A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as multimedia playback and streaming. Smartphones have built-in cameras, GPS navigation, and support for various communication methods, including voice calls, text messaging, and internet-based messaging apps.
A light meter is a device used to measure the amount of light. In photography, an exposure meter is a light meter coupled to either a digital or analog calculator which displays the correct shutter speed and f-number for optimum exposure, given a certain lighting situation and film speed. Similarly, exposure meters are also used in the fields of cinematography and scenic design, in order to determine the optimum light level for a scene.
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry that can analyse the barcode's image data provided by the sensor and send the barcode's content to the scanner's output port.
Photodetectors, also called photosensors, are sensors of light or other electromagnetic radiation. There are a wide variety of photodetectors which may be classified by mechanism of detection, such as photoelectric or photochemical effects, or by various performance metrics, such as spectral response. Semiconductor-based photodetectors typically use a p–n junction that converts photons into charge. The absorbed photons make electron–hole pairs in the depletion region. Photodiodes and photo transistors are a few examples of photo detectors. Solar cells convert some of the light energy absorbed into electrical energy.
A transflective liquid-crystal display is a liquid-crystal display (LCD) with an optical layer that reflects and transmits light. Under bright illumination the display acts mainly as a reflective display with the contrast being constant with illuminance. However, under dim and dark ambient situations the light from a backlight is transmitted through the transflective layer to provide light for the display. The transflective layer is called a transflector. It is typically made from a sheet polymer. It is similar to a one-way mirror but is not specular.
Interferometric modulator display is a technology used in electronic visual displays that can create various colors via interference of reflected light. The color is selected with an electrically switched light modulator comprising a microscopic cavity that is switched on and off using driver integrated circuits similar to those used to address liquid crystal displays (LCD). An IMOD-based reflective flat panel display includes hundreds of thousands of individual IMOD elements each a microelectromechanical systems (MEMS)-based device.
The HTC Evo 4G is a smartphone developed by HTC Corporation and marketed as Sprint's flagship Android smartphone, running on its WiMAX network. The smartphone was launched on June 4, 2010. It was the first 4G enabled smartphone released in the United States.
The HTC 7 Surround is a smartphone created by HTC running on the Windows Phone 7 operating system. The HTC Surround launched on November 8, 2010 on AT&T.
The HTC Evo Shift 4G is a smartphone developed by HTC Corporation and marketed as the concurrent/sequel to Sprint's flagship Android smartphone, running on its 4G WiMAX network. The smartphone launched on January 9, 2011.
Sony Xperia T is an Android smartphone manufactured by Sony Mobile. Introduced on 29 August 2012, it is Sony Mobile's last device ever introduced to feature the Sony Ericsson liquid energy logo after Sony acquired Ericsson's stake in Sony Ericsson in January 2012. It was released in October 2012.
The Nexus 5X is an Android smartphone manufactured by LG Electronics, co-developed with and marketed by Google as part of its Nexus line of flagship devices. Unveiled on September 29, 2015, it was a successor to the Nexus 5. The phone, along with the Nexus 6P, served as launch devices for Android 6.0 Marshmallow, which introduced a refreshed interface, performance improvements, increased Google Now integration, and other new features.
The Moto 360 , also known as the Moto 360 (2015), is an Android Wear-based smartwatch. It was announced on September 14, 2015 at the IFA.
The Sony Xperia XZ Premium is an Android smartphone manufactured and marketed by Sony. As part of the Xperia X series, the device was announced to the public along with the Xperia XZs at the annual Mobile World Congress in February 2017. Pre-orders for the Xperia XZ Premium started in Europe on 22 May 2017. The device went on sale in the UK on 2 June 2017, and in the US on 19 June 2017.
The Phab 2 Pro is an Android smartphone in a phablet form factor, developed and produced by Lenovo and first released in November 2016 at an MSRP of US$499. The device is notable for being the first consumer smartphone to support Google Tango augmented reality (AR) technology.
An always-on display (AOD) is a smartphone feature that has the device continue to show limited information while the phone is asleep. It is widely available on Android handsets, and is available on Apple iPhones since the iPhone 14 Pro. On some Android devices, the feature is sometimes called Ambient Display or Active Display, depending on its implementation and behavior. Depending on the phone's design, it may be a replacement or complementary to another feature, such as the notification LED.
The Sony Xperia XZ1 is an Android smartphone manufactured and marketed by Sony. Part of the Xperia X series, the device was announced to the public along with the Xperia XZ1 Compact at the annual IFA 2017 on August 31, 2017. It is the direct successor to the Sony Xperia XZ according to Sony, and is the latest flagship after the Xperia XZ Premium.
The Sony Xperia XZ2 Premium is an Android smartphone manufactured and marketed by Sony. Part of the Xperia X series, the device was announced to the public on April 16, 2018, featuring a 4K HDR display and a MotionEye™ Dual Camera.
The Sony Xperia XZ3 is an Android smartphone manufactured and marketed by Sony. Part of the Xperia X series, the device was announced to the public at a press conference held at the annual 2018 IFA Berlin event on August 30, 2018. It is the first Xperia device with an OLED display and it features the same Dynamic Vibration System as seen on the Xperia XZ2. It was the last phone in the Xperia XZ series and the last phone in the Xperia X series overall before Sony moved into a new naming scheme for their Xperia lineup.
The Sony Xperia 1 is an Android smartphone made by Sony. Part of Sony's flagship Xperia series, the device was announced to the public at a press conference held at the annual 2019 Mobile World Congress event on February 25, 2019. It’s the world's first smartphone with an ultrawide 21:9 aspect ratio 4K HDR OLED display, dubbed Cinema Wide, and Sony's first triple-lens camera system featuring Eye AF eye-tracking technology seen in the company's Alpha line of professional-grade cameras. The Xperia 1 was later joined by a more compact device, the Xperia 5, which was revealed on 5 September 2019. Compared to the Xperia 1, the Xperia 5 has a smaller 1080p screen, a smaller battery, and a non-centrally aligned camera module.
The iPhone's hardware is designed by Apple Inc. Apple directly sub-contracts hardware production to external OEM companies, maintaining a high degree of control over the end product.
