JPH0215797A - Plural main wire accessing type telephone system - Google Patents

Abstract

PURPOSE:To miniaturize the title system by replacing a trunk line number selected at the time of originating a line wire call with the numeral keys of a dial key means and, at the same time, displaying the numeral keys by means of an indicating means such as an LED. CONSTITUTION:When a line wire button 33 is operated on a key telephone system 30 at the time of originating a call, the displaying operation of the 2nd displaying means (LED element 34) is controlled by means of the 1st display controlling means and the line wire button 33 corresponding to the 2nd displaying means lights. In addition, the 2nd display controlling means causes the 1st displaying means (LED element 36) to light for displaying the numerals of the relevant line wire number by means of the numeral keys of a dial ten keys 31. When an incoming call arrives through the line wire, the 2nd display controlling means causes the 1st displaying means to light for displaying the relevant line wire number by means of the numeral keys of the dial ten keys 31. Therefore, the line wire number selected at the time of originating a line wire call is replaced with the numeral keys of the dial ten keys 31 and, at the same time, the used line wire is displayed by the numeral keys of the dial ten keys 31 displayed by means of the 1st displaying means.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a multi-office line access type telephone system, for example, a telephone system accommodating a multi-office line such as a Pokun telephone.

[Conventional technology]

Generally, in the case of a multi-station line access telephone, the station! fA
A selection button is provided, and by pressing the selection button, outside calls can be made and received. However, having many function buttons of this type is inconvenient from the standpoint of miniaturizing the telephone stage.

Figure 6 shows the conventional multi-station line AC-T! This figure shows the main telephone system configuration. Here, it is assumed that eight central office lines l to 8 are drawn in from the outside line, and via the main device 20, the button telephone stage Δ101 of the -Thursday system, the button telephone BIOB
,... are connected by a cable.

Each button telephone set 10 (button telephone directory Al0A, button telephone group BIOR, . . . ) is connected via a connector 12 (connector 12A, connector 12, l, . . . ).

Each button telephone 10 has a station line selection button 111 for selecting station lines 1 to 8, a dial numeric keypad 13 for number selection station. Telephone circuit that controls sending and receiving calls 15. Use stations to display station lines! L provided corresponding to each of fA1 to fA8
It includes an ED element 17 (LED elements 17. to 17a) and a buzzer 19 that generates a ring tone. Furthermore, this L
The ED element I7 may be any light emitting element such as a lamp, and the buzzer 19 may be a speaker, bell, or other device that generates sound.

FIG. 7 and FIG. 8 show time charts of control signals at the time of outgoing call and the time of incoming call. Below, based on Figures 6 to 8, the operating procedure and signal flow when making/receiving outside calls of the button telephone Al0A, and the button telephone 1 in the same system.
The signal flow in B10R will be explained.

(a) External line transmission The operation when making a call on the central office line 8 will be explained with reference to FIGS. 6 and 7.

After the off-footer, press the office line selection button 11 of the button telephone 10a. When you press "8" on the button telephone A I
A station line MtR signal Sl (indicated by ■ in FIG. 6) is sent from the OA. Office line circuit 21 of main device 20. receives this central line selection signal Sl (■) and sends the outside line 8 calling signal S.
2 (indicated by ■) is sent to the telephone 30. In addition,
The office line circuit 21 is provided corresponding to each office line, and here there are office line circuits 21□ to 21e.

Further, at this time, a station line 8 LED lighting signal S3 (indicated by ■) is sent from the station line circuit 218 in the main device 20, and is supplied to the station line 8 LED control circuit 258 via the common control circuit 23. This central office line 8■, ED control circuit 258 is connected to the LED element 178A of the key telephone A10A and the LED element 17 of the other key telephone BtOB in the same system.
Turn on the oll. These LIED elements 17ea,
By lighting up at 17aII and displaying "'8゛°," it is shown that an outside call has been made on the central office line 8.

