Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate
1998-08-20
2001-05-29
Horabik, Michael (Department: 2632)
Communications: electrical
Selective
Intelligence comparison for controlling
C070S278200, C340S005600, C340S005650
Reexamination Certificate
active
06239689
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electronic door unlocking system and more particularly pertains to unlocking a door with an electromagnet and a computerized sensor assembly and computerize.
2. Description of the Prior Art
The use of door locks of known designs and configurations is known in the prior art. More specifically, door locks of known designs and configurations heretofore devised and utilized for the purpose of unlocking doors through known methods and apparatuses are known to consist basically of familiar, expected, and obvious structural configurations, notwithstanding the myriad of designs encompassed by the crowded prior art which has been developed for the fulfillment of countless objectives and requirements.
By way of example, U.S. Pat. No. 5,179,325 to Aragon, Jr. discloses a Touch-Sensitive Illuminable Door Lock. U.S. Pat. No. 4,745,527 to Belverio, Jr. et al. discloses an Illuminated Door Lock Scratch Guard. U.S. Pat. No. 4,777,570 to Littles discloses an Illuminated Doorknob Lock. U.S. Pat. No. 4,295,350 to Grinage discloses a Keyhole Sighter. Lastly, U.S. Pat. Des. No. 338,735 to Gladhill discloses a Battery Powered Light for a Door Knob.
In this respect, the electronic door unlocking system according to the present invention substantially departs from the conventional concepts and designs of the prior art, and in doing so provides an apparatus primarily developed for the purpose of unlocking a door with an electromagnet and a computerized sensor assembly and computerized key.
Therefore, it can be appreciated that there exists a continuing need for a new and improved electronic door unlocking system which can be used for unlocking a door with an electromagnet and a computerized sensor assembly and computerized key. In this regard, the present invention substantially fulfills this need.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the known types of door locks of known designs and configurations now present in the prior art, the present invention provides an improved electronic door unlocking system. As such, the general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new and improved electronic door unlocking system and method which has all the advantages of the prior art and none of the disadvantages.
To attain this, the present invention essentially comprises a new and improved electronic door unlocking system for unlocking a door with an electromagnet and a computerized sensor assembly and computerized key comprises, in combination a door with a knob, lock and axially shiftable dead bolt. The system also comprises a frame that pivotally supports the door with a recess to receive the deadbolt for locking purposes and to unlock the door upon retraction of the deadbolt from the recess. An electromagnet is within the door adjacent to the deadbolt to retract the deadbolt upon energization of the electromagnet and an associated spring to advance the deadbolt into locking orientation with the recess upon a deactivation of the electromagnet. A key is provided with a long part formed with a first computer chip at its free end and a short part spaced from the long part. A sensor assembly is in the door knob and has an interior component with a second computer chip contactable with the first computer chip of the long part of the key. The sensor assembly has an exterior component with a plurality of apertures adapted to allow the passage of the long part therethrough. The interior and exterior components are spaced at a distance essentially equal to the difference of length between the long and short parts of the key. Also provided are electrical lines for coupling the interior and exterior components of the sensor assembly and the electromagnet whereby when the key enters the knob with the long part contacting the interior component and the short part contacting the exterior component and with the second computer chip contacting the first computer chip, the deadbolt will activate the electromagnet to allow opening of the door. Lastly provided is a funnel in the doorknob in advance of the exterior component to effect the guiding of the key into operative position.
There has thus been outlined, rather broadly, the more important features of the invention in order that the detailed description thereof that follows may be better understood and in order that the present contribution to the art may be better appreciated. There are, of course, additional features of the invention that will be described hereinafter and which will form the subject matter of the claims appended hereto.
In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of descriptions and should not be regarded as limiting.
As such, those skilled in the art will appreciate that the conception, upon which this disclosure is based, may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present invention. It is important, therefore, that the claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present invention.
It is therefore an object of the present invention to provide a new and improved electronic door unlocking system which has all of the advantages of the prior art door locks of known designs and configurations and none of the disadvantages.
It is another object of the present invention to provide a new and improved electronic door unlocking system which may be easily and efficiently manufactured and marketed.
It is further object of the present invention to provide a new and improved electronic door unlocking system which is of durable and reliable constructions.
An even further object of the present invention is to provide a new and improved electronic door unlocking system which is susceptible of a low cost of manufacture with regard to both materials and labor, and which accordingly is then susceptible of low prices of sale to the consuming public, thereby making such electronic door unlocking system economically available to the buying public.
Even still another object of the present invention is to provide an electronic door unlocking system for unlocking a door with an electromagnet and a computerized sensor assembly and computerized key.
Lastly, it is an object of the present invention to provide a new and improved electronic door unlocking system comprising an electromagnet within a door adjacent to a deadbolt to retract the deadbolt upon energization of the electromagnet and an associated spring to advance the deadbolt into locking orientation with the recess upon a deactivation of the electromagnet. Also provided is a key with a long part formed with a first computer chip at its free end and a short part spaced from the long part. A sensor assembly is provided in the door knob with an interior component with a second computer chip contactable with the first computer chip of the long part of the key. The sensor assembly has an exterior component with a plurality of apertures adapted to allow the passage of the long part therethrough. The interior and exterior components are spaced at a distance essentially equal to the difference of length between the long and short parts of the key. Electrical lines couple the interior and exterior components of the sensor assembly and the electromagnet whereby when the key enters the knob with the long part contacting the interior component and the short part contacting the exterior component and with the seco
Horabik Michael
Shimizu Matsuichiro
LandOfFree
Electronic door unlocking 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 Electronic door unlocking system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic door unlocking system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2561985