FI894986A0 - Speciellt i simultansaendningssystem anvaendbart frekvens-, fas- och modulationsregleringssystem. - Google Patents

Speciellt i simultansaendningssystem anvaendbart frekvens-, fas- och modulationsregleringssystem.

Info

Publication number
FI894986A0
FI894986A0 FI894986A FI894986A FI894986A0 FI 894986 A0 FI894986 A0 FI 894986A0 FI 894986 A FI894986 A FI 894986A FI 894986 A FI894986 A FI 894986A FI 894986 A0 FI894986 A0 FI 894986A0
Authority
FI
Finland
Prior art keywords
phase
signals
frequency
modulation
transmitter
Prior art date
Application number
FI894986A
Other languages
English (en)
Finnish (fi)
Inventor
Joel Sandahl
Michael P O'brien
Thomas P Donaher
Original Assignee
Simulcomm Partnership
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 Simulcomm Partnership filed Critical Simulcomm Partnership
Publication of FI894986A0 publication Critical patent/FI894986A0/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/67Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0491Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)
  • Magnetic Ceramics (AREA)
  • Toys (AREA)
  • Table Devices Or Equipment (AREA)
  • Optical Communication System (AREA)
FI894986A 1988-10-24 1989-10-19 Speciellt i simultansaendningssystem anvaendbart frekvens-, fas- och modulationsregleringssystem. FI894986A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/261,530 US5031230A (en) 1988-10-24 1988-10-24 Frequency, phase and modulation control system which is especially useful in simulcast transmission systems

Publications (1)

Publication Number Publication Date
FI894986A0 true FI894986A0 (fi) 1989-10-19

Family

ID=22993727

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894986A FI894986A0 (fi) 1988-10-24 1989-10-19 Speciellt i simultansaendningssystem anvaendbart frekvens-, fas- och modulationsregleringssystem.

Country Status (11)

Country Link
US (1) US5031230A (ja)
EP (1) EP0367077B1 (ja)
JP (1) JP3069568B2 (ja)
KR (1) KR0127640B1 (ja)
AT (1) ATE175533T1 (ja)
AU (1) AU628393B2 (ja)
CA (1) CA1300236C (ja)
DE (1) DE68928896T2 (ja)
DK (1) DK524989A (ja)
FI (1) FI894986A0 (ja)
NO (1) NO894166L (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972439A (en) * 1989-01-19 1990-11-20 Motorola, Inc. Active signalling transmitter control
US5239671A (en) * 1990-11-13 1993-08-24 Pagemart, Inc. Simulcast satellite paging system with provision for signal interruption
US5689808A (en) * 1991-10-10 1997-11-18 Motorola, Inc. Multiple channel automatic simulcast control system
NL9101908A (nl) * 1991-11-15 1993-06-01 Ericsson Radio Systems Bv Zenderingangstrap met adaptieve frequentiedeviatiebesturing.
GB2262205B (en) * 1991-12-04 1995-12-13 Motorola Gmbh Simulcast communications system
US5473638A (en) * 1993-01-06 1995-12-05 Glenayre Electronics, Inc. Digital signal processor delay equalization for use in a paging system
US5651049A (en) * 1994-08-30 1997-07-22 Harris Corporation RF connected message recording device and method for a telephone system
US5648999A (en) * 1994-08-30 1997-07-15 Harris Corporation Remote recording device and method
US5995850A (en) * 1997-04-02 1999-11-30 Glenayre Electronics, Inc. Method and apparatus for on-the-fly mode change in a paging transmitter
US6167351A (en) * 1998-03-24 2000-12-26 Tektronix, Inc. Period determination of a periodic signal
JP3988392B2 (ja) * 2001-01-24 2007-10-10 日本電気株式会社 携帯無線端末、afc制御方法及びafc制御プログラム
JP3649179B2 (ja) * 2001-12-04 2005-05-18 住友電気工業株式会社 移動体通信装置
CN1705980A (zh) * 2002-02-18 2005-12-07 皇家飞利浦电子股份有限公司 参数音频编码
US20030189904A1 (en) * 2002-04-04 2003-10-09 Li Jonathan Q. Sampling fractal internet protocol traffic with bounded error tolerance and response time
DE10354468A1 (de) 2003-11-21 2005-06-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Überwachung der Trägerfrequenzstabilität von Sendern in einem Gleichwellennetz
EP2074485A2 (en) * 2006-10-11 2009-07-01 Quartex, a division of Primex, Inc. Traceable record generation system and method using wireless networks
KR101335859B1 (ko) * 2011-10-07 2013-12-02 주식회사 팬택 통신 기기의 음성 통화 품질 최적화 시스템
US9832093B1 (en) * 2014-02-26 2017-11-28 Keysight Technologies, Inc. Method for injecting timing variations into continuous signals

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023116A (en) * 1976-07-08 1977-05-10 Fairchild Camera And Instrument Corporation Phase-locked loop frequency synthesizer
US4188582A (en) * 1978-04-10 1980-02-12 Motorola, Inc. Simulcast transmission system having phase-locked remote transmitters
US4316152A (en) * 1979-09-24 1982-02-16 Hewlett-Packard Company Data tracking phase locked loop
US4305045A (en) * 1979-11-14 1981-12-08 Bell Telephone Laboratories, Incorporated Phase locked loop clock synchronizing circuit with programmable controller
DE3035759A1 (de) * 1980-09-22 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum ausgleichen von laufzeitunterschieden bei der uebertragung von signalen zu gleichwellen-funksendern
FR2516249B1 (fr) * 1981-11-10 1985-09-06 Tech Electro Cie Indle Dispositif de compensation d'une horloge locale et dispositif de radio-navigation, notamment omega, le comprenant
SE439083B (sv) * 1981-11-30 1985-05-28 Ellemtel Utvecklings Ab Sett att bringa en oscillator i fas med en inkommande signal jemte anordning for genomforandet av settet
US4516269A (en) * 1982-12-10 1985-05-07 Michigan Consolidated Gas Company Automatic equalization for a simulcast communication system
JPS60501286A (ja) * 1983-05-12 1985-08-08 アメリカン テレフオン アンド テレグラフ カムパニ− 通信ネットワ−ク
US4715001A (en) * 1984-08-23 1987-12-22 Motorola, Inc. Extremely accurate automatic frequency control circuit and method therefor
DE3604965C1 (de) * 1986-02-17 1987-09-10 Nixdorf Computer Ag Verfahren und Schaltungsanordnung zum Synchronisieren eines insbesondere einer Vermittlungseinrichtung zugehoerigen spannungsgesteuerten Oszillators
US4718109A (en) * 1986-03-06 1988-01-05 Motorola, Inc. Automatic synchronization system
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system

Also Published As

Publication number Publication date
DE68928896D1 (de) 1999-02-18
AU4247389A (en) 1990-04-26
EP0367077A3 (en) 1991-08-28
DK524989A (da) 1990-04-25
KR0127640B1 (ko) 1998-10-01
US5031230A (en) 1991-07-09
JP3069568B2 (ja) 2000-07-24
ATE175533T1 (de) 1999-01-15
EP0367077A2 (en) 1990-05-09
DE68928896T2 (de) 1999-09-16
NO894166L (no) 1990-04-25
CA1300236C (en) 1992-05-05
EP0367077B1 (en) 1999-01-07
DK524989D0 (da) 1989-10-23
NO894166D0 (no) 1989-10-19
AU628393B2 (en) 1992-09-17
JPH02180448A (ja) 1990-07-13
KR900007194A (ko) 1990-05-09

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: SIMULCOM PARTNERSHIP