JP2001227981A - Integrated control display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability of a CDU by enabling easy restoration of data contents in an MC(a memory card) even if mistakenly writing data into the MC. SOLUTION: In this integrated control display, data transmission/reception between the CDU 1 and the MC 4 integrates a radio 2 and a navigation device 3 to execute display and control. In an MC reading process, the data stored in the MC 4 are loaded to a memory of the CDU 1, and is copied to a backup table when the reading number of the MC 4 is one. In a backup process for the MC 4, the data held in the backup table are written into the MC 4. Thereby, even if mistakenly writing the data into the MC 4, the contents of the backup table are written into the MC 4 to easily restore the MC data to the original state by executing the MC backup operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated control display for inputting information on a navigation device or a radio used in a navigation system, and displaying and controlling the information, and more particularly, to improving operability. Further, the present invention relates to an integrated control display that reduces the operation burden on the operator.

[0002]

2. Description of the Related Art When an aircraft or the like performs ground-to-air communication with a ground control agency, an integrated control display (hereinafter, CDU = Control Display Un) is used to display and control transmission information.
it). The CDU monitors data of a wireless device or a navigation device on a display panel, and performs various navigation-related controls using operation keys. Such a CDU usually stores control data of a radio or a navigation device in a memory card (hereinafter, MC = Memory Car).
d) to control navigation devices and radios. The CDU has an MC reading function, an MC writing function, and an MC erasing function as functions for controlling the MC.

[0005] The MC reading function is a function of loading data of a radio and a navigation device stored in the MC into a memory inside the CDU. In addition, MC writing function
This is a function for writing data held in the memory inside U to the MC. Further, the MC erasing function is a function of setting data held in a memory inside the CDU to an initial value. By operating soft keys corresponding to each of these functions displayed on the display screen, the CDU can operate the MC.
Reading, writing and erasing data.

[0004]

The conventional CD
U does not have a function to back up data stored in MC, and if data is erroneously written to MC, the troublesome operation of re-inputting data from the screen of the CDU and writing the correct data to MC is required. Occurs.
That is, the data is written to the MC by pressing the soft key corresponding to writing once on the screen of the CDU and then inputting the correct data. For this reason, there is a problem that the operation for correcting the data is troublesome, the operability is poor, and the operation load on the pilot increases.

The present invention has been made in view of such circumstances, and a purpose of the present invention is to add a backup operation function for MC data, so that even if data is erroneously written to MC, the The purpose of the present invention is to improve the operability of the CDU by easily restoring the contents of the CDU, thereby reducing the operation burden on the pilot.

[0006]

In order to solve the above-mentioned problems, an integrated control display of the present invention integrates information of a terminal device based on data stored in a memory card to display and control the information. The integrated control display reads the data stored in the memory card and loads it into its own memory, and the data stored in the memory card when the number of times the memory card reads data is the first time. A data holding function for storing the data held in the backup table and a memory card backup function for writing the data held in the backup table to a memory card. Characterized by writing data stored in a table to a memory card

That is, according to the integrated control display of the present invention, even if data is erroneously written to the memory card, the contents of the backup table are immediately written to the memory card by performing a backup operation of the memory card. And the data in the memory card can be easily restored to the original state. Further, by performing the memory card reading process again, the backed up data can be displayed on the display screen of the integrated control display. Accordingly, the operation burden on the driver can be reduced, and an integrated control display that can greatly contribute to safe driving of an aircraft or the like can be provided.

In the integrated control display of the present invention, the soft key corresponding to the information indicating the memory card backup function displayed on the display screen is held in the backup table in the above invention. It is characterized in that data is written to a memory card.

That is, according to the present invention, since the soft key mark "-" is displayed on the soft key corresponding to the screen indicating the backup function of the memory card, by pressing this soft key once, The data held in the backup table can be written to a memory card to perform a backup operation. As a result, the operability of the integrated control display is improved, and the operator's operation burden is considerably reduced.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a CDU according to the present invention. FIG. 1 is a system configuration diagram of a CDU applied to the present invention. As shown in FIG. 1, the equipment connected to the CDU 1 includes, for example, equipment mounted on a helicopter or the like,
And the navigation device 3 are connected. Radio 2 is H
F (High Frequency: short wave), VHF (Very High Freq)
It transmits and receives data such as uency: ultra high frequency, UHF (ultra high frequency), FM (frequency modulation), and VPU (voice processor unit).

