US2015341336A1
|
|
System for authorization of access
|
US2014235302A1
|
|
Attachable mobile phone keypad device
|
US2011211683A1
|
|
Method and device by telephone entry systems
|
EP2141663A2
|
|
Method for credentialing mechanical keys and associated devices
|
WO2008091189A1
|
|
Method and device to control certain functioning of a multiplier/bait casting reel
|
EP0708417A1
|
|
Method and device for obtaining travel tickets
|
WO9213418A1
|
|
Method fro signalling/communication within an entrance telephone system and an entrance telephone system communicating according to the method
|
SE8503209D0
|
|
PROCEDURE FOR SIGNAL PROCESSING AT A PORT-PHONE PLANT INTENDED TO BE CONNECTED TO AN GENERAL PHONE
|
EP0182780A1
|
|
Entrance telephone installation and method, for transmission of alarm signals.
|
SE8201162L
|
|
Alarm transmission system for e.g. lift - uses door telephone and subscriber telephone circuit to ring selected telephone number when alarm sounds
|
SE8102530L
|
|
Sound communication system interference prevention method
|
US3947641A
|
|
Use of public subscriber telephone network; method and apparatus
|