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Portable telephone setRelated Patent Categories: Telecommunications, Radiotelephone System, Message Storage Or RetrievalPortable telephone set description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060172725, Portable telephone set. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS [0001] This application is a division of application Ser. No. 10/840,363, filed May 7, 2004, now pending, and based on Japanese Patent Application No. 2003-130252, filed May 8, 2003, by Yuka HAYASHI. This application claims only subject matter disclosed in the parent application and therefore presents no new matter. BACKGROUND OF THE INVENTION [0002] This application claims benefit of Japanese Patent Application No. 2003-130252 filed on May 09, 2003, the contents of which are incorporated by the reference. [0003] The present invention relates to portable telephone sets and, more particularly, to a portable telephone set capable of reading out and utilizing personal data registered therein from a different telephone set or the like. [0004] Hitherto, it has been possible to register many personal data such as a telephone diary or a schedule book in a portable telephone set. However, when the user forgets the portable telephone set to be carried, he or she can no longer externally refer to these personal data. [0005] Accordingly, Japanese Patent Laid-Open No. 2000-216858, for instance, proposes a method of externally utilizing personal data of a personal telephone set. In this well-known method, when a personal password inputted by dialing is received and found to be identical, a personal data retrieval code is requested, and personal data is called out from a memory based on the retrieval code and is outputted (see Literature 1: Japanese Patent Laid-Open 2000-216858, for instance). [0006] In the method described in the Literature 1, however, when the individual password is identical, a question as to whether the personal data call-out is requested is to be answered in term of "Yes" or "No". In addition, it is necessary to answer a question as to whether call arrival history or a message is requested. Furthermore, it is necessary to answer a question concerning the retrieval code. Therefore, the operation is cumbersome and time-consuming. SUMMARY OF THE INVENTION [0007] The present invention was made in view of the above prior art problems, and it has an object of providing a portable telephone set and control method thereof capable of simple and safe reading out of the personal data with improved convenience. [0008] According to an aspect of the present invention, there is provided a portable telephone set comprising a database with data stored therein, a means for checking whether a preliminarily registered password is contained in a received mail, a means for checking, when the password is found to be contained, whether a letter train other than the password is also contained in the received mail, a means for retrieving, when the other letter train is found to be contained in the received Mail, the database by using the other letter train, and a means for mail returning, when data corresponding to the other letter train is found to be in the database, the corresponding data to the source of transmission. [0009] When the data corresponding to the other letter train is not found in the database, this fact is mail returned to the source of transmission. The retrieving means retrieves a telephone diary in the database by using the other letter train. The retrieving means retrieves a schedule book in the database by using the other letter train. The transmitting means transits data to a preliminarily registered main address or telephone number. [0010] According to another aspect of the present invention, there is provided a portable telephone set comprising a database with data stored therein, a means for collating a cipher inputted at the time of a call arrival with a preliminarily registered cipher, a means for converting, when both the ciphers are identical, a retrieval code inputted in voice to data, a means for retrieving the database by using the converted retrieval code, and a means for transmitting, when the data corresponding to the retrieval code is found in the database, the corresponding data in voice to the source of transmission. [0011] The data corresponding to the retrieval code is not found in the database, the fact is transmitted in voice to the source of transmission. The retrieving means retrieves, when the retrieval code is a name, the telephone diary in the database. The retrieving means retrieves, when the retrieval code is a date, the schedule book in the database. The transmitting means transmits data in voice to a preliminarily registered telephone number or mail address. [0012] According to other aspect of the present invention, there is provided a control method of a portable telephone set comprising steps of checking whether a preliminarily registered password is contained in a received mail, checking, when the password is found to be contained, whether a letter train other than the password is contained in the received mail, retrieving, when the other letter train is found to be contained in the received mail, database by using the other letter train, and mail returning, when data corresponding to the other letter train is found to be in the database, the corresponding data to the source of transmission. [0013] According to further aspect of the present invention, there is provided a control method of a portable telephone set comprising steps of checking as to whether a received mail contains a password as a combination of preliminarily registered symbols or letters, retrieving, when the password is found, a telephone diary in a database by using a letter train other than the password contained in the received mail; and mail returning, when a telephone number corresponding to the other letter train is contained in the telephone diary, the corresponding telephone number to the source of transmission, and when no such telephone number is contained, mail returning this fact. [0014] Other objects and features will be clarified from the following description with reference to attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0015] FIG. 1 is a block diagram showing the arrangement of the first embodiment of the present invention; [0016] FIG. 2 is a flow chart showing operation of the embodiment of FIG. 1; [0017] FIG. 3 is a block diagram showing the arrangement of a second embodiment; and [0018] FIG. 4 is a flow chart showing operation of the embodiment of FIG. 3. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0019] Preferred embodiments of the present invention will now be described with reference to the drawings. Continue reading about Portable telephone set... Full patent description for Portable telephone set Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Portable telephone set patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. 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