JPH1078909A - Data receiving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively utilize the memory capacity of a storage means by storing the received data and other data in the storage means in the different designating directions of addresses. SOLUTION: A RAM 30 serving as a storage means has 18k-byte memory capacity and includes a 4k-byte paging part data memory area PD and a 14 k-byte electronic notebook part data memory area DD. The area PD stores the message data which are received forward from the position of an arrow A, and the area DD controls the designated address to store the data received backward from the position of an arrow B in various operation modes. Thus, the 18k-byte memory capacity of the RAM 30 is effectively utilized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data receiving apparatus represented by a compound terminal such as a paging receiver having an electronic organizer function.

[0002]

2. Description of the Related Art Conventionally, in addition to simply notifying the arrival of a call using a notification sound or vibration, it also receives data such as message data and e-mail sent from a transmitting side.
Paging receivers with a display function of displaying these received data on a display unit are widely and widely used. In such a paging receiver with a display function, a plurality of received data can be stored in the memory for each predetermined amount, and these data stored in the memory can be read out at any time and sequentially displayed. It has become.

Recently, a paging receiver which is a multi-terminal and has various operation functions such as schedule management, an address book, a calculator, and a memo pad in addition to a display function has been commercialized.

A paging receiver of this kind stores a message data received as a paging function and a memory for storing various data such as schedule data, address data, and memo data according to each operation mode in the electronic organizer function. Usually, the memory is physically divided and provided, or one memory address space is divided into two areas to secure the respective capacities.

[0005]

However, in the above-mentioned paging receiver, the address space of the memory is divided into two areas, one for storing the message data and the other for storing the mode data of the electronic organizer function. When the capacity of each memory area is secured, even if one area is used to fill the capacity and it is not possible to store more data, the other memory area has enough free space. May not be able to make good use of the capacity.

In such a case, as described above, without dividing the memory address space into two areas, attribute information corresponding to the attribute of the data is added to each data and stored in the memory in a mixed manner. By collectively managing these, a method of effectively using the entire capacity of the memory can be considered.

However, at the time of paging, incoming message data is sent unilaterally regardless of the intention of the person using the receiver, and is stored in the memory. When the message data is received, If the capacity of various data stored in the memory is full, a problem occurs that the received message data cannot be newly stored in the memory.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to store received data in a case where data other than the received data needs to be stored in one memory. Another object of the present invention is to provide a data receiving apparatus capable of storing data other than received data in accordance with the capacity of a memory while securing an area for performing the operation.

[0009]

According to the first aspect of the present invention,
Receiving means for receiving data; storage means for storing data received by the receiving means and other data at a specified address; and specifying different addresses for the received data and the other data, respectively. Storage control means for storing the direction in the storage means.

With this configuration, when it is necessary to store received data and other data in one memory, each data is stored from a different addressing direction. The storage capacity possessed can be effectively utilized.

According to a second aspect of the present invention, in the first aspect of the present invention, a minimum storage area for the received data is set in the storage means in advance, and the data newly received by the receiving means is set. Detecting means for detecting the data amount of the received data, and matching means for checking the amount of data detected by the detecting means with the free space of the storage area of the received data. As a result of the comparison by the means, when it is determined that the free space is insufficient, the newly received data is stored beyond the storage area of the received data.

With such a configuration, in addition to the effect of the first aspect of the present invention, a storage area having a minimum capacity for storing received data is secured in the storage means. If the capacity of the data stored in this storage area is already full and there is no free space to store the newly received data in this storage area, the newly received data beyond this storage area is deleted. The storage can be performed, and the storage capacity of the storage unit can be more effectively utilized.

According to a third aspect of the present invention, in the second aspect of the present invention, the storage control means attaches additional information to the received data and stores the data in the storage means. As a result, when it is determined that the free space is insufficient, the storage area of the received data is arranged based on the additional information, and the newly received data is stored.

