JPS5811108Y2 - busy confirmation device - Google Patents

Description

[Detailed description of the invention] The present invention relates to a device for checking whether or not a telephone line is busy during construction or testing of telephone lines.
This device incorporates two light emitting diodes and an earphone connection terminal.

If construction, testing, or inspection of telephone lines is carried out while the telephone in question is busy, the call will be interrupted, which is undesirable.

Hitherto, various methods have been used to check whether a call is busy during telephone line construction, etc., but such devices are complicated and inconvenient to carry, and there is still no suitable device.

This invention is a method in which a conductor piece is inserted into the contact point of a telephone lightning arrester, etc., and if the light emitting diode emits light, it is confirmed that the line is busy, and if it does not emit light, it is confirmed that the line is not busy. Light emitting diodes of different colors are connected in parallel with different directions, making it possible to check whether the communication line is incoming or outgoing. Moreover, the conductor pieces, light emitting diodes, earphone connection terminals, etc. are grouped together on an insulating base, making it easy to use and carry.

An embodiment of the present invention will be described below with reference to the drawings.

In Figures 1 to 4, 1 is the first half of the insulating base, 2 is the second half of the insulating base, and both halves 1 and 2 have screw holes and are joined together by screw 8. It is now possible to merge them.

3 is a first conductor piece, 4 is a second conductor piece, and the side conductor pieces 3 and 4 are mechanically assembled between the two halves 1 and 2, and the side conductor pieces 3 and 4 are mechanically assembled between the two halves 1 and 2.
Tip portions 5 and 6 protrude from the side conductor pieces 3 and 2, and an insulator 7 is sandwiched between the side conductor pieces 3 and 4, so that they are electrically insulated from each other.

A first light emitting diode 9 emits blue light and is electrically connected between the first conductor piece 3 and the second conductor piece 4.

Further, 10 is a second light emitting diode that emits red light, and is electrically connected between the first conductor piece 3 and the second conductor piece 4.

As shown in FIG. 3, the second light emitting diode 10 is connected to have a different electrical direction (polarity) from the first light emitting diode 9, that is, the polarity is opposite to the first light emitting diode 9. There is.

Reference numeral 11 denotes a 100 ohm electrical resistor, which is electrically connected between the side conductor pieces 3 and 4 so as to be parallel to both the light emitting diodes 9 and 10.

12 and 13 are a first opening and a second opening provided in the first half body 1, and as shown in FIG. A first light-emitting diode 9 is placed at the first opening 12, a second light-emitting diode 10 is placed at the second opening 13, and furthermore, the first The opening 12 has a first plate made of blue translucent synthetic resin.
A colored cover 14 is fitted, and similarly, a second colored cover 15 made of red translucent synthetic resin is fitted into the second opening 13.

Next, as shown in Figure 5, the lineup of telephone lightning arresters is as follows:
The first elastic piece 16 and the second elastic piece 17 are fixedly installed with an insulator 18 interposed therebetween, and are always in elastic contact at the contact contact portion 19.

That is, when the telephone is busy, both elastic pieces 16 and 1
7 are electrically connected in series and current flows through them, but no current flows when they are not busy.

It also has an earphone connection terminal 20 that is electrically connected to the first conductor piece 3 and the second conductor piece 4 and provided on one side of the insulating substrate, as shown in FIG. 22 earphone terminals 21 can be inserted into the earphone connection terminal 20 from the outside.

Therefore, in order to use the busy confirmation device shown in FIG. 1, as shown in FIG.
It may be inserted between the contact points 19 described in connection with FIG.

Then, the first elastic piece 16 and the second elastic piece 17 of the contact point are elastically separated, but the first elastic piece 16 is separated from the first conductor piece 3.
Since the second elastic piece 17 is in contact with the second conductor piece 4, as is clear from the wiring diagram of FIG. The light emitting diode 10 and the electrical resistor 11 are connected to each other, so that they are not electrically separated.

Therefore, if the telephone is busy, either the light emitting diodes 9 or 10 will emit light; if the telephone is not busy, neither of them will emit light.

