Digital key system

Details Digital key system Digital key system

1977-11-23

1979-03-13

Yusko, Donald J.

Communications: electrical

Digital comparator systems

340147MD, 361172, 365 96, E05B 4900, H04Q 300, E05H 4700

Patent

active

041445236

ABSTRACT:
A digital key system is disclosed which includes a programmable read only memory which is automatically programmed with the code for unlocking the system during initial removal of the key from the lock.

REFERENCES:
patent: 3761892 (1973-09-01), Bosnyak et al.
patent: 3821704 (1974-06-01), Sabsay
patent: 3846756 (1974-11-01), Schmitz

Affiliated with

Also associated with

Rating

Digital key system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital key system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital key system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2373908