With this configuration, in addition to the operation of the second aspect of the present invention, even in the case where there is no free space in the storage area and newly received data cannot be stored as it is. By deleting the received data stored in this storage area to which additional information determined to be deleteable, for example, is added and organizing the storage area, the free space Can be created and newly received data can be stored.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a paging receiver with an electronic organizer function will be described below with reference to the drawings. 1 and 2 show the external configuration of a paging receiver 1 according to the present invention. FIG. 1 is a front view of an electronic notebook type paging receiver 1 in an open state, and FIG. It is a rear view in a closed state.

In FIG. 1, with the paging receiver 1 opened, a display section 12 using a dot matrix type liquid crystal display panel, a display on key 13a, a display off key 13b, a display switching key 13c, Menu key 13d, search key 13e, pictograph search key 13f, function key 13g, secret key 13h,
Bell number key 13i, release key 13j, execution key 13
k, a cursor key 131, a message key 13m, a dial key 13n, and an Ir transmitter / receiver 14 at the upper end thereof.

The display on key 13a is a key for turning on the electronic organizer function and the paging reception function, and for shifting to a new data input state when the electronic organizer function is already on. This key is used to turn off the display by turning off the electronic organizer function.

The display switching key 13c is a key for switching the display, and the menu key 13d is a key for shifting to a menu display of all modes provided in the paging receiver 1.

The search key 13e is a key for instructing data search or release of the search state, and the pictogram search key 13f is a key for instructing data search for each pictogram or release of the search state.

The bell number key 13i is a key for listing only the name and the type of the paging receiver from the registered data in the telephone directory mode. The cancel key 13j is a key for canceling the function or operation being executed or canceling the kanji conversion, and the execute key 13k is a key for instructing execution of each function.

The cursor key 131 is used when a menu is displayed.
At the time of file selection display, at the time of date selection display, at the time of character editing display, etc. A key for instructing display of previously displayed data or next data when used in combination with the shift key 13o.

The message key 13m is a key for shifting to the data display of the latest incoming message in the message receiving mode, and the dial key 13n is for instructing the start of transmission of a telephone number or data dial signal, for example, a DTMF data signal. Key.

The Ir transmitting / receiving section 14 is provided integrally with a light emitting section and a light receiving section for directly transmitting and receiving various data and the like to and from the same paging receiver 1 by an infrared signal with respect to an electronic device having a data communication function using infrared rays. It is a thing.

On the inner surface of the right side 1b of the paging receiver 1, there are provided sheet keys 13o in which kana keys, alphabet keys, numerical keys, symbol keys, and other various function keys are arranged in an overlapping manner. Input and edit, convert and convert data, register data, calculator, protect messages, etc.

Further, on the side of the left side 1a of the paging receiver 1, a connector (not shown) for line connection with another paging receiver 1 having the same configuration and for transmitting and receiving various data is provided. And

FIG. 2 shows the external structure of the back surface of the paging receiver 1 in a closed state, that is, the back surface of the left side 1a of FIG. 2, as shown in FIG. A battery cover 15 for storing two batteries, a lock switch 16 for preventing the battery cover 15 from being opened carelessly, and a button battery for backing up the memory contents separately from the batteries stored in the battery cover 15 And a speaker 18 for outputting the DTMF data signal and the like.

FIG. 3 shows a circuit configuration provided in the paging receiver 1. The radio signal for calling the paging receiver 1 is, for example, an advanced radio paging system (RCR STD-43 standard). This is compliant, and is received by the antenna 21 and sent to the receiving unit 22. The receiving section 22 demodulates the received data received by the antenna 21 into binary or quaternary digital data and sends it to the decoder 23.

When the decoder 23 detects that the power has been turned on, the decoder 23 drives the receiver 22 until a synchronization signal is received within a predetermined time under the control of the controller 25 connected via the bus B. When the signal is received, intermittent driving is performed so that the self-frame can be received based on the frame number in the synchronizing signal and the control signal from the control unit 25 which has taken in the frame number data of the ID-ROM 24.

