JP3122235B2 - Positioning system, positioning sensor, recording medium, conversion device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning system using a GPS or the like used for a navigation device.

[0002]

2. Description of the Related Art Various positioning systems using GPS or the like have been proposed. In such a positioning system, in a conventional navigation device, for example, a device in which the entire system is generally integrated is generally implemented. In such a device, a processing program is fixed in a ROM or the like. Was inflexible.

On the other hand, there has been proposed a system for inputting data from a positioning sensor using a GPS or the like and using a general-purpose personal computer to perform various displays. According to this, the flexibility of the processing program and the like can be easily expanded. In this case, an interface such as RS-232C has conventionally been used to input data from the positioning sensor to the personal computer.

Meanwhile, there is a portable information display device defined as an international standard called CD-I. In this CD-I apparatus, data and a processing program for the data are provided on a recording medium (compact disk). The recording medium is mounted on the apparatus, and an output such as a desired display can be obtained by a simple operation. It is. Therefore, such a CD-I device,
It is conceivable to input data from a positioning sensor using GPS or the like.

However, such a CD-I apparatus is not provided with an unnecessary interface or the like for the purpose of reducing the size and weight, but is provided with a pointing device such as a so-called mouse (manual operation data input data).
Input device for the vice) . In addition, providing a new interface such as the RS-232C described above requires a major remodeling of the device and cannot be easily realized. The present application has been made in view of such a point.

[0006]

The problem to be solved is that, in order to input data from a positioning sensor using a GPS or the like to a CD-I device, the device needs to be remodeled greatly and is easily realized. That they couldn't.

[0007]

According to a first aspect of the present invention, there is provided a portable information display device (CD-I player 1) and a portable information display device which stores positioning data measured by positioning means.
Positioning sensor (GPS receiver) having conversion means 6 for converting to a signal format for a manually operated data input device
3) Input the above manual operation data together with the map data
Input to the device input section (interface 2)
Storage medium (CD-I disk 7) having a conversion program 8 for inversely converting the converted signal into the original positioning data.
Display the signal from the positioning sensor on the portable information display.
Input to the input section for the device's manual operation data input device
The map data provided on the recording medium and the manual operation
Up the signal input to the input section for the data input device
The processing based on the positioning data obtained by inversely converting the serial conversion program is <br/> positioning system and performing in the portable information display device.

[0008] A second means according to the present invention is that map data and
Signal format for both manually operated data input devices
Conversion program that converts the converted signal back to the original data
A storage medium (CD-I disk 7) having a RAM 8;
The map data provided on the recording medium and the manual operation data
Conversion of the signal input to the input section for the data input device
Perform processing based on data that has been inversely converted by a program
A portable information display device (CD-I player 1)
Positioning sensor (GPS receiver) used for positioning system
A 3), the positioning data positioning in the positioning means
Having a converting means 6 for converting to a signal format for a manually operated data input device of the portable information display device.
It is a positioning sensor that is a feature .

A third means according to the present invention is a portable information table.
Positioning device (CD-I player 1) and positioning means
The measured positioning data is stored in the manual operation data of the portable information display device.
Converter to convert to signal format for data input device
A positioning sensor (GPS receiver 3) having a step 6;
Storage media (CD-I
A click 7), a conversion program 8 to inverse transform the data from the manual operation described above has been converted into signal format for data input device measuring <br/> level sensor together with the map data based on the positioning data It is a storage medium characterized by having .

A fourth means according to the present invention is a portable information table.
Indicating device (CD-I player 1) and positioning sensor (GP
Conversion used for positioning system consisting of S receiver 3)
The apparatus has a conversion means 6 for converting positioning data input from the positioning sensor into a signal format for a manually operated data input device of the portable information display device.
A conversion device characterized in that:

[0011]

According to this, data can be input from the positioning sensor without modification of the basic device, and various displays can be realized by using various processing programs with a simple configuration.

[0012]

FIG. 1 shows an overall configuration of an example of a system.
In this figure, reference numeral 1 denotes a CD-I player (portable information display device) as a basic device, and the CD-I player 1 has a pointing device (manual operation data input device: mouse, etc.). Interface 2 is provided.

