MX159402A - Mejoras en sistema de comunicacion por radio - Google Patents
Mejoras en sistema de comunicacion por radioInfo
- Publication number
- MX159402A MX159402A MX206629A MX20662985A MX159402A MX 159402 A MX159402 A MX 159402A MX 206629 A MX206629 A MX 206629A MX 20662985 A MX20662985 A MX 20662985A MX 159402 A MX159402 A MX 159402A
- Authority
- MX
- Mexico
- Prior art keywords
- communication system
- radio communication
- radio
- communication
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
- H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
- H04B7/1855—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18567—Arrangements for providing additional services to the basic mobile satellite telephony service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/650,493 US4744083A (en) | 1984-09-14 | 1984-09-14 | Satellite-based position determining and message transfer system with monitoring of link quality |
Publications (1)
Publication Number | Publication Date |
---|---|
MX159402A true MX159402A (es) | 1989-05-23 |
Family
ID=24609154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX206629A MX159402A (es) | 1984-09-14 | 1985-09-13 | Mejoras en sistema de comunicacion por radio |
Country Status (8)
Country | Link |
---|---|
US (1) | US4744083A (es) |
EP (1) | EP0174540A3 (es) |
JP (1) | JPH0815266B2 (es) |
AU (1) | AU578970B2 (es) |
BR (1) | BR8504398A (es) |
CA (1) | CA1249033A (es) |
IN (1) | IN165055B (es) |
MX (1) | MX159402A (es) |
Families Citing this family (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2253971B (en) * | 1984-10-30 | 1993-02-03 | Secr Defence | Improvements in or relating to ionospheric sounding |
JPS6466582A (en) * | 1987-09-08 | 1989-03-13 | Nec Corp | System for detecting propagation time of transmission line |
JPH084257B2 (ja) * | 1987-10-02 | 1996-01-17 | 日本電気株式会社 | (1+n)ヒットレス回線切替装置 |
US5099245A (en) * | 1987-10-23 | 1992-03-24 | Hughes Aircraft Company | Vehicle location system accuracy enhancement for airborne vehicles |
WO1989004002A2 (en) * | 1987-10-23 | 1989-05-05 | Hughes Aircraft Company | Vehicle location system accuracy enhancement for airborne vehicles |
JPH0810839B2 (ja) * | 1988-01-21 | 1996-01-31 | 宣夫 御子柴 | スペクトラム拡散通信装置 |
CA1306501C (en) * | 1988-05-28 | 1992-08-18 | Toshimitsu Shimizu | Monitoring system for radio communication apparatus |
US5025253A (en) * | 1988-10-14 | 1991-06-18 | Secura Corporation | System and method for remotely monitoring the connect/disconnect status of a multiple part vehicle |
US4897642A (en) * | 1988-10-14 | 1990-01-30 | Secura Corporation | Vehicle status monitor and management system employing satellite communication |
JP2841460B2 (ja) * | 1989-04-20 | 1998-12-24 | ソニー株式会社 | 画像データの伝送方法、送信装置、受信装置及び送受信装置 |
AU619105B2 (en) * | 1989-04-21 | 1992-01-16 | Kokusai Denshin Denwa Co. Ltd. | Hybrid modulation satellite communication system |
WO1990013186A1 (en) * | 1989-04-25 | 1990-11-01 | Geostar Corporation | Communication system employing multiple relay satellites operating on common downlink frequency |
US5185862A (en) * | 1989-10-30 | 1993-02-09 | International Business Machines Corp. | Apparatus for constructing data frames for transmission over a data link |
US5126748A (en) * | 1989-12-05 | 1992-06-30 | Qualcomm Incorporated | Dual satellite navigation system and method |
US5017926A (en) * | 1989-12-05 | 1991-05-21 | Qualcomm, Inc. | Dual satellite navigation system |
US5239671A (en) * | 1990-11-13 | 1993-08-24 | Pagemart, Inc. | Simulcast satellite paging system with provision for signal interruption |
FR2674401B1 (fr) * | 1991-03-22 | 1993-12-17 | Alcatel Espace | Installation de telecommunication par satellites apte a interesser plusieurs zones de couverture. |
