The memory506may be of one or more types, such as a solid-state variety, electromagnetic variety, optical variety, or a combination of these forms. Furthermore, the memory506can be volatile, nonvolatile, or a combination of these types, and some or all of memory506can be of a portable ...
4893852Dual sensor electromagnetic door lock system1990-01-16Harris250/342 4875722Exit device actuator and dogger1989-10-24Miller292/92 4871204Touch bar release locking system1989-10-03Cook292/251.5 4324425Point-of-egress control device for securing exit doors safely1982-04-13Logan292/201 ...
The memory 506 may be of one or more types of non-transitory computer-readable media, such as a solid-state memory, electromagnetic memory, optical memory, or a combination thereof. Furthermore, the memory 506 may be volatile and/or nonvolatile and, in some embodiments, some or all of the...
6487884Electrically controlled lock2002-12-03Constantinou 20020144526On electronic lock2002-10-10Ming Chih 6354121Mortise lockset with internal clutch2002-03-12Frolov 5884515Electromagnetic clutch for electronic locks1999-03-23Milman192/84.21 5628216Locking device1997-05-13Qureshi et al. ...
The memory1206may be of one or more types, such as a solid-state variety, electromagnetic variety, optical variety, or a combination of these forms. Furthermore, the memory1206can be volatile, nonvolatile, or a combination of these types, and some or all of memory1206can be of a portable...