Traditionally, interfacing a microcontroller with an n-by-m keypad required n + m of the microcontroller's I/O pins for keypad scanning. Keypad designs that conserve microcontroller pins have been ...

John E. Karlin, the original creator of all-digit dialing as we know it today, passed away at the age of 94, The New York Times reports. He is credited with designing the keypad we now use every day ...

The 12 button keypad is a 50 year old design that remains on 95% of phones sold today. It serves as a barrier to discovery, access and use of wireless devices and mobile data services. Fastap keypad ...

October 15, 2008 "SENS", from Takumi Yoshida, is a mobile phone design catering for those with visual impairment including complete blindness. The phone assists visually impaired users through a ...

The lamps provide uniform backlighting directly-under each key without affecting the tactile feel of actuation. The lamps feature a durable rubber composition that reportedly survives over a million ...

A light guide transmits light with high uniformity and minimal loss from an LED light source to a particular area away from its light source. Light guides are made from optical grade material such as ...

Salto Systems, part of SALTO WECOSYSTEM, is thrilled to announce the launch of the new Design XS Keypad Wall Reader series. Designed for ease of use for both physical credentials and mobile access, ...