JPH0766858A - Telephone set with detecting function for handset fault - Google Patents

Abstract

PURPOSE:To warn a state of incomplete hooking of the handset by using a detection means so as to detect whether or not the handset is located accurately on a telephone set main body, outputting its information and allowing a fault detection means to discriminate the information of the handset based on the information from the detection means thereby raising a warning tone in the case of incomplete mount state of the handset. CONSTITUTION:Whether or not a hook switch is hooked on is discriminated and a detection circuit 1 is driven at a predetermined time interval when the switch is not hooked on, whether or not the detection state continues for a predetermined number of times of the intermittent operation of the circuit 1 is discriminated and when the detection continues for a predetermined number of times, a warning display circuit 3 outputs a warning display and a warning tone. In the case of on-hook, the drive of the circuit 1 is stopped. In the case of off-hook, the circuit 1 discriminates whether or not the detection state is produced and in the case of the detection state, the circuit 3 outputs the warning display and the warning tone. When the circuit 1 is not in the detection state, since it represents possibility of malfunction, whether or not the detection state continues for a predetermined number of times once more is discriminated. The operation above is repeated to detect a fault of the handset 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone, and more particularly to a telephone which detects a state in which a handset is not normally placed on a telephone body (hereinafter referred to as half-hanging) and issues a warning.

[0002]

2. Description of the Related Art FIG. 6 is a block diagram showing a configuration of a conventional telephone, FIG. 7 is a plan view of a conventional telephone with a handset handset normally placed, and FIG. 8 is a sectional view of a side view of FIG. 9 is an explanatory view of the conventional telephone handset in a half-hanging state, and FIG. 10 is a flowchart showing the operation of the conventional telephone.

In the figure, 20 is an incoming call detection circuit for detecting whether or not there is an incoming call from another telephone, 21 is a dial key for inputting the telephone number of the other party when making a call, and here is a push button. It is a type. Two
Reference numeral 2 denotes a ringing sound circuit that sends a ringing sound or the like from the speaker 23 to notify the user of the incoming call when the incoming call detection circuit 20 detects the incoming call. The ringing circuit 22 and the speaker 23 constitute a ringing sound output circuit. is doing. Reference numeral 24 denotes a handset, which is mainly configured as a handset detachably attached to the telephone body.

Reference numeral 25 is a call circuit for converting the signals transmitted to the telephone line so that a telephone call can be made through the handset 24. Reference numeral 26 is a handset which is the handset 24 being picked up from the main body of the telephone or the main body of the telephone. A hook switch whose output changes depending on whether it is placed, 27 is an incoming call detection circuit 20, a dial key 21, a sound circuit 22,
A call circuit 25 and a hook switch 26 are connected, which is an outgoing / incoming call control circuit for controlling outgoing / incoming calls of the telephone.

The incoming and outgoing call control circuit 27 includes an incoming call control circuit 20.
The incoming signal from the telephone, the telephone number of the other party from the dial key 21 and the on-hook / off-hook information from the hook switch 26 are input. Based on the information, a ringing tone is output from the speaker 23 via the ringing circuit 22 when an incoming call is received. Is output, voice is exchanged with the handset 24 via the communication circuit 25, and a dial signal at the time of transmission is sent to the telephone line.

Reference numeral 30 denotes a telephone body, 31 denotes a mounting portion on which the handset 24 is placed when the handset 24 is placed on the telephone body, and 32 denotes a handset 24 when the handset 24 is placed on the telephone body.
The transmitter is a receiver on which the receiver and transmitter of the handset 24 are normally placed, as shown in FIGS.
1 and 32, the hook switch 5 is pressed to enter the on-hook state, but as shown in FIG.
If the receiving section and the transmitting section of No. 4 are not normally placed on the placing sections 32, 32 and are in a half-hanging state, the hook switch 5 is not pressed and remains in the off-hook state.

Next, the operation of the transmission / reception control circuit of the conventional example will be described with reference to FIG. First, it is determined whether or not the hook switch 26 is off-hook, that is, whether or not the handset constituting the handset 24 has been picked up from the telephone body 30 (S40), and if it is not off-hook at S40, it is determined whether or not there is an incoming call (S41). ), If it is not an incoming call in S41, the process returns to S40, and if it is an incoming call in S41, a ringing tone is output (S42). Then, it is judged whether or not it is off-hook (S43), and if it is not off-hook in S43, S
It returns to 42 and outputs a ringing tone. If it is off-hook in S43, the ringing tone is stopped and the call is started (S
44), and it is determined whether the hook is on-hook (S4).
5) If it is not on-hook in S45, the process returns to S44 to continue the call. If it is on-hook in S45, the line is released to terminate the call (S46), and the process returns to S40.

If it is off-hook in S40, it is judged whether or not the telephone number of the other party is pressed with the dial key 21 (S47). If the telephone number of the other party is pressed with the dial key 21 in S47, the button is depressed. The dialed number is sent to the telephone line to call the other party (S48), and it is determined whether or not the other party has arrived (S49). If the other party does not receive the call at S49, the procedure returns to S48 to call the other party. S49
When the other party receives a call, the call is started in S44.

If the other party's number is not pressed with the dial key 21 in S47, it is judged whether or not it is on-hook (S5).
0), if it is not on-hook in S50, return to S47, S
If 50 is on-hook, the process returns to S40. The above operation is repeated to control incoming and outgoing calls. The conventional telephone operates as described above, and cannot receive an incoming call when the hook switch 26 is in the off-hook state.

[0010]

In the conventional telephone as described above, if the handset is normally placed on the main body of the telephone as shown in FIGS. 7 and 8, the hook switch is depressed by the handset and the hook is released. The switch operates normally and goes on-hook, but at first glance, the handset does not appear to be in a normal position when the handset is not in a normal position as shown in FIG. Although it seems that there is a call, the hook switch may not be actually pressed by the handset. In this case, there is a problem that the line cannot be opened and the call cannot be received.

The present invention has been made to solve the above problems, and outputs a warning display and a warning sound when the handset is half-hanged on the telephone, The purpose is to obtain a telephone that can inform that it is half-hanged.

[0012]

A telephone with a fault detecting function for a handset according to the present invention includes a handset, a hook switch whose output changes depending on whether the handset is in an on-hook state or an off-hook state, and an incoming call. In a telephone that has a ringing tone output circuit that sometimes outputs a ringing tone and a call control circuit that forms a call line with a telephone exchange and exchanges call voice with a handset, is the handset located above the telephone body? Detection circuit that outputs the information, and the state of the handset is determined based on the information from the detection unit and the information from the hook switch, and when it is determined that the handset is half-hooked, a warning sound is output. And failure detection means to output from the.

[0013]

In the present invention, the detection means detects whether the handset is located on the main body of the telephone and outputs the information, and the failure detection means outputs the information from the detection means and the information from the hook switch. Based on the above, the state of the handset is determined, and when it is determined that the handset is half-hanged, a warning sound is output from the ringing sound output circuit.

[0014]

1 is a block diagram showing a configuration of a telephone according to an embodiment of the present invention, FIG. 2 is a plan view of a telephone according to an embodiment of the present invention in which a handset is normally placed, and FIG. FIG. 4 is a cross-sectional view seen from the side, FIG. 4 is an explanatory view of the handset of the telephone according to the embodiment of the present invention in a half-hanging state, and FIG. 5 is a flowchart showing the operation of the telephone according to the embodiment of the present invention.

In the figure, the same components as those in the conventional example are designated by the same reference numerals, and the description of the duplicate components is omitted. 1 is a detection circuit for detecting whether the handset 24 is located above the main body of the telephone, 2 is the hook switch 26 on-hook,
The detection circuit 1 is intermittently driven at a predetermined time interval, and it is determined whether the handset 24 is in the half-hanging state based on the detection signal from the detection circuit 1, and when it is determined that the half-hanging state, an abnormal signal is output. Fault detection circuit 3, 3 is a warning display circuit for displaying a warning based on an abnormal signal from the fault detection circuit, 4 is a warning circuit 22 based on the abnormal signal from the fault detection circuit to output a warning sound from a speaker 23 This is a warning sound generating circuit.

The warning sound generation circuit 4 controls the sound generation circuit 22 so that it can be distinguished from the ringing sound by changing the type of signal output from the sound generation circuit 22 or changing the frequency, for example. Is output from the speaker 23. The warning sound when the handset 24 is abnormal may be the same as the ringing sound, and in that case, the ringing circuit 22 may be operated when outputting the warning sound. Reference numeral 5 is a light emitting element that emits light when driven by the failure detection circuit 2, and 6 is a light receiving element that receives the light emitted by the light emitting element 5 and reflected by the handset 24 and outputs it to the failure detection circuit 2. The detection circuit 1 is composed of 5 and the light receiving element 6.

The detection circuit 1 including the light emitting element 5 and the light receiving element 6 is adapted to be intermittently driven by the fault detection circuit 2 when the hook switch 26 is off hook.
As shown in FIGS. 2 and 3, when the handset 24 is normally attached to the telephone body, it is in an on-hook state, the detection circuit 1 is not operating, and the detection circuit 1 is in the handset 24.
Is not detected. Further, as shown in FIG. 4, when the handset 24 is in the half-hanging state, the hook switch 26 is not depressed and is in the off-hook state, the detection circuit 1 is operating intermittently, and the handset 24 Is located on the main body of the telephone, the detection circuit 1 is in a state of detecting the handset 24 during operation, and outputs the information to the failure detection circuit 2.

Next, the operation of this embodiment will be described. The operation of the outgoing / incoming call control circuit of this embodiment is the same as that of the conventional example, and the operation of the failure detection circuit for judging the half-hanging state of the handset 24 will be described with reference to FIG.

