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Thursday, April 23, 2009
Tuesday, April 21, 2009
Motorola SLVR L7
e Motorola SLVR L7 (formerly known as the V8) is a version of mobile phone in the SLVR series. The phone is one of a few non-Apple branded phones released featuring iTunes support, allowing the user to play up to 100 downloaded tunes that are stored on the phone's removable microSD card. It is known for its dedicated web browser and web video downloader which critics have said is the main feature of the SLVR. The SLVR L7 also features Bluetooth connectivity, a digital camera with 4x digital zoom and has a speakerphone. Carried in the United States by Cingular Wireless, Metro PCS, and Cricket Communications, and carried in Canada by Rogers Wireless, it superseded the earlier Motorola ROKR E1, which was withdrawn from the market due to lackluster sales. There is also a quad-band World Version of the L7 available internationally, which comes without the iTunes software. Instead, the standard Motorola Digital Audio Player is included. The SD card is used for storing videos downloading from the web via GPS/GSM/GPRS.
Design and features
The K800i/K790 is a "block" (or "candy bar") style phone that weighs 115 grams, with its buttons operated by the thumb. It has the "dual-front" design common to most Sony Ericsson mobile phones since the Sony Ericsson K700, with the back of the mobile phone designed like a digital camera and intended to be held sideways to take photographs. The central joystick button is used for selecting options and navigating menus, with the "C" button as an undo or delete key, and the arrow-labelled button as a "back button".
The two buttons labelled by white horizontal lines, known as hotkeys or soft keys perform the function of making decisions with only two choices. Such decisions are labelled on the phone's display. The button in between the right soft key and the "C" button acts as a shortcut key, which brings up a user-customisable shortcut menu when pressed. The two "A/B" buttons on either side of the earpiece are used for horizontal games support, as in the Sony Ericsson W550/W600. The on/off button is located on the top of the phone. The Memory Stick Micro M2 slot is located on the left-hand side of the phone. On the right-hand side of the phone there are three keys: two for controlling volume, skipping through tracks in the Media Player, changing radio channel, and zooming in and out when in camera mode. The third button on the right is the camera shutter button which operates the phone's key feature, a 3.2 megapixel Cyber-shot digital camera. In amongst the speaker at the top of the phone is a small camera used for video calls. Located next to this is the IrDA port.
Sony Ericsson K800i
 | |
| Screen | 2.0” QVGA (240x320 pixels), 262,144 (18-bit) Color TFT LCD |
|---|---|
| Ringtone | Polyphonic Sound (72 voices),Video tones, Real tones, (MP3/AAC/WMA) |
| Memory | 64MB Internal, Memory Stick Micro (M2) slot |
| Networks | UMTS 2100, GSM 900, GSM 1800, GSM 1900 |
| Connectivity | CSD, HSCSD, GPRS, W-CDMA, Bluetooth 2.0 + EDR, IrDA, USB (with Mass Storage Mode support) |
| Physical size | 106 x 47 x 20 mm |
| Weight | 115g |
The Sony Ericsson K800i, and its variant, the Sony Ericsson K790, are mobile phones of their class from Sony Ericsson. Launched in July 2006 (for the K800i in the UK market; others may vary), the phones are the successor to the Sony Ericsson K750i. Both of the phones feature a 3.2 megapixel digital camera complete with a xenon flash, a protective lens cover, and a new "BestPic" bracketing feature, and are the first to be tagged with the Sony Cyber-shot branding. The new "BestPic" feature takes 9 full quality snapshots of a subject in quick succession, allowing the user to choose the best shots from them. On the entertainment front, the phones have a media player supporting MP3, AAC/AAC+/eAAC+ and WMA music files and 3GP/MPEG-4 video files. The phones also feature a RDS FM radio, and a Memory Stick Micro (M2) slot for expandable solid state memory (up to 4GB). It is the phone used by James Bond in the 2006 Casino Royale film.[1]
The difference between the two phones is that the K790 supports GSM and EDGE, while the K800 supports UMTS and GSM. As a result, the K800i features a QCIF (176X144) resolution front-mounted camera for 3G video conferencing. According to the official Sony Ericsson specifications (to be found on their website), the K800's talk time drops steeply from around 7 hours when using GSM to about 2 hours 30 minutes whilst using UMTS. A modified version of the K800i, the Sony Ericsson K810, is available since Q2 2007.