US5408444A (en) * | 1991-06-19 | 1995-04-18 | Casio Computer Co., Ltd. | Electronic timepiece capable of receiving signals from satellites |
FR2681995B1 (fr) * | 1991-10-01 | 1993-12-10 | Alcatel Espace | Procede de basculement du trafic dans un systeme de communications par satellites en orbite basse a destination de terminaux et systeme de communications mettant en óoeuvre un tel procede. |
US5369644A (en) * | 1991-12-16 | 1994-11-29 | Motorola, Inc. | Method for testing a communication system using canned speech |
US5287115A (en) * | 1992-07-10 | 1994-02-15 | General Instrument Corporation | Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement |
US5355140A (en) * | 1992-09-15 | 1994-10-11 | Trimble Navigation Limited | Emergency reporting for marine and airborne vessels |
US5712867A (en) * | 1992-10-15 | 1998-01-27 | Nexus 1994 Limited | Two-way paging apparatus having highly accurate frequency hopping synchronization |
US5511079A (en) * | 1993-05-26 | 1996-04-23 | Hughes Aircraft Company | Apparatus and method for controlling forward error correction encoding in a very small aperture terminal |
US5539645A (en) * | 1993-11-19 | 1996-07-23 | Philips Electronics North America Corporation | Traffic monitoring system with reduced communications requirements |
US5434565A (en) * | 1994-03-22 | 1995-07-18 | Potomac Aviation Technology Corporation | Automatic weather monitoring and adaptive transmitting system |
SE504044C2 (sv) * | 1994-03-29 | 1996-10-21 | Telia Ab | Anordning vid repeterare i radiobaserat kommunikationssystem |
US5846088A (en) * | 1997-01-06 | 1998-12-08 | Reichert; Jonathan F. | Teaching appparatus for magnetic torque experiments |
GB2321831B (en) * | 1994-07-22 | 1999-02-17 | Int Mobile Satellite Org | Satellite communication method and apparatus |
GB9417600D0 (en) | 1994-09-01 | 1994-10-19 | British Telecomm | Navigation information system |
US5682525A (en) | 1995-01-11 | 1997-10-28 | Civix Corporation | System and methods for remotely accessing a selected group of items of interest from a database |
GB2339099B (en) * | 1995-10-24 | 2000-05-31 | Inmarsat Ltd | Satellite radiodetermination |
JP2980024B2 (ja) * | 1996-03-28 | 1999-11-22 | 日本電気株式会社 | 通信方法 |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US6226493B1 (en) | 1996-05-31 | 2001-05-01 | Motorola, Inc. | Geosynchronous satellite communication system and method |
US5920284A (en) * | 1996-09-30 | 1999-07-06 | Qualcomm Incorporated | Ambiguity resolution for ambiguous position solutions using satellite beams |
US5742233A (en) * | 1997-01-21 | 1998-04-21 | Hoffman Resources, Llc | Personal security and tracking system |
US6624754B1 (en) * | 1998-01-20 | 2003-09-23 | Hoffman Resources Llc | Personal security and tracking system |
US8466795B2 (en) | 1997-01-21 | 2013-06-18 | Pragmatus Mobile LLC | Personal security and tracking system |
US6898197B1 (en) * | 1997-02-28 | 2005-05-24 | Interdigital Technology Corporation | Geolocation of a mobile terminal in a CDMA communication system |
GB2325115B (en) * | 1997-03-25 | 2000-07-05 | Ico Services Ltd | Satellite communications terminal location system and method |
US6347217B1 (en) * | 1997-05-22 | 2002-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Link quality reporting using frame erasure rates |
US6560461B1 (en) | 1997-08-04 | 2003-05-06 | Mundi Fomukong | Authorized location reporting paging system |
GB2329793B (en) * | 1997-09-26 | 2003-01-29 | Motorola Ltd | A radio communications monitor |
US6816710B2 (en) * | 1998-05-06 | 2004-11-09 | Snaptrack, Inc. | Method and apparatus for signal processing in a satellite positioning system |
US6330288B1 (en) * | 1999-01-28 | 2001-12-11 | Lucent Technologies Inc. | Coding/modulation scheme selection technique |
