IT7947921A0 - Sistema radio per la trasmissione di informazioni - Google Patents

Sistema radio per la trasmissione di informazioni

Info

Publication number
IT7947921A0
IT7947921A0 IT7947921A IT4792179A IT7947921A0 IT 7947921 A0 IT7947921 A0 IT 7947921A0 IT 7947921 A IT7947921 A IT 7947921A IT 4792179 A IT4792179 A IT 4792179A IT 7947921 A0 IT7947921 A0 IT 7947921A0
Authority
IT
Italy
Prior art keywords
transmission
information
radio system
radio
Prior art date
Application number
IT7947921A
Other languages
English (en)
Other versions
IT1113727B (it
Original Assignee
Stuttgart Rep Fed Di Germania
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stuttgart Rep Fed Di Germania filed Critical Stuttgart Rep Fed Di Germania
Publication of IT7947921A0 publication Critical patent/IT7947921A0/it
Application granted granted Critical
Publication of IT1113727B publication Critical patent/IT1113727B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
IT47921/79A 1978-02-09 1979-02-07 Sistema radio per la trasmissione di informazioni IT1113727B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782805420 DE2805420A1 (de) 1978-02-09 1978-02-09 Funksystem zur uebermittlung von nachrichten

Publications (2)

Publication Number Publication Date
IT7947921A0 true IT7947921A0 (it) 1979-02-07
IT1113727B IT1113727B (it) 1986-01-20

Family

ID=6031510

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47921/79A IT1113727B (it) 1978-02-09 1979-02-07 Sistema radio per la trasmissione di informazioni

Country Status (6)

