NO843981L - Demodulatorer - Google Patents

Demodulatorer

Info

Publication number: NO843981L
Authority: NO; Norway
Prior art keywords: signal; microprocessor; data; demodulator; stated
Prior art date: 1983-02-04

Application number

NO843981A

Other languages

English (en)

Norwegian (no)

Inventor

Paul Francis Turney

Original Assignee

Mcmichael 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.)

1983-02-04

Filing date

1984-10-03

Publication date

1984-10-03

1984-10-03 Application filed by Mcmichael Ltd filed Critical Mcmichael Ltd

1984-10-03 Publication of NO843981L publication Critical patent/NO843981L/no

Links

238000005070 sampling Methods 0.000 claims abstract description 14
238000007620 mathematical function Methods 0.000 claims description 6
230000000737 periodic effect Effects 0.000 claims description 3
238000010586 diagram Methods 0.000 description 11
230000010363 phase shift Effects 0.000 description 8
238000011084 recovery Methods 0.000 description 8
238000004891 communication Methods 0.000 description 6
238000001914 filtration Methods 0.000 description 6
230000014509 gene expression Effects 0.000 description 4
238000000034 method Methods 0.000 description 4
230000007704 transition Effects 0.000 description 4
238000012986 modification Methods 0.000 description 3
230000004048 modification Effects 0.000 description 3
230000008054 signal transmission Effects 0.000 description 3
239000004020 conductor Substances 0.000 description 2
238000012937 correction Methods 0.000 description 2
230000010354 integration Effects 0.000 description 2
230000011664 signaling Effects 0.000 description 2
230000001360 synchronised effect Effects 0.000 description 2
238000013459 approach Methods 0.000 description 1
239000000969 carrier Substances 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
238000013016 damping Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
238000007639 printing Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000013139 quantization Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000009877 rendering Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

NO843981A 1983-02-04 1984-10-03 Demodulatorer NO843981L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8303144		1983-02-04

Publications (1)

Publication Number	Publication Date
NO843981L true NO843981L (no)	1984-10-03

Family

ID=10537484

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO843981A NO843981L (no)	1983-02-04	1984-10-03	Demodulatorer

Country Status (6)

Country	Link
EP (1)	EP0118214A3 (da)
JP (1)	JPS60500555A (da)
DK (1)	DK460184D0 (da)
GB (1)	GB2136250A (da)
NO (1)	NO843981L (da)
WO (1)	WO1984003188A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4675863A (en)	1985-03-20	1987-06-23	International Mobile Machines Corp.	Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
GB2173364B (en) *	1985-04-03	1988-10-05	Stc Plc	Digital zero if circuit
US4825448A (en) *	1986-08-07	1989-04-25	International Mobile Machines Corporation	Subscriber unit for wireless digital telephone system
EP0262842A3 (en) *	1986-10-03	1989-08-30	Hycom Incorporated	Fsk modem
US5565606A (en) *	1986-10-21	1996-10-15	Hoechst Aktiengesellschaft	Synthesis of peptide aminoalkylamides and peptide hydrazides by the solid-phase method
GB2202715B (en) *	1987-03-24	1991-03-20	Dr Frank Robert Connor	Minimum relative shift keying
JPH0824260B2 (ja) *	1987-05-26	1996-03-06	日本電気株式会社	位相比較器
JP2795761B2 (ja) *	1991-09-25	1998-09-10	シャープ株式会社	Ｍｓｋ信号復調回路
US5546383A (en)	1993-09-30	1996-08-13	Cooley; David M.	Modularly clustered radiotelephone system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3736507A (en) *	1971-08-19	1973-05-29	Communications Satellite Co	Phase ambiguity resolution for four phase psk communications systems
US4085449A (en) *	1976-11-26	1978-04-18	Paradyne Corporation	Digital modem
US4333150A (en) *	1980-01-28	1982-06-01	Westinghouse Electric Corp.	Signal receiving apparatus and method

1984
- 1984-02-03 WO PCT/GB1984/000028 patent/WO1984003188A1/en not_active Ceased
- 1984-02-03 GB GB08402957A patent/GB2136250A/en not_active Withdrawn
- 1984-02-03 EP EP84300682A patent/EP0118214A3/en not_active Withdrawn
- 1984-02-03 JP JP59500854A patent/JPS60500555A/ja active Pending
- 1984-09-26 DK DK460184A patent/DK460184D0/da not_active Application Discontinuation
- 1984-10-03 NO NO843981A patent/NO843981L/no unknown

Also Published As

Publication number	Publication date
GB2136250A (en)	1984-09-12
JPS60500555A (ja)	1985-04-18
WO1984003188A1 (en)	1984-08-16
DK460184A (da)	1984-09-26
EP0118214A2 (en)	1984-09-12
GB8402957D0 (en)	1984-03-07
DK460184D0 (da)	1984-09-26
EP0118214A3 (en)	1984-12-12

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