Sometimes referred to as form factors because of the housing or design of the device, barcode scanners are categorized in several types, which have features unique to specific environments, applications, and industries.
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All scanners incorporate barcode scan engines to read linear (1D) or 2D barcodes.
The most common type of scanner, handheld barcode scanners are extremely easy to use and perform a variety of functions.
They come in both corded and cordless (wireless) styles and are available with laser, linear imager, or 2D area imager scan engines.
Corded scanners work great for manufacturing, retail, groceries, warehouses, healthcare, and logistics.
Cordless scanners also work well in these environments, but excel in companies where flexibility is essential.
Mobile computers combine the functionality of a computer and a scanner into a single device. They come equipped with your choice of operating system (OS) and allow you to upload software applications.
Like barcode scanners, they come with either a 1D or a 2D scan engine, and they are great options for mobile workforces.
However, unlike scanners, mobile computers can store data on their hard drives, which makes them perfect for companies that need to instantly edit and share information across the enterprise.
A presentation scanner is also known as an on-counter scanner because it is designed to sit on top of a counter for hands-free operations. Users simply scan items in front of it for easy reading. Presentation scanners are the only ones that can be 1D and omnidirectional.
A type of presentation scanner, an in-counter scanner sits inside a counter to facilitate easy scanning.
Fixed-mount scanners read barcodes using sensors that are triggered when items pass in front of them. These scanners integrate with large automated systems and are usually found on conveyors in assembly lines and on vehicles such as forklifts.
Wearable scanners are typically worn on the arm, hand, or finger to expedite processing of barcodes. They are particularly useful in environments where hands-free processing is required and voice picking technology is implemented.
Also referred to as mini scanners, these cordless devices fit inside a pocket to facilitate quick scans and easy pairing with Bluetooth-enabled devices such as tablets and smartphones.
Fixed (stationary) RFID readers and handheld RFID-enabled scanners communicate with RFID tags using antennas and radio waves that send and receive signals from microchips stored in their tags.
The table on the following page compares the barcode scanner types.
BARCODE SCANNER TYPES
Type
Description
Use
Ideal for
Handheld
CORDED
CORDLESS (WIRELESS)
Mobile Computer
Presentation
In-Counter
Fixed-Mount
Wearable
Pocket-Sized
RFID
The world of barcode scan engines is where technology meets efficiency. Barcodes have become an integral part of our daily lives, enhancing productivity and streamlining processes across various industries. But have you ever wondered what happens behind the scenes when you scan a barcode? That's where the scan engine comes into play.
A barcode scan engine, also known as a barcode reader or scanner, is a device that captures and decodes the information stored in barcodes. It is the heart and soul of any barcode scanner, as it is responsible for converting the black-and-white lines of a barcode into meaningful data. The scan engine consists of a sensor, a light source, and an image processing system. When a barcode is scanned via a barcode scanner, the sensor captures the image of the barcode, and the light source illuminates it to ensure clear visibility. The image processing system then analyzes the captured image, decodes the barcode, and extracts the encoded information. Barcode scan engines are highly scalable and are designed to be integrated with various systems. Integrating a barcode scan engine can make host devices capable of scanning and reading barcodes. Host devices can be of any form, from handheld devices, stationary scanners, and computers to mobile devices like smartphones and tablets.
Barcode scan engines come in various types, each with its own set of features and advantages. Let's take a closer look at some of the most common types of barcode-scanning engines:
1. Laser scan engines: laser scan engines are the most traditional type of scan engine widely used in retail and warehouse environments. They offer fast and accurate scanning of 1D barcodes, making them ideal for high-volume scanning.
2. CCD scan engines: CCD scan engines are known for their durability and reliability. They can withstand harsh environments and are often used in industries such as healthcare and manufacturing. CCD scan engines are also capable of reading damaged or poorly printed barcodes.
3. 2D Imagers: 2D imagers are the most advanced type of scan engine and are capable of reading both 1D and 2D barcodes. They offer superior scanning performance and can capture barcodes from various angles and orientations. 2D imagers are commonly used in industries such as logistics, transportation, and healthcare.
The barcode scanner engine consists of several components that work as a combined system. A barcode scan consists of the following components:
1. Light Source: A light source is a component of the barcode scan engine that a barcode scanner needs to scan the barcode. The light source is produced by a laser diode, or LED. Then, the light source illuminates the barcodes, allowing scanners to read them.
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An LED source produces wide beams of light that generally operate at short-range distances. LED light sources are best suited for close-range scanning applications like retail stores, supermarkets, and other environments.
2. Sensor: A sensor in a barcode scanner engine that converts the light signal into an electrical signal. When the reflected light from the barcode reaches back to the scanner, the sensor converts it into an electrical signal.
Two types of sensors are used in barcode scanners: photodiodes and CCDs (charge-coupled devices).
