JPH1038995A - Portable gps apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a GPS apparatus to be stably carried by forming a coupling means and a processing output means slidably and also forming a reception means to be able to engaged with the processing output means. SOLUTION: A reception means 1 is supported by a reception means rotating fulcrum 13 so that it can be rotated by a desired angle with respect to a coupling means 3, wherein at the time of measurement the reception means 1 is rotated toward a direction where an operator can easily view a display 11 and a receiving face of a plane antenna 10 in the reception means 1 can be directed toward an artificial satellite. In addition, by increasing a distance between a processing output means 2 and the reception means 1, even if the reception means 1 has been rotated, measurement is possible without coming against the processing output means 2. Then at the time of carrying, the coupling means 3 is slid to reduce the distance between the reception means 1 and the processing output means 2, it is fixed by a fixing means 4, and the apparatus is carried with engagement between the reception means 1 and the processing output means 2 rigid. Thus the apparatus is approximately of an integral form which can be carried stably.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable GPS (Global Positioning System) device.

[0002]

2. Description of the Related Art As a navigation system for a mobile object such as an automobile or a ship, a device using a GPS for receiving a radio wave transmitted from an artificial satellite and measuring the position of the mobile object is used. G that measures position using this GPS
The PS device receives radio waves from three or more satellites,
The position of the moving object is detected by calculating distance data and altitude data by radio waves from the plurality of artificial satellites.

[0003] As a means for receiving radio waves from the artificial satellite, a receiving means using an antenna is generally used. This receiving means is arranged with the receiving surface of the antenna facing the zenith side where the artificial satellite is located. However, it is desirable to maintain good reception of radio waves from artificial satellites.

[0004] In recent years, the use of GPS devices has been widened from the use in which the measurement is carried out on a moving body, to the use in which the measurement is carried while being carried by a person. Therefore GP
A portable GPS device that includes a radio wave processing unit, a display unit, a power supply unit, and the like in the S device and receives a radio wave transmitted from an artificial satellite to measure a position is used.

However, when carrying out measurement using this portable GPS device, it is difficult to always keep the receiving surface in the direction of the zenith where the artificial satellite is located. There was a case where the display part was difficult to see due to the direct sunlight and the workability was poor.

For this reason, for example, Japanese Patent Application Laid-Open No. 4-35917
The antenna for radio wave reception as shown in No. 9 is turned to the direction of the artificial satellite using a GPS device in which a rotatable GPS device is used and the display unit is directed to a direction that is easy for an operator to see. Using a GPS device having a measuring method and a GPS device having an external antenna connected by a cable in addition to an internal antenna provided in the GPS device as disclosed in JP-A-6-303016, A method of measuring an external antenna in the direction of an artificial satellite in a state where it is easy to see is studied.

However, when carrying a GPS device in which an antenna is rotatably formed as disclosed in Japanese Patent Application Laid-Open No. 4-359179, there is a problem that the antenna is rotated and it is difficult to carry with stability. there were. Also,
When the measurement is performed using a GPS device to which an external antenna can be connected as disclosed in Japanese Patent Application Laid-Open No. 6-303016, the radio wave intensity is adjusted according to the radio wave intensity so that the radio wave received by the internal antenna does not interfere with the radio wave received by the external antenna. A switching operation is required, and there is a problem that workability is low. Therefore, there is a demand for a portable GPS device capable of carrying a stable feeling when carrying the GPS device. In addition, there is no need for an operation of switching between an internal antenna and an external antenna, and a portable GPS device with high workability has been demanded.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to make it possible to carry a stable portable device when carrying a GPS device. It is to provide a portable GPS device. It is another object of the present invention to provide a portable GPS device which does not require an operation of switching between an internal antenna and an external antenna and has high workability.

[0009]

According to a first aspect of the present invention, there is provided a portable GPS device for receiving a radio wave output from an artificial satellite, and electrically connected to the receiving device, wherein the receiving device receives the radio wave. Portable type comprising: a processing output means for processing the received radio wave and outputting the result; and a connecting means for physically connecting the receiving means and the processing output means and supporting the receiving means so as to be rotatable by a desired angle. In the GPS device, the connection means is formed so as to be slidable with the processing output means, and the receiving means is formed so as to be engageable with the processing output means.

A portable GPS device according to a second aspect of the present invention is the portable GPS device according to the first aspect, further comprising fixing means for fixing the connecting means and the processing output means.

A portable GPS device according to a third aspect of the present invention is the portable GPS device according to the first or second aspect, further comprising external input coupling means connectable to an external antenna device for radio wave reception. When the receiving means is engaged with the processing output means, the electrical connection between the receiving means and the processing output means is cut off, and the external input coupling means and the processing output means are electrically connected. It is characterized by.

[0012] According to the present invention, when carrying, by sliding the connecting means with respect to the processing output means,
Since the distance between the receiving means and the processing output means can be reduced and the receiving means and the processing output means can be engaged with each other, the receiving means does not protrude greatly from the processing output means, and is substantially integrated with the GPS device. When carrying, it is difficult for the receiving means to rotate, and it is possible to carry the mobile phone with a sense of stability.