First, it is judged whether or not the hook switch 26 is on-hook (S10).
Returning to 10, the detection circuit 1 is intermittently driven at a predetermined time interval if it is not on-hook in S10 (S11). Then, it is determined whether or not the detection state continues for a predetermined number of times when the detection circuit 1 is intermittently operated (S12), and if the detection state does not continue for the predetermined number of times in S12, it is determined whether or not the hook is on-hook ( S13), if it is not on-hook in S13, S12
Returning to step S13, if it is on-hook in S13, driving of the detection circuit 1 is stopped (S14), and the process returns to S10.

If the detection state continues for a predetermined number of times in S12, a warning display and a warning sound are output (S15). Then, it is judged whether or not it is on-hook (S16), and if it is on-hook in S16, driving of the detection circuit 1 is stopped (S1).
4) and returns to S10. If it is not on-hook in S16,
It is determined whether the detection circuit 1 is in the detection state (S17), and S1
If it is in the detection state in 7, the process returns to S15 and a warning display and a warning sound are output. If the detection circuit 1 is not in the detection state in S17, there is a risk of malfunction, so the process returns to S12 and another
It is determined whether or not the detection state continues for a predetermined number of times. The above operation is repeated to detect a failure of the handset 24.

As described above, in this embodiment, the handset 2
When 4 is half-hanged on the phone body, a warning display and warning sound can be output to notify that the handset 24 is half-hanged, and the handset 24 is half-hanged and the phone is used. It is possible to avoid the failure that the call cannot be received even though the call has not been made.

In this embodiment, the fault detection circuit 2 drives the detection circuit 1 intermittently at a predetermined time interval when the hook switch 26 is in the off-hook state, but regardless of the state of the hook switch 26. The detection circuit 2 is intermittently driven at a predetermined time interval so that a warning display and a warning sound are output when the detection circuit 1 is in the detection state for a predetermined number of times and the hook switch 26 is in the off-hook state. May be. Further, the warning display may not be performed, and only the output of the warning sound may warn the half-engaged state.

Further, in this embodiment, the fault detecting circuit 2 is caused to perform the fault detecting operation in which the handset 24 is in the half-hanging state. However, the function of the fault detecting circuit 2 is also given to the outgoing / incoming control circuit 27. It may be arranged such that the call originating / receiving control circuit 27 is caused to perform the failure detection operation of the handset 24, and the call originating / incoming control circuit 27 controls the calling / calling and the entire telephone such as the failure detection.

[0024]

As described above, according to the present invention, the detecting means detects whether or not the handset is located on the main body of the telephone, outputs the information, and the failure detecting means detects from the detecting means. Based on the information and the information from the hook switch, the state of the handset is judged, and when it is judged that it is half-hanged, a warning sound is output from the ring tone output circuit, so the handset cannot be placed normally on the telephone. , At first glance, when the handset is in the half-hanging state where it looks as if it is normally placed, a warning sound is output to let you know that the handset is in the half-hanging state. Even if the telephone is not used in the state, it is possible to avoid the trouble that the call cannot be received.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a telephone according to an embodiment of the present invention.

FIG. 2 is a plan view in which the handset of the telephone according to the embodiment of the present invention is normally placed.

FIG. 3 is a sectional view as seen from the side of FIG.

FIG. 4 is an explanatory diagram of a handset of the telephone according to the embodiment of the present invention in a half-hanging state.

FIG. 5 is a flowchart showing an operation of the telephone according to the embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a conventional telephone.

FIG. 7 is a plan view in which a handset of a conventional telephone is normally placed.

8 is a cross-sectional view seen from the side of FIG.

FIG. 9 is an explanatory diagram of a handset of a conventional telephone in a half-hanging state.

FIG. 10 is a flowchart showing the operation of a conventional telephone.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 detection circuit (detection means) 2 failure detection circuit (failure detection means) 3 warning display circuit (failure detection means) 4 warning sound generation circuit (failure detection means) 5 light emitting element (detection circuit) 6 light receiving element (detection circuit) 22 Ringing circuit (ringing tone output circuit) 23 Speaker (ringing tone output circuit) 24 Handset 26 Hook switch 27 Calling / receiving control circuit

Claims (1)

[Claims] 1. A telephone call with a telephone handset, a hook switch whose output changes depending on whether the telephone handset is in an on-hook state or an off-hook state, a ringing tone output circuit for outputting a ringing tone when an incoming call arrives. In a telephone having a transmission / reception control circuit that forms a line and exchanges call voice with the handset, a detecting unit that detects whether the handset is located on the main body of the telephone and outputs the information, Failure detecting means for determining the state of the handset based on the information from the detecting means and the information from the hook switch, and outputting a warning sound from the ringing sound output circuit when it is determined that the handset is in a half-hanging state. A telephone with a handset fault detection function.