BR8907727A - Processo de transmitir simultaneamente por radio e televisao sinal emitido distinto a partir de pelo menos dois locais remotos e processo de transmissao simultanea por radio e televisao - Google Patents

Processo de transmitir simultaneamente por radio e televisao sinal emitido distinto a partir de pelo menos dois locais remotos e processo de transmissao simultanea por radio e televisao

Info

Publication number
BR8907727A
BR8907727A BR898907727A BR8907727A BR8907727A BR 8907727 A BR8907727 A BR 8907727A BR 898907727 A BR898907727 A BR 898907727A BR 8907727 A BR8907727 A BR 8907727A BR 8907727 A BR8907727 A BR 8907727A
Authority
BR
Brazil
Prior art keywords
radio
television
distinct
simultaneous transmission
remote locations
Prior art date
Application number
BR898907727A
Other languages
English (en)
Inventor
Robert L Epsom
Paul M Erickson
Paul J Cizek
Christopher H Wilson
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of BR8907727A publication Critical patent/BR8907727A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • 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
    • H04B7/2625—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using common wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Relay Systems (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
BR898907727A 1988-10-21 1989-09-22 Processo de transmitir simultaneamente por radio e televisao sinal emitido distinto a partir de pelo menos dois locais remotos e processo de transmissao simultanea por radio e televisao BR8907727A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26152888A 1988-10-21 1988-10-21
PCT/US1989/004059 WO1990004889A1 (en) 1988-10-21 1989-09-22 Improved simulcast broadcasting system and method

Publications (1)

Publication Number Publication Date
BR8907727A true BR8907727A (pt) 1991-07-30

Family

ID=22993715

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898907727A BR8907727A (pt) 1988-10-21 1989-09-22 Processo de transmitir simultaneamente por radio e televisao sinal emitido distinto a partir de pelo menos dois locais remotos e processo de transmissao simultanea por radio e televisao

Country Status (5)

Country Link
EP (1) EP0439515A4 (pt)
AU (1) AU620939B2 (pt)
BR (1) BR8907727A (pt)
CA (2) CA1306502C (pt)
WO (1) WO1990004889A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201061A (en) * 1990-07-23 1993-04-06 Motorola, Inc. Method and apparatus for synchronizing simulcast systems
US5768260A (en) * 1993-06-02 1998-06-16 Telefonaktiebolaget Lm Ericsson Device for changing the transmission parameters in a radio transmitter
TW449983B (en) * 1998-12-21 2001-08-11 Intel Corp Data broadcast error sampling
DE19918829A1 (de) * 1999-04-22 2000-10-26 Deutsche Telekom Ag Verfahren zur Qualitätskontrolle für digitale Rundfunkübertragung im Mittel- und Kurzwellenbereich
FR2927756B1 (fr) * 2008-02-19 2010-06-18 Tdf Reseau de transmission synchrone de donnees et procede de surveillance d'un tel reseau.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255814A (en) * 1977-07-15 1981-03-10 Motorola, Inc. Simulcast transmission system
US4188582A (en) * 1978-04-10 1980-02-12 Motorola, Inc. Simulcast transmission system having phase-locked remote transmitters
US4317220A (en) * 1979-02-05 1982-02-23 Andre Martin Simulcast transmission system
US4317217A (en) * 1980-08-11 1982-02-23 Motorola, Inc. Tag generator for a same-frequency repeater
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
US4570265A (en) * 1981-11-23 1986-02-11 Motorola, Inc. Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems
US4475246A (en) * 1982-12-21 1984-10-02 Motorola, Inc. Simulcast same frequency repeater system
US4578815A (en) * 1983-12-07 1986-03-25 Motorola, Inc. Wide area coverage radio communication system and method
FI71452C (fi) * 1985-04-10 1986-12-19 Arvo Mustonen Synkroniseringsfoerfarande foer ett lokalt t ex riksomfattandepersonsoekarnaets radiosaendare
US4696052A (en) * 1985-12-31 1987-09-22 Motorola Inc. Simulcast transmitter apparatus having automatic synchronization capability
US4718109A (en) * 1986-03-06 1988-01-05 Motorola, Inc. Automatic synchronization system

Also Published As

Publication number Publication date
WO1990004889A1 (en) 1990-05-03
CA1316985C (en) 1993-04-27
AU4485389A (en) 1990-05-14
EP0439515A1 (en) 1991-08-07
EP0439515A4 (en) 1992-03-18
CA1306502C (en) 1992-08-18
AU620939B2 (en) 1992-02-27

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