex social environment, how to improve, innovate, and scientifically manage management models must make full use of various advanced scientific and technological means to enhance the service concept and quality of fire protection work. With the continuous advancement of science and technology, the gradual development of technical and hardware conditions, the rapid expansion of industrial scale, and the vigorous supervision of relevant departments, smart firefighting has emerged. Smart firefighting refers to the use of the Internet of Things, big data and other technical means to organically link firefighting facilities, socialized firefighting supervision and management, firefighting and rescue and other elements through Internet of Things information sensing and communication technologies to achieve real-time, dynamic, interactive, Integrated fire protection information collection, transmission and processing, comprehensively promote and improve the level of fire supervision and management, enhance the command, dispatch, decision-making and disposal capabilities of fire fighting and rescue, improve the intelligent and social level of fire management, and meet the "automation" of fire prevention and control , The actual needs of "intelligence" fire fighting and rescue command, "systematization" of daily law enforcement work, and "refined" military management, realize smart prevention and control, smart operations, smart law enforcement, and smart management, and create a "firewall" from the city to the home . Smart firefighting uses RFID technology to scan tags for daily fire prevention inspections by posting encrypted RFID radio frequency tags and establishing ID cards on key firefighting parts and firefighting facilities of the unit. In addition, the system will automatically prompt the inspection standards and methods of various fire-fighting facilities and key parts, and automatically record the inspection traces of inspectors, replacing the traditional paper inspection records. It has changed the status quo that traditional fire prevention inspections are not in place and inspection records are untrue. The maintenance and inspection of fire-fighting equipment is a major foundation of smart fire-fighting construction. Author: Written by Mr. Shen from LDC NEW MATERIAL TECHNOLOGY CO.,LIMITED

Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Network access control systems for Hotel management August 31, 2020 The hotel management network access control system is developed and designed by LDC in conjunction with the hotel industry. Its working mechanism is a Mifare card reader installed at the door of each room. When a guest checks in, the Receptionist will send the room number, check-in time, and check-out time through the card issuer (PCD-122 or MCI-109). Enter it into the software of the management, and authorized the cards according to the time and date then upload it to the control host. After the guest arrives at the door of the room, swipe the card on the card reader, it will read the ID number of the card and uploads it to the controller for permission confirmation, and then controls the electric lock to open the door, otherwise, the door cannot be opened. At the same time, the controller saves the door opening information. If the main console is in a "real-time" state, it will be transmitted to the computer control center at the main station via TCP communication, and the door opening information will be displayed on the computer in time. Such as a certain guest, certain time, opening a certain room, etc. The inductive IC card access management control system (referred to as the RFID access control system) has multiple functions such as door access control, real-time monitoring, attendance records, and security alarms. All these functions, you might check it via S4A access control software, It is mainly convenient for staff to enter and exit, and to prevent unauthorized staff to enter, which is convenient for management for all users. Author: Written by Mr.Andy Zhang from LDC NEW MATERIAL TECHNOLOGY CO.,LIMITED

Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag What's kind of sensor we are using for the Automatic Door opener? January 28, 2021 What's kind of sensor we are using for the Automatic Door opener ? Active Infrared Functional Principles: An Active Infrared Detector always consists of one transmitter and at least two receiver chips with high-quality optical systems. The scanning range is set by means of a mechanical micro-speed unit by changing the angle between the transmitter and receiver. This optical procedure is called triangulation or optical differential measurement. Active Infrared Detectors are static—they only detect persons and objects if they break the beam. The detection area consists of spots, and depends to a large extent, on the optical center-to-center distances of the transmitter and receiver lenses. Several beams can be combined in a modular system to form a larger area. Choose from: Background suppression presence detectors are used on moving parts like a swing door or revolving door. This system does not require a background like a wall or floor. Background analysis requires a signal from the background in order to switch the output. The sensor is installed and requires a background (floor/wall). The output is deactivated. The desired scanning range is set mechanically within the predefined possible distances. Each object within the set scanning range is detected statically. Passive Infrared Functional Principles: Passive Infrared Sensors function in a similar way to infrared cameras used to detect heat loss from buildings. The infrared-sensitive sensor forms a heat image of the defined area to be monitored. After an initial set-up time of approximately 20 seconds, the measured infrared image is saved. The sensor switches if the heat image changes as a result of movement. Two conditions must be fulfilled here: 1. There must be a temperature difference of +/- 1.8 F between the object to be detected and the background. 2. The object to be detected must move at a rate of at least 4 inches per second. The system is ideal for detecting people only if— there is always a difference of at least 1.8 F between the surface temperature of a clothed person and the surrounding environment. For reasons of a physical nature, this technology should only be used to detect living beings as it’s not always possible to guarantee that the difference in temperature between items such as shopping carts or vehicles, and that of the surrounding environment will be great enough. Microwave sensor ( we have 2 models are available to choose, M204 and M204-T) So, we need to know first what is a Microwave Motion Sensor ? A microwave motion sensor uses electromagnetic radiation. It emits waves that are then reflected back to the receiver. The receiver analyzes the waves that are bounced back. If there is an object moving in the room, these waves are going to be altered. The microwave detector is able to identify changes from moment to moment. Ideally, the receiver should be receiving the same waves back again and again. Because of the way that microwave motion sensors work, they can be either more sensitive or less sensitive. They can identify every minute changes (a totally empty house) or be calibrated to require larger-scale movement (to avoid false positives). Functional Principles: Microwaves are electromagnetic waves such as those emitted by a radio transmitter but with a much higher frequency (> 1GHz). Thanks to the variable antenna, the microwaves emitted by the transmitter can be directed without any difficulty and are reflected back to the receiver via the floor, walls, and other surfaces. If there is no movement in the monitored zone, the transmitter and receiver frequency remains the same—the zone is clear. People and objects, however, activate the motion detector as they move through the monitored zone. The emitted and received frequencies are no longer identical. The difference between the frequencies is evaluated and transferred via relay or electronic contacts in the form of a switching pulse. The microwave power used is perfectly safe for humans and animals. How to Combat Interference, maybe this is one of the questions you want to know... In addition to known influencing factors such as rain, snow, fluorescent lamps, and fundamental vibrations of door drives, there has also been a steady increase in parasitic interference caused by items such as mobile phones, radio, and X-ray equipment—commonly called electrosmog. Optimized circuits and other suppression components provide extensive protection. Today, more special features are available. Environmental awareness and energy and cost-savings are not just empty promises anymore. (See application pictures ). Here are some of the features available: Distinguishing between movement toward and away from the detector. A few known models can even distinguish between cross-traffic and approaching traffic. The separation between people and vehicles, which would allow a door to open differently for a vehicle versus a person. Setting up a sensor with an easy-to-use remote control is standard today. Two models are known in the market: Unidirectional, where you read the setting by counting blinking LEDs on the sensor; or a bidirectional remote, which allows you to read out the settings and visually show them on the remote. Different Sensors for Different Applications The most common doors are sliding, swing, and revolving doors. There are low-cost sensors, which basically can only fulfill one major duty—detection or not. But there are also sophisticated sensors available which not only open a door but can also be used for special applications. For example a hotel entrance door that's activated every time a car pulls up. This action can now be eliminated. Today, there are sensors that will ignore cross-traffic, only activating the doors when a person walks toward it. Many hotel managers will be glad to hear that. Active infrared sensors are not only being used to activate a door but also to detect presence so a door doesn't close while a person or object is still in the door's path.? Swing doors are by far the most common automated pedestrian doors in North America. Most swing doors are activated by a sensor and secured by another. We differentiate between a header-mounted sensor and a door-mounted sensor. Header-mounted sensors are often used for activation, but there are also header-mounted sensors available for safety. Door-mounted sensors are basically for presence-detection to assure the door is not closing on a person in the path. Sliding doors are the second-most used doors in the industry. Generally, the swing door is activated on both sides, and also has some presence features, either by beams in the threshold or a presence sensor. There are also combined sensors available on the market where the activation and presence are included in one unit. Revolving doors are common, but seldom are they fully automated. A fully automated revolving door requires a set of activation and safety sensors. Activation sensors start the movement of the door; presence sensors assure no one is being hit by a moving door. Often, there is a single beam sensor on the closing edge, a presence detector on the moving leaf, and, in addition, there are mostly electrical sensing edges and safety mats used. Author: Written by Ms.Anna Zhang from LDC NEW MATERIAL TECHNOLOGY CO.,LIMITED

