ZA822252B - A v.h.f. receiver for a radio transmission system and a method of operating it - Google Patents
A v.h.f. receiver for a radio transmission system and a method of operating itInfo
- Publication number
- ZA822252B ZA822252B ZA822252A ZA822252A ZA822252B ZA 822252 B ZA822252 B ZA 822252B ZA 822252 A ZA822252 A ZA 822252A ZA 822252 A ZA822252 A ZA 822252A ZA 822252 B ZA822252 B ZA 822252B
- Authority
- ZA
- South Africa
- Prior art keywords
- subcarrier
- modulation
- announcement
- receiver
- recognition
- Prior art date
Links
Classifications
-
- 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)
- 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)
- Details Of Aerials (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Selective Calling Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3121088A DE3121088C2 (de) | 1981-05-27 | 1981-05-27 | UKW-Empfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA822252B true ZA822252B (en) | 1983-02-23 |
Family
ID=6133336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA822252A ZA822252B (en) | 1981-05-27 | 1982-04-01 | A v.h.f. receiver for a radio transmission system and a method of operating it |
Country Status (10)
Country | Link |
---|---|
US (1) | US4435843A (es) |
EP (1) | EP0065615B1 (es) |
JP (1) | JPS57199349A (es) |
AT (1) | ATE9413T1 (es) |
BR (1) | BR8202128A (es) |
CA (1) | CA1173508A (es) |
DE (1) | DE3121088C2 (es) |
ES (1) | ES8304389A1 (es) |
MX (1) | MX150248A (es) |
ZA (1) | ZA822252B (es) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3211813A1 (de) * | 1982-03-31 | 1983-10-13 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zur kontrolle der empfangsbereitschaft eines stummgeschalteten warnfunk-empfaengers |
US4561115A (en) * | 1984-03-08 | 1985-12-24 | Itt Industries, Inc. | Decoder for traffic information regional tone signals |
DE3438286A1 (de) * | 1984-10-16 | 1986-04-17 | Hansen/Catito Elektronik, 1000 Berlin | Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale |
JPS6265516A (ja) * | 1985-09-17 | 1987-03-24 | Pioneer Electronic Corp | 自動車用ステレオ受信機 |
DE3709523A1 (de) * | 1987-03-23 | 1988-10-13 | Bosch Gmbh Robert | Rundfunkempfaenger mit mindestens einem verkehrsfunkdecoder |
US4792803A (en) * | 1987-06-08 | 1988-12-20 | Madnick Peter A | Traffic monitoring and reporting system |
US4887086A (en) * | 1987-07-28 | 1989-12-12 | Trycomm Technologies, Inc. | Combination scanner and radar detector |
DE3743213A1 (de) * | 1987-12-19 | 1989-06-29 | Blaupunkt Werke Gmbh | Ukw-empfaenger |
DE3810177C2 (de) * | 1988-03-25 | 1999-06-17 | Bosch Gmbh Robert | Rundfunkempfänger, insbesondere Fahrzeugempfänger |
DE3820640C2 (de) * | 1988-06-18 | 1997-04-03 | Bosch Gmbh Robert | Auswerteverfahren digitaler Verkehrsnachrichten |
DE3820639A1 (de) * | 1988-06-18 | 1989-12-21 | Bosch Gmbh Robert | Stromsparende stand-by-funktion in tmc-empfaengern |
DE3824309A1 (de) * | 1988-07-18 | 1990-01-25 | Bosch Gmbh Robert | Verfahren zur auswertung von in einem datentelegramm digital codiert empfangener verkehrsnachrichten, sowie rundfunkempfaenger |
US5029232A (en) * | 1989-01-12 | 1991-07-02 | Cycle-Sat., Inc. | Satellite communications network |
US5220681A (en) * | 1989-02-27 | 1993-06-15 | Multi-Leasing Services Inc. | Electronic signal decoder display/enunciator apparatus for electronic signal receivers |
DE3906780C1 (es) * | 1989-03-03 | 1990-08-30 | Blaupunkt-Werke Gmbh, 3200 Hildesheim, De | |
DE3925001A1 (de) * | 1989-07-28 | 1991-02-07 | Joachim Dreibach | Empfangsgeraet |
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 |
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 |
US5642397A (en) * | 1991-05-01 | 1997-06-24 | Alonzo Williams | Paging system which combines a paging signal with a standard broadcast baseband signal |
JPH07106989A (ja) * | 1993-09-30 | 1995-04-21 | Sony Corp | 受信装置 |
US6112075A (en) * | 1994-11-07 | 2000-08-29 | Weiser; Douglas Diedrich | Method of communicating emergency warnings through an existing cellular communication network, and system for communicating such warnings |
US6018699A (en) * | 1996-06-04 | 2000-01-25 | Baron Services, Inc. | Systems and methods for distributing real-time site specific weather information |
US6493633B2 (en) | 1996-06-04 | 2002-12-10 | Robert O. Baron, Sr. | Systems and methods for distributing real-time site specific weather information |
US6329904B1 (en) * | 1999-06-11 | 2001-12-11 | Safety Through Cellular, Inc. | Apparatus and method for providing weather and other alerts |
US6867688B2 (en) | 1999-06-11 | 2005-03-15 | Safety Through Cellular, Inc. | Apparatus and method for providing weather and other alerts |
US7339467B2 (en) * | 1999-06-11 | 2008-03-04 | At&T Delaware Intellectual Property, Inc. | Apparatus and method for providing weather and other alerts |
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 |
US20090072995A1 (en) * | 2006-06-21 | 2009-03-19 | Dave Thomas | Method and apparatus for transmitting information between a primary vehicle and a secondary vehicle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2051034C3 (de) * | 1970-10-17 | 1978-11-02 | Hessischer Rundfunk, 6000 Frankfurt | UKW-Rundfunk-Stereophonie-Übertragungssystem |
DE2265498C3 (de) * | 1972-08-19 | 1981-10-15 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren zur Kennzeichnung von Verkehrsrundfunkbereichen |
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 |
-
1981
- 1981-05-27 DE DE3121088A patent/DE3121088C2/de not_active Expired
- 1981-11-09 US US06/319,654 patent/US4435843A/en not_active Expired - Fee Related
-
1982
- 1982-02-05 EP EP82100826A patent/EP0065615B1/de not_active Expired
- 1982-02-05 AT AT82100826T patent/ATE9413T1/de not_active IP Right Cessation
- 1982-03-31 CA CA000399947A patent/CA1173508A/en not_active Expired
- 1982-04-01 ZA ZA822252A patent/ZA822252B/xx unknown
- 1982-04-14 BR BR8202128A patent/BR8202128A/pt unknown
- 1982-04-23 MX MX192407A patent/MX150248A/es unknown
- 1982-05-25 JP JP57087389A patent/JPS57199349A/ja active Granted
- 1982-05-26 ES ES512551A patent/ES8304389A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1173508A (en) | 1984-08-28 |
BR8202128A (pt) | 1983-03-22 |
MX150248A (es) | 1984-04-04 |
US4435843A (en) | 1984-03-06 |
DE3121088C2 (de) | 1986-12-04 |
JPH0311587B2 (es) | 1991-02-18 |
ATE9413T1 (de) | 1984-09-15 |
EP0065615B1 (de) | 1984-09-12 |
EP0065615A1 (de) | 1982-12-01 |
ES512551A0 (es) | 1983-02-16 |
JPS57199349A (en) | 1982-12-07 |
ES8304389A1 (es) | 1983-02-16 |
DE3121088A1 (de) | 1982-12-30 |
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