GB1458273A - Microwave relay system - Google Patents

Microwave relay system

Info

Publication number
GB1458273A
GB1458273A GB99174A GB99174A GB1458273A GB 1458273 A GB1458273 A GB 1458273A GB 99174 A GB99174 A GB 99174A GB 99174 A GB99174 A GB 99174A GB 1458273 A GB1458273 A GB 1458273A
Authority
GB
United Kingdom
Prior art keywords
frequency
amplifier
signal
subcarrier
amplitude
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB99174A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB1458273A publication Critical patent/GB1458273A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Details Of Television Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB99174A 1973-01-12 1974-01-09 Microwave relay system Expired GB1458273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48006723A JPS49100914A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-01-12 1973-01-12

Publications (1)

Publication Number Publication Date
GB1458273A true GB1458273A (en) 1976-12-15

Family

ID=11646164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB99174A Expired GB1458273A (en) 1973-01-12 1974-01-09 Microwave relay system

Country Status (5)

Country Link
US (1) US3860870A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS49100914A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2401186C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1458273A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1003390B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2233006C2 (ru) * 2002-10-02 2004-07-20 Заренков Вячеслав Адамович Устройство для учета рейсов автосамосвалов

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725063C2 (de) * 1977-06-03 1983-01-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur Übertragung eines Dienstkanals
US4214205A (en) * 1978-07-05 1980-07-22 British Aircraft Corporation Radio receiving and retransmitting apparatus with frequency lock circuit
US4363129A (en) * 1980-12-11 1982-12-07 Motorola, Inc. Method and means of minimizing simulcast distortion in a receiver when using a same-frequency repeater
US4809006A (en) * 1986-05-30 1989-02-28 General Electric Company Satellite communications using the telemetry tracking and control system
US4941198A (en) * 1987-11-12 1990-07-10 Peninsula Engineering Group, Inc. Communications repeater monitoring system
JPH0693704B2 (ja) * 1989-04-19 1994-11-16 山武ハネウエル株式会社 ベースバンド信号通信装置
US5673252A (en) * 1990-02-15 1997-09-30 Itron, Inc. Communications protocol for remote data generating stations
US5237419A (en) * 1991-03-06 1993-08-17 Electronic Missiles & Communications, Inc. (Emcee) Television signal repeater with improved aural separation
JP3122196B2 (ja) * 1991-10-31 2001-01-09 株式会社東芝 無線通信装置
JP3287015B2 (ja) * 1992-07-07 2002-05-27 富士通株式会社 補助信号伝送方式
US5465269A (en) * 1994-02-02 1995-11-07 Motorola, Inc. Method and apparatus for encoding and decoding a supplementary signal
US7058817B1 (en) * 1999-07-02 2006-06-06 The Chase Manhattan Bank System and method for single sign on process for websites with multiple applications and services
US7321864B1 (en) * 1999-11-04 2008-01-22 Jpmorgan Chase Bank, N.A. System and method for providing funding approval associated with a project based on a document collection
WO2001033477A2 (en) * 1999-11-04 2001-05-10 Jpmorgan Chase Bank System and method for automated financial project management
US8571975B1 (en) 1999-11-24 2013-10-29 Jpmorgan Chase Bank, N.A. System and method for sending money via E-mail over the internet
US7426530B1 (en) * 2000-06-12 2008-09-16 Jpmorgan Chase Bank, N.A. System and method for providing customers with seamless entry to a remote server
US10185936B2 (en) * 2000-06-22 2019-01-22 Jpmorgan Chase Bank, N.A. Method and system for processing internet payments
US8335855B2 (en) * 2001-09-19 2012-12-18 Jpmorgan Chase Bank, N.A. System and method for portal infrastructure tracking
US7103556B2 (en) * 2000-11-02 2006-09-05 Jpmorgan Chase Bank, N.A. System and method for aggregate portfolio client support
US8849716B1 (en) 2001-04-20 2014-09-30 Jpmorgan Chase Bank, N.A. System and method for preventing identity theft or misuse by restricting access
WO2002099598A2 (en) 2001-06-07 2002-12-12 First Usa Bank, N.A. System and method for rapid updating of credit information
US7266839B2 (en) * 2001-07-12 2007-09-04 J P Morgan Chase Bank System and method for providing discriminated content to network users
US7103576B2 (en) * 2001-09-21 2006-09-05 First Usa Bank, Na System for providing cardless payment
AU2002363138A1 (en) * 2001-11-01 2003-05-12 First Usa Bank, N.A. System and method for establishing or modifying an account with user selectable terms
US7987501B2 (en) * 2001-12-04 2011-07-26 Jpmorgan Chase Bank, N.A. System and method for single session sign-on
US7353383B2 (en) 2002-03-18 2008-04-01 Jpmorgan Chase Bank, N.A. System and method for single session sign-on with cryptography
US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
US7234065B2 (en) * 2002-09-17 2007-06-19 Jpmorgan Chase Bank System and method for managing data privacy
US7058660B2 (en) * 2002-10-02 2006-06-06 Bank One Corporation System and method for network-based project management
US8301493B2 (en) * 2002-11-05 2012-10-30 Jpmorgan Chase Bank, N.A. System and method for providing incentives to consumers to share information
US20040153418A1 (en) * 2003-02-05 2004-08-05 Hanweck Gerald Alfred System and method for providing access to data from proprietary tools
US7376838B2 (en) 2003-07-17 2008-05-20 Jp Morgan Chase Bank Method for controlled and audited access to privileged accounts on computer systems
US20050055555A1 (en) * 2003-09-05 2005-03-10 Rao Srinivasan N. Single sign-on authentication system
US7421696B2 (en) 2003-12-22 2008-09-02 Jp Morgan Chase Bank Methods and systems for managing successful completion of a network of processes
US8583926B1 (en) 2005-09-19 2013-11-12 Jpmorgan Chase Bank, N.A. System and method for anti-phishing authentication
JP4140920B2 (ja) * 2006-04-20 2008-08-27 インターナショナル・ビジネス・マシーンズ・コーポレーション 個人情報の保護を支援する情報処理装置
US8793490B1 (en) 2006-07-14 2014-07-29 Jpmorgan Chase Bank, N.A. Systems and methods for multifactor authentication
US8473735B1 (en) 2007-05-17 2013-06-25 Jpmorgan Chase Systems and methods for managing digital certificates
US8321682B1 (en) 2008-01-24 2012-11-27 Jpmorgan Chase Bank, N.A. System and method for generating and managing administrator passwords
US9608826B2 (en) * 2009-06-29 2017-03-28 Jpmorgan Chase Bank, N.A. System and method for partner key management
US9419957B1 (en) 2013-03-15 2016-08-16 Jpmorgan Chase Bank, N.A. Confidence-based authentication
US10148726B1 (en) 2014-01-24 2018-12-04 Jpmorgan Chase Bank, N.A. Initiating operating system commands based on browser cookies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378298A (en) * 1943-03-12 1945-06-12 Press Wireless Inc Composite-modulation radio service system
BE464402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1945-02-06
US3389337A (en) * 1965-07-29 1968-06-18 Bell Telephone Labor Inc Regenerative repeater using multimode oscillator
DE2129264A1 (de) * 1970-06-15 1972-02-17 Nippon Electric Co System zur Einspeisung von Signalen in eine Mikrowellen Relais Kette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2233006C2 (ru) * 2002-10-02 2004-07-20 Заренков Вячеслав Адамович Устройство для учета рейсов автосамосвалов

