Data communication apparatus, wristwatch type electronic...

Data transmission apparatus having a fingerprint reader and...

Data transmission system and components thereof

Data transmission system using a human body as a signal...

Data transmission system using a human body as a signal...

Data transmitting and receiving method and portable...

Dealer remote transmitter with time limited operability

Delivery receptacle for goods comprising a code lock

Detecting redirection during data transmission

Detector and lock controller using same

Detector and lock controller using same

Detector for use in acoustic holography

Device and method for identifying a user of a medical device

Device and method for securing a motor vehicle against...

Device enrollment in a security system

Device for controlling a locking system fitted with a clock...

Device for controlling a security device

Device for giving information to vehicle, vehicle and method...

Device for identifying authorization and triggering,...

Device for improving the security of an access system...