JP2000224087A (ja) * | 1999-02-01 | 2000-08-11 | Nec Corp | 移動体衛星通信用移動局の自動送信回路とその方法 |
US8321124B2 (en) | 1999-03-31 | 2012-11-27 | C2 Global Technologies, Inc. | Security and tracking system |
US6510380B1 (en) | 1999-03-31 | 2003-01-21 | C2 Global Technologies, Inc. | Security and tracking system |
US6606556B2 (en) | 1999-03-31 | 2003-08-12 | C2 Global Technologies, Inc. | Security and tracking system |
US6889135B2 (en) | 1999-03-31 | 2005-05-03 | C2 Global Technologies, Inc. | Security and tracking system |
US6512750B1 (en) | 1999-04-16 | 2003-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Power setting in CDMA systems employing discontinuous transmission |
US6380869B1 (en) | 1999-05-19 | 2002-04-30 | Potomac Aviation Technology Corporation | Automated air-traffic advisory system and method |
US6850736B2 (en) * | 2000-12-21 | 2005-02-01 | Tropian, Inc. | Method and apparatus for reception quality indication in wireless communication |
US20020115422A1 (en) * | 2001-02-16 | 2002-08-22 | Robinson Bruce R. | System and method for a voice controlled weather station |
US8418210B2 (en) * | 2002-02-26 | 2013-04-09 | Thomson Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with controlled uplink transmission |
US7010289B2 (en) * | 2002-05-24 | 2006-03-07 | General Motors Corporation | Method and system for vehicle data upload |
US7250772B2 (en) * | 2002-11-19 | 2007-07-31 | University Of Utah Research Foundation | Method and apparatus for characterizing a signal path carrying an operational signal |
WO2004070398A2 (en) * | 2003-02-04 | 2004-08-19 | University Of Utah Research Foundation | Method and apparatus for characterizing a signal path carrying an operational signal |
US7516244B2 (en) | 2003-07-02 | 2009-04-07 | Caterpillar Inc. | Systems and methods for providing server operations in a work machine |
US7532640B2 (en) * | 2003-07-02 | 2009-05-12 | Caterpillar Inc. | Systems and methods for performing protocol conversions in a machine |
US7983820B2 (en) | 2003-07-02 | 2011-07-19 | Caterpillar Inc. | Systems and methods for providing proxy control functions in a work machine |
US7643536B2 (en) * | 2004-08-10 | 2010-01-05 | Mayo Foundation For Medical Education And Research | Asynchronus communication system for remote monitoring of objects or an environment |
US7861132B1 (en) * | 2004-11-19 | 2010-12-28 | The Directv Group, Inc. | Adaptive error correction |
JP4689669B2 (ja) * | 2005-05-18 | 2011-05-25 | パナソニック株式会社 | 無線通信装置 |
TWI263601B (en) * | 2005-07-21 | 2006-10-11 | Sin Etke Technology Co Ltd | System and method of providing information of bad communication signal of car-sued wireless communication module |
US7548071B2 (en) * | 2006-01-31 | 2009-06-16 | University Of Utah Research Foundation | Reflectometry test system using a sliding pseudo-noise reference |
US8190096B2 (en) * | 2006-12-20 | 2012-05-29 | Koninklijke Philips Electronics N.V. | Method and system to select devices of a wireless network, particularly a network of wireless lighting devices |
US8462682B2 (en) * | 2007-12-14 | 2013-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for separate channel power control |
US20090322560A1 (en) * | 2008-06-30 | 2009-12-31 | General Motors Corporation | In-vehicle alert delivery maximizing communications efficiency and subscriber privacy |
US8736427B2 (en) | 2008-09-03 | 2014-05-27 | Apple Inc. | Intelligent infrared remote pairing |
US8755425B2 (en) * | 2010-06-30 | 2014-06-17 | Comtech Ef Data Corp. | Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology |
US8699545B2 (en) | 2010-04-08 | 2014-04-15 | Comtech Ef Data Corp. | Embedded meta-carrier with code progression message reassembly |
