ES478159A1 - Antena activa incorporada en el parabrisas de los vehiculos. - Google Patents
Antena activa incorporada en el parabrisas de los vehiculos.Info
- Publication number
- ES478159A1 ES478159A1 ES478159A ES478159A ES478159A1 ES 478159 A1 ES478159 A1 ES 478159A1 ES 478159 A ES478159 A ES 478159A ES 478159 A ES478159 A ES 478159A ES 478159 A1 ES478159 A1 ES 478159A1
- Authority
- ES
- Spain
- Prior art keywords
- active window
- motor vehicles
- antenna
- window antenna
- amplifier
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1271—Supports; Mounting means for mounting on windscreens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Aerials (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Antena activa incorporada en el parabrisas de los vehículos, caracterizada porque comprende un conductor de antena dispuesto en o sobre un parabrisas y con una conexión de amplificación que muestra una entrada de altos ohmios de transistor en el campo AM, sintonizados entre sí, caracterizada por un circuito regulador que en relación con el voltaje de salida de la conexión de amplificación regula ésta.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2808745A DE2808745C2 (de) | 1978-03-01 | 1978-03-01 | Aktive Scheibenantenne für Kraftfahrzeuge mit einer breitbandigen HF-Verstärkerschaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
ES478159A1 true ES478159A1 (es) | 1979-07-01 |
Family
ID=6033236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES478159A Expired ES478159A1 (es) | 1978-03-01 | 1979-02-28 | Antena activa incorporada en el parabrisas de los vehiculos. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4247954A (es) |
JP (1) | JPS54136260A (es) |
BE (1) | BE874527A (es) |
DE (1) | DE2808745C2 (es) |
ES (1) | ES478159A1 (es) |
FR (1) | FR2418968A1 (es) |
GB (1) | GB2019681B (es) |
IT (1) | IT1119665B (es) |
SE (1) | SE7901710L (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0797722B2 (ja) * | 1983-04-22 | 1995-10-18 | 住友電気工業株式会社 | 車載tvアンテナ |
DE3514052C2 (de) * | 1985-04-18 | 1994-09-15 | Lindenmeier Heinz | Anordnung zur Linearisierung eines Hochfrequenzverstärkers in einer aktiven Empfangsantenne |
US4739516A (en) * | 1986-01-17 | 1988-04-19 | A. Van Brackel & Sons, Inc. | Frequency tuned antenna assembly |
DE3626575C1 (de) * | 1986-08-06 | 1987-10-15 | Telefunken Electronic Gmbh | Umschaltbarer Tunervorverstaerker |
US4910796A (en) * | 1986-09-01 | 1990-03-20 | Harada Kogyo Kabushiki Kaisha | Automobile antenna |
FI82333C (fi) * | 1989-04-24 | 1991-02-11 | Telenokia Oy | Radiosaendares hoegfrekvensfoerstaerkare. |
GB8914700D0 (en) * | 1989-06-27 | 1989-08-16 | Charlton William S | Rear view mirrors including radio aerials |
DE4134177C2 (de) * | 1991-10-16 | 1994-02-10 | Telefunken Microelectron | Schaltungsanordnung mit einer Dual-Gate-Feldeffekttransistor-Tetrode |
GB2271030B (en) * | 1992-09-29 | 1996-11-20 | Issam Moh D Ahmed Wadi | Auto - volume control system |
US5428830A (en) * | 1993-09-17 | 1995-06-27 | Ford Motor Company | Concealed antenna system with remote variable gain RF amplifier |
US6553214B1 (en) | 1999-05-05 | 2003-04-22 | Tenatronics Limited | Active window glass antenna system with automatic overload protection circuit |
DE19934744A1 (de) * | 1999-07-23 | 2001-02-08 | Temic Telefunken Hochfrequenzt | Abstimmbarer AM/FM-Antennenverstärker |
KR100535386B1 (ko) | 2002-12-03 | 2005-12-08 | 현대자동차주식회사 | 차량의 글래스 안테나를 이용한 전파 수신 방법 및 이를이용한 차량용 오디오 시스템 |
JP6386573B2 (ja) * | 2014-09-26 | 2018-09-05 | Necスペーステクノロジー株式会社 | 出力電力制御装置 |
