JPH04158696A - Pushbutton telephone set - Google Patents

Abstract

PURPOSE:To relax a limit of number of special terminal equipments to be connected by connecting plural special terminal equipments to the telephone set, allowing data transmission by polling, adding an address to the data and sending a simultaneous data to the special terminal equipments. CONSTITUTION:Plural special terminal equipments 103-n03 are branched to one of communication lines 4-1-4-n leading to each of pushbutton telephone sets 2-1-2-m and data is transferred simultaneously to all special terminal equipments by using an address preset by a pushbutton telephone set. Then data transmission enable is implemented by polling and a data from each special terminal equipment is stored to a data storage means 22 built in the pushbutton telephone set. Thus, plural special terminal equipments are connected more to the pushbutton telephone set and the communication of data between a master set and the special terminal equipment is implemented more smoothly without giving effect onto the communication of the pushbutton telephone set.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a button telephone device.

[Conventional technology]

Conventional button telephone devices have a structure in which each button telephone has multiple connectors, one special terminal is connected to each connector, and data from each special terminal is randomly transmitted to the button telephone. (Problems to be Solved by the Invention) The conventional button telephone device described above has a plurality of connectors on the button telephone, one special terminal is connected to each connector, and data is randomly transmitted from each special terminal to the button telephone. Since the configuration is such that the button telephone has a connector for the number of special terminals that can be connected to the button telephone, the number of special terminals that can be connected to the button telephone is limited due to the mounting area of the connector. In addition, data communication has the disadvantage that the software of the button telephone corresponds to each special terminal side, so the load of data transmission and reception increases as the number of connected special terminals increases. The disadvantage is that the number of special terminals that can be connected to the telephone is limited.

[Means to solve the problem]

The button telephone device of the present invention includes a main device that accommodates a plurality of button telephones, wherein each of the plurality of button telephones is connected in advance to each other via a single communication line in a multi-line telephone system. a connection means for connecting a plurality of special terminals each having an atsis; and a connection means for connecting a plurality of special terminals having an atsis, and transmitting an address and a data transmission permission signal of each of the plurality of special terminals to the communication line at a predetermined period, and the address and data transmission permission signal. a data transmitting/receiving means for receiving data from a special terminal that matches the sending address immediately after sending, a data storing means for storing data received by the data transmitting/receiving means, and adding a common address to the plurality of special terminals. simultaneous data transmission means for transmitting the data all at once to the plurality of special terminals; and when there is no data generated inside each of the plurality of key telephones, the data accumulated in the data storage means is transferred to the main device. The main device has a data transfer means for receiving and accumulating data transferred from each of the plurality of button telephones, and a special terminal connected to each of the plurality of button telephones. address storage means that stores the addresses of the plurality of buttons corresponding to the filling machine, and the address of the destination special terminal is added by referring to the attos storage means, and the destination special terminal is connected. and data transmitting means for transmitting data to the button telephone.

1' Example] Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention.

In FIG. 1, the button telephone device of this embodiment is a main device 1.
and multiple button telephones (hereinafter referred to as B position) 2-1 to 2
-n.

The main device 1 includes a button telephone interface unit (hereinafter referred to as BINF) 14 that interfaces with the BTE L 2-1 to 2-n to transmit and receive data, and a B place 2-1.
A storage unit (hereinafter referred to as ME) 12 that stores data transferred from B locations 2-1 to 2-n, an ME 13 that stores unique information regarding each of the B locations 2-1 to 2-n, and the entire main device 1. A central control unit (hereinafter referred to as CPU) which controls the main unit 1 and a central control unit (hereinafter referred to as CPU) 1, and a B location 2-1 is an interface unit (hereinafter referred to as IN) which interfaces with the main device 1 and transmits and receives data.
103-1..10:3-
Communication time of 1 line where 2 is connected by multi-drop method! A terminal interface unit (hereinafter referred to as TINF) 24 that interfaces with I4-1 to transmit and receive data;
Data and TE sent to TE103-1.101-2
ME2 that accumulates data from 103-1 and 103-2
2 and a CPU 21 that controls the entire B location 2-1. B-place 2-0 has the same configuration as B-place 2-1, and each TEn03 has its own address.
-1 and n03-2 are connected to one communication line 4-n which is connected in a multi-drop manner.

Next, the operation of this embodiment will be explained.

TE103-1, 103-2~rx03-1゜n03-
2 is a unique address, for example, 1,031.1
032. ~n031. n032 and a common address for simultaneous data reception, for example 1000.