Also Published As

Publication number Publication date
IT1003390B (it) 1976-06-10
DE2401186A1 (de) 1974-07-25
DE2401186C2 (de) 1982-06-03
US3860870A (en) 1975-01-14
JPS49100914A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-24

Similar Documents

Publication Publication Date Title
GB1458273A (en) Microwave relay system
CA2051325A1 (en) Optical communication system
GB998935A (en) Fm multichannel radio link repeater station of the channel blanking and inserting type
GB582044A (en) Improvements in multiplex radio systems
GB797696A (en) Improvements in or relating to single-sideband radio transmission systems
GB868952A (en) Compatible single sideband radio transmission system
GB784663A (en) Improvements in or relating to single-sideband radio transmission systems
GB1153811A (en) Coherent CATV Transmission System
ES375107A1 (es) Sistema de supervision para repetidores no atendidos.
JPS55133148A (en) Interference wave removal system
US2462874A (en) Multichannel electrical pulse communication system
KR100252920B1 (ko) 통신 기지국의 수신 주파수 회로에 포함된 잡음제거 장치
SU546112A1 (ru) Устройство передачи сигналов вещани по каналам многоканальных систем св зи
US2866088A (en) Radio communication within shielded enclosures
GB413647A (en) Improvements in or relating to carrier wave transmission systems
GB952033A (en) Improvements in transmission systems and transmitters and receivers therefor
US3490044A (en) Communications system
GB591357A (en) Improvements in or relating to carrier wave transmitter systems
JPS609381B2 (ja) Ｓｃｐｃ用空中線追尾受信装置
GB1372905A (en) Apparatus for tesring data modems which simultaneously transmit and receive freuquency multiplexed signals
GB705946A (en) Improvements in or relating to electric signalling systems
JPS57152739A (en) Transmission system for optical cable
JPS56168438A (en) Band compressing and transmitting system
GB633007A (en) Improvements in and relating to carrier transmission systems
GB937949A (en) Improvements in or relating to carrier current communication systems incorporating repeaters

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940108