The patent was invalidated in May 2004 due to prior art developed at Bell Laboratories in 1982. Pilot Pen Corporation vs.
Handspring and Palm (2001) – In 1987, NCR was granted a patent for a portable e-commerce terminal.
Palm Computing (1997) – In 1997, Xerox was granted covering the "Unistroke" input system developed by David Goldberg, Xerox PARC in 1993.
Palm OS (also known as Garnet OS) is a discontinued mobile operating system initially developed by Palm, Inc., for personal digital assistants (PDAs) in 1996.
Designed in 1996 for Palm Computing, Inc.'s new Pilot PDA, it has been implemented on a wide array of mobile devices, including smartphones, wrist watches, handheld gaming consoles, barcode readers and GPS devices. Palm OS versions earlier than 5.0 run on Motorola/Freescale DragonBall processors.
It was introduced in March 1996. Version 1.0 features the classic PIM applications Address, Date Book, Memo Pad, and To Do List.
The latest bugfix release is version 1.0.7. ===Palm OS 2.0=== Palm OS 2.0 was introduced on March 10, 1997 with the PalmPilot Personal and Professional.
Palm Computing (1997) – In 1997, Xerox was granted covering the "Unistroke" input system developed by David Goldberg, Xerox PARC in 1993.
The last bugfix release is version 2.0.5. Two new applications, Mail and Expense are added, and the standard PIM applications have been enhanced. ===Palm OS 3.0=== Palm OS 3.0 was introduced on March 9, 1998 with the launch of the Palm III series.
Microsoft (1998) – In 1998, Microsoft planned to name the next version of their handheld computing platform "Palm PC".
Robotics Corp., which in turn was later bought by 3Com, which made the Palm subsidiary an independent publicly traded company on March 2, 2000. In January 2002, Palm set up a wholly owned subsidiary to develop and license Palm OS, which was named PalmSource.
Palm, Microsoft and HP (2000) – In 2000, E-Pass Technologies filed suit against Palm, alleging that its handhelds infringed on an E-Pass's patent (#5,276,311) for a multi-function, credit card-sized computer that allows users to securely store account numbers, PIN codes, etc. NCR vs.
This included Palm's Web Clipping software, MultiMail (which was later renamed to VersaMail) Version 2.26 e-mail software, handPHONE Version 1.3 SMS software, and Neomar Version 1.5 WAP browser. ===Palm OS 4.0=== Palm OS 4.0 was released with the new Palm m500 series on March 19, 2001.
In 2001, NCR sued Handspring and Palm.
Robotics Corp., which in turn was later bought by 3Com, which made the Palm subsidiary an independent publicly traded company on March 2, 2000. In January 2002, Palm set up a wholly owned subsidiary to develop and license Palm OS, which was named PalmSource.
No device has been manufactured with this version up to now. ===Palm OS 5.0=== Palm OS 5.0 was unveiled by the Palm subsidiary PalmSource in June 2002 and first implemented on the Palm Tungsten T.
This case was ruled without merit in 2002, a decision that was upheld on appeal. RIM vs.
Handspring (2002) – In 2002, Research In Motion (makers of the BlackBerry), sued Handspring.
Palm (2002) – Also in 2002, Peer-to-Peer systems filed lawsuit against Palm that alleges Palm infringed on its patent for wireless gaming.
(2004) – Starting in 2002, Forgent Networks began offering licenses for a patent that encumbers JPEG.
PalmSource was then spun off from Palm as an independent company on October 28, 2003.
The OS can be customized with different color schemes. For Palm OS 5, PalmSource developed and licensed a web browser called PalmSource Web Browser based on ACCESS' NetFront 3.0 browser. Palm OS 5.2 is mainly a bugfix release, first implemented in the Samsung SGH-i500 in March 2003.
The last bugfix release is version 5.2.8. Palm OS 5.3 Simplified Chinese Edition released in September 2003, added full Simplified Chinese support, further support for QVGA resolutions, and a standard API for virtual Graffiti called Dynamic Input Area.
It first shipped on the Treo 650 in November 2004.
It was introduced on February 10, 2004, but is no longer offered by ACCESS (see next section).
