DK524989A - Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere - Google Patents
Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendereInfo
- Publication number
- DK524989A DK524989A DK524989A DK524989A DK524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A
- Authority
- DK
- Denmark
- Prior art keywords
- phase
- frequency
- modulation
- signals
- transmitter
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- 238000010276 construction Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 2
- 230000001143 conditioned effect Effects 0.000 abstract 1
- 230000002596 correlated effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect 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
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Small-Scale Networks (AREA)
- Radio Relay Systems (AREA)
- Magnetic Ceramics (AREA)
- Toys (AREA)
- Table Devices Or Equipment (AREA)
- Optical Communication System (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
DK524989D0 DK524989D0 (da) | 1989-10-23 |
DK524989A true DK524989A (da) | 1990-04-25 |
Family
ID=22993727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK524989A DK524989A (da) | 1988-10-24 | 1989-10-23 | Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere |
Country Status (11)
Country | Link |
---|---|
US (1) | US5031230A (da) |
EP (1) | EP0367077B1 (da) |
JP (1) | JP3069568B2 (da) |
KR (1) | KR0127640B1 (da) |
AT (1) | ATE175533T1 (da) |
AU (1) | AU628393B2 (da) |
CA (1) | CA1300236C (da) |
DE (1) | DE68928896T2 (da) |
DK (1) | DK524989A (da) |
FI (1) | FI894986A0 (da) |
NO (1) | NO894166L (da) |
Families Citing this family (18)
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 |
US5648999A (en) * | 1994-08-30 | 1997-07-15 | Harris Corporation | Remote recording device and method |
US5651049A (en) * | 1994-08-30 | 1997-07-22 | Harris Corporation | RF connected message recording device and method for a telephone system |
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 |
US20050078832A1 (en) * | 2002-02-18 | 2005-04-14 | Van De Par Steven Leonardus Josephus Dimphina Elisabeth | Parametric audio coding |
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)
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 |
EP0152407B1 (en) * | 1983-05-12 | 1987-11-25 | AT&T Corp. | Communication network |
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 |
-
1988
- 1988-10-24 US US07/261,530 patent/US5031230A/en not_active Expired - Lifetime
-
1989
- 1989-09-28 CA CA000614064A patent/CA1300236C/en not_active Expired - Lifetime
- 1989-10-02 AU AU42473/89A patent/AU628393B2/en not_active Ceased
- 1989-10-19 NO NO89894166A patent/NO894166L/no unknown
- 1989-10-19 FI FI894986A patent/FI894986A0/fi not_active IP Right Cessation
- 1989-10-20 JP JP27191289A patent/JP3069568B2/ja not_active Expired - Fee Related
- 1989-10-23 DK DK524989A patent/DK524989A/da not_active Application Discontinuation
- 1989-10-24 AT AT89119766T patent/ATE175533T1/de not_active IP Right Cessation
- 1989-10-24 EP EP89119766A patent/EP0367077B1/en not_active Expired - Lifetime
- 1989-10-24 DE DE68928896T patent/DE68928896T2/de not_active Expired - Fee Related
- 1989-10-24 KR KR1019890015271A patent/KR0127640B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1300236C (en) | 1992-05-05 |
DK524989D0 (da) | 1989-10-23 |
EP0367077B1 (en) | 1999-01-07 |
DE68928896T2 (de) | 1999-09-16 |
FI894986A0 (fi) | 1989-10-19 |
US5031230A (en) | 1991-07-09 |
KR900007194A (ko) | 1990-05-09 |
JP3069568B2 (ja) | 2000-07-24 |
AU4247389A (en) | 1990-04-26 |
ATE175533T1 (de) | 1999-01-15 |
EP0367077A2 (en) | 1990-05-09 |
NO894166D0 (no) | 1989-10-19 |
NO894166L (no) | 1990-04-25 |
JPH02180448A (ja) | 1990-07-13 |
KR0127640B1 (ko) | 1998-10-01 |
AU628393B2 (en) | 1992-09-17 |
EP0367077A3 (en) | 1991-08-28 |
DE68928896D1 (de) | 1999-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |