JPS6121661A - Telephone transfer device - Google Patents

Abstract

PURPOSE:To attain miniaturization and free design of external appearance by incorporating only a required member for an incoming telephone set and an outgoing telephone set in the titled device. CONSTITUTION:When a slide switch 7 is thrown to the position of automatic telephone transfer mode and a call is fed from a caller telephone set to a telephone line 12, an incoming call is detected by an incoming detection section 16. Then a telephone number of a transfer destination registered in a storage section 33 is read in advance by a central processing section 31 and a P.B tone is outputted from a P.B tone generator 30. Then a transfer destination telephone set E is called and when it is detected by an incoming detection section 16, lines are connected in two-way to attain the talking of the both. When a main body 1 is used as a telephone set, the slide switch 7 is thrown to the telephone set mode. When a call is fed from the caller telephone set A via a telephone line 12, the incoming call is detected by the incoming detection section 16, a call tone rings by an incoming tone generating circuit 37 and the response to the other party is attained similarly as a conventional telephone set by selecting a trunk line selection button 10 for the line 12 and hooking off a handset 6.

Description

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

(Prior Art) A telephone transfer device is known that can automatically transfer incoming calls from an absent office to a home office or the like.

The outline of the device will be explained with reference to the well-known side view of FIG.
is a calling telephone, B is an incoming telephone installed in the guard office F, and C is a telephone for receiving calls.
is the same telephone transfer device, D is the calling telephone, and E is the forwarding destination telephone.
When a call is made to the incoming telephone B in the absent office F, the incoming call is detected by the telephone transfer device C, and the call is transferred to the office F.
The outgoing telephone set is used to call the transfer destination telephone E, and the telephone transfer device C connects the call telephone A and the transfer destination telephone E so that the call can be made.

(Problems to be Solved by the Invention) However, in the conventionally known device, as shown in FIG. Ta.

Therefore, B. The desk space becomes larger.

L, it doesn't look good.

C. There are unnecessary parts such as handsets and receivers.

Second, there are unnecessary parts such as handsets and receivers, which increases costs.

There was a flaw.

(Means for Solving the Problems) Therefore, the present invention overcomes the above-mentioned defects by providing a structure in which only the necessary components of the incoming telephone B and the outgoing telephone are built into the transfer device C.

The present invention incorporates an incoming telephone device that cannot make calls but can receive calls, and an outgoing telephone device that cannot make calls but can make outgoing calls, in the transfer unit main body 1, and connects the main body 1 and the calling telephone device A. The gist is the configuration of a telephone transfer device in which the main body 1 and a transfer destination telephone E are connected via a telephone line 12 through a telephone line 11.

To explain an embodiment of the present invention with the drawings, 1 is a main body of a telephone transfer device having a function corresponding to the office F in FIG. 2, Calculation function key 3, Call button for manual transfer 4,
A liquid crystal display section 5 for displaying various telephone numbers, a transmitter/receiver 6, a slide switch 7 for switching the main body l to telephone mode or automatic call transfer mode, a known hold button 8 for holding the telephone line, and a central office line selection button 9. , lO, etc. are provided.

The internal circuit of the main body I will be explained in detail and concretely with reference to the block diagram and circuit diagram shown in FIG. Telephone line, each with 1 relay contact
3. Connect to 14. The relay contacts 13 and 14 are switched to be connected to the incoming call detection unit 16 connected to the I-O port 15 when the phone is on standby, and to the 2-wire and 4-wire separation units 17 and 18 when the phone is in use. Variable equivalent circuits 19.20 having the same impedance as the telephone line 11.12 are connected to the two-wire and four-wire separation sections 17.18, respectively. Reference numerals 21 and 22 indicate dial pulse generation relay contacts provided between the two-wire and four-wire separation sections 17 and 18 and the relay contacts 13 and 14 degrees, respectively.

Therefore, the terminal H on the output side of the 2-wire/4-wire separation section 17.18
, I are connected to the input sides of amplifiers 23, 24 in FIG. The output side of the amplifier 23 is connected to the input side of the 2-wire/4-wire separation section 18 via a terminal J via an analog switch 25, a of an analog switch circuit 25 and an amplifier 26.

Similarly, the output side of amplifier 24 is connected to analog switch 2.
5b and an amplifier 27 to the terminal K.
Connected to the input side of the line separation section 17. As a result, the signal input through the telephone line 11 is transferred from the relay contact 13 to
2-wire 4-wire separation unit 17 → terminal H → amplifier 23 → analog switch 25a → adder 26 → terminal J → 2-wire 4-wire separation unit 1
8 + relay contact 14 and transmitted while being amplified Telephone line 1
2 and similarly input from the telephone line 12, the signal is sent to the relay contact 14 → 2-wire 4-wire separation section 18 → terminal work →
Amplifier 24 → analog switch 25b → amplifier 27 → terminal → 22-wire 4-wire isolation part 17 → relay contact 13 and is transmitted while being amplified, and is output from telephone line 11.
Another terminal of the 2-wire/4-wire separation section 17.18, M
are connected to analog switch 25c and analog switch 25d shown in FIG. 6, respectively. analog switch 2
5c, the output side of the analog switch 25d is connected to the input side of the handset 6 and the speaker 28, respectively, via an analog switch 25e.

The output side of the handset 6 is shown in FIG. 7, and is connected to the analog switch 25f of FIG.
Connect to 25g. 30 is a P/B tone generator;
The output side is connected to the analog switches 25f and 25g, and the input side is connected to the I-O port 15.

In FIG. 3, 31 is a central processing unit, 32 is a program ROM, 33 is a storage unit, 34 is a backup battery for the storage unit 33, and 35 is the button section 2, the calculation function key 3, and the manual transfer. A switch group consisting of a call button 4, etc.; 36 is a key matrix of the switch group 31;
7 is a ring tone generation circuit S;

(effect) Next, we will discuss the effect.

Set slide switch 7 to automatic call forwarding mode,
When a call is placed on the telephone line 12 from the telephone set, the incoming call is detected by the incoming call detecting section 16 via the relay contact 14.

Therefore, the central processing section 31 reads out the forwarding destination telephone number registered in the storage section 33 in advance, turns on the relay contact 13, and uses the P.B tone generator 30 to perform the P.B tone generator 30.
A tone is output. At this time, analog switch 25g
The SWI of analog switch 25f is OFF, and the SWI of analog switch 25f is OFF.
is turned on, the PφB tone is turned on by analog switch 2.
Via 5f, analog switch 25b → amplifier 27 →
The signal is transmitted to the terminal → 22-wire 4-wire separation section 17, separated by the 2-wire 4-wire separation section 17, and then a call is made from the telephone line 11.

Then, the transfer destination telephone E is called, and the incoming call detection unit 1
6, the analog switch 25a SW
I and SWl of the analog switch 25b are turned on,
The telephone line 11 and the telephone line 12 are as follows: relay contact 13 → 2-wire/4-wire separation section 17 → terminal H → amplifier 23 → analog switch 25a-+amplifier 26 → terminal J
→ 2-wire 4-wire separation section 18 → Relay contact 14 and relay placement point 14 → 2-wire 4-wire separation section 18 → Terminal work → Amplifier 24 → Analog switch 25b → Amplifier 27 → To terminal →
Lines are connected in both directions, such as from the 22-wire and 4-wire remote part 17 to the relay contact 13, allowing communication between the two parties.

Therefore, when the main body 1 is used as a telephone, the slide switch 7 is switched to the telephone mode in advance. When a call is made from the telephone set A through the telephone line 12, the incoming call detection section 16 detects the incoming call, and the ringing tone generating circuit 37 generates a ringing tone. Thus, in the same way as with a normal telephone, by selecting the office line selection button 10 for the line 12 and picking up the handset 6, the user can answer the other party's call.