Then, the signal demodulated by the receiving unit 22 is converted into 8-bit parallel data and transmitted to the control unit 25. The control unit 25 determines that this matches the address data of the ID code set in the own device. When the input signal is inputted, the vector data and the message data which are subsequently received are similarly converted into 8-bit parallel data and transmitted to the control unit 25.

The control unit 25 is connected to the Ir transmission / reception unit 1 via the bus B in addition to the decoder 23 and the ID-ROM 24.
4. Key input unit 2 including various keys 13a to 13o
6, display unit 12, deinterleave circuit 27, buffer memory 28, ROM 29, RAM 30, driver 3
1, transmission buffer 32 and interface (I / F) 3
3 and controls the reception of the decoder 23 and controls the entire circuit according to an operation program fixedly stored in the ROM 29.

Under the control of the control unit 25, the deinterleave circuit 27 cancels the interleave processing applied to the received digital value data converted into 8-bit parallel data by the decoder 23, and de-interleaves the original parallel data. This is a process for returning to the array.

The buffer memory 28 temporarily stores received data directly sent from the decoder 23 and supplies the data to the deinterleave circuit 27. R above
The AM 30 has a storage capacity of, for example, 18 kbytes as a whole as shown in FIG. 4 and basically comprises a paging section data memory area PD of 4 kbytes and an electronic notebook section data memory area DD of 14 kbytes. The paging section data memory area PD and the electronic notebook section data memory area DD are variably controlled in accordance with the amount of data to be stored.

That is, in the address space of the RAM 30, in the paging section data memory area PD, the message data received in the forward direction from the position of arrow A in the figure is stored, while the electronic notebook section data memory area DD is stored. In the specification, the designated address is controlled so as to store data in various operation modes in the opposite direction from the position of the arrow A in the figure and the position of the arrow B located opposite to the game,
Bottom line BL which is a boundary between paging section data memory area PD and electronic notebook section data memory area DD
Is the minimum capacity 4 of the paging section data memory area PD.
This is set to secure k bytes.

Thus, as shown in FIG. 5, the capacity of the message data stored in the paging section data memory area PD increases in the direction indicated by I in the figure, while various operation modes stored in the electronic notebook section data memory area DD. Is increased in the direction indicated by II in the figure. When the capacity of message data to be stored in the paging section data memory area PD exceeds 4 kbytes,
As shown by the arrow III in the figure, the data bottom DB of the paging section data memory area PD is set beyond the bottom line BL.

Therefore, in a state where the data bottom DB of the paging section data memory area PD is set beyond the bottom line BL, the data top DT which is the upper limit position of the electronic notebook section data memory area DD is set.
Is the data bottom DB as indicated by arrow IV in the figure.
Is set so as not to exceed this according to the position of.

As shown in FIG. 4, even when the data bottom DB of the paging section data memory area PD does not exceed the bottom line BL, the data top DT of the electronic notebook section data memory area DD is It is assumed that it cannot cross the bottom line BL.

FIG. 6 shows an example of the state of the message data stored in the paging section data memory area PD. At the beginning of the paging section data memory area PD, a pointer storage section for storing the address pointer position of the data bottom DB is set, followed by message data b to which 15 bytes of additional information a has been added. n sets are stored.

The additional information a indicates that the message data is unread (a state in which the message data has been read out and is not displayed on the display unit 12) or has been read (a state in which the message data has been read out and displayed on the display unit 12). Information is protected (protection to prevent data deletion regardless of unread or read), date and time of incoming call, etc. are collected into a fixed data length, for example, 15 bytes Things,
On the other hand, the message data b has a variable data length. Further, c in the figure is an empty area.

The driver 31 includes a small speaker 34,
It is connected to the vibrator 35 and the LED 36, and selectively drives them according to the set contents, thereby informing the incoming call by buzzer sound, vibration, or blinking light.

