Variation coded electro-mechanical lock and method of using same

Details Variation coded electro-mechanical lock and method of using same Variation coded electro-mechanical lock and method of using same

1997-06-03

1999-02-02

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082534, 340543, 340636, 235382, 2353825, 307 104, 307 105, 320148, H04N 1100

Patent

active

058671072

ABSTRACT:
A battery powered electro-mechanical lock and method of actuating it under normal battery voltage level condition an access variation arrangement enables the lock to be opened upon the single entry of a correct access code and under low battery voltage levels conditions another access variation arrangements, which prevents the lock from being opened unless the user enters the correct access code N number of times, where N is between 2 and 24.

REFERENCES:
patent: 3475061 (1969-10-01), Steinkamp et al.
patent: 3710136 (1973-01-01), Contable et al.
patent: 4019355 (1977-04-01), Germanton
patent: 4148092 (1979-04-01), Martin
patent: 4220022 (1980-09-01), Willach
patent: 4457148 (1984-07-01), Johansson et al.
patent: 4493001 (1985-01-01), Sheldrake
patent: 4514731 (1985-04-01), Falck et al.
patent: 4633687 (1987-01-01), Fane
patent: 4665727 (1987-05-01), Uyeda
patent: 4669394 (1987-06-01), Fogleman et al.
patent: 4727301 (1988-02-01), Fulks et al.
patent: 4736970 (1988-04-01), McGourty et al.
patent: 4745784 (1988-05-01), Gartner
patent: 4754625 (1988-07-01), McGourtney et al.
patent: 4762212 (1988-08-01), Fish et al.
patent: 4770012 (1988-09-01), Johansson et al.
patent: 4799371 (1989-01-01), Duncan
patent: 4831851 (1989-05-01), Larson
patent: 4838052 (1989-06-01), Williams et al.
patent: 4887445 (1989-12-01), Beatty
patent: 4899562 (1990-02-01), Gartner et al.
patent: 4901545 (1990-02-01), Bacon et al.
patent: 4904984 (1990-02-01), Gartner et al.
patent: 4926664 (1990-05-01), Gartner et al.
patent: 4929880 (1990-05-01), Henderson et al.
patent: 4956985 (1990-09-01), Kim
patent: 4967577 (1990-11-01), Gartner et al.
patent: 5058404 (1991-10-01), Fish et al.
patent: 5061923 (1991-10-01), Miller et al.
patent: 5134870 (1992-08-01), Uyeda et al.
patent: 5437174 (1995-08-01), Aydin

Affiliated with

Also associated with

Rating

Variation coded electro-mechanical lock and method of using same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variation coded electro-mechanical lock and method of using same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variation coded electro-mechanical lock and method of using same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1121140