JPH047868B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a telephone, and more particularly to a telephone equipped with a ringer stop function.

<Conventional technology and its problems> Telephones are designed to ring when a call arrives, so you can ring even if you are too busy to answer the call, receive repeated prank calls, or want to get a good night's sleep. Sometimes the sound cannot be stopped and it is inconvenient.

The present invention has focused on this point and has been made with the object of eliminating the above-mentioned inconvenience by turning off the ringing tone for a certain period of time.

<Means for Solving the Problems> In order to achieve the above object, the present invention provides a conventional telephone with operating means for selecting a ringer stop mode, a setting means for setting a ringer stop time, and a setting means for setting a ringer stop time. The apparatus is provided with an operating means and a control section for controlling the ring tone so as not to sound for a predetermined period of time in accordance with the operation result of the setting means.

<Function> In the telephone of the present invention, when the ringer stop mode is selected by the operation means, the ringer does not sound even if there is an incoming call during the time set by the setting means. Therefore, the owner of the telephone can stop the ringer for an arbitrary period of time according to his/her will, and when that time has elapsed, the ringer will automatically return to the ringer state, and the ringer will not remain in the ringer state for longer than the required time. This will not cause any inconvenience that will last forever.

<Example> An illustrated embodiment will be described below.

Figure 2 shows the appearance of the telephone.
Like a normal telephone, it is equipped with a handset 1, a dial key 2, a touch switch 3, a telephone cord 4, etc., as well as a ringer stop key 5 and a control circuit.
Equipped with AC adapter 6, etc.

FIG. 3 shows an example of a circuit related to the ringing tone generating circuit, in which 11 indicates the ringing tone generating circuit, 12 indicates the selection signal transmitting circuit, and 13 indicates the telephone call circuit. The ringing tone generating circuit 11 is connected to the telephone line connection terminals L ₁ and L ₂ through the break contact RL of the relay, the capacitor C ₁ , the resistor R ₁ , the diode bridge D ₁ , and the contact HSW of the switch 3. A speaker SP is connected to the output side via a transformer T. When a call signal comes in from the telephone line,
Through the above-described circuit, the ring tone generation circuit 11 becomes operational, and a ring tone is generated from the speaker SP. Then, when the handset 1 is lifted, the contact HSW of the telephone switch 3 is switched, the ringing tone is stopped, and the communication circuit 13 is activated to enable communication.

The above-mentioned break contact RL is used to stop the ringing tone while the handset 1 is left in place, and the configuration of the control section is shown in FIG. That is, 15 is a control circuit using a microcomputer, to which the dial key 2, switch 3, ring stop key 5, and selection signal transmission circuit 12 are connected.
A power supply circuit 16 operated by an AC adapter 6 is connected. Reference numeral 17 denotes a relay equipped with the aforementioned break contact RL, to which a transistor 18 as a switch element is connected in series, and the output signal S of the control circuit 15 is applied to the base of the transistor 18.

The dial key 2 also serves as a setting means for setting the time for the ringer stop mode. For example, the dial keys "1", "2", ..., "9" can be set to 1 hour, 2 hours, ..., 9 hours, respectively. The dial key "0" is for clearing.

To enter the ringer stop mode, press the ringer stop key 5 with the handset 1 still in place, and then press, for example, "3" on the dial key 2. These operations are detected by the control circuit 15, and the control circuit 1
A ring tone stop timer built in the dial key 5 is set, and the output signal S is output for a period of time corresponding to the number pressed on the dial key 2, for example, for three hours, and the relay 17 is turned on. As a result, the break contact RL is turned off, and the ringing tone generation circuit 11 does not operate during the set time, and the ringing signal is received and no ringing tone is emitted. When the set time has elapsed, the ringer stop timer is reset, the relay 17 is turned off, and the break contact RL is turned on to return to the normal mode.

When the user wants to cancel the ring tone stop mode and return to the normal mode, the user presses the ring tone stop key 5 and presses "0" on the dial key 2 while leaving the handset 1 on. This resets the ringer stop timer and returns to normal mode.

In addition, if you lift the handset 1 and perform a predetermined number operation with the dial key 2, the selection signal transmitting circuit 12
It is the same as a general telephone, and even if you leave the handset 1 and directly operate the dial key 2, the call will not be made, or if you select the ringer stop mode or Of course, the release is not performed either.

Figure 4 shows the above control procedure.
FIG. 4a shows a main flowchart, and FIG. 4b shows a timer interrupt flowchart.

As a modification of the present invention, instead of stopping the ringing tone, a similar timer set may be used to reduce the volume of the ringing tone for a predetermined period of time.

<Effects of the Invention> As is clear from the description of the embodiments described above, the telephone set of the present invention is provided with an operation means for selecting a ringer stop mode and a setting means for setting a ringer stop time, so that the telephone set does not stop the ringer for a predetermined period of time. It is possible to stop the. Therefore, it is convenient to be able to stop the ringing tone for an arbitrary period of time, and there is no inconvenience that the ringing tone continues indefinitely even after the required period of time, and it is not necessary to stop the ringing tone for an arbitrary period of time. Since only the ringer generation circuit is restricted and the incoming call function is maintained, even if multiple telephones are installed in parallel, incoming calls can be restricted depending on the location and purpose. If you connect an incoming call display device, you can receive calls even without ringing, and you won't make the other party feel suspicious. Furthermore, it is possible to obtain a telephone that is easy to use and has many excellent effects such as the strength of the ringing tone being maintained within the time that the mode is maintained.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention.
The figure is a block diagram of the control section, FIG. 2 is an external perspective view, FIG. 3 is a block diagram of the ring tone generation circuit section, and FIGS. 4a and 4b are flowcharts of the control procedure. . DESCRIPTION OF SYMBOLS 1...Handset, 2...Dial key, 5...Ring tone stop key, 11...Ring tone generation circuit, 15...Control circuit, 17...Relay, RL...Relay break contact.

Claims (1)

[Claims] 1. In a general subscriber telephone, an operation means for selecting a ring tone mode such as stopping or reducing the ring tone, a time setting means for setting the mode retention time of the ring tone with a dial key, and the above-mentioned A ring tone generating circuit is provided, comprising an operating means and a control section for maintaining a specified mode of a ring tone for a predetermined period of time according to the operation result of the setting means and automatically returning to a normal ringing state at a predetermined time limit. A telephone characterized by being controlled.