Sony Ericsson K310
 | |
| Screen | 128x160 pixels, 65,536 Colour UBC LCD |
|---|---|
| Ringtone | Polyphonic Sound 40 voices, Real tone (MP3) |
| Memory | 15MB Internal Memory |
| Networks | GSM 900, GSM 1800, GSM 1900 |
| Connectivity | IrDA, USB, GPRS |
| Physical size | 101 x 44 x 17 mm |
| Weight | 82g |
The Sony Ericsson K310, released in 2006, is a mobile phone manufactured by Sony Ericsson. This article also covers the K320 and K330.
It is a mid-range phone containing all the features of a high-end phone like its predecessor K300, with upgraded 15MB memory rather than 12MB on K300 and comes with improved design and display.
Sony Ericsson K750
 | |
The Sony Ericsson K750i, introduced in June 2005, was a high-end mobile phone, the successor to the now discontinued K700, and which was succeeded by the K800i in Q2 200
The K750i is a candybar style phone that weighs 99 grams (3.5 ounces), with its buttons that can be used with any finger. It has the 'dual-front' design common to most Sony Ericsson mobile phones since the T610, with the back of the mobile phone designed like a digital camera and intended to be held sideways to take photographs. The K750i is available in four colours, Blue, Oxidized Black, metallic red and Blasted Silver (the latter of which is exclusive to Vodafone in the United Kingdom) with a red version later released. The central joystick button is used for selecting options and navigating menus, with the "C" button as an 'undo' or 'delete' button, and the arrow-labelled button as a 'return' or 'back' button. The two buttons labelled by white horizontal lines, known as 'hotkeys' or 'soft keys' perform the function of making binary decisions, labelled on the phone's display. The button in between of these 'soft keys' acts as a shortcut key, which brings up a user-customisable shortcut menu when pressed. The on/off button is located on the top of the phone next to the IrDA port.
There is one side key on the left of the phone; when pressed in standby mode, it opens either the RDS FM radio or the Media Player as selected by the user, allowing playback of WAV/MP3/AAC audio files, and 3GP/MPEG-4 video files. The RDS FM radio has 20 user-configurable presets. The phone also features Sony's Mega Bass technology. A press of this button in media player mode plays or pauses the selected media. The left-hand side of the phone also houses the Memory Stick PRO Duo slot for external solid state memory, which is protected by a flexible rubber cover.
On the right-hand side of the phone there are three keys - two for controlling volume, skipping through tracks in the Media Player and zooming in and out when in camera mode. If the button is pressed when the headset isn't attached the phone displays a phone status screen showing profile, memory usage, battery level, and, on some mobile networks, phone number. The included handsfree headset is also required to listen to the radio since it functions as the antenna.
Devices
The Devices division is responsible for developing and managing Nokia's mobile device portfolio, including the sourcing of components, headed by Kai Öistämö.[95] The division cosists of the previous mainline Mobile Phones division with the separate subdivisions Multimedia (Nseries devices) and Enterprise Solutions (Eseries devices) as well as formerly centralized core devices R&D – called Technology Platforms.
This division provides the general public with mobile voice and data products across a wide range of mobile devices, including high-volume, consumer oriented mobile phones and devices, and more expensive multimedia and enterprise-class devices. The devices are based on GSM/EDGE, 3G/W-CDMA and CDMA cellular technologies. Nokia's Nseries Multimedia Computers extensively uses Symbian OS.
In the first quarter of 2006 Nokia sold over 15 million MP3 capable mobile phones, which means that Nokia is not only the world's leading supplier of mobile phones and digital cameras (as most of Nokia's mobile telephones feature digital cameras, it is also believed that Nokia has recently overtaken Kodak in camera production making it the largest in the world), Nokia is now also the leading supplier of digital audio players (MP3 players), outpacing sales of devices such as the iPod from Apple. At the end of the year 2007, Nokia managed to sell almost 440 million mobile phones which accounted for 40% of all global mobile phones sales
Recent history
On June 19, 2006, Nokia and Siemens AG announced the companies are to merge their mobile and fixed-line phone network equipment businesses to create one of the world's largest network firms, Nokia Siemens Networks.[79] Each company has a 50% stake in the infrastructure company and it is headquartered in Espoo, Finland. The companies predict annual sales of €16 bn and cost savings of €1.5 bn a year by 2010. About 20,000 Nokia employees were transferred to this new company.
