SE431278B - Berfrekvenssystem - Google Patents

Berfrekvenssystem

Info

Publication number: SE431278B
Authority: SE; Sweden
Prior art keywords: khz; frequency; transmission; level; carrier frequency
Prior art date: 1977-04-23

Application number

SE7804597A

Other languages

English (en)

Swedish (sv)

Other versions

SE7804597L (sv

Inventor

S Friedrich

Original Assignee

Tekade Felten & Guilleaume

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.)

1977-04-23

Filing date

1978-04-21

Publication date

1984-01-23

1978-04-21 Application filed by Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume

1978-10-24 Publication of SE7804597L publication Critical patent/SE7804597L/xx

1984-01-23 Publication of SE431278B publication Critical patent/SE431278B/sv

Links

230000005540 biological transmission Effects 0.000 claims description 38
238000000034 method Methods 0.000 claims description 6
230000017105 transposition Effects 0.000 claims description 3
230000001419 dependent effect Effects 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
230000002411 adverse Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000009499 grossing Methods 0.000 description 1
230000005571 horizontal transmission Effects 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
239000010453 quartz Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
230000002277 temperature effect Effects 0.000 description 1

Classifications

- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Near-Field Transmission Systems (AREA)

SE7804597A 1977-04-23 1978-04-21 Berfrekvenssystem SE431278B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2718232A DE2718232C3 (de)	1977-04-23	1977-04-23	Trägerfrequenzsystem in Zweidraht-Getrenntlage

Publications (2)

Publication Number	Publication Date
SE7804597L SE7804597L (sv)	1978-10-24
SE431278B true SE431278B (sv)	1984-01-23

Family

ID=6007147

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7804597A SE431278B (sv)	1977-04-23	1978-04-21	Berfrekvenssystem

Country Status (9)

Country	Link
AT (1)	AT371644B (fr)
BE (1)	BE866217A (fr)
DE (1)	DE2718232C3 (fr)
FR (1)	FR2388444A1 (fr)
GB (1)	GB1580279A (fr)
IE (1)	IE46625B1 (fr)
IT (1)	IT1094720B (fr)
SE (1)	SE431278B (fr)
YU (1)	YU95578A (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR960562A (fr) *	1940-03-29	1950-04-20
DE955608C (de) *	1943-02-12	1957-01-03	Telefunken Gmbh	Traegerfrequenzuebertragungssystem
DE1256709B (de) *	1964-08-17	1967-12-21	Standard Elektrik Lorenz Ag	Verfahren zur Frequenzstabilisierung der Traeger durch Mituebertragen einer Steuerfrequenz in Traegerfrequenzsystemen
DE2543492C3 (de) *	1975-09-30	1980-09-25	Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg	Trägerfrequenzsystem in Zweidraht-Getrenntlage

1977
- 1977-04-23 DE DE2718232A patent/DE2718232C3/de not_active Expired
1978
- 1978-04-18 FR FR7812601A patent/FR2388444A1/fr active Granted
- 1978-04-20 IT IT22515/78A patent/IT1094720B/it active
- 1978-04-20 BE BE6046438A patent/BE866217A/fr not_active IP Right Cessation
- 1978-04-20 AT AT0283278A patent/AT371644B/de not_active IP Right Cessation
- 1978-04-21 GB GB15841/78A patent/GB1580279A/en not_active Expired
- 1978-04-21 IE IE795/78A patent/IE46625B1/en unknown
- 1978-04-21 YU YU00955/78A patent/YU95578A/xx unknown
- 1978-04-21 SE SE7804597A patent/SE431278B/sv unknown

Also Published As

Publication number	Publication date
FR2388444A1 (fr)	1978-11-17
IT1094720B (it)	1985-08-02
DE2718232A1 (de)	1978-10-26
IE46625B1 (en)	1983-08-10
DE2718232C3 (de)	1981-03-19
FR2388444B1 (fr)	1984-02-17
ATA283278A (de)	1982-11-15
YU95578A (en)	1982-06-30
DE2718232B2 (de)	1980-07-03
BE866217A (fr)	1978-08-14
AT371644B (de)	1983-07-11
IE780795L (en)	1978-10-23
SE7804597L (sv)	1978-10-24
GB1580279A (en)	1980-12-03
IT7822515A0 (it)	1978-04-20

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