None had been invented, so it made telegraphic apparatus, burglar-alarms, electric pens, and other such things.

"More specifically, Samsung's new optical system may include at least one lens or a plurality of lenses on the first region of the electric pen device to pass external light that enters through an optical entering unit that is formed through a housing or a cover of the electric pen device," the report says.

At some point a previous owner used an electric pen to put his social security number on the frame.

London, Nov 9 (ANI): A rare Edison Electric Pen invented by Thomas Alva Edison, which is a first to have an electric motor, is to go under the hammer.

Photos and diagrams reprise Edison's dynamo, ore separator, electric pen, and magic lantern.

Longoria cited programs that patch pilots with ground controllers via PDAs, giving them the ability to share photos, images and even electric pen markings (similar in style to those used by football commentators) in near real time.

From the stock ticker to cement to an electric pen to the phonograph, Edison was both a scientific genius and someone who could be confused as one of his employees, since he often dressed in work clothes.

There's much to the catalog that makes for fascinating browsing -- for example, Item 13.3, the Edison Electric Pen, contains detailed instructions for making one's own wet cell battery for power, with materials appropriate for end-of-the-l9th-century technology.

Information gathered by inspectors at construction sites is recorded on pen computers with either an electric pen or an attached keyboard.

The user touches a keyboard-like tablet with an electric pen held in his mouth.