Martyn WilliamsSenior U.S. Correspondent, IDG News Service Follow me on Google+

Martyn Williams covers mobile telecommunications, Silicon Valley, and general technology breaking news for the IDG News Service, and is based in San Francisco.

Microsoft previews Windows Phone 8

Seeking to drive greater compatibility between smartphones and PCs, Microsoft is planning to base its upcoming Windows Phone 8 OS on the same OS core as its desktop and laptop computers.

By the numbers: Microsoft's Surface vs. Apple's iPad

Here's a quick overview of how the specs compare between the iPad and Microsoft's newly announced Surface tablet.

Microsoft previews Surface tablet

Microsoft took a bold step into the tablet market on Monday with the unveiling of a computer aimed squarely at bettering Apple's market-leading iPad.

Ricoh to buy Pentax, set sights on digital SLR market

Japan's Ricoh plans to acquire Pentax as part of a push to get into the digital single-lens reflex camera market, it said Friday.

Sandisk updates SSD line with SATA III models

Sandisk has updated its line of solid-state drives (SSDs) for tablet and portable computers with models that feature higher performance.

Sharp develops super high-def screen for future TV

Japan's Sharp has developed an 85-inch LCD (liquid crystal display) panel with resolution equivalent to 16 times that of today's HDTV panels.

Sony to launch two Android tablets later this year

Sony plans to launch two models of Android tablets in the fall, marking the company's long-awaited entry into the tablet PC market.

Sony delays launch of 3D camcorder due to parts shortage

Sony is delaying the launch of its 3D Handycam video camera by roughly a month due to difficulty securing parts following the March 11 earthquake in Japan.

Samsung to sell HDD unit to Seagate in $1.4B deal

Samsung Electronics will sell its hard-disk drive operations to Seagate Technology in a $1.375 billion deal that will create strong links between the two companies.

Person Finder a personal success for one Google worker

A Google product manager who had been working on deployment of that company's Person Finder service was able to use it to confirm the safety of loved ones after last month's Japanese earthquake and tsunami.

Sony restarts more quake-hit plants, supply problems remain

Sony has partially resumed production at all but two of its factories that were hit by the March 11 massive earthquake in Japan.

Panasonic, NEC reopen some plants halted after Japan quake

Panasonic and NEC restarted production on Wednesday at some factories that had been halted after a major earthquake hit eastern Japan on March 11.

Report: US regulators interested in Apple subscriptions

U.S. regulators are looking at the conditions Apple has set for media companies that want to distribute subscription content through the App Store, according to a Wall Street Journal report.

Sony unveils professional OLED monitors

Sony will soon begin selling a professional monitor that contains the largest commercial organic light-emitting diode (OLED) screen yet produced.

iPhone attack reveals passwords in six minutes

Researchers in Germany say they've been able to reveal passwords stored in a locked iPhone in just six minutes and they did it without cracking the phone's passcode.