• Manual Barcode Scanner
• Barcode Scanners For Computers
• Symbol Barcode Scanner Manual Pdf
• Microsoft Barcode Scanner
• Barcode Scanner Software
• Code Barcode Scanner Programming

Manual Barcode Scanner

The barcode scanner driver sample demonstrates how to create a universal driver for a barcode scanner and is intended to be used as a template for creating a new barcode scanner driver. The sample uses the User-Mode Driver Framework (UMDF) 2.0 and demonstrates basic functionality such as claiming the device for exclusive access. The sample driver can be compiled and deployed on x86, amd64, and ARM platforms. For more information on universal drivers, go to Getting Started with Universal Windows drivers.

Requirements

• Windows 10

• Microsoft Visual Studio (any version)

Our VB10 series barcode scanners include two models covering short-range and medium-range working distances from 40 mm to 220 mm. The VB10 family is a rugged, industrial barcode scanner in an IP65 metal housing. They have an external trigger input, two programmable outputs and laser protection class II. Download this app from Microsoft Store for Windows 10, Windows 10 Team (Surface Hub), Xbox One. See screenshots, read the latest customer reviews, and compare ratings for Free Barcode Scanner.

The Windows Software Development Kit (SDK) 10 is also required, but this is installed as part of Microsoft Visual Studio.

Note

The sample driver does not require any barcode scanner hardware to function because it operates on a software device. If you have a hardware device you wish to use with the sample, you can still use the driver by adding the device's hardware ID to the INF file.

Download and extract the sample

Barcode Scanner TaoTronics 2-in-1 Bluetooth Barcode Scanner Wireless and Wired Portable Bar Code Scanner USB Barcode Reader for Computer, iPhone iPad and Other Android Smartphone, Tablet. 4.2 out of 5 stars 135. 10% coupon applied at.

The Windows driver samples are available on GitHub.

1. Download Windows-driver-samples-master.zip. This file contains all Windows Driver Kit (WDK) samples.

2. Extract Windows-driver-samples-master.zip to the location of your choice on your development machine. This location will be referred to as <sample_root> throughout the remainder of this article.

Open the driver solution in Visual Studio

1. In Windows Explorer, navigate to the <sample_root>posdriversbarcodescanner folder.

2. Double-click the solution file, BarcodeScanner.sln to open the solution with Visual Studio.

3. The project zip file was downloaded from the Internet so you may see a security warning when you open the solution. If you do, select OK to finish loading the project.

4. In Visual Studio, locate Solution Explorer. If this is not already open, select Solution Explorer from the View menu. In Solution Explorer, you can see the project and the source files it contains.

Build the sample using Visual Studio

1. From the Standard toolbar in Visual Studio, select the Solution Platform that matches your operating system platform. For example, if you are using a 64-bit version of Windows, select x64.

   Note

   If targeting the ARM platform, you will need to use the configuration manager to add ARM to your list of targets.

2. Select Build Solution from the Build menu.

Install the driver

1. When built, the driver was signed with a test certification. In order to install the driver for testing, you need to change your boot configuration to allow drivers signed with a test certificate to load. To change the setting, open up an elevated command prompt and enter the command:

   bcdedit.exe /set TESTSIGNING on

2. Reboot your machine.

   Note

   If test-signing had been enabled previously, a reboot is not necessary.

3. From an elevated command prompt, navigate to the folder where your project was built. If you created an x64 debug build, this folder will be <project_root>x64DebugSampleBarcodeScannerDrv.

   In that folder, you will see the following files:

   File	Description
   SampleBarcodeScannerDrv.dll	The driver file.
   SampleBarcodeScannerDrv.inf	An INF file that contains information needed to install the driver.
   samplebarcodescannerdrv.cat	A signed catalog file, which serves as the signature for the entire package.

4. Identify the path to the Device Console utility (devcon.exe) that matches your OS and driver platform. The default locations for the x64 version is C:Program Files (x86)Windows Kits10Toolsx64.

5. Type the following command, replacing <devcon_path> with the path to the devcon.exe file that you located in the previous step.

   <devcon_path>devcon.exe install SampleBarcodeScannerDrv.inf RootSampleBarcodeScannerDrv

6. You will see a Windows Security dialog informing you that the publisher of the driver can't be verified. This is because the driver was signed with a test certificate. Select Install this driver software anyway. In a moment, you will see confirmation that your driver was installed correctly.

If the Device Console utility wasn't able to install the driver, confirm that you were using the one that matches your current OS platform and the platform of the driver.

View the device in Device Manager

1. Open Device Manager. This can be done many ways, but if you're still in a command prompt then type devmgmt.

2. In Device Manager, choose Devices by type from the View menu.

3. Your device is listed under the Samples node.

A barcode reader (or barcode scanner) is an optical scanner that can read printed barcodes, decode the data contained in the barcode and send the data to a computer. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating for optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry that can analyze the barcode's image data provided by the sensor and sending the barcode's content to the scanner's output port.