After that, a number is pressed using the dial numeric keypad 13A, and a dial signal S4 (■) indicating the dialed number is generated.
occurs. Subsequently, the call begins when the other party (not shown) goes off-hook.

(b) Receipt of outside line The operation when there is a second call on the central office line 1 will be explained with reference to FIGS. 6 and 8.

External call incoming signal S from the telephone network (indicated by ■ in Figure 6)
When the station line circuit 211 detects this, it is transmitted to the station via the common control circuit 23! The AILED lighting signal S6 (indicated by ■) is sent to the station line ILED control circuit 25. Send to. This station line ILED control circuit 25. is the LED element 17. of the button telephone Al0A. LED elements 171.A and other key telephones BIOB in the same system. lights up. By lighting up both I, E, and D elements 17, ^, 17+i, the office line "B'" is displayed on the double-button telephone 10, . . . log, indicating that an incoming call has been received on the office line 1.

In addition, the station line circuit 21+ receives the buzzer sound signal S? (indicated by ■) to the ring tone control circuit 27 via the common control circuit 23.
Send to. This ringtone control circuit 27 causes the buzzer 19A of the key telephone A10A and the buzzer 19B of the other key telephone aB10u in the same system to ring, and
Ei? (, notifies the presence of T.

Next, select the station line “′1”° on the station line selection button 111.
When the button is pressed, an outside line call signal Sa (indicated by ■) is sent out. Office line circuit 2] 1 connects to an outside line and makes multiple calls while off-hook.

[Problem to be solved by the invention]

By the way, in the above-mentioned conventional multi-office line access telephone system, when making two calls to and from an outside line, the corresponding office line is selected using the office line selection button 11. In the case of making a call, after selecting the office line using the office line selection button 11, the user presses the dial numeric keypad 13 to make an outside line call. Furthermore, an LED element 17 was provided even in the outside line display used.

Therefore, the number of buttons and display elements increases in accordance with the number of central office lines to be consolidated, resulting in a problem that the telephone becomes larger.

The present invention was created in view of these points, and an object of the present invention is to provide a compact multi-office line access type telephone system.

[Means for Solving the Problems] The first part is a configuration diagram of a multi-office line access type telephone system of the present invention.

In the figure, the dial key means generates a dial number when making a call, and has a plurality of numeric keys.

The first display means is made up of a plurality of elements so as to correspond to desired numerical keys of the dial key means, and is provided to display the corresponding numerical keys.

The outside line button is operated when using an outside line.

The second display means corresponds to the outside line button and is provided to display it.

The first display control means causes the second display means to perform a display operation in response to the outside line transmission.

The second display control means controls the first display means to display, in response to outgoing/receiving calls, the numbers of the corresponding office line on the first display means using the numeric keys of the dial key means.

Therefore, the central office line number to be selected when making an outside line is substituted by the numeric keys of the dial key means, and the numeric keys of the dial key means are displayed on the first display means to display the outside line in use. It is configured to do the following.

[For production]

When making a call, when the outside line button is operated, the display operation of the second display means is controlled by the first display control means, and the second display control means controls the display operation of the second display means.
An outside line button corresponding to the display means is displayed. Further, the second display control means causes the first display means to display the number of the corresponding office line using the number keys of the dial key means.

When an outside line call is received, the second display control means displays the number of the corresponding central office line using the number keys of the dial key means.
It is displayed on the first display means. [Example] Hereinafter, an example of the present invention will be described in detail based on the drawings.

FIG. 2 shows the configuration of a multi-office line access type telephone system and the flow of signals in the case of making an outside call in one embodiment of the present invention.

FIG. 3 shows the order of operations when making an outside line call in the multi-office line access type telephone system of this embodiment.

Figure 4 shows multiple stations in one embodiment of the present invention! ! S) The configuration of the access type telephone system and the signal flow in the case of receiving an outside call are shown.

FIG. 5 shows the sequence of operations when an outside call is received in the multi-office line access telephone system of this embodiment.

