DK428385A - Baandafhaengig omskiftelig vhf-blanderkredsloebsanordning - Google Patents

Baandafhaengig omskiftelig vhf-blanderkredsloebsanordning Download PDF

Info

Publication number: DK428385A
Authority: DK; Denmark
Prior art keywords: band; resistance; vhf; circuit device; iii
Prior art date: 1984-01-20

Application number

DK428385A

Other languages

English (en)

Other versions

DK428385D0 (da

DK164348C (da

DK164348B (da

Inventor

G Maier

B Fischer

E Kirschner

Original Assignee

Thomson Brandt Gmbh

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.)

1984-01-20

Filing date

1985-09-20

Publication date

1985-09-20

1985-09-20 Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh

1985-09-20 Publication of DK428385D0 publication Critical patent/DK428385D0/da

1985-09-20 Publication of DK428385A publication Critical patent/DK428385A/da

1992-06-09 Publication of DK164348B publication Critical patent/DK164348B/da

1992-11-16 Application granted granted Critical

1992-11-16 Publication of DK164348C publication Critical patent/DK164348C/da

Links

230000001419 dependent effect Effects 0.000 abstract 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Superheterodyne Receivers (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Error Detection And Correction (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Noise Elimination (AREA)
Filters And Equalizers (AREA)
Picture Signal Circuits (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

DK428385A 1984-01-20 1985-09-20 Baandafhaengig omskiftelig vhf-blanderkredsloebsanordning DK164348C (da)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE3401863A DE3401863C2 (de)	1984-01-20	1984-01-20	Bandabhängig schaltbare VHF-Mischerschaltungsanordnung
DE3401863		1984-01-20
EP8500013		1985-01-16
PCT/EP1985/000013 WO1985003393A1 (en)	1984-01-20	1985-01-16	Band-dependent switchable vhf mixer circuit arrangement

Publications (4)

Publication Number	Publication Date
DK428385D0 DK428385D0 (da)	1985-09-20
DK428385A true DK428385A (da)	1985-09-20
DK164348B DK164348B (da)	1992-06-09
DK164348C DK164348C (da)	1992-11-16

Family

ID=6225434

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK428385A DK164348C (da)	1984-01-20	1985-09-20	Baandafhaengig omskiftelig vhf-blanderkredsloebsanordning

Country Status (8)

Country	Link
US (1)	US4731876A (da)
EP (1)	EP0150037B1 (da)
JP (1)	JPH0638566B2 (da)
AT (1)	ATE36100T1 (da)
DE (2)	DE3401863C2 (da)
DK (1)	DK164348C (da)
FI (1)	FI83006C (da)
WO (1)	WO1985003393A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3939740C2 (de) *	1989-12-01	1996-11-28	Telefunken Microelectron	Mischstufe
US6147543A (en)	1996-01-19	2000-11-14	Motorola, Inc.	Method and apparatus for selecting from multiple mixers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL238713A (da) *	1958-05-01
US3064197A (en) *	1960-09-20	1962-11-13	Collins Radio Co	Automatic noise limiter circuit
US3458819A (en) *	1966-10-05	1969-07-29	Hazeltine Research Inc	Uhf-if or vhf-if converter
FR2008640A1 (da) *	1968-05-16	1970-01-23	Rca Corp
JPS5115315A (en) *	1974-07-29	1976-02-06	Hitachi Ltd	Vhf terebichuunano kongokairo
ZA764974B (en) *	1975-08-25	1977-07-27	Rca Corp	Mixer bias circuit for varactor television tuners
JPS5424513A (en) *	1977-07-27	1979-02-23	Sony Corp	Tuner
DE2849178A1 (de) *	1978-11-13	1980-05-29	Philips Patentverwaltung	Schaltungsanordnung fuer die anpassungs- und frequenzbereichsumschaltung der frequenzbestimmenden elemente und der verstaerkerelemente in einer abstimmeinrichtung, d.h. sogenanntem tuner, eines fernsehempfaengers
JPS5831122B2 (ja) *	1979-01-19	1983-07-04	仁伊藤	混合回路
US4361910A (en) *	1981-06-15	1982-11-30	Teller Jr Howard S	Ground loop injection VHF tuner

1984
- 1984-01-20 DE DE3401863A patent/DE3401863C2/de not_active Expired
1985
- 1985-01-16 EP EP85100364A patent/EP0150037B1/de not_active Expired
- 1985-01-16 AT AT85100364T patent/ATE36100T1/de not_active IP Right Cessation
- 1985-01-16 DE DE8585100364T patent/DE3564066D1/de not_active Expired
- 1985-01-16 JP JP50054285A patent/JPH0638566B2/ja not_active Expired - Lifetime
- 1985-01-16 WO PCT/EP1985/000013 patent/WO1985003393A1/de not_active Ceased
- 1985-08-30 FI FI853349A patent/FI83006C/fi not_active IP Right Cessation
- 1985-09-20 US US06/778,149 patent/US4731876A/en not_active Expired - Fee Related
- 1985-09-20 DK DK428385A patent/DK164348C/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0150037B1 (de)	1988-07-27
DE3401863C2 (de)	1986-01-30
DK428385D0 (da)	1985-09-20
DE3401863A1 (de)	1985-08-01
JPS61500945A (ja)	1986-05-08
FI83006B (fi)	1991-01-31
FI83006C (fi)	1991-05-10
DK164348C (da)	1992-11-16
DE3564066D1 (en)	1988-09-01
FI853349A0 (fi)	1985-08-30
ATE36100T1 (de)	1988-08-15
US4731876A (en)	1988-03-15
WO1985003393A1 (en)	1985-08-01
FI853349L (fi)	1985-08-30
EP0150037A3 (en)	1985-08-14
EP0150037A2 (de)	1985-07-31
JPH0638566B2 (ja)	1994-05-18
DK164348B (da)	1992-06-09

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Legal Events

Date	Code	Title	Description
1994-09-26	PBP	Patent lapsed