A portable GP according to claim 3 of the present invention.
The S device, when the receiving means and the processing output means are engaged by sliding the connecting means with respect to the processing output means in order to perform measurement using an external antenna, the connection between the receiving means and the processing output means. Since the electrical connection is cut off and the external input coupling means and the processing output means are electrically connected, there is no need to switch between the antenna inside the receiving means and the external antenna, and measurement with high workability is possible. Becomes

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A portable GPS device according to the present invention will be described with reference to the drawings. FIG. 1 shows a portable G according to the present invention.
FIG. 2 is a perspective view for explaining the measurement of the first embodiment of the PS device, and FIG. 2 is a perspective view for explaining the first embodiment of the portable GPS device according to the present invention at the time of carrying. FIG. 3 is a plan view illustrating the portable GPS device according to the second embodiment of the present invention at the time of measurement, and FIG. 4 is a plan view of the portable GPS device according to the second embodiment of the present invention at the time of carrying. It is a top view explaining.

[0015] The portable G according to the first embodiment of the present invention.
As shown in FIG. 1, the PS device includes a receiving unit 1 for receiving a radio wave output from an artificial satellite, a processing output unit 2 for processing the radio wave received by the receiving unit 1 and outputting the result,
Connecting means 3 for physically connecting the receiving means 1 and the processing output means 2 and providing an electric transmission line (not shown) therein to electrically connect the receiving means 1 and the processing output means 2; 3 and a fixing means 4 for fixing the processing output means 2.

On one side of the processing output means 2, there are provided a display section 11 for displaying the current position and the like obtained by processing the received radio wave, and an operation section 12 for inputting the start of measurement and the like. A flat antenna 10 for receiving radio waves is provided inside the receiving means 1.
The receiving surface of 0 is provided so as to be parallel to one surface of the receiving means 1.

The receiving means 1 is supported by the receiving means rotation fulcrum 13 provided on the connecting means 3 so as to be rotatable with the connecting means 3 by a desired angle, and measurement will be performed using this portable GPS device. When the display unit 11 is oriented in a direction that is easy for the operator to see, the receiving unit 1 is rotated about the receiving unit rotation fulcrum unit 13 so that the receiving surface of the planar antenna 10 inside the receiving unit 1 is rotated. In the direction of the satellite.

The connecting means 3 is provided with a connecting means moving hole 14.
And the connecting means support portion 15 so as to be slidable with respect to the processing output means 2. And when you measure,
By increasing the distance between the processing output means 2 and the receiving means 1, even if the receiving means 1 is rotated at the receiving means rotation fulcrum 13, the measurement is performed so as not to collide with the processing output means 2.

When carrying, as shown in FIG. 2, the connection means 3 is slid with respect to the processing output means 2 to reduce the distance between the receiving means 1 and the processing output means 2 and 1 and the processing output means 2 are engaged. Then, the connecting means 3 and the processing output means 2 are fixed by the screw-in type fixing means 4, and the receiving means 1 and the processing output means 2 are firmly engaged with each other, and are carried.

As a result, the receiving means 1 does not protrude greatly from the processing output means 2 and has a substantially integral shape, so that the receiving means 1 does not easily rotate when the GPS device is carried, and it is possible to carry a mobile phone with a sense of stability. It becomes a portable GPS device.

Note that the engagement of the receiving means 1 with the processing output means 2 is not limited to being engaged so as to be in contact with the processing means, but the receiving means 1 and the processing output means 2 are compared with those at the time of measurement.
The receiving means 1 and the processing output means 2 may be slightly separated from each other as long as the distance between them can be kept small. FIG.
Is a receiving surface of the planar antenna 10 inside the receiving means 1,
In this case, the surface on which the display section 11 of the processing output means 2 is attached is orthogonal so that the reception surface of the planar antenna 10 and the surface on which the display section 11 is formed are attached in parallel. It may be.

If the connecting means 3 and the processing output means 2 are formed so as to be slidable, the connecting means 3 and the processing output means 2 are fixed by friction between the sliding surfaces. However, if the fixing means 4 is provided, the connecting means 3 and the processing output means 2 are firmly fixed, and it is possible to carry the mobile phone with a sense of stability.

The portable G according to the second embodiment of the present invention
As shown in FIG. 3, the PS device receives a radio wave output from an artificial satellite, and is electrically connected to the receiving unit 1 to process the radio wave received by the receiving unit 1 and to process the result. A processing output means 2 for outputting, a connection means 3 for physically connecting the receiving means 1 and the processing output means 2 and electrically connecting the receiving means 1 and the processing output means 2 and a processing output means 2 Fixing means (4a, 4b) capable of fixing the connecting means 3 and the processing output means 2 by fitting the convex part 4a and the concave part 4b formed in the connecting means 3;
An external input coupling means 5 connectable to an external antenna device for radio wave reception is provided.

On one side of the processing output means 2, there are provided a display section 11 for displaying the current position and the like obtained by processing the received radio wave, and an operation section 12 for inputting the start of measurement and the like. Inside the receiving means 1, a planar antenna 10 for receiving radio waves is provided. This receiving means 1
The receiving means rotation fulcrum 13 provided on the connecting means 3 supports the connecting means 3 so as to be rotatable by a desired angle.

