JPS6064561A - Line display system - Google Patents

Abstract

PURPOSE:To eliminate the necessity for increasing number of operating state display lamps such as trunk line lamps even if accommodated lines are increased by providing a display section to a key telephone system. CONSTITUTION:When the user of the key telephone system KT' makes a call, a master device SW' transmits the state display signal of trunk lines CL1-CLn to the outgoing telephone system KT' through a line S1. The telephone system KT' transmits the trunk line state display signal reaching a signal reception section R by using a processor MPU to a display control section DCT to display a message displaying the operating state of the trunk lines CL1-CLn. When the user recognizes the idle state and operates the corresponding designation button, an operation signal is transmitted to the master device SW' via a signal line S2. The master device SW' supervises the arrived operation signal and connects the corresponding trunk line and the telephone system KT'.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a simple telephone switching system, and more particularly to an improvement in a line display method for displaying the usage status of a telephone line.

fbl Prior Art and Problems FIG. 1 is a diagram showing an example of a conventional line display system in this type of simple switching telephone device, and FIG. 2 is a diagram showing an example of the operating section of the telephone set in FIG. 1. In FIGS. 1 and 2, the simple exchange telephone device accommodates a plurality of telephones KT and n central office lines CLI to CLn. In addition, in FIG. 1, one telephone 11 K'
Only F is shown and the others are omitted. Each telephone IJ
IIKT corresponds to each station line CLI to CLn,
Office line buttons Kl to Kn and office line lamps 1 to Ln are provided. The main device SW is connected to each station line CL to be accommodated.
1 to CLn, and transmits a status display signal of each station line CLI to CLn to each telephone 1 (1') via the signal line S1. In the telephone KT, the processor M I) U is a signal receiving section The station line status display signal arriving at station R is transmitted to the lamp control unit LC, and the ignition status of the corresponding station line lamps Ll to Ln is controlled. For example, if it is idle, it will be turned off, if it is on a call, it will be lit, and if there is an incoming call, the number of points will be reduced by a certain amount, etc., depending on the usage state. The user of telephone KT refers to the display status of each station line lamp L1 to Ln, and when making a call, presses the station line button (for example, Kl) that corresponds to the station line lamp (for example, LL) that is out. The central office line that is in the receiving state (
For example, when responding to a station line button (for example, Cl3) that corresponds to the blinking station line lamp (for example, L2),
). The processor MI) tJ monitors the operation status of the central office line buttons 1 to Kn by the button control unit KC"F, and sends the operation status signal to the signal line S2 via the signal transmission unit S. In the main device SW monitors the operation state signal arriving from the signal line S2, and when it detects that the central office line buttons 1 to 1<n are in the operational state, it connects the corresponding central office lines CLI to CL n and calls to telephone 1 (T). line 1
' Connect with L.

As is clear from the following explanation, in a conventional line display system, each station line CLl to C accommodated in telephone 1<T is
Corresponding to Ln, station line buttons 1 to Kn and station line lamps I, 1 to 1-n were provided respectively. Therefore, as the number of accommodated station lines increases, the number of station line buttons and station line lamps must also increase proportionately, which has the disadvantage of impairing economy and operability. The object of the present invention is to eliminate the drawbacks of the conventional line display system and to realize a means that does not impair the economical efficiency and operability of the simple telephone switching device even when the number of accommodated telephone lines increases.

(dl) Structure of the Invention This object is to provide a simple switching telephone device that accommodates a plurality of telephone lines and a plurality of telephones that share one telephone line. This is achieved by automatically displaying the use status of the telephone line on the display section of the telephone when a state is reached that prompts an operation to designate the telephone line, or in response to a request to use the telephone line.

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

FIG. 3 is a diagram showing a line display system according to an embodiment of the present invention, and FIG. 4 is a diagram showing an example of the operating section of the telephone shown in FIG. 3. Note that the same reference numerals indicate the same objects throughout the plan. In Figures 3 and 4, each telephone KT' has a central office line C as shown in Figures 1 and 2.
1 to Ln on the station line lamps and 1 to Kn on the station line buttons corresponding to LI to CLn are not provided, but instead there is a display section DPY having four display areas DA to DD, and each display area. Designation buttons KA to KD for specifying 18iD 8 to DD and display section DI
A next page button KE for updating the display screen is provided. When the telephone KT' is in an idle state, the display unit DPY does not display any display regarding the central office lines CLI to CL n. When the user of 'F° makes a call to the telephone, the main unit sw' makes a call. For the telephone KT' that has detected the call, first, status display signals of the office lines CL1 to CL4 are sent to the signal line S1. In the telephone KT', the processor MPLr transmits the station line status display signal arriving at the signal receiving section R to the display control section DCT, and displays the station line status display signal from the station line CLI to C
A message indicating the usage status of L4 is displayed in display areas DA to DD. If all of the station lines CLI to CL4 are currently busy, a message indicating the busy status of the station lines is displayed in each of the display areas DA to DD. When the user who has referred to the message operates the next page button Kg, the processor MPTJ activates the button control unit KC.
The operation state of the next page button KE is monitored by T', and the operation state signal is sent to the line s2 via the signal transmitter S.

