# US 9,883,452 B2 · Communication system for reducing the effects of radiation emitted from cellular phone antennas > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,883,452 B2 - Document ID: US9883452B2 - Status: Granted - Kind: B2 - Application number: 14/714,922 - Filed: 2015-05-18 - Published: 2015-09-03 - Granted: 2018-01-30 - Earliest claimed: 2005-08-22 - Applicants: Nisim Sela - Inventors: Nisim Sela - Web page: https://patentgrep.com/patent/US9883452B2 ## CPC - H04W 48/20: Selecting an access point - H04B 1/3838: {Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use} - H04B 7/15507: {Relay station based processing for cell extension or control of coverage area, (network planning with network coordinated processing with regard to cell extension H04W16/26; network topologies using dedicated repeater stations H04W84/047; terminal devices adapted for relaying to or from an other terminal H04W88/04)} - H04M 1/72412: using two-way short-range wireless interfaces - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 88/02: Terminal devices - H04M 1/6066: {including a wireless connection} - H04M 2250/02: including a Bluetooth® interface - H04W 8/005: {Discovery of network devices, e.g. terminals} - H04W 76/10: Connection setup - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - Y02B 70/30: Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A cellular communication system which comprises a cellphone interface unit that includes a transceiver for low power RF communication; a microphone; an earphone; a display; a keypad; a hub device that includes a transceiver for low power RF communication; an antenna for high power RF communication and circuitry and appropriate software components for establishing a communication channel between the hub and a base station. ## Claims ### Claim 1 A communication system for communicating with a base station without being exposed to high-power radiation, comprising: a) a plurality of mobile devices, each of which is configured to communicate over a cellular network by a high-power transceiver and to carry out low-power wireless communication with a low-power transceiver; b) a base station for transmitting and receiving high-power radio frequency (RF) signals upon demand; and c) a multi-channel hub device positioned in a public area and interfaceable with both said base station by high-power RF communication signals and with said plurality of mobile devices by low-power RF communication signals, said multi-channel hub device being operable to: i. detect an entry of one or more of said plurality of mobile devices into said public area upon determining that the mobile devices are spaced less than a predetermined distance from said hub device; ii. cause a high-power transceiver of each of said detected mobile devices to become automatically disabled following detection; and iii. initiate a pairing operation with each of said detected mobile devices to facilitate subsequent transparent communication using high-power transmitting functions in a low power mode over a corresponding communication channel to be established by said hub device. ### Claim 2 (depends on 1) The system according to claim 1, wherein a software module stored in a memory device of the hub device and commanded by a controller is operable to initiate pairing and registration events with respect to each of the plurality of mobile devices that has been detected. ### Claim 3 (depends on 2) The system according to claim 2, wherein the hub device comprises a high-power transceiver for communicating with the base station, a low-power transceiver for communicating with each of the detected mobile devices, and a gateway module for interfacing between said hub device high-power transceiver and said hub device low-power transceiver and for making a signaling connection associated with a communication request transferred to the hub device, the corresponding communication channel being established for the signaling connection. ### Claim 4 (depends on 3) The system according to claim 3, wherein the hub device further comprises a multiplexer which is electrically connected to the gateway module, for establishing a plurality of communication channels under command of the controller. ### Claim 5 (depends on 4) The system according to claim 4, wherein the multiplexer is a multiprotocol multiplexer. ### Claim 6 (depends on 4) The system according to claim 4, further comprising an external hardware component which is coupleable to an USB port provided with the hub device, the hub device further comprising an additional multiplexer in data communication with the controller, for serving desired content from said external hardware component to one or more of the detected mobile devices. ### Claim 7 (depends on 6) The system according to claim 6, further comprising a switch in data communication with the controller and the hub device low-power transceiver, and switchably connected with both the multiplexer and the additional multiplexer. ### Claim 8 (depends on 1) The hub device according to claim 1, wherein the hub device is operable to make a plurality of signaling connections so as to be connected simultaneously with at least two of said detected mobile devices while allowing each of said at least two of said detected mobile devices to communicate transparently and independently over the corresponding communication channel established by the hub device. ### Claim 9 (depends on 1) The hub device according to claim 1, wherein the hub device is operable to detect that the one or more of the mobile devices is spaced less than the predetermined distance from said hub device when a signal strength emitted by the mobile device low-power transceiver is greater than a predetermined threshold. ### Claim 10 A method for communicating with a base station without being exposed to high-power radiation, comprising the following steps performed by a multi-channel hub device positioned in a public area and interfaceable with both a base station by high-power radio frequency (RF) communication signals and with a plurality of mobile devices by low-power RF communication signals: a. detecting when two or more of said mobile devices enter a public area upon determining that the mobile devices are spaced less than a predetermined distance from said hub device; b. causing a high-power transceiver