SE431602B - Antennisolerande anordning i en televisionsmottagare - Google Patents

Antennisolerande anordning i en televisionsmottagare

Info

Publication number
SE431602B
SE431602B SE7901134A SE7901134A SE431602B SE 431602 B SE431602 B SE 431602B SE 7901134 A SE7901134 A SE 7901134A SE 7901134 A SE7901134 A SE 7901134A SE 431602 B SE431602 B SE 431602B
Authority
SE
Sweden
Prior art keywords
transmission line
current conductor
antenna
conductor
core
Prior art date
Application number
SE7901134A
Other languages
English (en)
Swedish (sv)
Other versions
SE7901134L (sv
Inventor
W L Lehmann
Original Assignee
Rca Corp
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.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of SE7901134L publication Critical patent/SE7901134L/
Publication of SE431602B publication Critical patent/SE431602B/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00Fixed transformers or mutual inductances of the signal type
    • H01F19/04Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00Fixed transformers or mutual inductances of the signal type
    • H01F19/04Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08Transformers having magnetic bias, e.g. for handling pulses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00Fixed transformers or mutual inductances of the signal type
    • H01F19/04Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085Transformer for galvanic isolation
SE7901134A 1978-02-15 1979-02-08 Antennisolerande anordning i en televisionsmottagare SE431602B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/878,131 US4173742A (en) 1978-02-15 1978-02-15 Antenna isolation device

Publications (2)

Publication Number Publication Date
SE7901134L SE7901134L (sv) 1979-08-16
SE431602B true SE431602B (sv) 1984-02-13

Family

ID=25371449

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7901134A SE431602B (sv) 1978-02-15 1979-02-08 Antennisolerande anordning i en televisionsmottagare

Country Status (20)

Country Link
US (1) US4173742A (fi)
JP (1) JPS5830771B2 (fi)
AU (1) AU531218B2 (fi)
BE (1) BE874136A (fi)
CA (1) CA1137179A (fi)
DE (1) DE2905821C2 (fi)
DK (1) DK63379A (fi)
ES (1) ES477748A1 (fi)
FI (1) FI790424A (fi)
FR (1) FR2417897A1 (fi)
GB (1) GB2014797B (fi)
HU (1) HU178083B (fi)
IT (1) IT1192689B (fi)
MX (1) MX4315E (fi)
NL (1) NL7901189A (fi)
NO (1) NO790490L (fi)
NZ (1) NZ189651A (fi)
PL (1) PL118819B1 (fi)
SE (1) SE431602B (fi)
ZA (1) ZA79553B (fi)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397037A (en) * 1981-08-19 1983-08-02 Rca Corporation Diplexer for television tuning systems
US4555809A (en) * 1983-10-26 1985-11-26 Rca Corporation R.F. Diplexing and multiplexing means
JPS62179471A (ja) * 1986-02-03 1987-08-06 ハルキー ロバーツ コーポレーション 気管内カフ指示器
GB8613314D0 (en) * 1986-06-02 1986-07-09 Era Patents Ltd Microwave apparatus
US4789845A (en) * 1988-01-20 1988-12-06 Prabhakara Reddy Broad band hybrid signal splitter
DE3811983A1 (de) * 1988-04-11 1989-10-19 Siemens Ag Anordnung zum betrieb einer symmetrischen hochfrequenz-antenne
JP2737942B2 (ja) * 1988-08-22 1998-04-08 ソニー株式会社 受信機
US5351018A (en) * 1992-11-25 1994-09-27 Thomson Consumer Electronics, Inc. Antenna isolation assembly for hot chassis receiver
JPH06310337A (ja) * 1993-04-23 1994-11-04 Murata Mfg Co Ltd アンテナコネクタ
EP0801404A1 (en) * 1996-03-25 1997-10-15 Bark-Lee Yee Induction device for high radio frequency signal distributor
US5892412A (en) * 1997-02-20 1999-04-06 Lucent Technologies Inc. Method of and an apparatus for tunable passive-gain equalization
JP4055125B2 (ja) * 2002-12-24 2008-03-05 日本光電工業株式会社 同軸ケーブルおよびそれを用いた伝送トランス
KR20040028829A (ko) * 2004-01-19 2004-04-03 박영석 발룬트랜스 조립제작방법
KR20120133587A (ko) * 2011-05-31 2012-12-11 삼성전기주식회사 지상파 방송용 수신 모듈
GB201209086D0 (en) * 2012-05-24 2012-07-04 Technetix Bv Improvements relating to Ferromagnetic Transformer Cores
US9953756B2 (en) * 2012-09-21 2018-04-24 Ppc Broadband, Inc. Radio frequency transformer winding coil structure
GB201500772D0 (en) * 2015-01-16 2015-03-04 Rybtchinskaia Elena Transmission line transformer
US10504647B2 (en) * 2017-04-03 2019-12-10 Bel Fuse (Macao Commercial Off Magnetic transformer having increased bandwidth for high speed data communications
US10478561B2 (en) 2017-08-03 2019-11-19 Minhong Yu Wireless transmission system with integrated sensing capability
JP6724887B2 (ja) * 2017-12-05 2020-07-15 株式会社村田製作所 バルントランスおよびその製造方法
WO2022214708A1 (en) * 2021-04-09 2022-10-13 UWB X Limited Ultrawideband isolating transformers with microwave junctions to interconnect windings and external ports