Types of barcode scanners[edit]

Technology[edit]

Barcode readers can be differentiated by technologies as follows:

Pen-type readers[edit]

Pen-type readers consist of a light source and photodiode that are placed next to each other in the tip of a pen. To read a barcode, the person holding the pen must move the tip of it across the bars at a relatively uniform speed. The photodiode measures the intensity of the light reflected back from the light source as the tip crosses each bar and space in the printed code. The photodiode generates a waveform that is used to measure the widths of the bars and spaces in the barcode. Dark bars in the barcode absorb light and white spaces reflect light so that the voltage waveform generated by the photodiode is a representation of the bar and space pattern in the barcode. This waveform is decoded by the scanner in a manner similar to the way Morse code dots and dashes are decoded.

Laser scanners[edit]

Laser scanners work the same way as pen-type readers except that they use a laser beam as the light source and typically employ either a reciprocating mirror or a rotating prism to scan the laser beam back and forth across the barcode. As with the pen-type reader, a photo-diode is used to measure the intensity of the light reflected back from the barcode. In both pen readers and laser scanners, the light emitted by the reader is rapidly varied in brightness with a data pattern and the photo-diode receive circuitry is designed to detect only signals with the same modulated pattern.

CCD readers (also known as LED scanners)[edit]

CCD readers use an array of hundreds of tiny light sensors lined up in a row in the head of the reader. Each sensor measures the intensity of the light immediately in front of it. Each individual light sensor in the CCD reader is extremely small and because there are hundreds of sensors lined up in a row, a voltage pattern identical to the pattern in a barcode is generated in the reader by sequentially measuring the voltages across each sensor in the row. The important difference between a CCD reader and a pen or laser scanner is that the CCD reader is measuring emitted ambient light from the barcode whereas pen or laser scanners are measuring reflected light of a specific frequency originating from the scanner itself. LED scanners can also be made using CMOS sensors, and are replacing earlier Laser-based readers.^{[1][better source needed]}

Camera-based readers[edit]

Barcode Scanners For Computers

Two-dimensional imaging scanners are a newer type of barcode reader. They use a camera and image processing techniques to decode the barcode.

Video camera readers use small video cameras with the same CCD technology as in a CCD barcode reader except that instead of having a single row of sensors, a video camera has hundreds of rows of sensors arranged in a two dimensional array so that they can generate an image.

Large field-of-view readers use high resolution industrial cameras to capture multiple bar codes simultaneously. All the bar codes appearing in the photo are decoded instantly (ImageID patents and code creation tools) or by use of plugins (e.g. the Barcodepedia used a flash application and some web cam for querying a database), have been realized options for resolving the given tasks.

Omnidirectional barcode scanners[edit]

Omnidirectional scanning uses 'series of straight or curved scanning lines of varying directions in the form of a starburst, a Lissajous curve, or other multiangle arrangement are projected at the symbol and one or more of them will be able to cross all of the symbol's bars and spaces, no matter what the orientation.^[2] Almost all of them use a laser. Unlike the simpler single-line laser scanners, they produce a pattern of beams in varying orientations allowing them to read barcodes presented to it at different angles. Most of them use a single rotating polygonal mirror and an arrangement of several fixed mirrors to generate their complex scan patterns.

Omnidirectional scanners are most familiar through the horizontal scanners in supermarkets, where packages are slid over a glass or sapphire window. There are a range of different omnidirectional units available which can be used for differing scanning applications, ranging from retail type applications with the barcodes read only a few centimetres away from the scanner to industrial conveyor scanning where the unit can be a couple of metres away or more from the code. Omnidirectional scanners are also better at reading poorly printed,wrinkled,or even torn barcodes.

Cell phone cameras[edit]

While cell phone cameras without auto-focus are not ideal for reading some common barcode formats, there are 2D barcodes which are optimized for cell phones, as well as QR Codes (Quick Response) codes and Data Matrix codes which can be read quickly and accurately with or without auto-focus.^[3]

Cell phone cameras open up a number of applications for consumers. For example:

• Movies: DVD/VHS movie catalogs.
• Music: CD catalogs – playing an MP3 when scanned.
• Book catalogs and device.
• Groceries, nutrition information, making shopping lists when the last of an item is used, etc.
• Personal Property inventory (for insurance and other purposes) code scanned into personal finance software when entering. Later, scanned receipt images can then be automatically associated with the appropriate entries. Later, the barcodes can be used to rapidly weed out paper copies not required to be retained for tax or asset inventory purposes.
• If retailers put barcodes on receipts that allowed downloading an electronic copy or encoded the entire receipt in a 2D barcode, consumers could easily import data into personal finance, property inventory, and grocery management software. Receipts scanned on a scanner could be automatically identified and associated with the appropriate entries in finance and property inventory software.
• Consumer tracking from the retailer perspective (for example, loyalty card programs that track consumers purchases at the point of sale by having them scan a QR code).

A number of enterprise applications using cell phones are appearing:

• Access control (for example, ticket validation at venues), inventory reporting (for example, tracking deliveries), asset tracking (for example, anti-counterfeiting).^[4]

Smartphones[edit]

• Smartphones can be used in Google's mobile Android operating system via both their own Google Goggles application. Nokia's Symbian operating system features a barcode scanner which can scan barcodes, while mbarcode is a barcode reader for the Maemo operating system. In the Apple's iOS, a barcode reader is natively supported within the camera app. With BlackBerry devices, the App World application can natively scan barcodes. Windows Phone 8 is able to scan barcodes through the Bing search app.

