H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 14/04 (2006.01) G01S 13/74 (2006.01) H04B 7/26 (2006.01) H04L 9/32 (2006.01) H04L 12/12 (2006.01) G08B 5/36 (2006.01) H04Q 7/16 (2006.01)
Patent
CA 2302548
This invention relates to radio engineering, and in particular it concerns a method of establishing contact between users. The method consists in that, in a portable computerized device combined with a radio transceiver, data comprising an array of formed information, which is, upon conversion, assigned a personal code, is inputted into the memory. Then, this code is transmitted in the form of pulsed radio signals through the propagation medium for reception thereof by other devices operating within the range of the first device. Upon reception of pulsed code radio signals transmitted by other devices, the codes received are compared with the personal code, and when one of the codes received is found to coincide with the personal code, the received data corresponding to that code is decoded and outputted for visual or audio perception of the information array corresponding to that code. On coincidence, a pulsed coincidence radio signal is transmitted in the coincidence code and a response pulsed radio signal in the personal code is received for the users to identify one another. Following reception of the pulsed personal code radio signals confirming establishment of direct contact, the users' devices are switched to a direct communication mode for the users to communicate with each other. In the absence of coincidence between the codes received and the personal code, these codes are inputted into the memory and transmitted into the propagation medium, transmission being effected during the absence of a pulsed radio signal carrying the code corresponding to the personal code.
Cette invention concerne un dispositif informatique qui est aligné sur un émetteur-récepteur radio, et dans la mémoire duquel on introduit des données qui consistent en un massif d'informations formatées auquel on attribue un code personnel après conversion. Ce code est transmis sous forme de signaux radio par impulsions par un système de diffusion afin d'être reçu par d'autres dispositifs fonctionnant dans la zone d'action du premier dispositif. Lors de la réception des signaux radio, on compare les codes reçus avec le code personnel et, lorsqu'ils coïncident, on décode et on extrait les données obtenues correspondant à ce code. Lors de l'établissement de corrélations, on envoie selon le code qui a permis d'établir la coïncidence un signal radio par impulsions qui fait état de cette coïncidence, et l'on reçoit un signal radio par impulsions de réponse concernant le code personnel en vue de leur identification réciproque. Après avoir reçu les signaux radio par impulsions concernant le code personnel et confirmant l'établissement d'un contact direct, les dispositifs des abonnés passent en mode de communication directe de manière que les abonnés puissent communiquer entre eux. Lorsque les codes reçus ne coïncident pas avec le code personnel, ces codes sont introduits dans la mémoire et sont émis dans le système de diffusion pendant la période exempte de signal radio par impulsions comprenant un code correspondant au code personnel.
Yan David Evgen'evich
Cybiko Inc.
Shvartsman Mila
Yan David Evgen'evich
LandOfFree
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