The navigation device 3 is a VOR (VHF Omni-
Directional Range: Ultra high frequency omnidirectional radio beacon), DM
E (Distance Measuring Equipment)
It is equipped with TACAN (TACtical Air Navigation: distance azimuth navigation system), DNS (Doppler Navigation System: Doppler navigation system), IGI (Integrated GPS Ins: inertial navigation system) and the like. Further, although not shown,
Other equipment such as FDR (Flight Date Record)
er: Flight Recorder and DVS (Doppler Velocity Senso)
r: Doppler speed sensor). These equipments are collectively referred to as RT (Remote Terminal), and the CDU 1 performs display and control by integrating these RT information.

Also, MC4 is inserted into CDU1 to insert C4.
D for transmitting and receiving data between DU1 and MC4
An MU (Direct Memory Unit) 5 is connected. still,
In the following embodiments, the interface function interposed by the DMU 5 will be omitted, and the CDU 1 and the MC 4 will directly transmit and receive data.

The front panel of the CDU 1 has a display screen 1a.
And an operation key panel 1b. The display screen 1a displays various data to perform integrated control of RT.
On the left and right sides of the display screen 1a, there are four soft key groups 1c and 1d, respectively.
1d is a soft key mark "-" at the end of the displayed screen.
If there is a key, the key is provided with a function of pressing a soft key at a corresponding position once to display a cursor and enter a data input state. The operation key panel 1b includes function keys, numeric keys, arrow keys, clear keys, and ENTR keys.

The CDU 1 configured as described above is MC4
The control data is read from the CPU 2 to control the wireless device 2 and the navigation device 3. At this time, the MC 4 is inserted into the DMU 5, and the control data of the MC 4 is read from the CDU 1 to perform the operation.

FIG. 2 is a schematic diagram of the MC operation function provided in the CDU of the present invention. That is, the MC operation function 11 included in the CDU of the present invention includes the MC reading function 12 and the MC reading function 12.
There are a write function 13, an MC erase function 14, and an MC backup function 15. Among these functions, the MC reading function 12, the MC writing function 13, and the MC erasing function 14 are the same functions as those of the above-described conventional technology, but an MC backup function 15 is newly added in the present invention. Then, the MC backup function 14
Even if data is erroneously written to MC4 by performing the backup operation of
4 and the original data can be restored to MC4.

Hereinafter, the flow of processing of the MC backup function according to the present invention will be described in detail with reference to a flowchart. First, a backup data holding table for holding the backup data of the MC 4 is defined. Furthermore, the number of readings of MC4 after the start of CDU1 is 1
Only at the time of the backup, the backup data needs to be held in the memory. Therefore, a counter table for storing the number of times of reading the MC4 is defined. Then, a backup data holding table and a counter table are prepared,
A new flowchart is created by changing the conventional MC reading flow and adding a flow for MC data backup.

FIG. 3 shows an MC according to the embodiment of the present invention.
It is a flowchart which shows the procedure of a read process, The procedure of the MC read process in CDU of this invention is demonstrated using this figure. First, as in the prior art, the data stored in the MC 4 is loaded into the internal memory of the CDU 1 (Step S1, hereinafter, the steps are omitted). next,
Using the counter table, it is determined whether or not the number of MC readings when reading the MC4 is the first time (S2).

If the number of readings of the MC 4 is the first time (S2, YES), the data loaded in the memory of the CDU 1 is held in the backup buffer. That is,
The data stored in MC4 is copied to the backup table (S3). If the number of times of reading the MC is not the first time in step S2 (S2, NO), copying is not performed.

Next, the MC data backup process will be described with reference to the flowchart of FIG. 4 showing the procedure of the MC backup process in the embodiment of the present invention. That is, the data held in the backup table in step S3 in FIG. 3 described above is written to MC4 (S4), and the process ends.

In this manner, since the backup table of the CDU 1 always holds correct data, even if data is erroneously written to the MC 4, the backup operation is performed by performing the MC backup operation. The contents of the table can be written to MC,
It is possible to easily restore the MC data to the original state. Further, by performing the MC reading operation again, the backed up data is displayed on the display screen 1a of the CDU1.
Can be displayed.

FIG. 5 is an example of a CDU display screen applied to the embodiment of the present invention. That is, the display screen 1
In a, as a MENU, "READ", that is, MC reading, "WRITE", that is, MC writing,
"ERASE", that is, MC erasure and "BACKUP"
That is, information on each of the MC backups is displayed. Further, a soft key mark "-" is displayed at the end of each displayed screen information corresponding to each soft key of the soft key group 1c. That is, "BACKKU
Since the soft key mark "-" is displayed on the left soft key L4 corresponding to the display screen "P", the backup operation of the MC 4 can be performed by pressing the left soft key L4 once.

FIG. 6 is a chart comparing CDU operations at the time of backup according to the prior art and the present invention. That is,
As shown in FIG. 6, conventionally, the display screen 1a shown in FIG.
Is depressed once, "WRITE" is selected, data is input, and data is written to the MC. On the other hand, in the present invention, the left soft key L4 on the display screen 1a in FIG.
If "CKUP" is selected, the data content of the backup table can be immediately written to the MC.

The embodiment described above is an example for describing the present invention, and the present invention is not limited to the above embodiment, and various modifications are possible within the scope of the invention. . For example, instead of pressing the left soft key L4 corresponding to “BACKUP”, the operation key panel 1b
It is needless to say that the function of backing up MC data according to the present invention can be realized even if the arrow keys in the table have a function of selecting "BACKUP".

[0024]

As described above, according to the integrated control display of the present invention, when data is erroneously written to the MC by performing the MC operation by adding the MC backup operation function, the CDU By pressing the corresponding soft key only once without re-inputting the data, the MC data can be easily restored to the original state. Therefore, in comparison with the operation in which data is input from the operation key panel of the CDU to perform MC writing as in the related art, in the present invention, MC writing can be performed with only one soft key operation. The operability of the CDU is improved, and the operation burden on the pilot is considerably reduced.
Therefore, it is possible to provide an integrated control display that can greatly contribute to safe driving of an aircraft or the like.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a CDU applied to the present invention.

FIG. 2 is a schematic diagram of an MC operation function provided in the CDU of the present invention.

FIG. 3 is a flowchart illustrating a procedure of an MC reading process according to the embodiment of the present invention.

FIG. 4 is a flowchart illustrating a procedure of an MC backup process according to the embodiment of the present invention.

FIG. 5 is an example of a CDU display screen applied to the embodiment of the present invention.

FIG. 6 shows a backup CD according to the prior art and the present invention.
It is the chart which compared U operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Integrated control display (CDU) 1a Display screen 1b Operation key panel 1c, 1d Soft key group 2 Radio 3 Navigation device 4 Memory card (MC) 5 DMU (Direct Memory Unit) 11 MC operation function 12 MC reading function 13 MC Write function 14 MC erase function 15 MC backup function

Claims (2)

[Claims] 1. An integrated control display for integrating and displaying and controlling information of a terminal device based on data stored in a memory card, comprising: reading data stored in the memory card;
A memory card reading function to load the memory card into its own memory; a data holding function to hold data stored in the memory card in its own backup table when the number of times of reading data from the memory card is the first time; A memory card backup function for writing data held in the backup table to the memory card, and writing the data held in the backup table to the memory card only when the number of times of reading data from the memory card is the first time. An integrated control display, characterized in that: 2. The data stored in the backup table is written to the memory card by pressing a soft key corresponding to information indicating a memory card backup function displayed on a display screen. Item 2. The integrated control display according to item 1.