The processing output means 2 and the connecting means 3 are formed so as to be rotatable and slidable with the connecting means supporting part 15 as a fulcrum, and the connecting means supporting part 15 is provided on the surface of the processing output means 2. When viewed on the entire surface that slides with the connecting means 3, it is provided at a position shifted toward the display unit 11 and offset from the center.

When the measurement is to be performed, the receiving means 1 is arranged on the side where the distance between the processing output means 2 and the receiving means 1 is widened by rotating and sliding the connecting means 3 with respect to the processing output means 2. And the receiving means rotation fulcrum 13
The measurement is performed so as not to collide with the processing output means 2 even if the receiving means 1 is rotated in the portion of FIG.

When carrying, as shown in FIG. 4, the connection means 3 is rotated and slid with respect to the processing output means 2, so that there is a certain space between the receiving means 1 and the processing output means 2. Engage with the state. Then, the fixing means (4a, 4b) of the mechanism fixing type, which is fixed by fitting the convex part 4a formed on the processing output means 2 and the concave part 4b formed on the coupling means 3, fits the processing with the receiving means 1. The output means 2 is firmly engaged. For this reason, the receiving means 1 does not protrude significantly from the processing output means 2 and has a substantially integral shape, so that the receiving means 1 is less likely to rotate when carrying the GPS device, and it is possible to carry a stable mobile phone.

On the side of the processing output means 2, a micro switch 16 is formed so as to protrude therefrom.
The electrical connection between the external output coupling means 5 and the processing output means 2 and the electrical connection between the external input coupling means 5 and the processing output means 2 can be switched.

When the connecting means 3 is slid with respect to the processing output means 2 to separate the receiving means 1 and the processing output means 2 for measurement using the receiving means 1 (the engagement is released). When the micro switch 16 is depressed, the electric connection between the receiving means 1 and the processing output means 2 is connected, and the external input coupling means 5 and the processing output means 2 are electrically disconnected. It has become.

When the receiving means 1 and the processing output means 2 are engaged by sliding the connecting means 3 with respect to the processing output means 2 for measurement using an external antenna, the microswitch 16 When pressed, the electric connection between the receiving means 1 and the processing output means 2 is cut off, and the external input coupling means 5 and the processing output means 2 are electrically connected. Therefore, the operation of switching between the planar antenna 10 inside the receiving means 1 and the external antenna becomes unnecessary, and
Measurement with high workability becomes possible.

[0031]

According to the portable GPS device of the present invention, when carrying, the receiving means and the processing output means can be engaged by sliding the connecting means with respect to the processing output means. The receiving means does not protrude significantly from the processing output means, and is substantially integral with the receiving means. When the GPS device is carried, the receiving means is less likely to rotate, and a stable feeling of carrying can be achieved.

In the portable GPS device according to the third aspect of the present invention, in addition to the above effects, in order to perform measurement using an external antenna, the connection means is slid with respect to the processing output means so as to be connected to the reception means. When the processing output means is engaged,
Since the electrical connection between the receiving means and the processing output means is cut off and the external input coupling means and the processing output means are electrically connected, there is no need to switch the antenna inside the receiving means and the external antenna. Thus, measurement with high workability can be performed.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a portable GPS device according to a first embodiment of the present invention at the time of measurement.

FIG. 2 is a perspective view illustrating the portable GPS device according to the first embodiment of the present invention when being carried.

FIG. 3 is a plan view illustrating a portable GPS device according to a second embodiment of the present invention at the time of measurement.

FIG. 4 is a plan view illustrating a portable GPS device according to a second embodiment of the present invention when being carried.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Receiving means 2 Processing output means 3 Connecting means 4, 4a, 4b Fixing means 5 External input coupling means 10 Planar antenna 11 Display unit 12 Operation unit 13 Receiving means rotation fulcrum unit 14 Connecting means moving hole 15 Connecting means support unit 16 Micro switch

Claims (3)

[Claims] 1. A receiving means (1) for receiving a radio wave output from an artificial satellite, and electrically connected to the receiving means (1), processing the radio wave received by the receiving means (1), and processing the result. A connecting means (3) for physically connecting the receiving means (1) and the processing output means (2) with the processing output means (2) for outputting and supporting the receiving means (1) so as to be rotatable by a desired angle. And a connecting means (3) formed slidably with the processing output means (2), and a receiving means (1) formed movably with the processing output means (2). A portable GPS device, comprising: 2. The portable GPS device according to claim 1, further comprising fixing means (4) for fixing the connecting means (3) and the processing output means (2). 3. An external input coupling means (5) connectable to an external antenna device for radio wave reception, wherein the receiving means (1)
Is engaged with the processing output means (2), the electrical connection between the receiving means (1) and the processing output means (2) is cut off, and the external input coupling means (5) and the processing output means (2)
The portable GPS device according to claim 1 or 2, wherein the portable GPS device is formed so as to be electrically connected.