"Apparatus for remote opening of doors or gates of a building ."

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The present invention relates to an apparatus for remote opening of doors or gates of a building . Currently, buildings provided with doors or gates, such as condominiums, are provided with key closures or closures by electronic means that are remote-controlled by remote controls for opening doors or gates to access the building and, in particular, sectors of the building such as garages or storage facilities. It is also possible for the doors and gates of the building to be provided with an electromechanical device that is remote-controlled by remote controls for opening doors or gates.

In view of this prior art, the object of the present invention is to provide an apparatus for the remote opening of doors or gates of buildings that is different from known apparatuses.

According to the present invention, said object is obtained by means of an apparatus for remote opening of doors or gates of at least a building, characterised in that it comprises a unit located in the building and accessible from a plurality of external terminals provided with a GSM module, said unit being connected to electromechanical means suitable for opening and closing said doors or gates, said unit comprising a database containing the list of the telephone numbers of said plurality of external terminals, a GSM interface for connecting to the external terminals and means for managing said interface and said database, said managing means being interrogatable by said external terminals and being suitable for commanding said electromechanical means for opening gates or doors if the telephone number of the interrogating external terminal is on the list of telephone numbers of the external terminals of the database.

The features of the present invention will be clearer from the following description of a practical embodiment thereof illustrated by way of non-

limiting example in the attached drawings, in which:

Figure 1 is a diagram of an apparatus for remote opening of doors or gates of buildings according to an embodiment of the present invention; Figure 2 is a diagram of the apparatus according to a variant of the embodiment of the present invention.

With reference to Figure 1 there is shown a diagram of an apparatus for remote opening of doors or gates of buildings according to the present invention. Said apparatus comprises at least a unit B, arranged in a building A and connected to electromechanical means 50 for opening doors or gates. The apparatus comprises a plurality of external terminals C 1..Cn provided with a GSM module. The unit B comprises a memory with a database 2 containing the list of the telephone numbers of said plurality of external terminals C 1..Cn, a GSM interface 3 for connecting to the external remote terminals C 1..Cn and means 4 for managing said interface 3 and the database 2. The managing means 4 is interrogatable by the external terminals C 1..Cn and is suitable for commanding the electromechanical means for opening gates or doors if the telephone number of the interrogating external terminal is on the list of telephone numbers of the external terminals C 1..Cn of the database. The managing means 4 comprises a data-processing system and a memory on which an application software is installed and run that enables the telephone number of the calling terminal Cl ..Cn to be received by the interface 3 without replying to the telephone call, that enables it to be checked whether the telephone number of the calling external terminal is on the list of telephone numbers stored in the database 2 and subsequently enables a door or gate opening command to be sent to the means 50 if the check operation has a positive outcome. Preferably, the external terminals consist of mobile phone terminals.

According to a variant of the embodiment of the present invention the apparatus comprises a central unit 1 consisting of a data-processing system and a memory and on which an application software is installed and run. The

apparatus preferably comprises a plurality of units Bl ...Bn located in the buildings A 1..An. The memory of the central unit 1 comprises a database 20 containing a list of the peripheral units Bl ...Bn and the list of activating passwords or codes associated with said units B 1..Bn located in the buildings Al ..An and suitable for activating said units.

The central unit 1 comprises a GSM interface 30 for remote connection to the external terminals Cl ...Cn. The central unit 1 comprises an interface 31 for remote connection to said units B 1..Bn located in the buildings A 1..An and means 40 for managing the interfaces 30 and 31 and the database 20. The managing means 40 comprises a data-processing system and a memory on which an application software is installed and run, it is interrogatable by the external terminals C 1..Cn by means of sending of password and is suitable for checking whether the sent password is on the list of the passwords of the database. If the checking operation is positive the managing means 40 is suitable for storing the telephone number of the interrogating external remote terminal and for sending data to the unit B 1..Bn located in the building Al.. An to which the password corresponds; said data contain the telephone number of the interrogating external remote terminal and the validity period of the door or gates opening service. Interrogating the managing means 40 is achieved by a written text message SMS containing the password and the data sent from the central unit 1 to the units Bl ...Bn are sent by a written text message SMS.

The external remote terminals Cl ...Cn are normally mobile phones of the various users. The interface 30 is able to receive the text messages from the terminals

Cl ..Cn and to send the text messages to the means 40.

The interface 31 is suitable for sending text messages coming from the means 40 to the unit Bl ..Bn designated by the password.

The application software relating to the central unit 1 comprises various modules with which the following functions are combined:

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authentication of the requests by checking that the received password is on the list of the passwords that is stored in the database 20; association of the sent password with the corresponding unit B 1... Bn and storing the telephone number of the interrogating external terminal; sending of the messages to the unit B 1..Bn designated with the telephone number of the interrogating external terminal and of the duration of the service. The operation of the apparatus is as follows.

Each remote terminal C 1..Cn sends a text message containing a password to the central unit 1. The software of the unit 1, by means of the authentication function, checks whether the password is one of the passwords contained on the list of the database, stores the telephone number of the interrogating terminal sends a text message SMS or makes a GPRS call containing said telephone number and the duration of the service to the unit B 1..Bn corresponding to the password. In this manner the user who is the possessor of the terminal is enabled for opening the door or gate of the building in which the unit B 1..Bn is located. The telephone number will therefore need only to be keyed in to open the gate or door.

Normally, the text message SMS sent from the unit 1 to the designated unit Bl ...Bn is of encrypted or encoded type.

Preferably, the central unit 1 interacts with all the units B 1..Bn, enabling the data of the units Bl ..Bn to be updated. Further, the units Bl ...Bn interact with the central unit 1 by means of text messages or GPRS calls to send data on the openings of the doors or gates connected to the unit Bl ..Bn to the central unit 1 that stores said data in the memory.

Both the units B 1..Bn and the central unit 1 have a telephone number; the central unit 1 can have more than one telephone number.