of each of said detected mobile devices to become automatically disabled following detection; c. determining which of said detected mobile devices is identifiable by a network identifier; d. initiating a pairing operation with each of said detected mobile devices by registering said identifiable mobile devices; e. intercepting a communication request associated with each of said identifiable mobile devices; and f. making a plurality of signaling connections so as to be connected simultaneously with each of said registered mobile devices while allowing each of said registered mobile devices to communicate transparently and independently over a corresponding communication channel established by said hub device, using high-power transmitting functions in a low power mode. ### Claim 11 A hub device for serving content to mobile devices, comprising: a module for receiving and storing data associated with desired content; a low-power transceiver for communicating with each of a plurality of mobile devices located within a short range from said hub device; a multiplexer for establishing a plurality of communication channels; and a controller in data communication with said multiplexer and said module for receiving and storing data associated with desired content, for commanding transmission of user selected data with use of said a low-power transceiver over one of said established channels to a corresponding one of said plurality of mobile devices; wherein said hub device is positioned in a public area and is operable to: i. detect an entry of one or more of said plurality of mobile devices into said public area upon determining that the mobile devices are spaced less than a predetermined distance from said hub device; ii. cause a high-power transceiver of each of said detected mobile devices to become automatically disabled following detection; and iii. initiate a pairing operation with each of said detected mobile devices to facilitate subsequent transparent communication of said data associated with desired content over a corresponding low-power communication channel to be established. ### Claim 12 (depends on 11) The hub device according to claim 11, wherein an external hardware component for generating the data is coupleable to an USB port provided with the hub device. ### Claim 13 (depends on 11) The hub device according to claim 11, further comprising a high-power transceiver by which the data is receivable from a base station. ### Claim 14 (depends on 11) The hub device according to claim 11, wherein the data is transmittable to one or more of said plurality of mobile devices in which all memory devices thereof are firmware memory devices, wherein contact and diary information is not stored in said firmware memory devices. ### Claim 15 (depends on 11) The system according to claim 11, wherein the hub device is operable to make a plurality of signaling connections so as to be connected simultaneously with at least two of said detected mobile devices while allowing each of said at least two of said detected mobile devices to communicate transparently and independently over the corresponding communication channel established by the hub device. ### Claim 16 A cellular communication system for a user, comprising one or more short-range phone interface units and a cellular hub device, a) each of said one or more short-range phone interface units comprising the following hardware: i. a transceiver for providing short-range wireless communication with said cellular hub device; ii. a microphone; iii. an earphone; iv. a display; v. a keypad; and vi. first circuitry and software for controlling the operation of said hardware and for establishing a short-range wireless communication channel to said cellular hub device; b. said cellular hub device comprising: i. a transceiver for establishing short-range wireless communication with said one or more short-range phone interface units; ii. an antenna for transmitting and receiving high power radio frequency (RF) communication signals modulated with desired content to and from a cellular base station; iii. second circuitry and software for establishing a high power RF communication channel between said cellular hub and said cellular base station, to allow communication of said content between each of said one or more short-range phone interface units and said cellular base station; iv. a user identification module; and v. a memory for storing contact and diary information generated or received by said user, wherein all memory devices of each of said one or more short-range phone interface units are firmware memory devices which are interfaceable only with said first circuitry and software and in which said contact and diary information is not stored. ### Claim 17 (depends on 16) The system according to claim 16, wherein each of the one or more short-range phone interface units further comprises a secondary identification card for providing a unique identification code for authenticating communication of the one or more short-range phone interface units with the cellular base station via the cellular hub device. ### Claim 18 (depends on 17) The system according to claim 17, wherein the secondary identification card is a subscriber identity module (SIM) card. ### Claim 19 (depends on 16) The system according to claim 16, wherein two or more short-range phone interface units, each comprising a secondary identification card, share information exchanged with the cellular base station via a single cellular hub device. ### Claim 20 (depends on 19) The system according to claim 19, wherein the information exchanged with the cellular base station is video or audio data. ### Claim 21 (depends on 16) The system according to claim 16, wherein the second circuitry and software is also operable for establishing a high power RF communication channel between the cellular hub device and the cellular base station, for communication of signals not modulated with the content between the one or more short-range phone interface units and the cellular base station. ### Claim 22 (depends on 16) The system according to claim 16, wherein the one or more short-range phone interface units is removably connected to the cellular hub device, the cellular hub device comprising additional ports for performing desired operations as a single integral unit.