Relationship between 1,' and 1 Here, the correspondence between the embodiment of the present invention and FIG. 1 will be shown.

The dial key means corresponds to the dial numeric keypad 31 of the button telephone 30, FI].

The first display means corresponds to the dial key LED element 36 of the button telephone a30.

The outside line button corresponds to the outside line button 33 of the key telephone 30.

The second display means is an outside line button LED of the button telephone 30.
This corresponds to element 34.

The first display control means corresponds to the LED lighting selection circuit 35 of the button telephone [30] and the outside line button LED control circuit 45 of the main device 40.

The first display control <111 means is the LE of the button telephone 30.
D lighting selection circuit 35 and main device 40 dial numeric keypad ILED control circuit 51+ to dial numeric keypad 8 LE
This corresponds to the D control circuit 518.

Examples of the present invention will be described below assuming that the correspondence relationship as described above exists.

1-"口■hatλ匪戊In FIGS. 2 and 4, in this multi-office line access telephone system, eight central office lines 1 are connected to the outside line, similar to the conventional example shown in FIG. -8 is assumed to be drawn in. These office lines 1 to 8 are connected to the key telephone A30A and key telephone 83 of this system via the main device 40.
It is connected to 0B, . . . by a gable. Each button telephone 30 (button telephone A30A, button telephone B30, . . . ) has a connector 32 (
They are connected via 32 connectors, connectors 32B, . . . ) so as to correspond to each other.

(One-button old tongue; Each button telephone 30 has a dial numeric keypad 31 that includes multiple keys for selecting central lines 1 to 8 and numbers 0 to 9 for number selection. The outside line button 33 that is pressed when in use, the outside line button LED element 34 that is integrally formed to display the outside line button 33 by lighting from the back, and the numbers on the dial numeric keypad 31 (
Here, since there are office lines 1 to 8, only 1 to 8), the dial ten is integrally formed so that one corresponding number (1 to 8) is lit from the back and displayed. LED
element 36, an LED lighting selection circuit 35 that controls the lighting operation of each LED element for the numbers (1 to 8) in the outside line button LED element 34 and the dial numeric keypad LED element 36, and the button telephone shell 3 (H). The telephone includes a telephone circuit 37 that controls sending and receiving calls, and a buzzer 39 that generates a ring tone.

Note that each of the outside line button LED element 34 and the dial numeric keypad LED element 36 may be composed of a light emitting element such as a lamp, and the three buzzers may be of any type that generates sound, such as a speaker or a bell.

The main device 40 included in this multi-office line access type telephone system includes a central office line detection circuit 41 that detects which of central office lines 1 to 8 is used when making and receiving outside calls, and A common control circuit 43 that commonly controls operations when a call is received, and L of the button telephone 30.
External button LED control circuit 4 that controls the display of the ED element
5, and the station that selects the appropriate station and line when making and receiving outside calls! f
! A selection circuit 47 and eight station line circuits 49 (station line circuit 49. to station line circuit 498) provided corresponding to each station line.
) and L on the dial numeric keypad on the button telephone 3o.
Dial numeric keypad to control ED display 1. LED control circuit 51. ~Dial numeric keypad 8 LED control circuit 51
8, and a ringtone control circuit 53 that generates a buzzer sound for the key telephone 30 when borrowing an advance.

FIG. 3 shows the sequence of operations when making an outside line call in the multi-office line access telephone system according to the embodiment of the present invention. Further, FIG. 5 shows the operation when an outside line call is received in the multi-office line access type telephone system of this embodiment.

In this embodiment, in an 8-line access key telephone system, for example, select "8°°" with the dial numeric keypad 3J to make an outside call, and select "1°" with the dial numeric keypad 31 to use the incoming call. This is an operation to do.

In the following, cases of outgoing call and incoming call will be explained separately.

UNI 1Nuj'JL1 Piece Referring to Figures 2 and 3, button telephone A30A
The operating procedure and signal flow when making an outside line call as well as the signal flow of another key telephone J-B50B in the same system will be explained.