JP2023023135A (ja) * | 2021-08-04 | 2023-02-16 | Agc株式会社 | 車両用窓ガラス |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2949533A (en) * | 1959-04-17 | 1960-08-16 | Collins Radio Co | Automatic gain control circuit for use in transistor amplifiers |
US3351861A (en) * | 1964-06-08 | 1967-11-07 | Collins Radio Co | Dual time constant avc circuit |
DE1591506A1 (es) * | 1966-06-13 | |||
US3404347A (en) * | 1966-11-03 | 1968-10-01 | Rca Corp | Gain controlled amplifier using multiple gate field-effect transistor as the active element thereof |
DE1274204B (de) * | 1967-04-14 | 1968-08-01 | Blaupunkt Werke Gmbh | Eingangsschaltung fuer Empfaenger fuer hochfrequente elektrische Schwingungen |
US3557309A (en) * | 1967-10-02 | 1971-01-19 | Cecil R Graham | Amplifier with automatic gain control |
US3480873A (en) * | 1967-12-11 | 1969-11-25 | Rca Corp | Gain control biasing circuits for field-effect transistors |
DE1616238B2 (de) * | 1968-02-06 | 1972-09-21 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Rundfunkempfaenger mit einer regelbaren eingangsstufe |
DE1801820A1 (de) * | 1968-10-08 | 1970-07-16 | Philips Nv | Verstaerkerschaltung zum Verstaerken elektrischer Signale |
GB1234656A (es) * | 1968-10-08 | 1971-06-09 | ||
US3582791A (en) * | 1968-12-11 | 1971-06-01 | Bendix Corp | Antenna coupling and tuning circuit |
US3566276A (en) * | 1969-05-15 | 1971-02-23 | Itt | Slow rate agc circuit |
GB1320909A (en) * | 1969-08-29 | 1973-06-20 | Plessey Co Ltd | Aerial arrangements |
JPS5148907Y1 (es) * | 1970-03-04 | 1976-11-25 | ||
US3693096A (en) * | 1970-12-01 | 1972-09-19 | Charles M Dosey | Antenna coupling and r.f. tuning circuit |
DE2336320A1 (de) * | 1973-07-17 | 1975-02-06 | Hans Heinrich Prof Dr Meinke | Empfangsantenne fuer kraftfahrzeuge |
DE2406324A1 (de) * | 1974-02-09 | 1975-08-14 | Kolbe & Co Hans | Antenne |
DE2533355C3 (de) * | 1975-07-25 | 1985-12-05 | Texas Instruments Deutschland Gmbh, 8050 Freising | Regelbarer Verstärker für HF-Eingangsstufen |
JPS5610015Y2 (es) * | 1975-10-15 | 1981-03-05 | ||
DE2558834C2 (de) * | 1975-12-27 | 1982-08-26 | Gerhard Prof. Dr.-Ing. 8012 Ottobrunn Flachenecker | Aktive Unipol-Empfangsantenne |
DE2558862A1 (de) * | 1975-12-27 | 1977-07-07 | Hans Heinrich Prof Dr Meinke | Aktive autoantenne |
AT360589B (de) * | 1976-07-07 | 1981-01-26 | Siemens Ag Oesterreich | Antennensteckdosenabzweigung |
DE2639947C2 (de) * | 1976-09-04 | 1983-10-06 | Vereinigte Glaswerke Gmbh, 5100 Aachen | Aktive Scheibenantenne für LMK- und UKW- Empfang in Kraftfahrzeugen |
-
1978
- 1978-03-01 DE DE2808745A patent/DE2808745C2/de not_active Expired
-
1979
- 1979-02-26 SE SE7901710A patent/SE7901710L/ not_active Application Discontinuation
- 1979-02-27 GB GB7906818A patent/GB2019681B/en not_active Expired
- 1979-02-27 US US06/015,860 patent/US4247954A/en not_active Expired - Lifetime
- 1979-02-28 ES ES478159A patent/ES478159A1/es not_active Expired
- 1979-02-28 BE BE0/193760A patent/BE874527A/xx not_active IP Right Cessation
- 1979-02-28 FR FR7905159A patent/FR2418968A1/fr active Granted
- 1979-02-28 IT IT67436/79A patent/IT1119665B/it active
- 1979-03-01 JP JP2258879A patent/JPS54136260A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2418968B1 (es) | 1983-12-16 |
GB2019681B (en) | 1982-06-16 |
GB2019681A (en) | 1979-10-31 |
SE7901710L (sv) | 1979-09-02 |
IT7967436A0 (it) | 1979-02-28 |
US4247954A (en) | 1981-01-27 |
JPS54136260A (en) | 1979-10-23 |
FR2418968A1 (fr) | 1979-09-28 |
DE2808745A1 (de) | 1979-09-06 |
BE874527A (fr) | 1979-08-28 |
IT1119665B (it) | 1986-03-10 |
DE2808745C2 (de) | 1983-10-06 |
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