US8862944B2 (en) * | 2010-06-24 | 2014-10-14 | International Business Machines Corporation | Isolation of faulty links in a transmission medium |
US9088346B2 (en) | 2010-06-30 | 2015-07-21 | Comtech Ef Data Corp. | System and method for a broadcast recovery carrier channel for static and dynamic carrier systems |
US8857368B2 (en) | 2011-09-21 | 2014-10-14 | The Boeing Company | Aircraft location system for locating aircraft in water environments |
CN106271580B (zh) * | 2015-06-01 | 2018-06-22 | 北京卫星环境工程研究所 | 适用于卫星装配过程中紧固件的自动配套装置 |
WO2017165429A1 (en) | 2016-03-22 | 2017-09-28 | Lonestar, LLC | Data in motion storage system and method |
EP3255619A1 (en) | 2016-06-10 | 2017-12-13 | Micro APPS Group Inventions LLC | Wireless personal safety device |
US10678620B2 (en) | 2016-09-19 | 2020-06-09 | Elmos Semiconductor Ag | Watchdog for monitoring a processor |
AU2019312672A1 (en) | 2018-08-02 | 2021-03-18 | Nkb Properties Management, Llc | Apparatus and method for storing wave signals in a cavity |
BR112020018431B1 (pt) | 2018-08-10 | 2021-08-10 | Lyteloop Technologies, Llc | Sistema e método para estender comprimento de trajetória de um sinal de onda com o uso de multiplexação de ângulo |
KR20210091200A (ko) | 2018-11-05 | 2021-07-21 | 라이트루프 테크놀로지스, 엘엘씨 | 공유 공통 컴포넌트들을 사용하여 다수의 증폭기들, 재생기들, 및 트랜시버들을 구축, 동작, 및 제어하기 위한 시스템들 및 방법들 |
CN115208488B (zh) * | 2022-05-25 | 2023-11-10 | 西安空间无线电技术研究所 | 一种基于特殊链路故障特性评估的自主恢复*** |
US11900778B1 (en) | 2023-03-29 | 2024-02-13 | Micro Apps Group Inventions, LLC | System for improving safety in schools |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3755811A (en) * | 1968-06-10 | 1973-08-28 | Rca Corp | Discriminating signaling system |
JPS4814121B1 (es) * | 1968-07-25 | 1973-05-04 | ||
US3668403A (en) * | 1969-05-05 | 1972-06-06 | Goodyear Aerospace Corp | Method and apparatus for vehicle traffic control |
US3742498A (en) * | 1970-05-06 | 1973-06-26 | Itt | Synchronization and position location system |
US3701150A (en) * | 1970-06-11 | 1972-10-24 | Motorola Inc | Rf transmission and detection system |
US3714650A (en) * | 1970-07-30 | 1973-01-30 | Raytheon Co | Vehicle command and control system |
DE2042332A1 (de) * | 1970-08-26 | 1972-03-02 | Siemens Ag | Verfahren zur zeichenweisen parallelen, arrhythmischen Übertragung von binar codierten Nachrichtenzeichen im Fernsprechwahlnetz zwischen einer Außenstation und einer Zentralstation |
US3839717A (en) * | 1972-01-28 | 1974-10-01 | Identification Co Inc | Communication apparatus for communicating between a first and a second object |
US3824547A (en) * | 1972-11-29 | 1974-07-16 | Sigma Syst Inc | Communications system with error detection and retransmission |
FR2248517B1 (es) * | 1973-10-23 | 1978-08-04 | Sercel Rech Const Elect | |
DE2455028C2 (de) * | 1974-11-20 | 1982-02-18 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum automatischen Empfang von Daten |
US4015259A (en) * | 1975-05-21 | 1977-03-29 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for interrogating and identifying fixed or moving targets |
US4114155A (en) * | 1976-07-30 | 1978-09-12 | Cincinnati Electronics Corporation | Position determining apparatus and method |
JPS5387115A (en) * | 1977-01-11 | 1978-08-01 | Mitsubishi Electric Corp | Radiotelephone set |
US4128835A (en) * | 1977-08-23 | 1978-12-05 | Arinc Research Corporation | Method and apparatus for measuring distance between an aircraft and a ground station |
US4334306A (en) * | 1978-06-02 | 1982-06-08 | Texas Instruments Incorporated | Transparent intelligent network for data and voice |
US4278977A (en) * | 1979-05-04 | 1981-07-14 | Rca Corporation | Range determining system |