The transmission buffer 32 includes the control unit 25
DTMF of digital value based on transmission data created by
The D / A converter 37 converts the DTMF data signal into an analog signal, and loudspeakers 18 provided on the back of the paging receiver 1. By driving, a DTMF data signal composed of a combination of two preset audio frequency signals is emitted.

The interface 33 directly transmits data to another line-connected paging receiver 1 via a connector 38 disposed on the side of the paging receiver 1 not shown in FIGS. It is for transmitting and receiving.

Next, the operation of the above embodiment will be described. FIG. 7 mainly shows a process of storing message data in the paging unit data memory area PD of the RAM 30 by the control unit 25 when message data arrives at the paging receiver 1.

At the beginning of the process, the process waits for an incoming message data, and when it is determined that there is an incoming call (step S1),
Immediately, the received message data is fetched and stored in the buffer memory 28, and since the data length of the message data is variable as described above, the data amount is detected (step S2).

Next, the capacity of the free area c in the paging section data memory area PD of the RAM 30 is detected,
The capacity of the free area c is compared with the data quantity of the message data plus the data quantity of the additional information a (step S3).

As a result of this comparison, the capacity of the paging section data memory area PD becomes insufficient depending on whether or not the capacity of the free area c is smaller than the data size of the message data plus the data size of the additional information a. It is determined whether or not it has been performed (step S4).

If it is determined that the capacity of the paging section data memory area PD is not insufficient, the message data held in the buffer memory 28 is added with the additional information a, and the paging section data memory is set. The data is stored at the end of the data in the area PD, and at the same time, the address pointer position stored in the pointer storage unit is updated and set (step S9), and the processing regarding the arrival of the message data is completed.

In step S4, the capacity of the paging section data memory area PD is insufficient, and the message data with the additional information cannot be sufficiently stored in the free area c of the paging section data memory area PD. If it is determined that the message has been read, that is, the additional information a1 to an of each message data stored in the paging unit data memory area PD at that time is retrieved (step S5). It is determined whether or not there is any one that has been selected and read out by a key operation of the user of the paging receiver 1 and has been confirmed on its display by the display unit 12 (step S).
6).

Here, if it is determined that there is at least one piece of the additional information a which has been read, then the one having the earliest incoming date and time is selected from among the already read additional information a, and After deleting the additional information a and the message data b, the message data after the deleted message data are sequentially stored in the paging section data memory area PD.
Is sorted in the front direction (step S7).

Since the data capacity of the free area c is increased by this processing, the increased capacity of the free area c is added to the data amount of the received message data held in the buffer memory 28 by the additional information a. It is determined whether or not an area for storing the incoming message data is secured in the paging unit data memory area PD based on whether or not the data amount is larger than the data amount (step S).
8).

If it is determined that the area has been secured, the message data held in the buffer memory 28 is added with additional information a and stored at the end of the data in the paging section data memory area PD.
At the same time, the address pointer position stored in the pointer storage unit is updated and set (step S9), and the process regarding the arrival of the message data is completed.

In step S8, the capacity of the free area c increased by the processing in step S7 is obtained by adding the data amount of the additional information a to the data amount of the received message data still held in the buffer memory 28. If it is determined that the data amount does not reach and the area for storing the incoming message data in the paging unit data memory area PD cannot be secured, the processing from step S6 is repeated and executed again, and the already read data is added. If there is other message data with the information a, it is sequentially deleted to secure the capacity of the free area c.

Further, in step S6, the read additional information a
Is determined to be absent, that is, the capacity of the free area c at that time is
8 is smaller than the data amount of the received message data stored in No. 8 plus the data amount of the additional information a, and there is no message data that can be further deleted from the paging unit data memory area PD. In FIG. 5, the additional information a is added to the message data stored in the buffer memory 28 so that the data bottom DB of the paging section data memory area PD exceeds the bottom line BL as shown in FIG. The data is stored at the end of the data in the paging section data memory area PD, and at the same time, the address pointer position stored in the pointer storage section is updated and set (step S10).

