Glossary & definitions

To help you better understand our business we have explained some of the industry-specific terminology used on our website.

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Access control

Systems that enable administrators to control access to secure areas through physical, logical, electronic, offline, online and wireless access control solutions. Access control is a way of overcoming the challenges posed by a high turnover of people entering or exiting any facility.

Air curtain

The Air curtain solutions uses laminar airflow to provide a “curtain” of moving air that can be used with automatic door solutions to help keep wind draughts and cold outside when entry doors are opened.


A smart technology by ASSA ABLOY that enables mechanical locks to be wirelessly linked to a new or existing access control system without the need to modify or replace the door.


A multifunctional online access control system by ASSA ABLOY based on modern network solutions and programming, adapted to handle today’s IT policy, security and functionality demands.

ASSA dp cylinder

A high security cylinder developed by ASSA ABLOY for all types of mechanical locking systems. Within each master key system it is possible to specify high- and medium security cylinders as well as auxiliary cylinders and padlocks.

Automatic doors

Sliding-, swing- and revolving doors offer many ways to improve and secure accessibility, safety and convenience in any building. Automatic doors welcome visitors, guide traffic and preserve indoor climate zones. 


The part of a lock or latch which provides the fastening or engagement by protruding from the case or for end to engage in the staple, striking plate, link, shackle or other member.


The study of automated methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioral traits.

Cam lock

A complete locking assembly in the form of a cylinder whose cam is the actual locking bolt.


Locking device that is attached to a lock case, and operates the same (where you actually put your key in to open the door).


The ASSA CLIQ-technology is used as a protection off-line and for doors demanding registered and controlled security. The technology provides electronic authorization on group- or individual level with developed electronic flexibility and security.

Dead bolt

A dead bolt is a locking mechanism which cannot be moved to the open position except by rotating the lock cylinder, distinct from a spring bolt. A dead bolt can therefore make a door more resistant to entry without the correct key and is often used to complement a spring-bolt lock on an entry door to a building.

Door closer

A device for closing a door or gate automatically after opening. The self-closing function provides security for external doors, preventing them from slamming, staying open unintentionally or blowing open in the wind.

Electromechanical key

Key functions such as CLIQ technology that combines electronic and mechanical security.

Electric strike

Release mechanism typically located in the frame that releases remotely allowing door to open, based on a striker plate function and installation.

Exit device

Exit devices and panic exit devices from are safety devices which ensure a free way out at all times, while restricting door entry access. ASSA ABLOY exit devices for exit doors are available in push bar and crossbar styles, ranging from one-touch push bar panic exits to one-hand operated emergency exits.

Future Lab

A platform specifically developed for ASSA ABLOY customers. At the Future Lab site the customer can find news and reports about security trends, security research results, expert interviews and learn more about our innovation work at ASSA ABLOY. The customers also have the possibility to contribute in the ASSA ABLOY development by joining the lab and participating in trend research and concept tests.

Hangar doors

With almost no limitation to size or configuration, hangar doors are used by aviation, mining and shipyard industries.

High-performing doors

High-speed, high-performance doors improve efficiency, safety and hygiene in applications with frequent openings and closings including manufacturing, cold storage and cleanrooms.


A product to connect the door to the frame and that makes it possible to open the door.


Highly intelligent Opening is a concept brought by ASSA ABLOY for electronic door locking solutions that simplifies installation, service and upgrade. The system consists of electronic door components such as ID controllers, door operators and electric locks connected together over a controller area network (CAN).

High-performance door

High-performance doors comply with tough requirements and specialized needs and can be found everywhere, from coal mines to clean rooms and hospitals to hazard zones. Typically they are distinguished by their speed, durability, hygiene and efficiency.

Industrial doors

Industrial facilitate logistics and increasesecurity. Overhead sectional doors, folding doors and vertical-lifting fabric doors are available in a variety of configurations.

In-room safe

Most commonly refers to safes for in-door use, often used in hotel rooms to protect valuables for hotel guests.

Key card

A lock operated by a keycard: a flat, rectangular plastic card with identical dimensions to that of a credit card or American and EU driver’s license which stores a physical or digital signature which the door mechanism accepts before disengaging the lock. Keycards are frequently used in hotels as an alternative to mechanical keys.

Industrial door & docking

Industrial entrance and docking systems handlels opening solutions for goods and people focusing on enhancing business logistics and flow.


A spring-loaded door lock that can only be opened from outside with a key.

Livestock identification

An identification system that uses RFID devices to identify and track livestock and keep a central electronic database of an animal’s residency and other animals it has interacted with.

Loading dock equipment

Levelers, shelters, loadhouses and other accessories are used to make loading and unloading more convenient and sustainable.


A complete set with all necessary fittings for the door.

Master key

One key that operates a number of locks where the individual locks each has their own, different key.

Mechanical key

Metal key that opens the cylinder.

Multi-point lock

Describes a type of lock mechanism that has more than one locking point. It usually has a minimum of three locking points (plus latch) spread strategically over the length of the door. Multi-point locks are typically used on PVCu or composite doors.


Near Field Communication is a standard-based, short-range wireless connectivity technology that enables simple and safe two-way interactions among electronic devices, operating in the 13.56 MHz frequency range, over a typical distance of a few centimeters.

Night latch

A lock which is mounted onto the surface of the door as opposed to being mortised into the edge of the door. A night latch holds the door shut on a latch, which can often be deadlocked into position. Night latches are still sometimes referred to by their traditional name of 'rim lock' although a rim lock usually now refers to a basic security lock for use on internal doors, gates or outbuildings.

Pedestrian door

Doors and opening solutions designed for people that are walking and that handels large crowds of people.


A personal identification number that is a secret shared between a user and a system that can be used to authenticate the user to the system. PINs are often 4-digit numbers in the range 0000-9999 resulting in 10,000 possible numbers, so that an attacker would need to guess an average of 5000 times to get the correct PIN.


A portable locking device that can be used to lock various item such as bicycles and containers. Sometimes used together with a chain.


An independent electronic unit that “reads” the encoded data on a card, chip, media or other device.


Radio Frequency Identification is an automatic identification method where data is stored and retrieved using RFID tags or transponders. It can be implemented on a small object attached to a product, animal, or person. Passive tags require no internal power source, active tags do.


A square hole created in the backset to allow the spindle to feed through to operate the handle. Sometimes also called a follower.

Seos ®

Mobile access by ASSA ABLOY; an ecosystem of interoperable products and services for issuing delivering and revoking digital keys on NFC mobile devices so they can be used to open doors to homes, hotels, offices, hospitals, universities, industries and commercial buildings.

Smart card

A pocket-sized card with embedded integrated circuits. Most often a smart card is used when referred to a microprocessor card of credit card dimensions with various tamper-resistant properties and capable of providing security services.


The spindle is a square metal bar which connects the door handles on either side of the door together through the follower. When the levers of your door handles are pressed, the spindle rotates and operates the latch inside the door, allowing the door to open.