First, when the outside line button 33A of the button telephone mA 30A is pressed after going off-hook, an outside line signal St (indicated by ■ in FIG. 2) is sent from the button telephone Δ30A. The office line detection circuit 41 of the main device 40 that receives this outside line signal S (■) detects that it is an outside line call, and outputs an outside line button LED lighting signal S2 (indicated by ■).
External line button LED control circuit 4 via common control circuit 43
Supply to 5.

This outside line button LEDili control circuit 45 supplies an outside line button LED lighting signal S2 to the LED lighting selection circuit 35A of the button telephone A 30A. 1. E
The D lighting selection circuit 35A is an external line button L E D element 3.
Turn on 4A. This external line button L E D element 34
The lighting of A indicates that an outside call is being made.

Next, in the button telephone 5i30A, by pressing the number key "8" of the dial numeric keypad 31A, an outside line 8 call signal S3 (indicated by ■) is sent out. The office line selection circuit 47 in the main device 40 that receives this outside line 8 calling signal S3 (■) selects the outside line 8 calling signal S3 (■) according to the outside line 8 calling signal S3.
Select. Thereafter, the outside line 8 calling signal S3 is sent out to the telephone network via the central office line circuit 498.

Also, the station line selection circuit 47 selects tJ? The station line circuit 498 outputs the dial numeric keypad 8 LED display signal S4.
(indicated by ■) is supplied to the dial numeric keypad-8 LED control circuit 518 via the common control circuit 43. This dial numeric keypad-8 LED control circuit 518 is a button telephone A.
30A LED lighting selection circuit 35. and LED lighting selection circuit 3 of other button telephones 830B in the same system
5. A dial numeric keypad 8 LED display signal S4 is supplied to each of them. These LED lighting selection circuit 35° and LED lighting selection circuit 35 [l are dial numeric keypad LED element 36A and dial numeric keypad LED element 3
61. lights up. However, since the call is currently being made on the central office line 8, by detecting that central office line, the dial numeric keypad L
In the E D element 36A and LJ6B, the dial numeric keys 31A and 31. Only the LED element corresponding to the numeric key "8" included in the number key "8" lights up. As a result, on the dial numeric keypad 31, II 8 I
Since I lights up, it is displayed that there is an outside line call on the central office line 8.

After the central office line has been selected in this manner, a dial number is selected by pressing the number key on the dial tincture 31A. The dial signal S5 (indicated by ■) selected by pressing the button is sent out to the telephone network. Next, the conversation begins with an off-footer from the other party (not shown).

A1 Yufu■[il 謹Referring to Figures 4 and 5, button telephone A30A
The operating procedure and signal flow when receiving an outside line call, as well as the signal flow of another key telephone 830H in the same system will be explained.

The outside line incoming signal S6 (indicated by ■) from the telephone network is sent to the central office line circuit 49 of the main device 40. When detected by the dial numeric keypad, the LED display signal S7 (indicated by ■) is sent to the dial numeric keypad IL E D
l+ control circuit 51. supply to. This dial numeric keypad-8
LED control circuit 51. is LE of button telephone A30A
D lighting selection circuit 35A and LED lighting selection circuit 35 of other button telephone 830B in the same system. A dial numeric keypad 1 LED display signal S is commonly supplied to the dial numeric keys 1 and 1.

These LED lighting selection circuit 35A and LED lighting selection circuit 35. is dial numeric keypad LED element 36A
and dial numeric keypad LED element 36 [l]. However, since the call is currently being received on the central office line 1, the dial numeric keypad LED elements 36A and 3 are activated by the central office line detection.
In 6Il, dial numeric keypad 31A and 3i
LED corresponding to number key ``°1°'' included in B
Only the element lights up. As a result, "1" lights up on the dial numeric keypad 31, indicating that an outside call has been received on the central office line 1.