Country Link
US (1) US4627107A (it)
AT (1) AT377139B (it)
DE (1) DE2805420A1 (it)
FR (1) FR2417219A1 (it)
GB (1) GB2014827B (it)
IT (1) IT1113727B (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA813229B (en) * 1980-05-29 1983-01-26 Philips Nv Frequency division communication system wherein conventional transmitter-transceiver can be used as or repeater or local base station
AT380600B (de) * 1983-10-21 1986-06-10 Mailinger Herbert Vorrichtung zum auffinden insbesondere durch schnee verschuetteter koerper
DE3444989A1 (de) 1984-12-10 1986-06-12 Siemens AG, 1000 Berlin und 8000 München Autotelefonsystem
IT1186842B (it) * 1985-03-12 1987-12-16 Francesco Buzzi Complesso trasmettitore e ricevitori multipli per comunicazioni a vista
DE3528886A1 (de) * 1985-08-12 1987-02-19 Siemens Ag Funkfernsprechsystem
US4709412A (en) * 1986-08-26 1987-11-24 Xantech Corporation Remote control unit integrator console
US4761823A (en) * 1986-09-05 1988-08-02 E. F. Johnson Company Communications adaptor bracket
JPH0650840B2 (ja) * 1987-02-27 1994-06-29 日本電気株式会社 無線選択呼出システム
EP0283683B1 (en) * 1987-03-20 1994-01-12 Hitachi, Ltd. Portable wireless communication systems and method
WO1989004569A1 (en) * 1987-11-13 1989-05-18 Superior Electronic Developments Pty. Ltd. Communications apparatus
US5056152A (en) * 1988-02-08 1991-10-08 Motorola, Inc. Dual level prioritized vehicular repeater system
US5203020A (en) * 1988-06-14 1993-04-13 Kabushiki Kaisha Toshiba Method and apparatus for reducing power consumption in a radio telecommunication apparatus
JP2583578B2 (ja) * 1988-07-01 1997-02-19 三菱電機株式会社 ポケット電話機
US4989230A (en) * 1988-09-23 1991-01-29 Motorola, Inc. Cellular cordless telephone
US5073972A (en) * 1989-01-12 1991-12-17 Tendler Robert K Modular communications system including a portable unit range extender and selective-call system
BR9006872A (pt) * 1989-08-03 1991-08-27 Motorola Inc Radiotelefone portatil e processo para controlar chamada de radiotelefone
US5036532A (en) * 1989-08-03 1991-07-30 Motorola, Inc. Portable telephone with power source/mode change during calls
GB2241850B (en) * 1990-03-08 1994-05-25 Marconi Co Ltd Signal transmission system
US6359872B1 (en) * 1997-10-28 2002-03-19 Intermec Ip Corp. Wireless personal local area network
US6749122B1 (en) 1990-05-25 2004-06-15 Broadcom Corporation Multi-level hierarchial radio-frequency system communication system
US6654378B1 (en) 1992-03-18 2003-11-25 Broadcom Corp. Transaction control system including portable data terminal and mobile customer service station
JP3058923B2 (ja) * 1991-01-11 2000-07-04 株式会社東芝 無線電話装置アダプタ
DE69218465T2 (de) * 1991-01-11 1997-07-03 Toshiba Kawasaki Kk Adapter zur Versorgung eines transportablen Funktelefons mit Spannung
JPH04239251A (ja) * 1991-01-11 1992-08-27 Toshiba Corp 無線電話装置アダプタ
US5390341A (en) * 1991-07-15 1995-02-14 Motorola, Inc. System and method for muting and unmuting a communication device
JPH0591039A (ja) * 1991-09-30 1993-04-09 Nec Corp 携帯無線端末装置および車載無線端末装置
DE4233721A1 (de) * 1992-10-07 1994-04-14 Ceotronics Gmbh Elektronische Kommunikationseinrichtung für den Einsatz in Polizei-Motorrädern
US7885242B2 (en) * 1993-12-23 2011-02-08 Broadcom Corp. Enhanced mobility and address resolution in a wireless premises based network
US5603094A (en) * 1994-07-28 1997-02-11 Greear, Jr.; Willie J. Animal tracking system with transmitter attachable to an animal's collar
US6732077B1 (en) * 1995-05-12 2004-05-04 Trimble Navigation Limited Speech recognizing GIS/GPS/AVL system
US6041242A (en) * 1996-06-21 2000-03-21 Coulthard; Steve M. Portable emergency response communications system and method
USD419160S (en) * 1998-05-14 2000-01-18 Northrop Grumman Corporation Personal communications unit docking station
US6169730B1 (en) 1998-05-15 2001-01-02 Northrop Grumman Corporation Wireless communications protocol
US6243573B1 (en) 1998-05-15 2001-06-05 Northrop Grumman Corporation Personal communications system
US6304559B1 (en) 1998-05-15 2001-10-16 Northrop Grumman Corporation Wireless communications protocol
USD421002S (en) * 1998-05-15 2000-02-22 Northrop Grumman Corporation Personal communications unit handset
US6141426A (en) * 1998-05-15 2000-10-31 Northrop Grumman Corporation Voice operated switch for use in high noise environments
US6041243A (en) * 1998-05-15 2000-03-21 Northrop Grumman Corporation Personal communications unit
US6223062B1 (en) 1998-05-15 2001-04-24 Northrop Grumann Corporation Communications interface adapter
WO2001048581A2 (en) * 1999-12-09 2001-07-05 Linden Craig L Mobile advertising methods and improvements
AU2003229210A1 (en) * 2002-06-05 2003-12-22 Grayling Wireless Inc. Communication apparatus, method and system for a self-contained breathing apparatus
US7483682B2 (en) * 2004-04-08 2009-01-27 Clearcalm Inc. Dual-band radio enabled lapel mounted audio and signal handling system and method
US10595127B2 (en) * 2016-11-22 2020-03-17 Motorola Solutions, Inc. Method and apparatus for managing audio signals in a communication system
US9935668B1 (en) 2017-02-16 2018-04-03 Datron World Communications, Inc. Detachment mechanism and indicator for mobile mount portable radio and method for the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL23082C (it) * 1924-10-28
US3071728A (en) * 1958-09-02 1963-01-01 Motorola Inc Portable auto radio receiver
US3059184A (en) * 1959-07-27 1962-10-16 Motorola Inc Two-way vehicle radio communication equipment employing hydrid circuitry within a sectionalized chassis
US3550001A (en) * 1968-08-01 1970-12-22 Scm Corp Teleprinter equipment mounting assembly
US3699443A (en) * 1970-03-02 1972-10-17 Ronald E Weger Radio control and repeater communication system
US3906166A (en) * 1973-10-17 1975-09-16 Motorola Inc Radio telephone system
US4107611A (en) * 1973-12-06 1978-08-15 Jack N. Holcomb Police protection method and apparatus
US3955140A (en) * 1975-05-20 1976-05-04 Public Systems, Inc. Mobile radio extension unit with punch through operation
US4056779A (en) * 1976-04-05 1977-11-01 Motorola, Inc. Vehicular repeater
US4162449A (en) * 1978-04-14 1979-07-24 Bernard Bouyssounouse Apparatus for communicating receipt of transmitted messages

Also Published As

Publication number Publication date
DE2805420A1 (de) 1979-08-16
GB2014827A (en) 1979-08-30
GB2014827B (en) 1982-02-17
IT1113727B (it) 1986-01-20
FR2417219A1 (fr) 1979-09-07
AT377139B (de) 1985-02-11
DE2805420C2 (it) 1987-12-17
ATA902778A (de) 1984-06-15
FR2417219B1 (it) 1985-03-22
US4627107A (en) 1986-12-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950222