On August 8, 2006, Nokia and Loudeye Corp. announced that they have signed an agreement for Nokia to acquire online music distributor Loudeye Corporation for approximately US $60 million.[80] The company has been developing this into an online music service in the hope of using it to generate handset sales. The service is expected to launch in late 2007 and would rival iTunes. Nokia completed the acquisition on October 16, 2006.[81]
In March 2007, Nokia signed a memorandum with Cluj County Council, Romania to open a new plant near the city in Jucu commune.[11][82][83] Moving the production from the Bochum, Germany factory to a low wage country created an uproar in Germany.[84][85]
In May 2007, Nokia announced that its Nokia 1100 handset, with over 200 million units shipped, is the best-selling mobile phone of all time and the world's top-selling consumer electronics product.[86]
In July 2007, Nokia acquired all assets of Twango, the comprehensive media sharing solution for organizing and sharing photos, videos and other personal media.[87][88]
In September 2007, Nokia announced its intention to acquire Enpocket, a supplier of mobile advertising technology and services.[89]
First mobile phones
The technologies that preceded modern cellular mobile telephony systems were the various "0G" pre-cellular mobile radio telephony standards. Nokia had been producing commercial and military mobile radio communications technology since the 1960s. Since 1964, Nokia had developed VHF-radio simultaneously with Salora Oy. In 1966, Nokia and Salora started developing the ARP standard (which stands for Autoradiopuhelin, or "car radio phone"), a car-based mobile radio telephony system and the first commercially operated public mobile phone network in Finland. It went online in 1971 and offered 100% coverage in 1978.[40]
In 1979, the merger of these two companies resulted in the establishment of Mobira Oy. Mobira began developing mobile phones for the NMT (Nordic Mobile Telephony) network standard, the first-generation, first fully-automatic cellular phone system that went online in 1981.[41] In 1982, Mobira introduced its first car phone, the Mobira Senator for NMT-450 networks.[41]
Nokia bought Salora Oy in 1984 and now owning 100% of the company, changed the company's telecommunication branch name to Nokia-Mobira Oy. The Mobira Talkman, launched in 1984, was one of the world's first transportable phones. In 1987, Nokia introduced one of the world's first handheld phones, the Mobira Cityman 900 for NMT-900 networks (which offered a better signal, yet a shorter roam). While the Mobira Senator of 1982 had weighed 9.8 kg (22 lb) and the Talkman just under 5 kg (11 lb), the Mobira Cityman weighed only 800 g (28 oz) with the battery and had a price tag of 24,000 Finnish marks (approximately €4,560).[43] Despite the high price, the first phones were almost snatched from the sales assistants’ hands. Initially, the mobile phone was a "yuppie" product and a status symbol.[23]
Nokia's mobile phones got a big publicity boost in 1987, when Soviet leader Mikhail Gorbachev was pictured using a Mobira Cityman to make a call from Helsinki to his communications minister in Moscow. This led to the phone's nickname of the "Gorba".[43]
In 1988, Jorma Nieminen, resigning from the post of CEO of the mobile phone unit, along with two other employees from the unit, started a notable mobile phone company of their own, Benefon Oy (since renamed to GeoSentric). One year later, Nokia-Mobira Oy became Nokia Mobile Phones.
Friday, April 17, 2009
History
The first smartphone was called Simon; it was designed by IBM in 1992 and shown as a concept product[10] that year at COMDEX, the computer industry trade show held in Las Vegas, Nevada. It was released to the public in 1993 and sold by BellSouth. Besides being a mobile phone, it also contained a calendar, address book, world clock, calculator, note pad, e-mail, send and receive fax, and games. It had no physical buttons to dial with. Instead customers used a touch-screen to select phone numbers with a finger or create facsimiles and memos with an optional stylus. Text was entered with a unique on-screen "predictive" keyboard. By today's standards, the Simon would be a fairly low-end, however its feature set at the time was incredibly advanced.
The Nokia Communicator line was the first of Nokia's smartphones starting with the Nokia 9000, released in 1996. This distinctive palmtop computer style smartphone was the result of a collaborative effort of an early successful and expensive PDA model by Hewlett Packard combined with Nokia's bestselling phone around that time and early prototype models had the two devices fixed via a hinge; the Nokia 9210 as the first color screen Communicator model which was the first true smartphone with an open operating system; the 9500 Communicator that was also Nokia's first cameraphone Communicator and Nokia's first WiFi phone; the 9300 Communicator was the third dimensional shift into a smaller form factor; and the latest E90 Communicator includes GPS. The Nokia Communicator model is remarkable also having been the most expensive phone model sold by a major brand for almost the full lifespan of the model series, easily 20% and sometimes 40% more expensive than the next most expensive smartphone by any major manufacturer.