Scale your security operations with obohands access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Six application areas of Door access control systems August 31, 2020 1: Office Building The installation of access control in the company gate can effectively prevent outside salesmen from entering the company and disrupt, and it can also effectively prevent outsiders from entering the company, ensuring the safety of the company and employees' property. It Can effectively track whether employees leave their posts without authorization. The attendance can be checked through the supporting attendance management software, without the need to buy a clock, the attendance results are more objective and fair, and the statistics are fast and accurate, which can greatly reduce the work intensity and workload of the personnel department. It can effectively solve the problem that some employees have to replace the door key for fear after leaving. You can conveniently and flexibly arrange anyone's authority and opening time for each door. You only need to take a card, without taking a large number of heavy keys, and the security is more reassuring than the keys. 2: Application of access control systems in the Community Generally, access control systems are installed on residential gates, fence gates, electric doors, iron doors, fire doors, and anti-theft doors of units. (you could choose locks for indoor use or outdoor use if, for outdoor, we recommend to take EL-W600 280KG IP65 waterproof version), It can effectively prevent idle people from entering the community, and conduct closed management of the community. It can change the inaccurate and imprecise management method of the community security who rely on memory to determine whether it is an inaccurate and inaccurate management method by outsiders. If it is a community owner, the new security guards will cause disgust from the owner. If outsiders are well dressed, the security guards may think they are the owners and do not interrogate them. This will also bring about safety hazards. A safe and scientific access control system can improve the quality of the property and is more conducive to developers to promote real estate. Owners will also benefit from scientific and effective access management. The networked access control facilitates the security to monitor the entry and exit of all gates at any time. If there is an accident or case, the entry and exit records can be inquired to provide evidence afterward. It can be combined with building intercom system and video intercom system. It can realize the all-in-one card with the internal consumption parking lot management of the community. 3: Application of access control in government offices It can effectively regulate the office order, can prevent illegal personnel from attacking government offices, and protect the personal safety of leaders. 4: Application of access control in the medical hospital system It can prevent outsiders from entering the infected area and precision equipment room. 5: Application of access control in telecom stations and power supply bureau substations Telecom stations and power supply bureau substations have such characteristics: There are many base stations, requiring large system capacity. The distribution area is very wide, even hundreds of square kilometers. It has its own network for networking, and some places are unattended, requiring the central dispatching room to maneuver on-site staff at any time. 6: Application of entrance guard in intelligent elevator control Also known as access elevators, RFID card elevators, access control elevators, only authorized users can perform: call elevators, according to floors; related intelligent communities have used more and more related equipment, specially designed control circuits for elevator control, forming a proprietary The elevator access control system. Author: Written by Mr. Shen Auguest from LDC NEW MATERIAL TECHNOLOGY CO.,LIMITED

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Scale your security operations with LDCtech access control system. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag READ MORE Mobile access is the use of a mobile device (e.g., smartphone, tablet or wearable) to gain access to secured doors, gates, networks, services and more. Our solutions allow organizations to meet the growing demands of a mobile-first world. LDC Teco Mobile Access provides a secure, convenient, and efficient way to manage access control for your business. Its robust mobile credential technology enables you to control who has access to your doors, networks, services, and more from any mobile device. With this technology, you can quickly and easily unlock doors, grant access, and manage permissions in real time. Enjoy the convenience of a seamless access control experience, with the security of a trusted and reliable system. Mobile Access® Solutions Key Benefits of Mobile Access Increase Convenience Access facilities with a mobile device by simply using “Tap” or “Twist & Go” gestures Boost Efficiency Using our online management portal, administrators can create, manage, issue and revoke credentials through the cloud Maximize Security Delivered through a highly secure and reliable cloud platform, the solution is powered by Seos credential technology Native Touchless Keep employees and staff safe through over-the-air provisioning and native touchless functionality Unlock your Office With iPhone and Apple Watch With employee badge in Apple Wallet, employees can access office doors, elevators, turnstiles, multifunction printers and much more using just their iPhone or Apple Watch. It’s easy, convenient and secure. Employee badge in Apple Wallet integrates into existing access control systems, is simple to distribute and manage, and takes advantage of the built-in security features of iPhone and Apple Watch.

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LDCtech access control solutions. Secure entry screening accurate frictionless AI recognition software access system control/ video intercom/ rfid card/tag Entrer en contact avec votre fournisseur de système de sécurité Horaires d'ouvertures Lun - Ven : 9h - 19h Samedi : 9h - 19h Dimanche : 9h - 20h Emplacement du magasin Province de GuangDong, ville de ShenZhen, district de Bao'an Route de Chongqing n°2. Code postal 518100 courriel : daniel@obohands.net tél. : 0755-85241432 Portable : 13640963110 Nous sommes là pour vous aider ! Remplissez le formulaire avec n'importe quelle carrière en tête et nous vous répondrons dans les plus brefs délais Prénom Nom de famille E-mail Sujet Un message Soumettre Merci d'avoir soumis ! Bulletin Inscrivez-vous pour recevoir des mises à jour sur les nouveaux arrivants et offres spéciales E-mail S'abonner Merci d'avoir soumis !