Communications: electrical – Digital comparator systems
Patent
1976-11-15
1979-06-05
Yusko, Donald J.
Communications: electrical
Digital comparator systems
70264, H04Q 900, E05B 4900
Patent
active
041575342
ABSTRACT:
The disclosure relates to a locking mechanism and a related control system. It is intended for use in hotels and other private and public buildings which require a high degree of security, and which also make keys available to the general public, or to persons whose reliability is unknown. The system includes a plurality of expendable self-powered key elements each defining an individual code, a validator element under the control of hotel desk personnel for assigning the codes to specific rooms at checkin time, memory means at each room receiving information from the validator element and comparator means for comparing the information received from the validator element with the code on the assigned key for a match prior to activating the lock mechanism. The validator element cancels the memory means at the individual room at checkout time upon surrender of the key, or, in the event the guest leaves taking the key with him, the key can be invalidated by the assignment of a new code. The power source on the key is used to actuate the lock opening means, thereby eliminating the necessity of separate power means at the room door.
REFERENCES:
patent: 3800284 (1974-03-01), Zucker et al.
patent: 3848229 (1974-11-01), Perron et al.
patent: 3859634 (1975-01-01), Perron et al.
patent: 3911397 (1975-10-01), Freeny, Jr.
patent: 3944976 (1976-03-01), France
Temko Charles E.
Yusko Donald J.
LandOfFree
Locking system for hotels does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Locking system for hotels, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking system for hotels will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1709761