Telecommunications – Transmitter and receiver at separate stations
Patent
1998-02-19
1999-10-19
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
455406, 455 381, 34082535, H04Q 700
Patent
active
059703890
DESCRIPTION:
BRIEF SUMMARY
The invention relates to portable one-way radio pagers of the kind comprising pager means for receiving radio messages, a memory for storing the messages, a screen, a keypad, a sound signal emitter, and an electronic CPU, the pager being designed to display on its screen at least some of the messages it receives, the sound signal emitter being designed to emit sound signals in a plurality of frequencies, and the CPU being designed: referred to as a "primary code" for causing an encoded sound signal to be emitted by the sound signal emitter; and cause the sound signal emitter to emit an encoded sound signal comprising a run of individual sound signals defined by the CPU as a function at least of the primary code, said encoded sound signal varying as a function of the primary code.
Document U.S. Pat. No. 4,490,579 describes an example of such a radio pager, in which the encoded sound signal corresponds to a telephone number to be called back, and encoded using a voice frequency dialing system.
The present inventors have had the idea of improving such prior art radio pagers to enable them to be used to identify people remotely, in particular to make an operation "secure", e.g. a remote payment operation, or the like.
To this end, according to the invention, a portable radio pager of the kind in question is essentially characterized in that the CPU is also designed: the screen a message requesting the user of said pager to enter a secondary code by means of the keypad; of an additional code accessible to the CPU, and of the secondary code entered with the keypad; and keypad, to cause the encoded sound signal to be emitted by the sound signal emitter.
In preferred embodiments of the pager of the invention, use may also be made of one or more of the following dispositions: external smart card, and in which the CPU is further designed card via the interface; secondary code to the smart card by means of the interface; "resultant" code, from the smart card as defined by the smart card as a function of the initial code sent thereto, of an internal code that it contains, and of the secondary code; and received from the smart card.
The invention also provides a method of remotely identifying a person using a portable radio pager as defined above which receives radio messages from at least one transmitter station, the method comprising the following steps: telephone set; specific to the user; primary code addressed to the pager; keypad of the pager; signal which is defined by the CPU of the pager as a function of the primary code, of the internal code, and of the secondary code, the sound signal emitter being located at that time in the vicinity of a microphone belonging to the telephone set; a function of the primary code and of the secondary code; identification code, the certification primary code, and the encoded sound signal.
Advantageously, the identification code specific to the user of the pager is included in the memory of the pager, and step b) consists in causing the sound signal emitter of the pager to emit a run of individual sound signals representative of the identification code, the signal emitter being located at that time in the vicinity of a microphone belonging to the telephone set.
The invention also provides a second method of remotely identifying a person by using a portable radio pager which receives radio messages from at least one transmitter station, the method comprising the following steps: telephone set; identification code specific to the smart card of the user; primary code addressed to the pager; primary code to be sent to the smart card via the interface; the keypad of the pager, and causing said secondary code to be sent to the smart card via the interface; which resultant code is a function of the initial code, of the secondary code, and of the internal code contained in said smart card; resultant code; emitter of the pager, the sound signal emitter being located at that time in the vicinity of a microphone belonging to the telephone set; and identification code, the primary code, an
REFERENCES:
patent: 4490579 (1984-12-01), Godoshian
patent: 5192947 (1993-03-01), Neustein
patent: 5615110 (1997-03-01), Wong
patent: 5708422 (1998-01-01), Blonder et al.
patent: 5878337 (1999-03-01), Joao et al.
International Search Report dated Jun. 10, 1996.
French Search Report dated Sep. 1, 1995.
Carreel Eric
Lewiner Jacques
Armstrong Darnell R.
Eisenzopf Reinhard J.
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