When transferring this call to a person who is away at another office, the other telephone line 12 is put on hold using the hold button 8, the office line selection button 9 for line 11 is selected, and the button is pressed. A P-B tone generator 30 is outputted from the section 2, and a call is made from the telephone line 11. Once contact is established with the transfer destination telephone E via the telephone line 11, the telephone line 11 is electrically held by pressing the manual transfer call button 4 continuously for a certain period of time to prevent misuse. After confirming this holding, the handset 6 is put down (on-footer), and then the telephone line 11 and the telephone line 12 are linked, and the manual transfer is completed.

In the above operation, in addition to calling a telephone number by the P-B)-tone generator 30, the dial pulse generation relay contact 2
By using 1.22, it can be used not only as a telephone line for pushbuttons but also as a telephone line for dial pulses.

(Effects) As described above, the present invention incorporates an incoming telephone device that cannot make calls but can receive calls, and an outgoing telephone device that cannot make calls but can make outgoing calls, in the transfer unit main body 1. and the calling telephone A are connected through a telephone line 12, and the main body 1 and the forwarding telephone E are connected through a telephone line 11, a,
Since it is formed into one piece, it can be made smaller.

b. The appearance can be designed freely.

C1 handset etc. are not required.

d. It is inexpensive because there is no handset or receiver.

This effect is achieved.

[Brief explanation of drawings]

FIG. 1 is an overall schematic diagram, FIG. 2 is a known side view, FIG. 3 is an overall block diagram, and FIGS. 3 to 7 are circuit diagrams of main parts. Explanation of symbols 1...Main body, 2...Button button part, 3...Calculation function key, 4...Call button for manual transfer, 5...
Liquid crystal display, 6... Handset, 7... Slide switch, 8... Hold button, 9.10... Office line selection button, 11.12... Telephone line, 13.14...・Relay contact, 15... Eye port, 16... Telephone call detection section, 17.18... 2-wire 4-wire separation section, 19.
20... Variable equivalent circuit, 21.22... Relay contact for dial pulse generation, 23.24... Amplifier, 25
...Analog switch circuit, 25aNg...Analog switch, 26.27...Amplifier, 28...Speaker, 29...Amplifier, 30...PφB toto generator, 31...Central processing unit , 32...program,
33...Storage unit, 34...Backup battery, 35...Switch group, 36...Key matrix, 37...Ring tone generation circuit, A...Call phone set, B...
...Incoming telephone, C...Telephone transfer device, D...Outgoing telephone, E...Transfer destination telephone, F...Office,
H1■, J, L, M, N, P...terminals. Patent applicant: Hiki Resco Co., Ltd. and 1 person Gutong Figure 2 Procedural amendment (acid) August 6, 1980 1, Indication of the case 1982 Patent application No. 142692--La 2, Name of the invention Telephone Transfer device 4, agent 5, date of amendment order 8 Contents of amendment (1) Supplement the power of attorney. (2) Correct Figure 2. Figure 2 1. Indication of the incident 1980 Patent application Relationship with car case No. 142692 Patent applicant address 4-4 Araki-cho, Shinjuku-ku, Tokyo Name
Japan Resco Co., Ltd. Representative Tadaoki Abe 4, Agent 5 Date of amendment order October 30, 1982 (shipment date) 8 Contents of amendment (1) Specification strength Page 13, line 11 “No. Figures 3 to 7 1
"Corrected as "Fig. 3-7 1.

Claims (1)

[Claims] A receiving telephone device that cannot make calls but can receive calls, and a calling telephone device that cannot make calls but can make outgoing calls are built into the transfer unit main body 1, and the main body 1 and the calling telephone device A are connected to the telephone line 1.
2, a telephone transfer device in which the main body 1 and a transfer destination telephone E are connected through a telephone line 11;