Reference numeral 3 denotes a GPS receiver as a positioning sensor, and a signal from an antenna 4 is supplied to the GPS receiver 3. The signal from the GPS receiver 3 is taken out to a plug 5 adapted to the interface 2.
At the same time, a conversion means 6 is provided in the GPS receiver 3 for converting the positioning data received and decoded into a signal format for a pointing device.

Reference numeral 7 denotes a CD-I disc as a recording medium mounted on the CD-I player 1. This CD
The -I disk 7 is provided with a conversion program 8 for inversely converting the data converted into the above-mentioned signal format for the pointing device into the original data.

FIG. 2 is an overall block diagram of an example of the system. In this figure, a signal from an antenna 4 of a GPS receiver 3 is supplied to an amplifier 31. The signal from the amplifier 31 is passed through the first mixer 32 to the first I
The signal is supplied to the F circuit 33, and the signal from the IF circuit 33 is supplied to the second IF circuit 35 through the second mixer 34.

Further, a clock signal from a reference oscillator (TCXO) 36 is supplied to a second mixer 34. A clock signal from a reference oscillator 36 is supplied to a variable oscillator (VCO) 38 through a PLL circuit 37, and a signal from the variable oscillator 38 is supplied to a first mixer 32 through a tripler circuit 39. As a result, predetermined oscillation signals are supplied to the mixers 32 and 34, respectively, and the desired G
The PS signal is received.

The signal from the IF circuit 35 is GP
The S data is supplied to a demodulation circuit 40. This demodulation circuit 4
The signal from 0 is supplied to the positioning calculation unit 41. The clock signal from the reference oscillator 36 and the signal from the PLL circuit 37 are supplied to the positioning calculation unit 41. Further, a RAM 42 and a ROM 43 are provided in association with the positioning calculation unit 41, whereby the received GPS signal or desired positioning data is extracted.

The positioning data is supplied to a conversion means 6 for converting the positioning data into a signal format for a predetermined pointing device. The converted signal is supplied to the pointing device interface 2 of the CD-I player 1 through the plug 5. Further, in the CD-I player 1, a signal from the interface 2 is supplied to the MPU 12 through the system bus 11.

The CD-I player 1 is provided with a so-called CD player 13.
Is loaded with the CD-I disk 7 provided with the above-mentioned conversion program 8. A signal from the CD player 13 is supplied to a CD-DA control circuit 14, and the control circuit 14
The audio signal reproduced in step (1) is taken out to the output terminal 16 through the output circuit 15.

Further, a signal from the control circuit 14 is supplied to the system bus 11 through the CD control circuit 17. A signal from the system bus 11 is supplied to an ADPCM demodulation circuit 18, and a demodulated audio signal is supplied to an output circuit 15. In addition, a DMA control circuit 19, a clock and calendar circuit 20, a RAM 21, a ROM 22, and the like are connected to the system bus 11.

A signal from the system bus 11 is supplied to the RAMs 24a and 24b through the access control circuit 23, and a signal from the RAMs 24a and 24b is supplied to the video processing circuit 25 through the access control circuit 23.
The signal from the video processing circuit 25 is supplied to a display unit 26 such as a color liquid crystal display.

Therefore, in this system, the positioning data from the GPS receiver 3 is converted into a signal format for the pointing device and input to the pointing device interface 2 of the CD-I player 1. The CD-I player 1 can perform various displays using the positioning data inversely converted by using the conversion program 8 of the CD-I disk 7.

According to the system described above, data can be input from the positioning sensor (GPS receiver 3) without modification of the basic device (CD-I player 1), and various processes can be performed with a simple configuration. Various displays and the like can be realized by using a program (CD-I disk 7).

FIG. 3 shows a conversion means 6 for converting positioning data into a signal format for a pointing device.
2 shows an example of a flowchart of the operation in. In this figure, when the power is turned on, GPS positioning data is acquired in step [1]. Next, in step [2], necessary data in the positioning data is extracted and decomposed into blocks. Further, in step [3], the data divided into blocks is bit-converted and decomposed into bit patterns.

Further, at step [4], it is determined whether or not it is the first byte. If it is the first byte (Y), the header bit is turned on at step [5]. If it is not the first byte (N), the header bit is turned off in step [6]. Further, at step [7], a byte is transmitted, and at step [8], it is determined whether or not the data is completed. If not (N), the process returns to step [7]. When the data ends (Y), the process returns to step [1].

