Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
1997-12-19
2001-06-05
Hunter, Daniel S. (Department: 2749)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S414200, C455S556200, C455S557000
Reexamination Certificate
active
06243578
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a telephone transmitting and receiving unit, a mobile communication relay terminal and a mobile communication terminal which can realize comfortable mobile object communication suitable to a time, place and occasion without contracting a plurality of circuits. The present invention also relates to a communication service system in which contents of a received electronic mail without the use of a communication terminal which does not include a function of displaying data of the electronic mail in letters.
Recently, as prices of machine and instruments for mobile communication, and its service fees have been reduced, subscribers to the mobile communication has been increased. Increase of subscribers to the portable telephone, PHS (Personal Handy phone System), etc. is remarkable. As mobile computers, etc. prevail, applications of connecting portable telephone terminals, PHS terminals to the mobile computers for data communication are increasing. It is considered that the number of subscribers to the mobile communication will increase.
Recently PHS-integrated terminals including PHS terminals and PDAs (Personal Digital Assistants) integrated with each other are marketed, and a single terminal can accommodate services of telephone communication, electronic mail, etc.
However, the mobile communication uses electric waves of an allocated frequency band. In an allocated frequency band only a set number of circuits can be provided. Accordingly, if subscribers continue to increase as have done, a problem that the subscribers will exceed a circuit providing capacity limit will take place.
While the PHS-integrated terminal can realize various functions, the PHS-integrated terminal is large-sized a little inconveniently to carry in comparison with the PHS terminal and the portable telephone terminal, and some users contract different circuits for the PHS terminal and the portable telephone terminal to use the PHS-integrated terminal and PHS terminal suitably for purposes. To comfortably use the mobile communication suitably for TPO (Time, Place, Occasion) circuit service fees must be paid for the respective circuits, which much burdens the users. This is also a problem.
In the conventional communication service, by the PHS terminal, the portable telephone terminals, etc. having no function of displaying data of an electronic mail in letters the users cannot know contents of a received electronic mail.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a telephone transmitting/receiving unit and a mobile communication terminal which can realize comfortable mobile communication corresponding to a time, place and occasion without contracting a plurality of circuits.
Another object of the present invention is to provide a telephone transmitting/receiving unit, a mobile communication relay terminal and a mobile communication terminal which can realize comfortable mobile communication corresponding to a time, place and occasion without contracting a plurality of circuits.
Further another object is to provide a communication service system in which even by the use of a communication terminal having no function of displaying data of an electronic mail in letters a user can know contents of a received electronic mail.
The above-described objects are achieved by a telephone transmitting/receiving unit comprising: an electronic circuit having a function of converting a received signal received by an antenna to a voice signal to be outputted by a speaker, a function of converting a voice signal inputted to a microphone to a transmitted signal to be outputted by the antenna, a function of conducting prescribed processing, based on an operational signal from an operational unit, and a function of generating a display signal to be displayed in a display unit; a cartridge including the electronic circuit and removably loaded in a slot formed in a mobile communication terminal; and an input/output unit included in the cartridge for inputting/outputting a signal to/from the mobile communication terminal. The telephone transmitting/receiving unit is loaded in the mobile communication terminal, whereby mobile communication can be performed by the use of the mobile communication terminal. The telephone transmitting/receiving unit is applicable to various types of mobile communication terminals, so that comfortable mobile communication can be provided corresponding to a time, place and occasion without contracting a plurality of circuits but by contracting one circuit.
The above-described objects are achieved by a mobile communication terminal comprising: an antenna for transmitting/inputting a signal to/from a base station; a speaker for outputting a voice signal; a microphone for inputting a voice signal; an operational unit for generating an operational signal, based on an operation; a display unit for display based on a display signal; a slot for receiving the above-described telephone transmitting/receiving unit; and an input/output unit included in the slot for inputting/outputting a signal to/from the telephone transmitting/receiving unit. The telephone transmitting/receiving unit is loaded in the mobile communication terminal, whereby mobile communication can be performed by the use of the mobile communication terminal. The telephone transmitting/receiving unit is applicable to various types of mobile communication terminals, so that comfortable mobile communication can be provided corresponding to a time, place and occasion without contracting a plurality of circuits but by contracting one circuit. The above-described mobile communication terminal does not have to include the electronic circuit formed in the telephone transmitting/receiving unit, which contributes to lower costs of the mobile communication terminal.
The above-described object is achieved by a mobile communication relay terminal comprising: an antenna for transmitting/receiving a signal to/from a base station; a slot for receiving the above-described telephone transmitting/receiving unit; an input/output unit disposed in the slot for inputting/outputting a signal to/from the telephone transmitting/receiving unit; and a unit for transmitting/receiving a signal to/from a mobile communication terminal. The mobile communication relay terminal includes the slot for receiving the telephone transmitting/receiving unit, whereby transmitted/received signals are relayed by the mobile communication relay terminal to perform mobile communication by the use of the mobile communication terminal. The mobile communication terminal can be smaller-sized, which provides comfortable mobile communication corresponding to a time, place and occasion.
The above-described object is achieved by a mobile communication terminal comprising: a microphone for inputting a voice signal; a speaker for outputting a voice signal; and a unit for transmitting/inputting a signal to/from the above-described mobile communication relay terminal. The mobile communication relay terminal includes the slot for receiving the telephone transmitting/receiving unit, whereby transmitted/received signals are relayed by the mobile communication relay terminal to perform mobile communication by the use of the mobile communication terminal. The mobile communication terminal can be smaller-sized, which provides comfortable mobile communication corresponding to a time, place and occasion.
In the above-described mobile communication terminal it is preferable that the mobile communication terminal is a portable telephone, a personal handy phone, a personal digital assistant or a mobile computer.
In the above-described mobile communication terminal it is preferable that the mobile communication terminal is in the form of a fountain pen, a key holder, a lighter or a pendant.
The above-described object is achieved by a communication service system for, when data transmitted by a transmitting person is electronic mail data, converting the electronic mail data to a voice signal, and transmitting the voice signal to
Dickstein , Shapiro, Morin & Oshinsky, LLP
Hunter Daniel S.
Nguyen Thuan T.
LandOfFree
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