ES470800A1 - Procedimiento y circuito para transmitir senales e informa- ciones de socorro en canales provistos para una determinada banda de frecuencias - Google Patents
Procedimiento y circuito para transmitir senales e informa- ciones de socorro en canales provistos para una determinada banda de frecuenciasInfo
- Publication number
- ES470800A1 ES470800A1 ES470800A ES470800A ES470800A1 ES 470800 A1 ES470800 A1 ES 470800A1 ES 470800 A ES470800 A ES 470800A ES 470800 A ES470800 A ES 470800A ES 470800 A1 ES470800 A1 ES 470800A1
- Authority
- ES
- Spain
- Prior art keywords
- emergency
- transceiver
- citizen
- channels
- users
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
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
- H04B1/02—Transmitters
- H04B1/03—Constructional details, e.g. casings, housings
- H04B1/034—Portable transmitters
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Alarm Systems (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Procedimiento y circuito para transmitir señales e informaciones de socorro en canales previstos para una determinada banda de frecuencia, en los cuales está previsto un canal de socorro, caracterizado porque mediante accionamiento de una tecla de socorro se conecta a servicio de transmisión un equipo de radio de un operador que pide ayuda, se conectan sucesivamente todos los canales y se emite en cada canal una señal de socorro, como último canal se conecta el canal previsto como canal de socorro para la transmisión de informaciones de socorro y a continuación se conmuta el equipo de radio a recepción.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772726865 DE2726865A1 (de) | 1977-06-15 | 1977-06-15 | Verfahren und schaltung zum uebermitteln von notrufsignalen und -informationen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES470800A1 true ES470800A1 (es) | 1979-02-01 |
Family
ID=6011521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES470800A Expired ES470800A1 (es) | 1977-06-15 | 1978-06-15 | Procedimiento y circuito para transmitir senales e informa- ciones de socorro en canales provistos para una determinada banda de frecuencias |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4216545A (es) |
| JP (1) | JPS546411A (es) |
| DE (1) | DE2726865A1 (es) |
| ES (1) | ES470800A1 (es) |
| FR (1) | FR2394951A1 (es) |
| GB (1) | GB1567898A (es) |
| IT (1) | IT1105496B (es) |
| SE (1) | SE7806872L (es) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658237A (en) * | 1980-01-28 | 1987-04-14 | Omnitronics Research Corporation | Intrusion alarm system for vehicles |
| JPS56122245A (en) * | 1980-02-29 | 1981-09-25 | Pilot Pen Co Ltd:The | Automatic control system for transmission or recording and transmission and reception |
| US4484355A (en) * | 1983-04-11 | 1984-11-20 | Ritron, Inc. | Handheld transceiver with frequency synthesizer and sub-audible tone squelch system |
| JPS6229458A (ja) * | 1985-07-30 | 1987-02-07 | Aisin Seiki Co Ltd | 車上自動信号発信装置 |
| FR2604046B1 (fr) * | 1986-09-12 | 1988-11-10 | Aerospatiale | Emetteur radioelectrique susceptible d'emettre des informations d'identite |
| US5014340A (en) * | 1986-10-21 | 1991-05-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Emergency locating transmitter |
| US4887086A (en) * | 1987-07-28 | 1989-12-12 | Trycomm Technologies, Inc. | Combination scanner and radar detector |
| US5389935A (en) * | 1990-06-13 | 1995-02-14 | Thomson-Csf | Automatic system for locating and identifying vehicles in distress |
| US5231699A (en) * | 1990-08-21 | 1993-07-27 | Tendler Robert K | Dual watch radio system |
| US5841367A (en) * | 1990-11-07 | 1998-11-24 | Giovanni; Caico | Electronic equipment for prevention of collisions between vehicles |
