ES8304390A1 - Perfeccionamientos en un receptor de onda ultra corta para un sistema de radiodifusion. - Google Patents
Perfeccionamientos en un receptor de onda ultra corta para un sistema de radiodifusion.Info
- Publication number
- ES8304390A1 ES8304390A1 ES512552A ES512552A ES8304390A1 ES 8304390 A1 ES8304390 A1 ES 8304390A1 ES 512552 A ES512552 A ES 512552A ES 512552 A ES512552 A ES 512552A ES 8304390 A1 ES8304390 A1 ES 8304390A1
- Authority
- ES
- Spain
- Prior art keywords
- modulation
- subcarrier
- recognition
- station
- announcement
- 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
- 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
- H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/091—Traffic information broadcasting
- G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Near-Field Transmission Systems (AREA)
- Burglar Alarm Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Selective Calling Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
Abstract
RECEPTOR DE FRECUENCIAS ULTRACORTAS. EL DECODIFICADOR RADIOFONICO DISPONE DE UNA INSTALACION DE MEDICION (15), SUPLEMENTADA CON UN CIRCUITO (34-35) QUE SUMINISTRA UNA SEÑAL DE CONTROL A LA INSTALACION DE CONMUTACION (4) EN EL NIVEL DE BAJA FRECUENCIA, TAN PRONTO COMO EN DICHA INSTALACION (10) SE DETECTA UNA CAIDA SIGNIFICATIVA DEL GRADO DE MODULACION DE LA SUBPORTADORA DESDE UN VALOR PREFIJADO DEL 60%. DE APLICACION ESPECIALMENTE EN RECEPCION DE INFORMACION SOBRE EL ESTADO DEL TRAFICO RODADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3121034A DE3121034C2 (de) | 1981-05-27 | 1981-05-27 | UKW-Empfänger |
Publications (2)
Publication Number | Publication Date |
---|---|
ES512552A0 ES512552A0 (es) | 1983-02-16 |
ES8304390A1 true ES8304390A1 (es) | 1983-02-16 |
Family
ID=6133302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES512552A Expired ES8304390A1 (es) | 1981-05-27 | 1982-05-26 | Perfeccionamientos en un receptor de onda ultra corta para un sistema de radiodifusion. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4450589A (es) |
EP (1) | EP0066037B1 (es) |
JP (1) | JPS57199350A (es) |
KR (1) | KR880000677B1 (es) |
AT (1) | ATE9414T1 (es) |
BR (1) | BR8202131A (es) |
CA (1) | CA1173509A (es) |
DE (1) | DE3121034C2 (es) |
ES (1) | ES8304390A1 (es) |
MX (1) | MX151127A (es) |
ZA (1) | ZA822251B (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3143468A1 (de) * | 1981-11-03 | 1983-05-11 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Ukw-empfaenger |
DE3211813A1 (de) * | 1982-03-31 | 1983-10-13 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zur kontrolle der empfangsbereitschaft eines stummgeschalteten warnfunk-empfaengers |
DE3310792C2 (de) * | 1983-03-24 | 1986-07-03 | Allgemeiner Deutscher Automobilclub (ADAC) e.V., 8000 München | Rundfunkempfänger mit Verkehrsfunkdecoder |
US4561115A (en) * | 1984-03-08 | 1985-12-24 | Itt Industries, Inc. | Decoder for traffic information regional tone signals |
DE3467648D1 (en) * | 1984-06-01 | 1987-12-23 | Itt Ind Gmbh Deutsche | Integrated circuit for decoding traffic radio announcement identification signals |
DE3709523A1 (de) * | 1987-03-23 | 1988-10-13 | Bosch Gmbh Robert | Rundfunkempfaenger mit mindestens einem verkehrsfunkdecoder |
DE3810177C2 (de) * | 1988-03-25 | 1999-06-17 | Bosch Gmbh Robert | Rundfunkempfänger, insbesondere Fahrzeugempfänger |
DE3820639A1 (de) * | 1988-06-18 | 1989-12-21 | Bosch Gmbh Robert | Stromsparende stand-by-funktion in tmc-empfaengern |
DE3820640C2 (de) * | 1988-06-18 | 1997-04-03 | Bosch Gmbh Robert | Auswerteverfahren digitaler Verkehrsnachrichten |
DE3824309A1 (de) * | 1988-07-18 | 1990-01-25 | Bosch Gmbh Robert | Verfahren zur auswertung von in einem datentelegramm digital codiert empfangener verkehrsnachrichten, sowie rundfunkempfaenger |
DE3906780C1 (es) * | 1989-03-03 | 1990-08-30 | Blaupunkt-Werke Gmbh, 3200 Hildesheim, De | |
AU5544690A (en) * | 1989-04-17 | 1990-11-16 | Spingarn, James L. | Technique for using a subcarrier frequency of a radio station to transmit, receive and display a message together with audio reproduction of the radio program |
US5146612A (en) * | 1989-04-17 | 1992-09-08 | Spingarn James L | Technique for using a subcarrier frequency of a radio station to transmit, receive and display a message together with audio reproduction of the radio program |
US5095532A (en) * | 1989-12-29 | 1992-03-10 | Robert Bosch Gmbh | Method and apparatus for route-selective reproduction of broadcast traffic announcements |
US5193214A (en) * | 1989-12-29 | 1993-03-09 | Robert Bosch Gmbh | Vehicular radio receiver with standard traffic problem database |
DE4024366C2 (de) * | 1990-08-01 | 1993-12-09 | Blaupunkt Werke Gmbh | Autoradio mit einem Radiodatensignaldecoder |
US5134719A (en) | 1991-02-19 | 1992-07-28 | Mankovitz Roy J | Apparatus and methods for identifying broadcast audio program selections in an FM stereo broadcast system |
EP0777204A1 (en) * | 1992-07-23 | 1997-06-04 | Toyota Jidosha Kabushiki Kaisha | Vehicle route guidance apparatus |
US5428610A (en) * | 1992-11-10 | 1995-06-27 | World Communication Ventures, Inc. | FM radio system employing time shared wide SCA for digital data band |
JPH07106989A (ja) * | 1993-09-30 | 1995-04-21 | Sony Corp | 受信装置 |
GB2283844B (en) * | 1993-11-13 | 1997-06-11 | Nokia Mobile Phones Ltd | Detection of pager signal in FM radio transmission |
JPH08256069A (ja) * | 1995-03-16 | 1996-10-01 | Sanyo Electric Co Ltd | Fm多重放送受信回路及びそれを用いた受信機 |
JPH0916200A (ja) * | 1995-06-30 | 1997-01-17 | Olympus Optical Co Ltd | 音声記録再生装置 |
US8593266B2 (en) * | 1999-07-01 | 2013-11-26 | Oilfield Equipment Development Center Limited | Power line communication system |
US20090072995A1 (en) * | 2006-06-21 | 2009-03-19 | Dave Thomas | Method and apparatus for transmitting information between a primary vehicle and a secondary vehicle |
US8350720B2 (en) * | 2006-06-21 | 2013-01-08 | Dave Thomas | Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles |
US20070296609A1 (en) * | 2006-06-21 | 2007-12-27 | Dave Thomas | Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles |
DE102009012913B4 (de) * | 2009-03-12 | 2017-03-09 | Infineon Technologies Ag | Verfahren und Schaltung zum Betreiben eines Mischers |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2051034C3 (de) * | 1970-10-17 | 1978-11-02 | Hessischer Rundfunk, 6000 Frankfurt | UKW-Rundfunk-Stereophonie-Übertragungssystem |
DE2240941C3 (de) * | 1972-08-19 | 1979-04-19 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren zur Kennzeichnung von Verkehrsfunkbereichen |
DE2408947C3 (de) * | 1974-02-25 | 1979-02-22 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zur Frequenzerkennung auf dem Gebiet des Verkehrsfunkempfangs |
US3922607A (en) * | 1974-08-14 | 1975-11-25 | Drake Co R L | Radio broadcasting system |
DE2460983A1 (de) * | 1974-12-21 | 1976-07-01 | Standard Elektrik Lorenz Ag | Rundfunkempfangsgeraet |
DE2533946C3 (de) * | 1975-07-30 | 1980-07-17 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Zusatzschaltung zum Erkennen eines Pilotsignals |
DE2651484C3 (de) * | 1976-11-11 | 1981-10-29 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Erkennungsschaltung für Verkehrsrundfunkinformationen |
DE2725068C2 (de) * | 1977-06-03 | 1983-05-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung für einen Rundfunkempfänger |
DE2731571C3 (de) * | 1977-07-13 | 1980-12-04 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth | Schaltungsanordnung zur Steuerung von Modellfahrzeugen mittels PDM-Signal-Ketten |
DE2950284C2 (de) * | 1979-12-14 | 1983-06-01 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung eines Verkehrsrundfunkdecoders |
-
1981
- 1981-05-27 DE DE3121034A patent/DE3121034C2/de not_active Expired
- 1981-11-09 US US06/319,655 patent/US4450589A/en not_active Expired - Fee Related
-
1982
- 1982-02-05 AT AT82100825T patent/ATE9414T1/de not_active IP Right Cessation
- 1982-02-05 EP EP82100825A patent/EP0066037B1/de not_active Expired
- 1982-03-31 CA CA000399948A patent/CA1173509A/en not_active Expired
- 1982-04-01 ZA ZA822251A patent/ZA822251B/xx unknown
- 1982-04-14 BR BR8202131A patent/BR8202131A/pt unknown
- 1982-04-23 MX MX192406A patent/MX151127A/es unknown
- 1982-05-25 JP JP57087390A patent/JPS57199350A/ja active Pending
- 1982-05-26 KR KR828202331A patent/KR880000677B1/ko active
- 1982-05-26 ES ES512552A patent/ES8304390A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57199350A (en) | 1982-12-07 |
ZA822251B (en) | 1983-02-23 |
BR8202131A (pt) | 1983-03-22 |
ATE9414T1 (de) | 1984-09-15 |
DE3121034A1 (de) | 1982-12-23 |
US4450589A (en) | 1984-05-22 |
DE3121034C2 (de) | 1987-01-02 |
CA1173509A (en) | 1984-08-28 |
EP0066037B1 (de) | 1984-09-12 |
KR840000117A (ko) | 1984-01-30 |
ES512552A0 (es) | 1983-02-16 |
MX151127A (es) | 1984-10-03 |
EP0066037A1 (de) | 1982-12-08 |
KR880000677B1 (ko) | 1988-04-20 |
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