The main device sw' monitors the operation status signal arriving from the Shintanuki line s2, and when it detects that the next page button Klu has been operated, it transmits the status display signal of the station lines Cl3 to c1, 8 to the signal line s1. Send. Telephone XT'! In this case,
Broseno'JMPLl transmits the station line status display signal arriving at the signal receiving unit R to the display control unit DCT in the same way as described in 1ii7, and displays a message indicating the usage status of the station lines CL5 to CRG. It is displayed in areas DA to DD. The user learns that a message indicating that the central office line is vacant is displayed in the display area DΔ,
When you operate Δ on the designated button corresponding to display area DA,
The one processor MPLJ monitors the operating state of the designated button KA by the button controller 1 (Cl mortar) and sends the operating state signal to the signal line s2 via the signal transmitter S. The main device SW
", monitors the operation status signal arriving from the signal line s2, and when detecting that the designated button KAM has been operated, connects the office line CL5 to the telephone line TL leading to the corresponding telephone KT'.

As is clear from the explanation below, according to this embodiment, when the main device sw' detects that the telephone KT' is in the calling state, it changes the usage status of the office lines CLI to CL4 to the telephone KT.
When the user operates the next page button KE, the usage status of the station lines Cl3 to CL8 is further displayed, and by detecting the operation of the designated button KA, the station line Connect CL5 and telephone RKT'.

Note that FIGS. 3 and 4 are only one embodiment of the present invention, and for example, the state of use of the central office line CLI, etc. is based on the telephone KT°.
The display is not limited to what is displayed when the telephone KT' makes a call, but when the telephone KT' responds to the central office line CLI, etc. that is receiving a call, or the central telephone C1-1 transferred from another telephone 1JllKT'. If the user responds to
Many other modifications may be considered, such as when a predetermined operation is performed to request the display of the usage status such as L. Furthermore, the next page button KE is not limited to being operated once; as long as the next page button KE is repeatedly operated, the usage status of any number of office lines can be displayed one after another for four lines. However, even in such a case, the effects of the present invention do not change. Also, display part D
The PY is not limited to having four display areas DA to DI), and may be provided with any number of display areas; however, the effects of the present invention do not change even in such a case.

Furthermore, the means for specifying the station line displayed in the display areas DA to DD is not limited to using the specification buttons KA to KD, and for example, specifying the station line by using numeric buttons or directly on the display section DI)Y. Although many other modifications may be considered, such as specifying the display areas DA to DD, the effects of the present invention remain the same in either case. Furthermore, it goes without saying that the configuration of the telephone to which the present invention is applied is not limited to that shown in the drawings, and the telephone line accommodated is not limited to a central office line.

(``) Effects of the Invention According to the present invention, even when the number of accommodated telephone lines increases in the simple switching telephone device, the number of telephone lines whose usage status is displayed on the telephone does not increase, and the number of telephone lines displayed on the telephone does not increase. The telephone lines to be displayed can be sequentially updated by the operation of , and if the user needs to specify a telephone line, or if the user requests to display the usage status of the telephone line, etc. The usage status of the accommodated telephone line is displayed at the required time, and the economic efficiency and operability of the simple telephone exchange device are greatly improved.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an example of a conventional line display system in this type of simple switching telephone device, FIG. 2 is a diagram showing an example of the operating section of the telephone shown in FIG. 1, and FIG. FIG. 4 is a diagram showing an example of the line display system according to the embodiment. FIG. 4 is a diagram showing an example of the operating section of the telephone shown in FIG. In the figure, CLI to CL n are central lines, DA to DD
is the display area, DCT is the display control section, DPY is the display section, K1 to Kn are the station line buttons, KΔ to KD are the designated buttons, KCT and KCT' are the button control sections, KE is the next page button, KT and KT' is a telephone, Ll to Ln are office line lamps, LC is a lamp control unit, M
PU is a processor, R is a signal receiving unit, S is a signal transmitting unit,
S'l and S2 are signal lines, SW and sw' are main devices, TEL is a telephone circuit, and TL is a telephone line. 1st work 2 diagram 3 circle diagram 4

Claims (1)

[Claims] In a simple exchange telephone device that accommodates a plurality of telephone lines and a plurality of telephones that share the telephone line, the telephone is provided with a display section, and the telephone is arranged to prompt a user of the telephone to specify the telephone line. A line display method characterized in that the usage status of the telephone line is automatically displayed on the display section of the telephone when the telephone line is reached or in response to a request from the user.