Although PalmSource shipped Palm OS Cobalt 6.0 to licensees in January 2004, none adopted it for release devices.
PalmSource made major improvements to Palm OS Cobalt with the release of Palm OS Cobalt 6.1 in September 2004 to please licensees, but even the new version did not lead to production devices. In December 2004, PalmSource announced a new OS strategy.
The patent was invalidated in May 2004 due to prior art developed at Bell Laboratories in 1982. Pilot Pen Corporation vs.
In 2004, it filed suit against various companies, including palmOne.
Palm (then called palmOne) became a regular licensee of Palm OS, no longer in control of the operating system. In September 2005, PalmSource announced that it was being acquired by ACCESS. In December 2006, Palm gained perpetual rights to the Palm OS source code from ACCESS.
Together with the May 2005 acquisition of full rights to the Palm brand name, only Palm can publish releases of the operating system under the name 'Palm OS'. As a consequence, on January 25, 2007, ACCESS announced a name change to their current Palm OS operating system, now titled Garnet OS. ==OS overview== Palm OS was a proprietary mobile operating system.
This strategy was revised in June 2005, when still no device with Palm OS Cobalt was announced.
This lawsuit was settled as of February 9, 2005. Forgent Networks vs.
Palm (then called palmOne) became a regular licensee of Palm OS, no longer in control of the operating system. In September 2005, PalmSource announced that it was being acquired by ACCESS. In December 2006, Palm gained perpetual rights to the Palm OS source code from ACCESS.
PalmSource announced it was halting all development efforts on any product not directly related to its future Linux based platform. With the acquisition of PalmSource by ACCESS, Palm OS for Linux was changed to become the Access Linux Platform which was first announced in February 2006.
The more "advanced" desktop version saves the Memo pad drawings to the desktop. As of 2006, most new Palm handhelds include Photos, which creates a digital photo album used to view pictures on a Palm OS device.
In 2007, ACCESS introduced the successor to Garnet OS, called Access Linux Platform; additionally, in 2009, the main licensee of Palm OS, Palm, Inc., switched from Palm OS to webOS for their forthcoming devices. ==Creator and ownership== Palm OS was originally developed under the direction of Jeff Hawkins at Palm Computing, Inc.
Together with the May 2005 acquisition of full rights to the Palm brand name, only Palm can publish releases of the operating system under the name 'Palm OS'. As a consequence, on January 25, 2007, ACCESS announced a name change to their current Palm OS operating system, now titled Garnet OS. ==OS overview== Palm OS was a proprietary mobile operating system.
This version is dedicated for use inside the Garnet VM virtual machine. Garnet VM was announced and released by ACCESS in November 2007 as a core part of the Access Linux Platform and as an emulator allowing Nokia Internet Tablets to run applications written for the Garnet OS.
The initial versions of the platform and software development kits for the Access Linux Platform were officially released in February 2007.
As of 2008, there were more than 50,000 third-party applications available for the Palm OS platform, which have various licensing types, including open-source, and various closed licensing schemes such as freeware, shareware, and traditional pay-up-front purchase. HackMaster is an extension manager for Palm OS that includes several patches improving OS features.
A Java Virtual Machine was previously available for the Palm OS platform, however on 12 January 2008, Palm, Inc.
In 2007, ACCESS introduced the successor to Garnet OS, called Access Linux Platform; additionally, in 2009, the main licensee of Palm OS, Palm, Inc., switched from Palm OS to webOS for their forthcoming devices. ==Creator and ownership== Palm OS was originally developed under the direction of Jeff Hawkins at Palm Computing, Inc.
On February 11, 2009, Palm CEO Ed Colligan said there would be no additional Palm OS devices (excepting the Centro being released to other carriers).
On April 1, 2009, Palm announced the availability of a Palm OS emulator for its webOS. ==Built-in applications== Palm OS licensees decide which applications are included on their Palm OS devices.
In June 2010, ACCESS release Garnet VM version 6 (a.k.a.
As of January 2011, the Access Linux Platform had then yet to ship on any devices, however development kits then existed and public demonstrations had been showcased. Palm, Inc.
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