NO891817L - Digital dqpsk dekoder delkrets. - Google Patents

Digital dqpsk dekoder delkrets.

Info

Publication number: NO891817L
Authority: NO; Norway
Prior art keywords: part circuit; dqpsk; digital; decodes part; decodes
Prior art date: 1987-11-06

Application number

NO89891817A

Other languages

English (en)

Other versions

NO180140B (no

NO891817D0 (no

NO180140C (no

Inventor

Soenke Mehrgardt

Heinrich Pfeifer

Thomas Hilpert

Original Assignee

Itt Ind Gmbh Deutsche

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.)

1987-11-06

Filing date

1989-05-02

Publication date

1989-05-18

1989-05-02 Application filed by Itt Ind Gmbh Deutsche filed Critical Itt Ind Gmbh Deutsche

1989-05-02 Publication of NO891817D0 publication Critical patent/NO891817D0/no

1989-05-18 Publication of NO891817L publication Critical patent/NO891817L/no

1996-11-11 Publication of NO180140B publication Critical patent/NO180140B/no

1997-02-19 Publication of NO180140C publication Critical patent/NO180140C/no

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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Microcomputers (AREA)

NO891817A 1987-11-06 1989-05-02 Digital DQPSK dekoder delkrets NO180140C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/EP1987/000683 WO1989004572A1 (en)	1987-11-06	1987-11-06	Digital dqpsk decoder circuit element

Publications (4)

Publication Number	Publication Date
NO891817D0 NO891817D0 (no)	1989-05-02
NO891817L true NO891817L (no)	1989-05-18
NO180140B NO180140B (no)	1996-11-11
NO180140C NO180140C (no)	1997-02-19

Family

ID=8165215

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO891817A NO180140C (no)	1987-11-06	1989-05-02	Digital DQPSK dekoder delkrets

Country Status (7)

Country	Link
EP (1)	EP0387245B1 (no)
CN (1)	CN1011463B (no)
DE (1)	DE3773399D1 (no)
DK (1)	DK170848B1 (no)
FI (1)	FI89758C (no)
NO (1)	NO180140C (no)
WO (1)	WO1989004572A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0592978B1 (en) *	1992-10-13	1999-06-16	Nec Corporation	Frequency stabilizer for use in phase-shift keying radio communications system
US7245672B2 (en) *	2002-06-27	2007-07-17	Telefonaktiebolaget Lm Ericsson (Publ)	Method and apparatus for phase-domain semi-coherent demodulation
CN100438520C (zh) *	2003-12-25	2008-11-26	电子科技大学	1比特采样的差分四相相移键控的解调电路
US7469022B2 (en) *	2004-11-23	2008-12-23	Via Technologies, Inc.	Methods and apparatus for symmetrical phase-shift keying
FR2982674B1 (fr) *	2011-11-10	2015-01-16	Renault Sas	Procede et systeme de mesure de courant electrique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4019149A (en) *	1976-01-16	1977-04-19	Bell Telephone Laboratories, Incorporated	Correlative data demodulator

1987
- 1987-11-06 WO PCT/EP1987/000683 patent/WO1989004572A1/de not_active Ceased
- 1987-11-06 DE DE8787907755T patent/DE3773399D1/de not_active Expired - Lifetime
- 1987-11-06 EP EP87907755A patent/EP0387245B1/de not_active Expired - Lifetime
1988
- 1988-11-04 CN CN88107543A patent/CN1011463B/zh not_active Expired
- 1988-12-22 DK DK717288A patent/DK170848B1/da not_active IP Right Cessation
1989
- 1989-01-04 FI FI890034A patent/FI89758C/fi not_active IP Right Cessation
- 1989-05-02 NO NO891817A patent/NO180140C/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
WO1989004572A1 (en)	1989-05-18
NO180140B (no)	1996-11-11
DK717288D0 (da)	1988-12-22
CN1011463B (zh)	1991-01-30
NO891817D0 (no)	1989-05-02
CN1035597A (zh)	1989-09-13
NO180140C (no)	1997-02-19
EP0387245B1 (de)	1991-09-25
DK170848B1 (da)	1996-02-05
FI890034A7 (fi)	1989-05-07
FI890034A0 (fi)	1989-01-04
FI89758B (fi)	1993-07-30
FI89758C (fi)	1993-11-10
DK717288A (da)	1989-06-20
DE3773399D1 (de)	1991-10-31
EP0387245A1 (de)	1990-09-19

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Legal Events

Date	Code	Title	Description
2007-12-03	MK1K	Patent expired