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757343A (en) * 1950-11-25 1956-07-31 Philco Corp Coupling network for television tuners
US2865006A (en) * 1954-02-15 1958-12-16 Sabaroff Samuel Longitudinal isolation device for high frequency signal transmission lines
US3449704A (en) * 1967-03-16 1969-06-10 Tdk Electronics Co Ltd Impedance transformer for vhf bands
US3938046A (en) * 1974-10-21 1976-02-10 Sarkes Tarzian, Inc. Network for isolating antenna from tuner

Also Published As

Publication number Publication date
FI790424A (fi) 1979-08-16
PL118819B1 (en) 1981-10-31
SE7901134L (sv) 1979-08-16
GB2014797B (en) 1982-08-04
GB2014797A (en) 1979-08-30
AU531218B2 (en) 1983-08-18
BE874136A (fr) 1979-05-29
AU4393079A (en) 1979-08-23
IT7920135A0 (it) 1979-02-12
NZ189651A (en) 1982-12-21
PL213448A1 (pl) 1979-12-17
JPS5830771B2 (ja) 1983-07-01
DE2905821A1 (de) 1979-08-16
HU178083B (en) 1982-03-28
IT1192689B (it) 1988-05-04
NO790490L (no) 1979-08-16
DK63379A (da) 1979-08-16
DE2905821C2 (de) 1984-05-24
JPS54117607A (en) 1979-09-12
FR2417897B1 (fi) 1984-03-09
ES477748A1 (es) 1979-12-01
ZA79553B (en) 1980-02-27
CA1137179A (en) 1982-12-07
FR2417897A1 (fr) 1979-09-14
US4173742A (en) 1979-11-06
MX4315E (es) 1982-03-19
NL7901189A (nl) 1979-08-17

Similar Documents

Publication Publication Date Title
SE431602B (sv) Antennisolerande anordning i en televisionsmottagare
JPH0244401B2 (fi)
US6750752B2 (en) High power wideband balun and power combiner/divider incorporating such a balun
US4267529A (en) TV antenna isolation system
KR100413585B1 (ko) 단일 피드점 정합 시스템
US4631504A (en) Impedance conversion transformer
US5032808A (en) R.F. choke for CATV system
KR880000164B1 (ko) 다중대역 안테나 결합회로망
US6163238A (en) Fast variable RF network inductor
US5805042A (en) Radio frequency low hum-modulation AC bypass coil
US2709219A (en) High-frequency transformer and circuit
US3529233A (en) Lattice type phase shifting network
US3311831A (en) Coaxial combiner-separator for combining or separating different electrical signals
US2591081A (en) Radio-frequency transformer
US4156173A (en) Input impedance matching of a bipolar transistor employing a coaxial transformer
KR820002404B1 (ko) 신호 처리 장치
Noguchi et al. Increasing the bandwidth of a meander line antenna consisting of two strips
US5754142A (en) High efficiency antenna using parallel conductors, single conductor and supporting materials
US2727149A (en) Balanced multisection inductance units for high frequency signal systems and the like
US2972146A (en) Folded dipole antenna with internally mounted loading means
JP2001060520A (ja) 高周波チョークコイル
JP3095267B2 (ja) チョークコイル
JP3621468B2 (ja) 多周波同調型ループアンテナ装置
JP7322973B2 (ja) 電子回路
US2243180A (en) All-wave radio receiving system

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7901134-2

Effective date: 19880125

Format of ref document f/p: F