Telephone set for maintenance

Abstract

To provide a telephone set for maintenance capable of improving the operability in making a telephone call to the other-side telephone set.SOLUTION: There is provided a telephone set for maintenance capable of making a telephone call to an opposite-side telephone set connected to other equipment through a telephone line while connected to a telephone jack provided to a receiver, and the telephone set for maintenance comprises a handset, a telephone set body provided with a hook, a plug to be connected to a telephone jack, and a communication control unit which enables a telephone call to the opposite-side telephone set through the telephone line by the use of the handset with the plug connected to the telephone jack. The plug is always connected to the telephone jack, and further comprises a fixing magnet for fixing the telephone set body at a desired position while the telephone set body is made detachable from the receiver.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to a maintenance telephone used during maintenance work on a fire alarm system. [Background technology]

[0002] Conventionally, during construction and maintenance work, a maintenance telephone has been used that enables communication between the receiver and transmitter sides by attaching a handset to the telephone jacks of both the receiver and transmitter used in fire alarm equipment.

[0003] Furthermore, in order to improve workability, there is a conventional technique that enables hands-free or handset calls after a maintenance telephone is attached to this telephone jack (see, for example, Patent Document 1).

[0004] In addition, mobile phones, wireless devices, etc. may be used instead of maintenance telephones. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2010-231581 A Summary of the Invention [Problem to be solved by the invention]

[0006] Mobile phones and wireless devices cannot be used in environments with poor radio reception or where they are prohibited, and in such environments a maintenance telephone is an effective tool.

[0007] In the past, there were on-hook type maintenance telephones, and a recess was provided in the receiver housing to allow the maintenance telephone, which was not normally used, to be installed in the housing. This resulted in the housing becoming larger and the structure becoming more complex.

[0008] Therefore, the majority of maintenance telephones currently in use are of the plug type rather than the on-hook type. Such plug type maintenance telephones are stored inside a housing or the like with the plug disconnected.

[0009] The plug-type maintenance phone was designed so that when a call came in from the site, the ringtone would stop when the plug was inserted into the receiver's telephone jack, and if the plug was left inserted, the ringtone would not sound. Therefore, every time a call came in from the site, the maintenance phone had to be plugged into the receiver's telephone jack, and when the call was finished, the plug had to be removed from the telephone jack.

[0010] With the maintenance telephone of Patent Document 1, in order to communicate with the other telephone via the telephone line, it was necessary to insert the plug of the maintenance telephone into the telephone jack of the receiver after the ringtone sounded in response to a call request from the other telephone.

[0011] In addition, conventional plug-type maintenance telephones were designed so that they could be stored inside a housing with the plug detached, so when the plug was inserted to make a call, the maintenance telephone was not fixed in place.

[0012] Thus, in the conventional plug-type maintenance telephone, there is room for improvement in operability when making a call with a destination telephone.

[0013] The present disclosure has been made to solve the above-mentioned problems, and has an object to provide a maintenance telephone that can improve operability when making a call with a destination telephone. [Means for solving the problem]

[0014] The maintenance telephone disclosed herein is a maintenance telephone that, when connected to a telephone jack provided on a receiver, is capable of making a call over a telephone line with a destination telephone connected to another device, and is equipped with a handset for making a call, a telephone body provided with a hook on which the handset is set, a plug provided at the other end of a connection cord, one end of which is connected to the telephone body and which is connected to the telephone jack, and a communication control unit that enables a call to be made over the telephone line with the destination telephone using the handset when the plug is connected to the telephone jack, the plug is always connected to the telephone jack, and further includes a fixing magnet for fixing the telephone body in a desired position, allowing it to be attached and detached from the receiver. Effect of the Invention

[0015] According to this disclosure, it is possible to obtain a maintenance telephone that can improve operability when making a call with a destination telephone. [Brief description of the drawings]

[0016] [Figure 1] FIG. 10 is an explanatory diagram of a case where a call is made with a destination telephone during maintenance work using the maintenance telephone according to the first embodiment of the present disclosure. [Diagram 2] 1 is an explanatory diagram showing an example of the arrangement of fixing magnets provided on a maintenance telephone according to a first embodiment of the present disclosure. FIG. [Diagram 3] 4 is a flowchart showing a series of processes when a call is made to a destination telephone using the maintenance telephone according to the first embodiment of the present disclosure. [Figure 4] FIG. 1 is an explanatory diagram of a case where a call is made with a destination telephone during maintenance work using a conventional maintenance telephone; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, preferred embodiments of the maintenance telephone of the present disclosure will be described with reference to the drawings. The maintenance telephone according to the present disclosure has a technical feature that it is fixedly installed in a detachable manner on the receiver and enables communication with the destination telephone with the plug always connected to the jack.