The Ericsson R380 was sold as a 'smartphone' but could not run native third-party applications.[11] Although the Nokia 9210 was arguably the first true smartphone with an open operating system, Nokia continued to refer to it as a Communicator.
In 2001 RIM released the first BlackBerry which was the first smartphone optimized for wireless email use and has achieved a total customer base of 8 million subscribers by June 2007, of which three quarters are in North America.
Although the Nokia 7650, announced in 2001, was referred to as a 'smart phone' in the media, and is now called a 'smartphone' on the Nokia support site, the press release referred to it as an 'imaging phone'.[12][13][14] Handspring delivered the first widely popular smartphone devices in the US market by marrying its Palm OS based Visor PDA together with a piggybacked GSM phone module, the VisorPhone. By 2002, Handspring was marketing an integrated smartphone called the Treo; the company subsequently merged with Palm primarily because the PDA market was dying but the Treo smartphone was quickly becoming popular as a phone with extended PDA organizer features. That same year, Microsoft announced its Windows CE Pocket PC OS would be offered as "Microsoft Windows Powered Smartphone 2002".[15] Microsoft originally defined its Windows Smartphone products as lacking a touchscreen and offering a lower screen resolution compared to its sibling Pocket PC devices. Palm has since largely abandoned its own Palm OS in favor of licensing Microsoft's WinCE-based operating system now referred to as Windows Mobile.
Smartphone
A smartphone is a mobile phone offering advanced capabilities, often with PC-like functionality. There is no industry standard definition of a smartphone.[1][2] For some, a smartphone is a phone that runs complete operating system software providing a standardized interface and platform for application developers.[3][4] For others, a smartphone is simply a phone with advanced features like e-mail, Internet and e-book reader capabilities, and/or a built-in full keyboard or external USB keyboard and VGA connector. In other words, it is a miniature computer that has phone capability.[5][6]
Growth in demand for smartphones - devices boasting powerful processors, abundant memories, large screens and open operating systems - has outpaced the rest of the mobile phone market for several years.[7]
Contents[hide] |
[edit] Definition
There is no agreement in the industry about what a smartphone actually is and definitions have changed over time.[2] According to David Wood, EVP at Symbian Ltd., "Smart phones differ from ordinary mobile phones in two fundamental ways: how they are built and what they can do."[8] Other definitions put different stresses on these two factors...
"With smart phones its just one evolution in one evolution, so it might that the actual device at some point ... will become even smaller and we will not call it a phone anymore, but it will be integrated ... the deal here is to make the device as invisible as possible, between you, and what you want to do," says Sacha Wunsch-Vincent at the OECD.[9]
Most devices considered smartphones today use an identifiable operating system, often with the ability to add applications (e.g. for enhanced data processing, connectivity or entertainment) - in contrast to regular phones which only support sandboxed applications (like Java games)[citation needed]. These smartphone applications may be developed by the manufacturer of the device, by the network operator or by any other third-party software developer, since the operating system is open.[citation needed].
In terms of features, most smartphones support full featured email capabilities with the functionality of a complete personal organizer. Other functionality might include an additional interface such as a miniature QWERTY keyboard, a touch screen or a D-pad, a built-in camera, contact management, an accelerometer, built-in navigation hardware and software, the ability to read business documents in a variety of formats such as PDF and Microsoft Office, media software for playing music, browsing photos and viewing video clips, internet browsers or even just secure access to company mail, such as is provided by a BlackBerry. One common feature to the majority of the smartphones is a contact list able to store as many contacts as the available memory permits, in contrast to regular phones that has a limit to the maximum number of contacts that can be stored.
Mobile phone form factors
For the musical time structure, see Bar form.
The Bar (or Slab, or Candybar) is a popular electronics form, where the device is a rigid cuboid.[1][2] It is so-named because it resembles a candy bar or slab in size and shape. This form factor is widely used by manufacturers such as Nokia and Sony Ericsson. Bar mobile phones often have the screen and keypad all on one face. Some phones, such as the iPhone, do away with the keys, in favor of a touchscreen.
Although this term usually refers to mobile phones, but can be applied to the whole portable electronics industry. For instance, the PlayStation Portable game console is a slab console, while the Nintendo DS is a flip console.
