Programmable key for a security system for protecting...

Details Programmable key for a security system for protecting... Programmable key for a security system for protecting...

2006-12-14

2010-06-15

Mullen, Thomas J (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S005250, C340S693500, C340S815450

Reexamination Certificate

active

07737845

ABSTRACT:
A programmable key for use in a security system for protecting items of merchandise has a housing, a power supply mounted in the housing, a logic control circuit which includes a controller, a wireless communication circuit and a security disarm code (SDC) memory. The key has visual indicators such as an LED which is operatively connected to the logic control circuit and pulsed to indicate the state of the SDC. The control circuit includes a timer which has a preset time limit programmed therein, which invalidates the stored SDC if not refreshed by a remote programming source within a certain time period. The logic circuit further includes a counter which counts the number of activations of a control switch, and which permanently deactivates the control circuit upon reaching a certain count value to ensure that the internal battery has sufficient power to maintain the key operational. The wireless communication circuit preferably is infrared (IR) or radio frequency (RF) controlled.

REFERENCES:
patent: 3493955 (1970-02-01), Minasy
patent: 4573042 (1986-02-01), Boyd et al.
patent: 4686513 (1987-08-01), Farrar et al.
patent: 4800369 (1989-01-01), Gomi et al.
patent: 4851815 (1989-07-01), Enkelmann
patent: 4853692 (1989-08-01), Wolk et al.
patent: 4926665 (1990-05-01), Stapley et al.
patent: 4980671 (1990-12-01), McCurdy
patent: 5005125 (1991-04-01), Farrar et al.
patent: 5182543 (1993-01-01), Siegel et al.
patent: 5245317 (1993-09-01), Chidley et al.
patent: 5367289 (1994-11-01), Baro et al.
patent: 5570080 (1996-10-01), Inoue et al.
patent: 5589819 (1996-12-01), Takeda
patent: 5610587 (1997-03-01), Fujiuchi et al.
patent: 5640144 (1997-06-01), Russo et al.
patent: 5656998 (1997-08-01), Fujiuchi et al.
patent: 5701828 (1997-12-01), Benore et al.
patent: 5764147 (1998-06-01), Sasagawa et al.
patent: 5767773 (1998-06-01), Fujiuchi et al.
patent: 5793290 (1998-08-01), Eagleson et al.
patent: 5808548 (1998-09-01), Sasagawa et al.
patent: 5838234 (1998-11-01), Roulleaux-Robin
patent: 5864290 (1999-01-01), Toyomi et al.
patent: 5955951 (1999-09-01), Wischerop et al.
patent: 5982283 (1999-11-01), Matsudaira et al.
patent: 6020819 (2000-02-01), Fujiuchi et al.
patent: 6037879 (2000-03-01), Tuttle
patent: 6043744 (2000-03-01), Matsudaira
patent: 6104285 (2000-08-01), Stobbe
patent: 6118367 (2000-09-01), Ishii
patent: 6137414 (2000-10-01), Federman
patent: 6144299 (2000-11-01), Cole
patent: 6255951 (2001-07-01), De La Huerga
patent: 6275141 (2001-08-01), Walter
patent: 6304181 (2001-10-01), Matsudaira
patent: 6346886 (2002-02-01), De La Huerga
patent: 6384711 (2002-05-01), Cregger et al.
patent: 6420971 (2002-07-01), Leck et al.
patent: 6433689 (2002-08-01), Hovind et al.
patent: 6474117 (2002-11-01), Okuno
patent: 6512457 (2003-01-01), Irizarry et al.
patent: 6531961 (2003-03-01), Matsudaira
patent: 6535130 (2003-03-01), Nguyen et al.
patent: 6961000 (2005-11-01), Chung
patent: 7102509 (2006-09-01), Anders et al.
patent: 2002/0024440 (2002-02-01), Okuno
patent: 2003/0058083 (2003-03-01), Birchfield
patent: 8279082 (1996-10-01), None

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