3. Decoder: It is one of the essential components of a barcode scan engine because a decoder compiles the electrical signal from a sensor and converts it into readable information such as alphabets and numerical values.
4. Mirror and lenses: The mirror and lenses of the barcode scan engine are responsible for handling light beams. They can multiply them and direct them to the sensor.
Barcode scanning engines offer a multitude of benefits that can significantly enhance business operations. Here are some of the key advantages of using barcode scanning engines:
1. Increased efficiency: barcode scan engines streamline data entry processes by eliminating the need for manual data entry. They can quickly and accurately capture barcode information, allowing employees to focus on more critical tasks.
2. Improved accuracy: Manual data entry is an error-prone approach, which can lead to mistakes in inventorying the item. Barcode scan engines eliminate the risk of human error, ensuring that the captured information is accurate and reliable.
3. Enhanced productivity: By automating data capture processes, barcode scan engines save time and increase productivity. Employees can scan barcodes in a fraction of the time it takes to manually enter data, allowing for faster processing and improved workflow.
4. Real-time data visibility: Barcode scan engines enable real-time tracking and monitoring of inventory, assets, and shipments. This real-time visibility helps businesses make informed decisions, optimize inventory management, and improve overall operational efficiency.
5. Scalability: Barcode scan engines are highly scalable and can accommodate the needs of businesses of all sizes. Whether you have a small retail store or a large warehouse, barcode scan engines can be customized to meet your specific requirements.
Barcode scan engines find applications in a wide range of industries and business processes. Here are some common use cases for barcode scanning engines:
1. Retail: In the retail industry, barcode scan engines are used for point-of-sale (POS) transactions, inventory management, and price verification. Cashiers can quickly scan barcodes to retrieve product information and process transactions efficiently.
2. Warehouse and logistics: Barcode scan engines are essential in warehouse and logistics operations for inventory management, order picking, and shipment tracking. Warehouse workers can scan barcodes to update inventory records, locate products, and ensure accurate order fulfillment.
3. Healthcare: Barcode scan engines play a crucial role in healthcare settings, enabling accurate patient identification, medication tracking, and inventory management. Healthcare professionals can use barcode scanners to scan patient wristbands, medication labels, and medical equipment for streamlined processes and improved patient safety.
4. Manufacturing: Barcode scan engines are widely used in manufacturing facilities for tracking work-in-progress, managing inventory, and ensuring quality control. They help automate data capture throughout the production process, reducing errors and improving efficiency.
5. Transportation and logistics: In the transportation and logistics industry, barcode scan engines are used for tracking and tracing shipments, managing assets, and optimizing supply chain operations. Barcode scanners can scan barcodes on packages, pallets, and containers to ensure accurate delivery and efficient logistics management.
Barcode scanner engines come with a range of features and functionality that can enhance their performance and usability. Here are some common features to look for when selecting a barcode scanning engine.
1. Auto-sensing: Some scan engines feature auto-sensing technology, which allows them to detect and scan barcodes automatically when they are presented within the compatible range. This feature eliminates the need for manual triggering, improving scanning speed and efficiency.
2. Multi-interface options: Scan engines with multiple interface options offer flexibility in connecting to different devices. Common interface options include USB, Bluetooth, and wireless connectivity.
3. Image capture: Some scan engines have built-in image capture capabilities, allowing users to capture images, signatures, or documents using the barcode scanner.
4. Batch scanning: Scan engines with batch scanning functionality can store scanned data internally and transmit it to a device later. This feature is useful in situations where a wireless connection is not available or when scanning multiple barcodes in a short period.
5. Data analyzing: Advanced scan engines can parse the data extracted from barcodes and separate it into different fields, such as SKU, price, and description. This feature enables seamless integration with other software systems, such as inventory management or point-of-sale applications.
To conclude, barcode scanning engines are the driving force behind the efficient and accurate decoding of barcodes. Understanding the different types of scan engines, their features, and their applications can empower businesses to make informed decisions when selecting barcode scanners. Barcode scan engines in various businesses can streamline operations, improve productivity, and enhance data accuracy. From retail and healthcare to manufacturing and logistics, barcode scan engines have revolutionized the way we track, manage, and process information.
Frequently Asked Questions
Q1) What is a barcode scanning system?
A barcode scanning system is also known as point-of-sale (POS) scanning or barcode reading. It is the process of retrieving information from the barcode of an item.Q2) Do barcodes have any character limits?
Barcodes have limits on the number of characters they can store or encode. The amount of data that can be stored on a barcode depends on the type of barcode, encoding method, scanner, and symbology.
Q3) What are some disadvantages of barcode scanners?
1. Barcode scan engines are less secure than RFID systems.
2. Disorientation of the barcode, stumbling blocks of dirt on the barcode, and damage can cause misreads or failed reads.
3. It requires labor support to operate and scan barcodes individually.
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Created on
Nov 25,
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