“ on dial numeric keys 3IA and 318 like this
1'' LED element is turned on, a buzzer ringing signal Sfl (indicated by ■) is sent from the common control circuit 43 in the main device 40, and is supplied to the ring tone control circuit 53.This ring tone control circuit 53 Buzzer 39A of button telephone A 3 OA and other button telephone B30 in the same system
．． The buzzer 398 sounds. As a result, it is notified that an external line is in advance.

Next, dial numeric keypad 31. numeric key '“1°
” is pressed, an outside line 1 calling signal S9 (indicated by ■) is sent, and an outside line connection is established at the central office line circuit 49. When the called party goes off-hook at the button telephone [130A], the call begins.

In this way, in the embodiment of the present invention, the button telephone 30 is provided with an outside line button 33, and when making an outside line call, after pressing the outside line button 33, press the dial numeric keypad 31 to press 8''°. Press to select the office line, make an outside call, and display the office line in use.Next, by displaying '8°' on the dial numeric keypad 31 of the other button telephone 30 on the LED,
Information on external lines that have been KIJMed will be notified.

In addition, when receiving an outside call, the system charge button telephone 30
``1°'' on the dial numeric keypad is displayed on the LED and the buzzer sounds to notify that an outside call has arrived.

In this way, in this embodiment, eight-station line access is possible.

In addition, in "1. Correspondence between Examples and FIG. 1",
Although the correspondence between the above-mentioned embodiments and the present invention has been described, those skilled in the art can easily imagine that the present invention is not limited thereto and that there are various modifications.

〔Effect of the invention〕

As described above, according to the present invention, the central office line number to be selected when making an outside call is replaced with the numeric keys of the dial key means, and the numeric keys of the dial key means are replaced with the first display means such as an LED. The multi-office line access type telephone system can be made smaller.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of a multi-office line access type telephone system according to the present invention; FIG. 2 is an explanatory diagram showing the structure of a multi-office line access type telephone system according to an embodiment of the present invention and the operation when making an outside call; FIG. 3 is an explanatory diagram of the operation of a multi-office line access type telephone system according to an embodiment of the present invention when making an outside line call, and FIG. 4 is a diagram showing the configuration of the multi-office line access type telephone system according to an embodiment of the present invention and when receiving an outside line call. FIG. 5 is an explanatory diagram showing the operation of a multi-office line access type telephone system according to an embodiment of the present invention when an outside call is received; FIG. 6 is a diagram explaining the operation of a multi-office line access type telephone system according to a conventional example FIG. 7 is an explanatory diagram of the operation when making an outside line call in a conventional multi-office line access telephone system, and FIG. 8 is an explanatory diagram of the operation when an outside line call is received in the conventional multi-office line access telephone system. . In the episode, 10.30 is a button telephone, ① is a central line selection button, 2.32 is a connector, 3.31 is a Guillarden;) - 5.37 is a telephone circuit, 7 is a 1. ED element, 939 is buzzer 0, /10 is main device, 49 is station line circuit, 3.43 is common control circuit, 51 is station line ILED control circuit, 5 II is station line 8 L E D ili' control circuit, 7
．． 53 is a ring tone control circuit, 3 is an outside line button, 4 is an outside line button LED element, 5 is an LED lighting selection circuit, 6 is a dial numeric keypad LED element, l is a central office line detection circuit, 5 is an outside line button LED control circuit, 7 is an outside line button LED control circuit. Office line selection circuit, 11 is dial numeric keypad IL E D 1lill i
Wholesale circuit, dial numeric keypad 8. LED system i11 circuit diagram

Claims (1)

[Claims] (1) It generates a dial number when making a call, and consists of a dial key means having a plurality of numeric keys, and a plurality of elements corresponding to desired numeric keys of the dial key means, and the corresponding elements. A first display means provided to display numeric keys, an outside line button operated when using an outside line, and a second display corresponding to the outside line button and provided to display it. means, a first display control means for causing the second display means to perform a display operation in response to an outside line call;
A multi-office line access telephone system comprising: second display control means for controlling the display on the first display means by the number keys of the dial key means.