FIG. 4 shows an example of each signal for converting positioning data into a signal format for a pointing device. In this figure, A indicates positioning data, where G
PS positioning data is normally output in ASCII code, but is output in a bit pattern in this example. Incidentally bit pattern, Y ₂₃ to Y ₀ indicating the latitude, X indicating the longitude
_{23 ~X 0,} D ₈ ~D ₀ indicating the orientation, V ₉ shows the speed ~V
_0, S ₃ to S ₀ indicating the number of satellites that are received, and a respective bit of G ₅ ~G ₀ indicating the reception state (GDOP).

FIG. 2B shows a signal format for a pointing device. That is, 7 data bits d ₆ to d ₀ are provided from the LSB side following the start bit in a 1-bit cycle. Further, an end bit having a 2-bit cycle is provided to form one byte (7 bits) of data.

In this signal format, d ₆ is a header bit, the header bit of the first byte is 1 (ON), and the header bits of the other bytes after the second byte are 0 (OFF). . Then, as shown in C of the figure, the above-described bit pattern of the positioning data is developed and output. In this way, the positioning data is converted into the signal format for the pointing device.

The above-described system can be used in, for example, a navigation device to perform various displays using a CD-I (such as combining a map with an aerial photograph and displaying the current location on the map). Applied to a device that displays a sightseeing guide by video and audio, a device that displays the constellation of the position and time by referring to the current location and the clock calendar in the CD-I player 1, and a device that displays a chart, tide level, etc. it can.

Further, the invention of the present application creates a conversion device provided with a conversion means 6 for converting positioning data into a signal format for a pointing device.
Positioning data from the receiver may be input to the pointing device interface 2 of the CD-I player 1.

[0031]

According to the present invention, it is possible to input data from a positioning sensor without modifying a basic device,
Various displays and the like can be realized with a simple configuration using various processing programs.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an example of a positioning system according to the present invention.

FIG. 2 is a block diagram for the explanation.

FIG. 3 is a flowchart for the explanation.

FIG. 4 is a signal format diagram for the explanation.

[Explanation of symbols]

Reference Signs List 1 CD-I player 2 Interface for pointing device 3 GPS receiver 4 Antenna 5 Plug 6 Conversion means for converting positioning data into signal format for pointing device 7 CD-I disk 8 Converted to signal format for pointing device Conversion program that converts data back to original data

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-116210 (JP, A) JP-A-4-60415 (JP, A) JP-A-2-210523 (JP, A) JP-A-3- 113614 (JP, A) JP-A-2-257323 (JP, A) Jpn. P60, P73-P81 (58) Fields investigated (Int. Cl. ⁷ , DB name) G08G 1/00-9/02

Claims (4)

(57) [Claims] 1. A and portable information display apparatus, the portable information display positioning is positioning data positioning means
A positioning sensor having a conversion means for converting the signal into a signal format for a manually operated data input device of the apparatus;
A storage medium having a conversion program for inversely converting the signal input to the input unit into the original positioning data, wherein the signal from the positioning sensor is transmitted to the portable information display device.
Input to the input section for the manual operation data input device, and the map data and the manual operation data provided on the recording medium.
The signal input to the input section for the
The inverse transformed based on the positioning data processed by a conversion program executed at the portable information display device, a positioning system, characterized in that. 2. A manually operated data input data together with map data.
The signal converted to the device signal format
A storage medium having a conversion program for reverse conversion into data, map data and manual operation data provided on the storage medium.
The signal input to the input section for the
Performs processing based on data that has been inversely converted by a conversion program.
Used in a positioning system consisting of a portable information display device
A portable sensor for displaying positioning data measured by the positioning means.
A positioning sensor , comprising: conversion means for converting to a signal format for a manually operated data input device of the device. 3. A portable information display device, and the portable information display device displays positioning data measured by a positioning means.
Equipment manual signal format for data entry device
And a positioning sensor having conversion means for converting the
A storage medium used for a positioning system, wherein the manual operation data input device is used together with map data .
Storage medium having a conversion program for inversely converting the data from the positioning sensors are converted into signal format based on the positioning data, it is characterized. 4. A conversion used in a positioning system including a portable information display device and a positioning sensor.
An apparatus for transmitting positioning data input from the positioning sensor to the portable device;
Having conversion means for converting the signal format for manual operation data input device use information display device, converter, characterized in that.