DE29822279U1 - Portable GPS antenna for use on an RS232 interface without additional power supply - Google Patents
Portable GPS antenna for use on an RS232 interface without additional power supplyInfo
- Publication number
- DE29822279U1 DE29822279U1 DE29822279U DE29822279U DE29822279U1 DE 29822279 U1 DE29822279 U1 DE 29822279U1 DE 29822279 U DE29822279 U DE 29822279U DE 29822279 U DE29822279 U DE 29822279U DE 29822279 U1 DE29822279 U1 DE 29822279U1
- Authority
- DE
- Germany
- Prior art keywords
- interface
- power supply
- gps antenna
- additional power
- portable gps
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 description 2
- BXNJHAXVSOCGBA-UHFFFAOYSA-N Harmine Chemical compound N1=CC=C2C3=CC=C(OC)C=C3NC2=C1C BXNJHAXVSOCGBA-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- 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
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/086—Portable receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Description
Titel:Title:
Tragbare GPS-Antenne zur Verwendung an einer RS232 Schnittstelle ohne zusätzliche Stromversorgung.Portable GPS antenna for use on an RS232 interface without additional power supply.
Stand der Technik mit Fundstellen:State of the art with sources:
Problem: GPS-Antennen ähnlicher Bauart enthalten nur das eigentliche Empfangsmedium (GPS-Patch) (Fig. 1) (1) und den GPS-Empfänger (2). (Produktspezifikation GPS35 des Herstellers Garmin). Problem: GPS antennas of a similar design only contain the actual reception medium (GPS patch) (Fig. 1) (1) and the GPS receiver (2). (Product specification GPS35 from the manufacturer Garmin).
Aufgrund des Energiebedarfs von ca. 50OmW ist eine externe Stromversorgung (3) zur Funktion des GPS-Empfängers notwendig.Due to the energy requirement of approximately 50OmW, an external power supply (3) is necessary for the GPS receiver to function.
Insofern.Positionsdaten mittels GPS-Empf anger auf handelsüblichen PC's, Laptops, Organizern dargestellt werden sollen, wird der eigentliche Effekt der mobilen Standorterfassung dadurch zunichte gemacht, daß immer eine zusätzliche Stromversorgung für den GPS-Receiver vorhanden sein muß (z.B. Zigarettenanzünder im Fahrzeug).If position data is to be displayed using GPS receivers on commercially available PCs, laptops, or organizers, the actual effect of mobile location detection is negated by the fact that an additional power supply for the GPS receiver must always be available (e.g. cigarette lighter in the vehicle).
• ··
Lösung:Solution:
Dieses Problem wird mit den im Schutzanspruch 1 aufgeführten Merkmalen gelöst.This problem is solved with the features listed in claim 1.
Erreichte Vorteile: Mit der Erfindung wird erreicht, daß die mobile Positionserfassung mittels Laptop unabhängig von einer gesonderten Stromversorgung wirklich mobil wird. Achieved advantages: The invention ensures that mobile position detection using a laptop becomes truly mobile, independent of a separate power supply.
Beschreibung eines Ausführungsbeispieles. Fig. 2 zeigt ein Ausführungsbeispiel der Erfindung mit Organzier PSION Serie 5. Description of an embodiment. Fig. 2 shows an embodiment of the invention with Organzier PSION Series 5.
Die GPS-Antenne (1) ist über ein Kabel (2) mit dem Organizer (3) verbunden.The GPS antenna (1) is connected to the organizer (3) via a cable (2).
An den Leitungen DTR und RTS (Fig. 3) (1) der RS232-Schnittstelle (2) steht eine Schnittstellenspannung von +6V...+15V zur Verfügung. Ein Controller (3) analysiert die Belastbarkeit der beiden Leitungen (1) und stellte die maximale Stromentnahme so ein, daß der spezifizierte Pegel von +5V nicht unterschritten wird.An interface voltage of +6V...+15V is available on the DTR and RTS lines (Fig. 3) (1) of the RS232 interface (2). A controller (3) analyzes the load capacity of the two lines (1) and sets the maximum current consumption so that the specified level of +5V is not undercut.
Die aus der Schnittstelle entnommene Energie lädt einen Akku (4) auf, der diese zum Betrieb der GPS-Antenne (5) zwischen speichert. Unter Berücksichtigung der Energieentnahme aus der Schnittstelle (2) und einem Verlustfaktor durch den begrenzten Wirkungsgrad berechnet der Controller (3) die Zeit und die Höhe der zur Verfügung stehenden Energie und stellt den GPS-Receiver (6) auf den erforderlichen Schlaf-/Wachrythmus ein.The energy taken from the interface charges a battery (4), which temporarily stores it to operate the GPS antenna (5). Taking into account the energy taken from the interface (2) and a loss factor due to the limited efficiency, the controller (3) calculates the time and amount of energy available and sets the GPS receiver (6) to the required sleep/wake rhythm.
Somit wird die Position bei einer stärker belastbaren Schnittstelle z.B. alle 5 Sekunden aktualisiert, wenn weniger Energieentnahme möglich ist, wird die Position z.B. nur alle 30 Sekunden aktualisiert.Thus, with a more resilient interface, the position is updated every 5 seconds, for example. If less energy extraction is possible, the position is only updated every 30 seconds, for example.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29822279U DE29822279U1 (en) | 1998-12-14 | 1998-12-14 | Portable GPS antenna for use on an RS232 interface without additional power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29822279U DE29822279U1 (en) | 1998-12-14 | 1998-12-14 | Portable GPS antenna for use on an RS232 interface without additional power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29822279U1 true DE29822279U1 (en) | 2000-04-13 |
Family
ID=8066627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29822279U Expired - Lifetime DE29822279U1 (en) | 1998-12-14 | 1998-12-14 | Portable GPS antenna for use on an RS232 interface without additional power supply |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE29822279U1 (en) |
-
1998
- 1998-12-14 DE DE29822279U patent/DE29822279U1/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R123 | Application deemed withdrawn due to non-payment of filing fee | ||
| R409 | Internal rectification of the legal status completed | ||
| R207 | Utility model specification |
Effective date: 20000518 |
|
| R156 | Lapse of ip right after 3 years |
Effective date: 20020702 |