US4291403A (en) * | 1979-05-22 | 1981-09-22 | Rockwell International Corporation | Digital implementation of parity monitor and alarm |
US4309764A (en) * | 1979-06-22 | 1982-01-05 | Bell Telephone Laboratories, Incorporated | Technique for increasing the rain margin of a satellite communication system |
US4322848A (en) * | 1980-06-26 | 1982-03-30 | Communications Satellite Corporation | Reliability-weighted analog threshold decoder |
US4359733A (en) * | 1980-09-23 | 1982-11-16 | Neill Gerard K O | Satellite-based vehicle position determining system |
US4455651A (en) * | 1980-10-20 | 1984-06-19 | Equatorial Communications Company | Satellite communications system and apparatus |
US4363123A (en) * | 1980-12-01 | 1982-12-07 | Northern Telecom Limited | Method of and apparatus for monitoring digital transmission systems in which line transmission errors are detected |
US4422171A (en) * | 1980-12-29 | 1983-12-20 | Allied Corporation, Law Department | Method and system for data communication |
JPS5835414A (ja) * | 1981-08-28 | 1983-03-02 | Hitachi Ltd | 磁気式エンコ−ダ |
JPS58153436A (ja) * | 1982-03-08 | 1983-09-12 | Fuji Xerox Co Ltd | 誤り再送方式 |
US4519080A (en) * | 1982-10-29 | 1985-05-21 | Communications Satellite Corporation | Analog threshold decoder |
DE3481784D1 (de) * | 1983-01-19 | 1990-05-03 | Standard Elektrik Lorenz Ag | Positionsbestimmungssystem. |
JPS61501063A (ja) * | 1984-01-11 | 1986-05-22 | テレビツト コ−ポレイシヨン | パケット化アンサンブルモデム |
US4653053A (en) * | 1984-05-11 | 1987-03-24 | Harris Corporation | Performance monitoring of antijam satellite communication network |
-
1984
- 1984-09-14 US US06/650,493 patent/US4744083A/en not_active Expired - Lifetime
-
1985
- 1985-08-23 EP EP85110616A patent/EP0174540A3/en not_active Withdrawn
- 1985-08-27 AU AU46803/85A patent/AU578970B2/en not_active Ceased
- 1985-08-30 IN IN625/CAL/85A patent/IN165055B/en unknown
- 1985-09-06 CA CA000490180A patent/CA1249033A/en not_active Expired
- 1985-09-11 BR BR8504398A patent/BR8504398A/pt unknown
- 1985-09-13 MX MX206629A patent/MX159402A/es unknown
- 1985-09-14 JP JP60204174A patent/JPH0815266B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0174540A3 (en) | 1988-03-30 |
CA1249033A (en) | 1989-01-17 |
IN165055B (es) | 1989-08-12 |
US4744083A (en) | 1988-05-10 |
JPS61112439A (ja) | 1986-05-30 |
EP0174540A2 (en) | 1986-03-19 |
JPH0815266B2 (ja) | 1996-02-14 |
AU4680385A (en) | 1986-03-27 |
BR8504398A (pt) | 1986-07-08 |
AU578970B2 (en) | 1988-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX159402A (es) | Mejoras en sistema de comunicacion por radio | |
DE3751327D1 (de) | Funksystem. | |
GB2154347B (en) | Paging communication system | |
DE3586942D1 (de) | Fahrzeugantennensystem. | |
DE3684521D1 (de) | Fahrzeugantennensystem. | |
DE3689457D1 (de) | Radiofernsprechsystem. | |
DK318883D0 (da) | Radiokommunikationssystem | |
NO904009L (no) | Celleoppdelt radiokommunikasjonssystem. | |
DE3578593D1 (de) | Funkuebertragungssystem. | |
DE3583878D1 (de) | Kommunikationssystem. | |
DE3576263D1 (de) | Radio-empfaenger. | |
DE3686963D1 (de) | Funkuebertragungssystem. | |
BR8701012A (pt) | Sistema de comunicacao | |
DE3675999D1 (de) | Fahrzeugantennensystem. | |
DE3676279D1 (de) | Fahrzeugantennensystem. | |
ATA179685A (de) | Simplex-funksystem | |
DE3685272D1 (de) | Fahrzeugantennensystem. | |
BR8501051A (pt) | Sistema de barbeador | |
DE3485098D1 (de) | Radio-kommunikationssystem. | |
DE3669808D1 (de) | Fahrzeugantennensystem. | |
MX154063A (es) | Mejoras en sistema de radiocomunicacion | |
ES527607A0 (es) | Sistema de radiotelefonia | |
ES532674A0 (es) | Sistema de interfonia | |
SE8403790D0 (sv) | Communicationsantennsystem for handhallna, mobila samt batradio | |
MX162080A (es) | Mejoras en sistema de construccion |