Incoming calling system

Details Incoming calling system Incoming calling system

1999-06-16

2001-07-17

Urban, Edward F. (Department: 2684)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S066100, C455S088000, C455S575100

Reexamination Certificate

active

06263218

ABSTRACT:

TECHNICAL FIELD
The present invention relates to an incoming calling system, and more particularly to an incoming calling system for notifying a terminal user of an incoming call to a telephone terminal or portable radio terminal.
BACKGROUND ART
A car telephone, portable telephone, and moreover a digital cordless telephone (PHS: Personal Handy Phone System) allowing a slave terminal of a home cordless telephone to also be used as a portable telephone outdoors have been used in recent years and downsizing or personalizing of radio telephones has is rapidly progressed. Moreover, downsizing of pagers (individual selective calling system) has progressed while they now also incorporate telephone functions and pager functions into an electronic organizer or portable information terminal.
However, though these various pieces of electronic equipment are downsized, each of them is still too bulky for a pocket and therefore, the devices are frequently put in a suitcase or bag to carry. For this reason, an incoming ringing tone of a portable telephone or pager becomes difficult to hear. Particularly, a contact cannot frequently be received because the user does not sense an incoming call during noises.
Moreover, as described above, a portable telephone for notifying the user of an incoming call by an incoming ringing tone cannot adequately display the feature that the portable phone can be used anywhere because an incoming ringing tone disturbs others when he is present in a streetcar, airplane, or public place such as a meeting hall.
Products are already manufactured which make it possible for the user to confirm a communicating destination or a matter of business even after he fails to hear an incoming ringing tone by adding an automatic answering and recording function to a portable telephone; notify the user by a portable telephone provided with an incoming notifying function using vibration (vibrator call) without disturbing others by having the telephone in his pocket; and notify the user of an incoming call without disturbing others even if he has a master portable telephone in his suitcase or bag by using a compact portable incoming calling unit for detecting a signal output from a slave portable telephone by wireless and notifying him through vibration or the like.
However, a conventional portable telephone terminal has the problem that adding an automatic answering and recording function to a portable telephone substantially increases the cost of the device. Moreover, it is impossible to prevent the user from failing to hear an incoming ringing tone even if he can confirm a communicating destination or a matter of business later.
Moreover, it is necessary for the user to always carry a product whose portable telephone terminal is provided with an incoming notifying function through vibration in his breast pocket or the like because he is advised of an incoming call by vibration though the incoming call does not disturb others. However, even though downsizing of portable telephones has rapidly progressed, there are problems that it is troublesome and uncomfortable for the user to live by always having the portable telephone in his breast pocket or the like because of waiting reception.
Furthermore, when a call-in signal (incoming calling signal) is output from a base station through radio waves, an incoming calling unit for a portable telephone constituted with a separate case receives radio waves of a link channel establishment request signal, burst signal, or incoming calling response signal transmitted from a portable telephone terminal nearby the terminal by responding to the incoming calling signal and notifies the user of the incoming call through a vibration alarm obtained by eccentrically setting a weight to the rotary shaft of a motor.
However, because the above theory detects radio waves output from a portable telephone and moreover responds to radio waves output from a portable telephone terminal at the time of not only an incoming call but also speech, calling, or position entry communication when the terminal moves exceeding a service area or cell of a base station, it has a problem of a high possibility of erroneous notification.
Moreover, when a near portable telephone terminal receives an incoming or speech is carried out, a problem occurs that an incoming calling unit receives radio waves and output an erroneous notification similar to the above case.
DISCLOSURE OF THE INVENTION
The present invention is made to solve the above problems and its object is to provide an incoming calling system capable of securely notifying the user of incoming to a radio portable terminal of a mobile communication equipment without disturbing others and outputting less erroneous notification.
To achieve the above object, an incoming calling system of the present invention comprises an incoming notification signal transmitter having an incoming detection unit connected to a telephone terminal to detect the incoming to the telephone terminal and a wireless transmission unit for transmitting an incoming notification signal by wireless when the incoming is detected by the detection unit and an incoming notification signal receiver having a wireless reception unit for receiving the incoming notification signal transmitted by the incoming notification signal transmitter and notification unit for notifying that the signal is received by the wireless reception unit, in which the incoming notification signal transmitter and the incoming notification signal receiver are constituted with a separate case respectively.
Therefore, because the incoming notification signal transmitter and the incoming notification signal receiver are constituted with a separate case respectively, it is possible to recognize incoming by only having a compact incoming notification signal receiver without always carrying a radio portable terminal. Moreover, because the incoming notification signal transmitter is directly connected to the radio portable terminal, it is possible to securely detect the incoming to the radio portable terminal and transmits an incoming notification signal to the incoming notification signal receiver in accordance with the incoming detection. Therefore, secure incoming notification free from erroneous notification can be realized.


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