Furthermore, when a call is in progress, only the first light emitting diode 9 emits blue light when the arrangement shown in Fig. 3 is used as shown in Fig. 6. If so, only the second light emitting diode 10 emits red light, so it can be determined whether the communication line is an incoming call or an outgoing call.

In addition, if the earphone terminal 21 of the earphone 22 is inserted into the earphone connection terminal 20, when the phone is busy, the earphone 22 is energized and makes a sound, and when the phone is not busy, it does not make a sound. You can also check whether the call is busy or not.

When this detection is completed and it is no longer needed, simply pull it out from the contact point, and the elastic pieces 16 and 17 will instantly return to their original state due to their elasticity, returning to the state shown in FIG.

Note that when inserting the tips 5 and 6 of the aforementioned side conductor pieces 3 and 4 into the contact contact part 19, the first elastic piece 16 has already been attached to the first conductor piece 3 before the contact contact part 19 is separated. Second elastic piece 1
7 is in contact with the second conductor piece 4, even if the telephone is busy, the connection will not be interrupted by its insertion.

Therefore, the present invention has a structure that is mechanically incorporated between a first half of an insulating base and a second half of an insulating base, with a tip protruding from both halves, and an insulating material sandwiched between them. a first light emitting diode comprising a first conductor piece and a second conductor piece electrically insulated from each other and electrically connected between the first conductor piece and the second conductor piece; a second light emitting diode electrically connected between the first conductor piece and the second conductor piece with electrical directionality different from that of the first light emitting diode; It consists of one light-emitting diode and one that emits light in different colors, and furthermore,
Both of the light emitting diodes are installed in openings provided in the insulating base so that their respective emitted light colors can be identified from the outside, so the necessary components are integrated into one, making it easy to use and carry. Not only is it convenient to use the light emitting diode to clearly determine whether or not the line under test is busy, but if it is busy, it can be determined whether the line is incoming or outgoing. They can also be identified by their emitted color.

Further, an earphone connection terminal electrically connected to the first conductor piece and the second conductor piece and provided on one side of the insulating substrate, and an earphone into which the earphone terminal can be inserted into the connection terminal. By inserting the earphone terminal of this earphone into the earphone connection terminal, it is possible to use the earphone to confirm whether or not the telephone is busy, and it can be used in conjunction with the diode. Not only can this detection be performed reliably, but depending on the situation, by relying on the earphones to confirm whether or not a call is being made, the work tool can direct its attention to other tasks.

Furthermore, the present invention has extremely great effects, such as being simple to use and having no adverse effect on communication lines.

[Brief explanation of drawings]

Fig. 1 is a front view of one embodiment of the present invention, Fig. 2 is a plan view of Fig. 1, Fig. 3 is its wiring diagram, and Fig. 4 is taken along the cutting line ■v-■v in Fig. 2. FIG. 5 is an explanatory diagram of the contact points of the lightning arrester array, and FIG. 6 is an explanatory diagram of the action. 1...First half, 2...Second half, 3
....First conductor piece, 4...Second conductor piece,
5, 6...Tip, 7...Insulator, 8
...screw, 9...first light emitting diode, 10...second light emitting diode, 11...
...Electric resistor, 12...First opening, 13.
...Second opening, 14...First colored cover, 15...Second colored cover, 16...
・First elastic piece, 17...Second elastic piece, 18...
...Insulator, 19...Contact contact part, 20.
... Earphone connection terminal, 21 ... Earphone terminal, 22 ... Earphone.

Claims (1)

[Scope of utility model registration request] Mechanically assembled between the first half of the insulating base and the second half of the insulating base, with the tips protruding from the two halves and with an insulating material sandwiched between them, they are electrically insulated from each other. a first conductor piece and a second conductor piece;
an earphone connection terminal provided on one side of the insulating substrate and electrically connected to the conductor piece; an earphone into which the earphone terminal can be inserted; and the first conductor piece and the second conductor. a first light emitting diode electrically connected between the first conductor piece and the second conductor piece, and the first light emitting diode having different electrical directionality; and a second light emitting diode, the second light emitting diode having a different luminescent color from the first light emitting diode; A busy confirmation device installed in an opening provided in the insulating base.