[0018] Embodiment 1 First, the procedure for making a call with a destination telephone using a conventional maintenance telephone during maintenance work will be described with reference to Fig. 4. Fig. 4 is an explanatory diagram of a case where a call is made with a destination telephone using a conventional maintenance telephone during maintenance work.

[0019] 4 shows a receiver 10, a transmitter 20, a maintenance telephone 30, and a destination telephone 40. The receiver 10 is installed in a management room or the like, and is a controller that centrally manages various disaster prevention devices including the transmitter 20.

[0020] The receiver 10 and the transmitter 20 are connected via a signal line SG and are configured to be able to communicate with each other. The receiver 10 and the transmitter 20 are also connected via a telephone line TL, and a call can be made using the maintenance telephone 30 and the destination telephone 40.

[0021] The receiver 10 includes a communication control unit 11 and a telephone jack 12. The communication control unit 11 controls communication via a signal line SG and calls via a telephone line TL. The telephone jack 12 is a jack for connecting a maintenance telephone 30.

[0022] Similarly, the transmitter 20 includes a communication control unit 21 and a telephone jack 22. The communication control unit 21 controls communication via the signal line SG and telephone calls via the telephone line TL. The telephone jack 22 is a jack for connecting the destination telephone 40.

[0023] The maintenance telephone 30 includes a handset 31, a telephone body 32, and a plug 33. The telephone body 32 is provided with a hook on which the handset 31 is set, although this is not shown.

[0024] The plug 33 is provided at one end of a connection cord whose other end is connected to the telephone body 32. The plug 33 is inserted into the telephone jack 12 to be connected to the telephone line TL.

[0025] Similarly, the destination telephone 40 includes a handset 41, a telephone body 42, and a plug 43. The telephone body 42 is provided with a hook on which the handset 41 is set, although this is not shown.

[0026] The plug 43 is provided at one end of a connection cord whose other end is connected to the telephone body 42. The plug 43 is inserted into the telephone jack 22 to be connected to the telephone line TL.

[0027] The maintenance telephone 30 is capable of making and receiving calls when the plug 33 is inserted into the telephone jack 12, but is normally left unplugged so that it can be stored in a desired location and carried around.

[0028] Similarly, the destination telephone 40 is capable of making a call when the plug 43 is inserted into the telephone jack 22, but is normally in the unplugged state and can be stored or carried in a desired location.

[0029] In the conventional configuration shown in FIG. 4, a call is made in the following manner. Step 1: On the transmitter 20 side, after inserting the plug 43 into the telephone jack 22, the handset 41 is put into an off-hook state, whereby a call request is sent from the transmitter 20 to the receiver 10 via the telephone line TL.

[0030] Step 2: Upon receiving the call request, the communication control unit 11 sounds a ringtone and notifies an operator on the receiver 10 side that a call request has been made.

[0031] Step 3: When the operator at the receiver 10 inserts the plug 33 of the maintenance telephone 30 into the telephone jack 22 of the receiver 10, the communication control unit 11 stops the ringtone. After that, the handset 31 goes off-hook, and the communication control unit 11 enables a call with the destination telephone 40.

[0032] Step 4: When the operator at the receiver 10 puts the handset 31 on-hook, the communication control unit 11 ends the call with the destination telephone 40. After that, when the operator unplugs the plug 33 of the maintenance telephone 30 from the telephone jack 22 of the receiver 10, the communication control unit 11 can sound a ringtone when it receives a call request.

[0033] 4 shows one transmitter 20, but multiple transmitters 20 may be installed depending on the size of the fire monitoring area. The operator at the scene carries the destination telephone 40 and connects the plug 43 to the telephone jack 22 at the location of the desired transmitter 20 from among the multiple transmitters, thereby enabling a call using the destination telephone 40.