| DE4203865C2 (de) * | 1991-08-30 | 1997-11-27 | Erich Matouschek | Alarm- und Meldeanlage für Fahrzeuge |
| US5235329A (en) * | 1991-10-01 | 1993-08-10 | E A S Emergency Alert Systems, Inc. | Emergency vehicle detection device |
| US9102220B2 (en) * | 1992-05-05 | 2015-08-11 | American Vehicular Sciences Llc | Vehicular crash notification system |
| DE4429324A1 (de) * | 1994-08-18 | 1995-10-26 | Bayerische Motoren Werke Ag | Kleidungsstück mit daran befestigten Protektoren |
| US5594432A (en) * | 1994-08-30 | 1997-01-14 | Cobra Electronics Corp. | Traffic information warning system |
| US5497148A (en) * | 1994-08-30 | 1996-03-05 | Cobra Electronics Corporation | Traffic information warning system |
| US5917430A (en) * | 1995-08-28 | 1999-06-29 | The Safety Warning System, L.C. | Radar based highway safety warning system |
| US5612685A (en) * | 1996-03-20 | 1997-03-18 | Cobra Electronics Corp. | Combined motion detector/transmitter for a traffic information warning system |
| US6078279A (en) * | 1998-07-08 | 2000-06-20 | Cobra Electronics | Electromagnetic signal detector with mute feature |
| US6236336B1 (en) | 1999-02-24 | 2001-05-22 | Cobra Electronics Corp. | Traffic information warning system with single modulated carrier |
| US6886045B1 (en) * | 2000-08-14 | 2005-04-26 | At&T Corp. | Subscription-based priority interactive help services on the internet |
| US20050170808A1 (en) * | 2004-01-29 | 2005-08-04 | Hamilton Gordon E. | Radio interoperability system |
| US8149813B2 (en) * | 2008-08-13 | 2012-04-03 | Research In Motion Limited | Wireless device having fast-receive mode for measuring received signal strength (RSSI) for higher time division multiple access (TDMA) multislot classes |
| US8774837B2 (en) | 2011-04-30 | 2014-07-08 | John Anthony Wright | Methods, systems and apparatuses of emergency vehicle locating and the disruption thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441858A (en) * | 1965-12-09 | 1969-04-29 | Gordon Graham | Electronic calling and reply system |
| US3461423A (en) * | 1966-07-27 | 1969-08-12 | Frank C Trumble | Vehicle distress tone generator |
| CH499931A (de) * | 1968-02-12 | 1970-11-30 | Patelhold Patentverwertung | Synchronisierverfahren für programmgesteuerte Trägerumtastung |
| US3660811A (en) * | 1969-11-12 | 1972-05-02 | Alert Inc | Proximity warning transmitter for emergency vehicles |
| US3710313A (en) * | 1971-01-13 | 1973-01-09 | P Kimball | Emergency warning systems |
| FR2248761A5 (es) * | 1973-10-23 | 1975-05-16 | Thomson Csf | |
| US4048561A (en) * | 1975-11-28 | 1977-09-13 | Robyn International, Inc. | Apparatus for preventing simultaneous transmission and channel selection in a transmitter or transceiver |
-
1977
- 1977-06-15 DE DE19772726865 patent/DE2726865A1/de not_active Withdrawn
-
1978
- 1978-05-15 GB GB19611/78A patent/GB1567898A/en not_active Expired
- 1978-06-02 US US05/912,044 patent/US4216545A/en not_active Expired - Lifetime
- 1978-06-12 FR FR7817484A patent/FR2394951A1/fr active Granted
- 1978-06-13 IT IT49844/78A patent/IT1105496B/it active
- 1978-06-14 JP JP7102478A patent/JPS546411A/ja active Pending
- 1978-06-14 SE SE7806872A patent/SE7806872L/xx unknown
- 1978-06-15 ES ES470800A patent/ES470800A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2394951B3 (es) | 1981-01-30 |
| SE7806872L (sv) | 1978-12-16 |
| IT7849844A0 (it) | 1978-06-13 |
| FR2394951A1 (fr) | 1979-01-12 |
| IT1105496B (it) | 1985-11-04 |
| JPS546411A (en) | 1979-01-18 |
| DE2726865A1 (de) | 1979-01-18 |
| US4216545A (en) | 1980-08-05 |
| GB1567898A (en) | 1980-05-21 |
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