Communications: electrical – Selective – Having indication or alarm
Reexamination Certificate
1999-04-15
2002-08-27
Zimmerman, Brian (Department: 2635)
Communications: electrical
Selective
Having indication or alarm
C340S007200, C340S007430, C340S007510, C340S007540, C340S007550, C340S007600, C455S412100, C455S186100
Reexamination Certificate
active
06441720
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a selective call radio receiver having an external connection function and a method for transmitting its message. More particularly, the present invention relates to a technique of transmitting a received message to an external apparatus.
2. Description of the Related Art
Conventionally, a selective call radio receiver having an external connection function is well known which can be connected through an external terminal to an external apparatus, for example, a personal computer. This selective call radio receiver having the external connection function can once store a received message in a message memory and then transfer the message stored in this message memory to the personal computer. The personal computer can receive the message and display the message on a display or store the message in a memory as a file. Moreover, the personal computer can send a predetermined command to the selective call radio receiver having the external connection function to thereby erase the message stored in the selective call radio receiver having the external connection function.
However, the conventional selective call radio receiver having the external connection function has the following problems. That is, if an amount of messages stored in the message memory exceeds a certain value, the message are automatically discarded in order from the message of the oldest reception time. Thus, there may be a case that the message is discarded before a user read it. Moreover, there may be a case that an old message to be transferred is discarded, if a new message is received before the message stored in the message memory is transferred to the personal computer.
As a technique with regard to such a selective call radio receiver, for example, “Pocket Bell Information Transferring Method” is disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 4-57417). In this pocket bell information transmitting method, call information from a requester is transmitted to a receiver of a subscriber of a pocket bell system together with special information such as emergency information. The information received by the receiver is transferred to an external personal computer and then processed by the personal computer. However, a technique of preventing a message from being discarded when the messages received by the receiver exceeds a predetermined amount is not disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 4-57417).
Also, “Telephone Apparatus” is disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-13958). In this reference, when a message is received by a pager, a telephone call can be issued to a counter party with a simple operation without using a memo and the like, in accordance with this received message. Also, a telephone number or a message can be transmitted to an external equipment using a line. However, this technique disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-13958) can not prevent the message from being discarded when the message received by the pager exceeds a predetermined amount.
Also, “Receiver For Local Call” is disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-53887). In this reference, a decoder can store desirable message information in a memory without mounting outside the memory, a controller that can be used by a microcomputer or a processor. However, even this technique disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-53887) can not prevent the message from being discarded when the message received by the local call receiver exceeds a predetermined amount.
Moreover, “Information Providing Apparatus For Car” is disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-152501). In this reference, reception error of information for a driver can be prevented. In this information providing apparatus for a car, when a remaining capacity of a built-in memory of a pager terminal device becomes equal to or less than a predetermined value, a detection signal is detected by a memory capacity detecting unit. A starting unit is activated in accordance with this detection signal. This activation enables a power supply circuit of ECU to be turned on. Then, data stored in the built-in memory is transmitted to a memory of the ECC by a transmitting unit. Accordingly, this apparatus prevents the reception error of the information for the driver resulting from the fact that the built-in memory of the pager terminal device becomes full. However, a technique of classifying and storing received messages into a usual message and a transfer message is not disclosed in Japanese Laid Open Patent Application (JP-A-Heisei 6-152501).
SUMMARY OF THE INVENTION
The present invention is accomplished in view of the above mentioned problems. Therefore, an object of the present invention is to provide a selective call radio receiver having an external connection function, which can prevent a message having an old reception time from being discarded, and a method for transmitting the message.
In order to achieve an aspect of the present invention, a selective call radio receiver with an external connection function, includes a connection section, a normal message storage section, a transfer message storage section and a control section. The connection section is connected with an external unit. The normal message storage section stores normal messages and the transfer message storage section stores transfer messages. The control section classifies a reception message into the normal message and the transfer message based on a header data of the reception message to store in one of the normal message storage section and the transfer message storage section in accordance with the classification. Also, the control section transfers the transfer messages from the transfer message storage section to the external unit through the connection section in response to a transfer instruction.
The selective call radio receiver may further include an output section for outputting an alarm in response to an alarm instruction. The control section checks a usage ratio of the transfer message storage section, and outputs the alarm instruction to the output section, when the usage ratio is equal to or more than a predetermined value. In this case, the output section preferably outputs the alarm in at least one of sound and display. Also, the control section preferably checks the usage ratio of the transfer message storage section for every predetermined time.
The control section may clears the transfer message storage section in response to an clear instruction.
The selective call radio receiver may further include a connection switch for checking whether the external unit is connected and for generating the transfer instruction when it is determined that the external unit is connected.
When the selective call radio receiver has a plurality of identifiers, the control section determines whether the reception message is the normal message or the transfer message, based on a destination identifier contained in the header data of the reception message and the plurality of identifiers.
The control section checks whether the transfer message storage section is full, and stores the transfer message in the normal message storage section, when it is determined that the transfer message storage section is full.
Also, the control section may move the transfer message stored in the normal message storage section into the transfer message storage section in response to a movement instruction.
In addition, the control section may stores the transfer messages in the transfer message storage section in order of reception, and when a portion of the transfer messages stored in the transfer message storage section is cleared, the control section squeezes remaining transfer messages in the transfer message storage section.
In order to achieve another aspect of the present invention, a method of transferring a transfer message to an external unit in a selective call radio re
Dalencourt Yves
NEC Corporation
Whitham Curtis & Christofferson, P.C.
Zimmerman Brian
LandOfFree
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