Housing[edit]

Barcode readers can be distinguished based on housing design as follows:

Handheld scanner

with a handle and typically a trigger button for switching on the light like this are used in factory and farm automation for quality management and shipping.

PDA scanner (or Auto-ID PDA)

a PDA with a built-in barcode reader or attached barcode scanner.

Automatic reader

a back office equipment to read barcoded documents at high speed (50,000/hour).

Cordless scanner (or Wireless scanner)

a cordless barcode scanner is operated by a battery fit inside it and is not connected to the electricity mains and transfer data to the connected device like PC.

Barcode library[edit]

Main article: Barcode library(or Barcode SDK)

Currently any camera equipped device or device which has document scanner can be used as Barcode reader with special software libraries, Barcode libraries. This allows them to add barcode features to desktop, web, mobile or embedded applications. In this way, combination of barcode technology and barcode library allows to implement with low cost any automatic document processing OMR, package tracking application or even augmented reality application.

Methods of connection[edit]

Early serial interfaces[edit]

Early barcode scanners, of all formats, almost universally used the then-common RS-232 serial interface. This was an electrically simple means of connection and the software to access it is also relatively simple, although needing to be written for specific computers and their serial ports.

Proprietary interfaces[edit]

There are a few other less common interfaces. These were used in large EPOS systems with dedicated hardware, rather than attaching to existing commodity computers. In some of these interfaces, the scanning device returned a 'raw' signal proportional to the intensities seen while scanning the barcode. This was then decoded by the host device. In some cases the scanning device would convert the symbology of the barcode to one that could be recognized by the host device, such as Code 39.

Keyboard wedge (USB, PS/2, etc)[edit]

As the PC with its various standard interfaces evolved, it became ever easier to connect physical hardware to it. Also, there were commercial incentives to reduce the complexity of the associated software. The early 'Keyboard wedge' hardware plugged in between the PS/2 port and the keyboard, with characters from the barcode scanner appearing exactly as if they had been typed at the keyboard. Today the term is used more broadly for any device which can be plugged in and contribute to the stream of data coming 'from the keyboard'. Keyboard wedges plugging in via the USB interface are readily available.

The 'keyboard wedge' approach makes adding things such as barcode readers to systems simple. The software may well need no changes.

The concurrent presence of two 'keyboards' does require some care on the part of the user. Also, barcodes often offer only a subset of the characters offered by a normal keyboard.

USB[edit]

Subsequent to the PS/2 era, barcode readers began to use USB ports rather than the keyboard port, this being more convenient. To retain the easy integration with existing programs, it was sometimes necessary to load a device driver called a 'software wedge', which facilitated the keyboard-impersonating behavior of the old 'keyboard wedge' hardware.

Symbol Barcode Scanner Manual Pdf

Today, USB barcode readers are 'plug and play', at least in Windows systems. Any necessary drivers are loaded when the device is plugged in.

In many cases, a choice of USB interface types (HID, CDC) are provided. Some have PoweredUSB.

Wireless networking[edit]

Some modern handheld barcode readers can be operated in wireless networks according to IEEE 802.11g (WLAN) or IEEE 802.15.1 (Bluetooth). Some barcode readers also support radio frequencies viz. 433 MHz or 910 MHz. Readers without external power sources require their batteries be recharged occasionally, which may make them unsuitable for some uses.

Resolution[edit]

The scanner resolution is measured by the size of the dot of light emitted by the reader. If this dot of light is wider than any bar or space in the bar code, then it will overlap two elements (two spaces or two bars) and it may produce wrong output. On the other hand, if a too small dot of light is used, then it can misinterpret any spot on the bar code making the final output wrong.

Microsoft Barcode Scanner

The most commonly used dimension is 13 mil (0.013 in or 0.33 mm), although some scanners can read codes with dimensions as small as 3 mil (0.003 in or 0.075 mm). Smaller bar codes must be printed at high resolution to be read accurately.

See also[edit]

Barcode Scanner Software

• Barcode for more details about barcode technology. Includes links to the technical details
• Barcode Battler, a portable game console which scans barcodes as part of the gameplay
• Barcode library, a software library that can be used to add barcode features to desktop, web, mobile or embedded applications.
• CueCat, a cat-shaped handheld barcode reader. (Curiosity from the history of the PC)

References[edit]

1. ^'Considerations when introducing LED illumination in to the area where barcodes are being scanned?'. support.honeywellaidc.com. September 25, 2019.
2. ^Roger C. Palmer. The Bar Code Book.
3. ^Alapetite, A (2010). 'Dynamic 2D-barcodes for multi-device web session migration including mobile phones'. Personal and Ubiquitous Computing. 14 (1): 45–52. doi:10.1007/s00779-009-0228-5. S2CID10202670.
4. ^Barcode reading apps for enterprise, codeREADr.com, 2010.

Code Barcode Scanner Programming