[edit] Brick
The Brick design is a type of electronics form factor, that refers to a device as being typically bulky.
The term is most often used in reference to brick phones.[3][4][5]
Brick phone designs have largely become unpopular and seen as outdated, since newer technologies have allowed for decreased battery size, and therefore, a slimmer and more portable phone.
Since most brick phones were created at a time when only the Bar phones existed, brick phones are often seen as being almost exclusively a type of Bar phone, but Flip phones, Slide phones, and Swivel phones, can all be brick phones too.
[edit] Flip
The flip or clamshell is an electronics form factor which is in two or more sections that fold via a hinge. Motorola used to have a trademark on the term "flip phone",[6] but the term "flip phone" has become genericized to be used more frequently than "Clamshell" in colloquial speech.
[edit] Slide
For any other meanings of "slide", see Slide.
The Slide is a popular electronics form, where the device is in multiple segments (usually two) that slide past each other.
The form usually refers to mobile phones, as in "slide phones", but is applicable to any such portable electronics device.
Siemens SL55 is the one of first sliding mobile phones in history. Not, Nokia 8800 and 8810 are Soft slide phones, but 8910/i are automatic slide phone.
[edit] Swivel
For any other meanings of "swivel", see Swivel.
The Swivel is a type of electronics form, where the device is in multiple segments (usually two) that swivel past each other around a point.
The form usually refers to mobile phones, as in "swivel phones", but is applicable to any such portable electronics device. Its use is uncommon in most electrical devices. Swivel phones usually place the keyboard on one section, and the screen on another, allowing the keys to swivel under the screen section when not in use.
Flip (form)
The flip or clamshell is an electronics form factor which is in two or more sections that fold via a hinge. Motorola used to have a trademark on the term "flip phone",[1] but the term "flip phone" has become genericized to be used more frequently than "Clamshell" in colloquial speech.
This design is often used in technology, particularly portable devices such as mobile phones, laptop computers, subnotebooks, the Game Boy Advance SP and the Nintendo DS. When the clamshell is open, the device is ready for use. The interface components are kept inside the clamshell, which offers more surface area than when the device is closed. Interface components such as keys and display are protected when the clamshell is closed, and it is less long or wide, making the device easier to carry around.
[edit] History
The form factor was first used by the laptop manufacturer GRiD (who had the patent on the idea at the time) for their Compass model in 1982.[citation needed]
Clamshell design of phones is generally agreed to have been inspired by the Star Trek original series communicator.[2] A key difference, however, is that the grid that opens on the TOS communicator is solely an antenna, according to The Star Trek Star Fleet Technical Manual, while the upper part of the clamshell phone contains much of the functionality of the phone itself (the antenna is either internal or extends from the top of the lower half of the phone).
The first Motorola model to support the clamshell design was the StarTAC,[3] created in 1996, although General Telephone & Electronics (GTE) held the trademark since the 1970s for its Flip Phone[4] (one of the first small hand-held electronic phones), until 1993.[5]. The design has since been copied by virtually all mobile phone manufacturers many times over, and Motorola is still best known for its clamshell models such as the RAZR.
The clamshell design has also been used in the Nokia Communicator series, with the first model released in 1996. Early models were very expensive and Nokia did not adopt the traditional clamshell phone design until 2004[6]
[edit] Uses
Bookbinders build clamshell boxes in which valuable books or loose papers can be protected from light and dust.[citation needed]
The form factor is most closely associated with the mobile phone market, although the design is also used on some landline phones, particularly cordless phones.[citation needed]
Other appliances like pocket watches, sandwich toasters and the George Foreman Grill have long utilised a clamshell design; a very similar concept is used in racing and road legal cars, like the Ford GT40 and Ferrari Enzo, where the whole rear end can be lifted to access the engine compartment and suspension system.
It is also an informal name for General Motors full-size station wagons (manufactured 1971–1976), that featured a complex, two-piece "disappearing" tailgate, officially known as the "Glide Away" tailgate
Social impact
Personal photography allows people to capture and construct personal and group memory, maintain social relationships as well as expressing their identity.[11] Camera phones provide the same opportunities, yet these functions are altered and allow for a different user experience. As mobile phones are constanly carried, camera phones allow for capturing moments at any time. Mobile communication also allows for immediate transmission of content (for example via Multimedia Messaging Services), which cannot be reversed or regulated.
While phones have been found useful by tourists and for other common civilian purposes, as they are cheap, convenient, and portable; they have also posed controversy, as they enable surreptitious photography. A user may pretend to be simply talking on the phone or browsing the internet, drawing no suspicion, and be able to photograph a person or place illegally or against that person's wishes.
As a network-connected device, megapixel camera phones are playing significant roles in crime prevention, journalism and business applications as well as individual uses. They can also be used for activities such as voyeurism, invasion of privacy, and copyright infringement. Because they can be used to share media almost immediately, they are a potent personal content creation tool. On January 17, 2007, New York City Mayor Michael Bloomberg announced a plan to encourage people to use their camera-phones to capture crimes happening in progress or dangerous situations and send them to emergency responders. Through the program, people will be able to send their images or video directly to 911
Camera phone
For the song performed by The Game Feat. Ne-Yo from the album LAX see Camera Phone.
A camera phone is a mobile phone which is able to capture either still photographs or motion video. Today more than half of all mobile phones in use are camera phones.[citation needed]
Contents[hide] |
[edit] History
The camera phone, like many complex systems, is the result of converging and enabling technologies. There are dozens of relevant patents dating back as far as the 1960s. Compared to digital cameras of the 90s, a consumer-viable camera in a mobile phone would require far less power and a higher level of camera electronics integration to permit the miniaturization. The CMOS active pixel image sensor "camera-on-a-chip" developed by Dr. Eric Fossum and his team in the early 1990s achieved the first step of realizing the modern camera phone as described in a March 1995 Business Week article. While the first camera phones, as successfully marketed by J-Phone in Japan, used CCD sensors and not CMOS sensors, more than 90% of camera phones sold today use CMOS image sensor technology.
The first wireless picturephone prototype known as intellect, developed in 1993 by inventor Daniel A. Henderson[1], was received by the Smithsonian National Museum of American History in 2007[2]. This pioneering system and device was designed to receive pictures and video data sent from a message originator to a message center for transmission and display on a wireless device such as a cellular telephone [3]. However, the integration of the cellular phone, the digital camera and a wireless internet infrastructure would take a few more years.
Over the years there have been many video phones and cameras that include communications technologies. None of them had focused on the integration with the wireless Internet which would allow instant media sharing with anyone anywhere. Such experiments include, for example, a device that was known as the Apple Videophone/PDA in 1995.[4]. There were several digital cameras with cellular phone transmission capability shown by companies such as Kodak, Olympus in the early 90s[5] There was also a digital camera with cellular phone designed by Shosaku Kawashima of Canon in Japan in May 1997.[6]
On June 11, 1997, Philippe Kahn instantly shared the first pictures from the maternity ward where his daughter Sophie was born, with more than 2000 family, friends and associates around the world. A sharing infrastructure and an integrated cell-phone and camera combo augured the birth of instant visual communications. [7][8]
In Japan, two competing projects were run by Sharp and Kyocera in 1997. Both had cell phones with integrated cameras. However, the Kyocera system was designed as a peer-to-peer video-phone as opposed to the Sharp project which was initially focused on sharing instant pictures. That was made possible when the Sharp devices was coupled to the Sha-mail infrastructure designed in collaboration with American technologist, Kahn. The Kyocera team was led by Mr. Kazumi Saburi.[9][10]
The first commercial camera phone complete with infrastructure was the J-SH04, made by Sharp Corporation, had an integrated CCD sensor, with the Sha-Mail (Picture-Mail in Japanese) infrastructure developed in collaboration with Kahn's LightSurf venture, and marketed from 2001 by J-Phone in Japan today owned by Softbank. The first commercial deployment in North America of camera phones was in 2002. The Sprint wireless carriers deployed over 1 million camera phone manufactured by Sanyo and launched by the PictureMail infrastructure (Sha-Mail in English) developed and managed by LightSurf.
Like most complex technology-based systems, there are several patents and technologies relevant to aspects of the camera phone. The advent of the CMOS sensor is an enabling technology for mass production.
Camera phones can share pictures instantly and automatically via a sharing infrastructure integrated with the carrier network, thus negating the need for connecting cables or removable media to transfer pictures. Some camera phones use CMOS image sensors, due largely to reduced power consumption compared to CCD type cameras, which are also used. The lower power consumption prevents the camera from quickly depleting the phone's battery. Images are usually saved in the JPEG file format, and the wireless infrastructure manages the sharing. The sharing infrastructure is critical and explains the early successes of J-Phone and DoCoMo in Japan as well as Sprint and other carriers in the United States and the widespread success worldwide.
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