In such a case, the capacity of the paging section data memory area PD exceeds the bottom line BL,
A message indicating that the message data stored in the paging section data memory area PD should be read and indicating that it is better to arrange the inside, for example, is described as "The received message data is full. Unnecessary data. May be deleted from the memory. "And displayed on the display unit 12 to prompt the user to arrange the paging unit data memory area PD, thereby coping with further incoming message data. .

In the above-described embodiment, the case where the present invention is applied to a paging receiver having an electronic organizer function has been exemplified. However, the present invention is not limited to this. The present invention can be applied not only to various electronic devices that receive signals, but also to a composite portable terminal such as an electronic notebook that can be connected to a digital mobile phone and transmit and receive data. In addition, the present invention can be variously modified and implemented without departing from the gist thereof.

[0055]

According to the first aspect of the present invention, when it is necessary to store received data and other data in one memory, each data is stored from a different addressing direction. The storage capacity of the storage means can be effectively used.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, a storage area having a minimum capacity for storing received data is secured in the storage means. If the data capacity stored in this storage area is already full and there is no free space for storing the newly received data in this storage area, the newly received data beyond this storage area Can be stored, and the storage capacity of the storage means can be more effectively utilized.

According to the third aspect of the present invention, in addition to the effects of the second aspect of the present invention, when there is no free space in the storage area and newly received data cannot be stored as it is. However, among the received data stored in this storage area, for example, by deleting the data to which additional information that is determined to be deleted is added, and by rearranging the storage area, free space is obtained. An area can be created and newly received data can be stored.

[Brief description of the drawings]

FIG. 1 is a front view showing an external configuration of a paging receiver according to an embodiment of the present invention.

FIG. 2 is an exemplary rear view showing the external configuration of the paging receiver according to the embodiment;

FIG. 3 is a block diagram showing a circuit configuration of the paging receiver according to the embodiment.

FIG. 4 is a diagram showing a memory area configuration of a RAM 30 of FIG. 3;

FIG. 5 is a view showing a data storage direction for each memory area of a RAM 30 in FIG. 3;

FIG. 6 is a view showing a data configuration stored in a paging section data memory area PD of FIG. 4;

FIG. 7 is a flowchart showing processing contents when message data arrives according to the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Paging receiver 12 ... Display part 13a-13o ... Various operation keys 14 ... Ir transmitting / receiving part 15 ... Battery cover 16 ... Lock switch 17 ... Backup battery cover 18 ... Speaker 21 ... Antenna 22 ... Receiving part 23 ... Decoder 24 ... ID -ROM 25 ... Control unit 26 ... Key input unit 27 ... Deinterleave circuit 28 ... Buffer memory 29 ... ROM 30 ... RAM 31 ... Driver 32 ... Transmission buffer 33 ... Interface (I / F) 34 ... Small speaker 35 ... Vibrator ( M) 36 ... LED 37 ... D / A conversion unit 38 ... Connector PD ... Paging unit data memory area DD ... Electronic notebook data memory area BL ... Bottom line DB ... Data bottom DT ... Data top

Claims (3)

[Claims] A receiving means for receiving data; a storage means for storing data received by the receiving means and other data at a designated address; and a storage means for storing the received data and the other data, respectively. A data receiving apparatus comprising: a storage control unit that stores the data in the storage unit in different address designation directions. 2. A storage unit in which a minimum storage area for the received data is set in advance, a detection unit for detecting a data amount of data newly received by the reception unit, and a detection unit for detecting a data amount of the data newly received by the reception unit. Further comprising matching means for checking the amount of data obtained and the free space of the storage area of the received data, wherein the storage control means checks the result of the checking by the checking means,
2. The data receiving apparatus according to claim 1, wherein when it is determined that the free space is insufficient, the newly received data is stored beyond a storage area of the received data. 3. The storage control means appends additional information to the received data and stores the data in the storage means, and when the collation means determines that the free space is insufficient. 3. The data receiving apparatus according to claim 2, wherein the storage area of the received data is arranged based on the additional information, and the newly received data is stored.