[0034] On the other hand, the receiver 10 is generally installed as a single unit in a management room, etc. The maintenance telephone 30 is not used during normal monitoring and is therefore placed in a storage location, and during maintenance work, when a call request is made from the other telephone and a call needs to be made with the other telephone, the plug 33 is connected to the telephone jack 12 to enable a call using the maintenance telephone 30.

[0035] However, as explained as a problem to be solved in the present application, the trouble of connecting plug 33 to telephone jack 12 is required, and there is room for improvement in operability. Also, if plug 33 is left connected to telephone jack 12, the ringtone does not sound, and the incoming call is not notified. Therefore, a maintenance telephone according to the present disclosure, which aims to improve the operability in response to such a problem, will be described in detail with reference to Figs. 1 to 3.

[0036] Fig. 1 is an explanatory diagram of a case where a call is made with a destination telephone during maintenance work using a maintenance telephone according to the first embodiment of the present disclosure. In Fig. 1, a receiver 10, a transmitter 20, a maintenance telephone 30, and a destination telephone 40 are shown, similarly to Fig. 4 above.

[0037] Comparing FIG. 1, which shows the overall configuration of the present embodiment 1, with FIG. 4, which shows the overall configuration of a conventional system, the two are basically the same; however, the following three points related to the maintenance telephone 30 are cited as structural or functional differences.

[0038] Difference 1: The telephone body 32 of the maintenance telephone 30 is detachable from the receiver 10 and further includes a fixing magnet 34 for fixing the telephone body 32 in a desired position.

[0039] Difference 2: During maintenance work, the plug 33 is always connected to the telephone jack 12 while the maintenance telephone 30 is fixed to the receiver 10 by the fixing magnet 34.

[0040] Difference 3: When the communication control unit 11 of the receiver 10 receives a call request from the destination telephone 40 via the telephone line TL while the handset 31 is on-hook with respect to the telephone body 32 and the plug 33 is connected to the telephone jack 12, the communication control unit 11 causes a ringtone to sound, and while the ringtone is sounding, the handset 31 of the maintenance telephone 30 goes off-hook with respect to the telephone body 32, thereby stopping the ringtone and performing communication control to immediately enable a call between the maintenance telephone 30 and the destination telephone 40 via the telephone line TL.

[0041] 2 is an explanatory diagram showing an example of the arrangement of the fixing magnets 34 provided on the maintenance telephone 30 according to the first embodiment of the present disclosure. As shown in FIG. 2, the maintenance telephone 30 according to the first embodiment has the fixing magnets 34 provided on the back surface.

[0042] Therefore, the fixing magnet 34 allows the maintenance telephone 30 to be easily attached to and detached from the receiver 10. In addition, when communication is required during maintenance work, etc., the maintenance telephone 30 can be stably fixed to the receiver 10, so that good communication conditions can be maintained.

[0043] Furthermore, by virtue of these differences 1 to 3, the operator on the receiver 10 side can hear the incoming call tone even when a call request is received from the destination telephone 40 with the maintenance telephone 30 already connected, and further, by putting the handset 31 in an off-hook state with the telephone body 32, it becomes possible to quickly communicate with the destination telephone 40 via the telephone line TL.

[0044] That is, by having these differences 1 to 3, the operator on the receiver 10 side does not need to connect the plug 33 to the telephone jack 12 after the ringtone sounds, and can immediately start a good call using the fixed maintenance telephone 30. Also, it is no longer necessary to unplug the plug 33 from the telephone jack 12 after the call is ended.

[0045] 3 is a flowchart showing a series of processes when a call is made to a destination telephone 40 using the maintenance telephone 30 according to the first embodiment of the present disclosure. The flowchart in FIG. 3 collectively shows the work performed by an operator on the receiver 10 side and the communication control process performed by the communication control unit 11.

[0046] In step S301, an operator on the receiver 10 side uses the fixing magnet 34 to fix the telephone body 32 in a desired position on the receiver 10 as a preliminary preparation for making a call using the maintenance telephone 30.

[0047] Furthermore, in step S302, the operator on the receiver 10 side keeps the plug 33 provided at the end of the connection cord in a permanently connected state to the telephone jack 12 of the receiver 10.

[0048] Next, in step S303, when the communication control unit 11 receives a call request from the destination telephone 40 via the telephone line TL, it executes the communication control described as difference 3, thereby sounding an incoming call tone to notify the operator on the receiver 10 side that a call request has been made.

[0049] Next, in step S304, the operator on the receiver 10 side, who has learned of the call request from the ringtone, takes the handset 31 off-hook. When the handset 31 goes off-hook, the communication control unit 11 stops the ringtone and puts the maintenance telephone 30 and the destination telephone 40 into a connected state in which a call can be made between them via the telephone line TL.

[0050] This series of processes eliminates the need for the operator on the receiver 10 side to connect the plug 33 to the telephone jack 12 after the ringtone sounds, and enables the operator to immediately start a good conversation with the destination telephone 40 using the fixedly installed maintenance telephone 30.

[0051] As described above, the maintenance telephone according to the first embodiment has the following three features: Feature 1: The telephone body is detachable from the receiver and further includes a fixing magnet for fixing the telephone body in a desired position.

[0052] Feature 2: During maintenance work, the maintenance telephone is fixed to the receiver by a fixing magnet and is plugged and always connected to the telephone jack.

[0053] Feature 3: When the communication control unit of the receiver is in an on-hook state and the plug 33 is always connected, and receives a call request from the destination telephone via the telephone line, it sounds a ringtone, and when the handset of the maintenance telephone goes off-hook with the ringtone sounding, it stops the ringtone and performs communication control to immediately enable a call via the telephone line.

[0054] More specifically, the maintenance telephone of the present disclosure has features 1 to 3, and is fixedly installed on the receiver in a removable manner, and with the plug connected to the jack, waits for a call request from the destination telephone, sounds a ringtone when it receives a call request, and by taking the handset off-hook, it stops the ringtone and can immediately start a call with the destination telephone that sent the call request.

[0055] As a result, it is possible to realize a maintenance telephone that can improve the operability when making a call with a destination telephone without complicating the structure of the receiver housing.

[0056] Depending on the user's request, the maintenance telephone 30 can be fixed at a desired position on the receiver 10 by the fixing magnet 34 and the plug 33 can be connected to the telephone jack 12 at all times, not just during maintenance work. Also, by providing a fixing magnet for the destination telephone 40, it can be fixed at a desired position.

[0057] In addition, in FIG. 1, plugs 33 and 43 are shaped like the letter I, but by making them L-shaped, the amount of protrusion from receiver 10 is reduced, and the risk of plugs 33 and 43 being damaged by being hit against something while maintenance telephone 30 is connected to receiver 10 is reduced.

[0058] In addition, in the above-mentioned embodiment 1, the device to which the maintenance telephone 30 is connected is described as the receiver 10, and the other device to which the destination telephone 40 is connected is described as the transmitter 20, but the devices to which the maintenance telephone 30 and the destination telephone 40 are connected are not limited to this. [Explanation of symbols]

[0059] 10 receiver, 11 communication control unit, 12 telephone jack, 20 transmitter, 21 communication control unit, 22 telephone jack, 30 maintenance telephone, 31 handset, 32 telephone body, 33 plug, 34 fixing magnet, 40 destination telephone, 41 handset, 42 telephone body, 43 plug, TL telephone line.

Claims

1. A maintenance telephone that can communicate with a destination telephone connected to another device via a telephone line when connected to a telephone jack on a receiver, a handset for making the call; a telephone body provided with a hook on which the handset is set; a plug provided at the other end of a connection cord having one end connected to the telephone body, the plug being connected to the telephone jack; a communication control unit that enables a call to be made with the destination telephone set via the telephone line using the handset with the plug connected to the telephone jack; Equipped with the plug is always connected to the telephone jack; The telephone body is detachably attached to the receiver and further includes a fixing magnet for fixing the telephone body in a desired position. Maintenance telephone.

2. The communication control unit ringing a ringtone when a call request is received from the destination telephone while the handset is on-hook with respect to the telephone body and the plug is connected to the telephone jack; When the handset goes off-hook from the telephone body while the ringtone is ringing, the ringtone is stopped and a call with the destination telephone is made possible via the telephone line.

2. The maintenance telephone set according to claim 1.

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