TEloB-], BT2-1 with address u03], 1032, ME1, 3 of main device 1, 10
3-2, and BT2-n has address n031. ,
TEn03-1 with n032. It is assumed that it is stored in advance that n032 is accommodated.

First, we will explain the case of transmitting data from the main device 1 to a specific TE.6 If data to be sent to TE103-1 is stored in ME12 of the main device 1, for example, CPtJ 1.1 refers to ME13. BT connected to TEloB-1
When it is found that it is BTE L2-1, B
M to BT E L 2-1 via T I NF 14
Data from El2 to address 10 of TE 103-1
31 is added and sent.

BT2-1 receives data from main device 1 via lNF23, stores it in ME22, and sends it to ME22 via TlNF24.
The data accumulated in E22 is sent to the communication line 4-1 with address 103] added thereto.

Address 103 sent via communication line 4-1
Place 03-1 having an address matching 1 receives the transmitted data. The other TEs 103-2 do not receive the data because the addresses do not match.

If there is data to be sent from the main device 1 to all TEs, if you add - common address for simultaneous command] 000 to the data and send it to BT2-1 to BT2-n, BT2-1.2
-n adds a common address 1000 to the data and sends it to the communication lines 4-1 to 4-11A.
103-1°103-2~n03-1. It is possible to cause n03-2 to receive data.

Next, the case where data is transmitted from the TE to the main device 1 will be explained.

When there is no data generated within the BTE L 2-1, for example, dial data for making a call, the CPU 21 of the BTI-1 first transmits the address 1031 and data at a predetermined cycle generated by the clock circuit within the CPU 21. A permission signal is sent to the communication line 4-1 via the TlNF24. Since the addresses sent via communication line 4-1 match, station 03-1 receives the data transmission permission signal, and
If there is data to be transmitted, a data transmission request signal is sent to the communication line 4-1, and then the data is sent.

If the CPU 21 does not receive a data transmission request signal in response to address 1031, it transmits the next address 1032 and a data transmission permission signal in the same manner as described above. Thereafter, BT2-n is also transmitted using the same procedure as described above.

For example, if the CPU 21 receives a data transmission request signal from the TE 103-1, the CPU 21 receives the data transmission request signal from the TE 103-1.
3] is added, the received data is stored in ME22, and BT2
-1, when there is no data transmission to main device 1, M
The data of E22 is transmitted to the main device 1 via INF23.

BT2-n also performs the same operation as BT2-].

〔Effect of the invention〕

As explained above, the present invention connects a plurality of special terminals at branches to one communication line from each button telephone,
By simultaneously transferring data from the button telephone to all special terminals using a preset address, permitting data transmission by polling, and storing data from each special terminal in the data storage means built into the button telephone, the button It is possible to connect more multiple special terminals to the telephone than before, and data exchange between the main device and the special terminals can be carried out more smoothly than before without affecting the communication of the button telephone itself. effective.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention. 1. Lee device, 2-1 to 2-n... Hotan telephone (BT
g:l-), 4-1 to 4-n-=communication line, 11.
Central control unit (cPtJ), 12.13... Storage unit (M
E), 14... Hotan telephone interface section (BT
INF), 21... Central control unit (CPtJ), 22.
...Memory section (ME), 23...Interface section (I
NF), 24...terminal interface section <TINF),
103-ko, 1 03-2.
~ no 3-1, n03-2---Special terminal (T
E>.

Claims (1)

[Claims] In a button telephone device comprising a main device accommodating a plurality of button telephones, each of the plurality of button telephones has one
a connection means for connecting a plurality of special terminals each having a predetermined address via a communication line of a line, and a connection means for connecting a plurality of special terminals each having a predetermined address through a communication line of a line; data transmitting/receiving means for receiving data from a special terminal that is periodically sent to the communication line and matching the sending address immediately after sending the address and the data transmission permission signal; and data for accumulating the data received by the data transmitting/receiving means. storage means; simultaneous data transmission means for adding a common address to the plurality of special terminals and transmitting the data all at once to the plurality of special terminals; and when there is no data generated within each of the plurality of key telephones. and data transfer means for transferring the data accumulated in the data accumulation means to the main device,
The main device includes a transfer data storage means for receiving and accumulating data transferred from each of the plurality of button telephones, and a transfer data storage means for receiving and accumulating data transferred from each of the plurality of button telephones, and an address corresponding to each of the special terminals connected to each of the plurality of button telephones. an address storage means stored in the address storage means; and a data transmission means for referring to the address storage means, adding an address of a destination special terminal, and transmitting data to a button telephone to which the destination special terminal is connected. A button telephone device comprising: