JPS6345942A - Telephone system - Google Patents

Abstract

PURPOSE:To contrive the effective utilization of a speaker by connection a music source to a main equipment such as a push-button telephone system and using a key operation to form a speech path between the telephone set and a source when the telephone set hooks on and disconnecting said speech path at an incoming call, thereby controlling the telephone set and a ring tone oscillating section to form the speech path. CONSTITUTION:Music sources 11, 12 are built in or connected externally to the main equipment 1 and when the telephone set 2 is hooked on, the speech path for the source with the telephone set is formed by the key operation to give a required tone to a speaker. On the other hand, at the incoming call state, said speech path is interrupted and the ring tone oscillation section 7 and the telephone set 2 are controlled t form the speech path. Thus, when the telephone set 2 is not used for communication, the speech path between the source 11 or 12 and the telephone set by the key operation to listen to the tone of the source from the speaker of the telephone set. In such a case, since plural sources are provided, the operator selects the preferred music.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to telephone devices such as home telephones and key telephone devices.

Some terminal telephones, such as 蓑米p and blood button telephone devices and home telephones, are equipped with a speaker, and in such terminal telephones, it is possible to make a call to a central office line while the handset is hung up, and the call can be made at that time. There is the convenience of being able to monitor the signal and the response of the other party using the speaker.

Problems to be Solved by the Invention Incidentally, in a terminal telephone, the monitor as described above is not always used, and therefore, the speaker is not used at all for most of the time.

In order to effectively utilize such speakers, the present invention has the following features:
The aim is to allow the device to be used as a piece of audio equipment without sacrificing its functionality as a telephone.

Means for Solving the Problems In order to achieve the above object, the telephone device of the present invention has a plurality of built-in and/or externally connected music sources to a main device to which a terminal telephone with a speaker is connected. When the telephone is in the on-footer state, a communication path is established between the telephone and a desired music source by key operation, and the desired music sound is played through the speaker.On the other hand, when the telephone receives a call, the communication path is established. The device is characterized in that it is controlled so that the ring sound oscillator and the telephone set form a communication path.

Function According to the above configuration, when the terminal telephone is not used for a telephone call, that is, when it is in an on-hook state, by operating the keys to form a communication path between the music source and the terminal telephone, the music source emits the sound. You can listen to music through the speakers. Moreover,
In this case, since a plurality of music sources are provided, the operator can select music according to his/her preference.

Embodiment FIG. 1 is an embodiment of the present invention, and shows a circuit block diagram of a button telephone device having a system configuration of three central office lines and five extension telephones. In the figure, 1 is a main device, 2a to 2e are terminal telephones, and 9 is a central office line connection line.

The main device 1 is a simple telephone exchange device, which mainly includes an interface section 3, a central office line control section 4, a system control section 5, a cross-point control/data transmission/reception section 6, a ring sound oscillation section 7, a cross-point section 8, etc. In addition, in this embodiment, an internal music source 11 is also provided.
and an external music source 12.

The interface section 3 enables signal transmission between the office line connection line 9 and the crosspoint section 8, and when there is an incoming call from the office line 9, it is transmitted to the system control section 5 through the office line control section 4. The office line control unit 4 includes a CPU, and sends an incoming call signal from the office line 9 to the system control unit 5, while transmitting an incoming call signal from the office line 9 to a predetermined office line 9 when making a call to the outside from the telephone 2, which will be described later.
It functions to send a dial pulse to.

The system control unit 5 is composed of a microprocessor,
It has a memory consisting of RAM-'FROM, and has a cross-point control/data transmitting/receiving section 6 and an internal music source 1.
1st class is connected. This system control unit 5 performs exchange control between the central office line 9 and the telephones 2a...e and mutual exchange control between the telephones, and outputs the output of each music source 11, 12 selected by key operation of the telephone to the telephone 2a...e. It is designed to control the sound to be played through the speakers 14 of.

The crosspoint control/data transmission/reception unit 6 includes a CPU, controls the crosspoint unit 8 based on the control signal from the system control unit 5, performs normal exchange control, and
The configuration is such that music can be played back by sending output signals from each of the music sources 11 and 12 to each of the telephones 2a...2e. The ring sound oscillation unit 7 includes a 400Hz oscillation source 7a, an 800Hz oscillation source 7b, and 400H+16H.
It is equipped with an oscillation source such as a Z oscillation source 70, and when a call is received from the central office line 9, a ringing signal current of 16H2 in the audible frequency band is applied from the oscillation source 7C to each telephone 2a...2e, and the speaker 14 The phone now emits a ringing sound to indicate an incoming call.

The black point section 8 is a device for forming a communication path between the office line 9, the telephone 2, the music sources 11, 12, etc., and is a vertical path A... connected at one end to each extension circuit 10. E, and horizontal paths a...b that intersect the vertical paths A...E.

The horizontal paths are central line communication paths a...C1 extension communication paths d, e,
Tone communication path f...h1 External music source path i
, j and the internal music source path. In addition, the external music source path i.

j is an external music source 12 such as a CD player and a cable broadcasting 12 via a buffer amplifier 13.13.
connected to b. Further, in the internal music source path, Il is connected to a preset tuner lla and a synthesized music source llb, which are internal music sources 11, respectively. The present tuner 11a is equipped with a plurality of channels, and a desired sound can be selected by operating the keys on the terminal telephone. Similarly, the CD disc player 128 and the like are also designed so that desired songs can be selected by key operations. FIG. 2 is a perspective view of the terminal telephone, and FIG. 3 is a layout diagram of the key operation section of the terminal telephone.

The terminal telephone 2 has a built-in CPU and a speaker 14.
, a handset 15, a key operation section 16, etc.
Under the control of the system control section 5, music sounds can be played from the speaker 14 in addition to normal phone calls. The key operation unit 16 is arranged on the right side of the top surface of the main body, and the dial key part 17 has a numeric keypad from 1 to O, and known keys such as * and #, and can perform normal dial operations. It looks like this. The function key portion 18 includes a speakerphone key 18a, a tuner key 18b1, a synthesizer key 18c, a first external source key 18d1, a second external source key 18e, and a plurality of empty keys 18f, and is located on the left side of the dial key portion 17. The music sources 11 and 12 are arranged vertically, and the music source 11, 12 can be selected by operating this key, and the desired music can be played from the speaker 14.

In addition, each key has letters and an LED to display the type of key.
It is possible to display the following information. Furthermore, four central office line keys 20 each having a display lamp are provided so that each telephone 2 can display an incoming call on the central office line.

Next, the operating procedures for selecting a preset tuner as a music source and selecting a channel of a preset tuner, and the operation of the system configuration at that time will be described.

When selecting a preset tuner from the telephone 2a.

(2) When the handset 5 is in the on-hook state, when the speakerphone key 183 of the telephone 2a shown in FIG. 1 is pressed down, the display lamp 19 of the speakerphone key 18a lights up. At this time, the signal of the speaker phone key 18a is transmitted to the telephone 2a.
After being detected by the CPU, the data superimposed on the power supply of the telephone 2a is sent to the crosspoint control/data transmission/reception section 6 of the main device 1, and further sent to the system control section 5 and stored in the RAM.

■If you press down the tuner key 18b, the tuner key 18b
The indicator lamp 19 lights up. At this time, the signal from the tuner key 18b is sent to the crosspoint control/data transmitting/receiving section 6 in the main device 1 through the same route as described above, and further sent to the system control section 5 and stored in the RAM.

■When the CPU of the system control section 5 sends a control signal according to the contents of the RAM to the CPU of the telephone 2a via the cross-point control/data transmission/reception section 6, this CPU forms a music playback mode based on the control signal. .

■On the other hand, the CPU of the cross-point control/data transmitting/receiving section 6
turns on the intersection point Ak of the cross point section 8 in accordance with the control signal. This allows the preset tuner
The audio output of a is sent to the telephone 2a, and the music sound of the initial tuning channel is reproduced from the speaker 14 of the telephone 2a.

When selecting and operating preset tuner channels.

■When the speakerphone key 183 and the tuner key 18b are pressed down, for example, the numeric keypad 2 of the dial key part 17 is pressed down, this signal is sent to the RAM of the system control unit 5.
is memorized.

(2) The CPU of the system control unit 5 outputs a control signal according to the contents of the RAM and selects a song on channel 2 of the preset tuner 11a.

■On the other hand, the CPU of the cross-point control/data transmitting/receiving section 6
turns on the intersection of Ak in the cross point section 8, and the telephone 2
Set a to music playback mode.

This allows channel 2 of preset tuner lla to
The audio output is sent to the telephone 2a, and the desired mu/sic sound is reproduced from the speaker 14.

Next, the operation when an incoming call from the central office line is received while audio is being played will be described.

In this case, the state in which audio is being played back on the telephone 2a is stored in the RAM of the system control unit 5 in advance.

(2) When the telephone 2a receives a call from the central office line 9, the display lamp 19 of the speaker phone key 182 and the display lamp 19 of the tuner key 18b go out and the music sound stops. At this time, the incoming signal on the office line 9 is transmitted to the office line control unit 4.
is sent to the system control unit 5 via the CPU of
is memorized.

(2) The CPU of the system control unit 5 sends a control signal informing each telephone 2a . . . 2e of the arrival of a central office line call according to the contents of the RAM.

■Based on the control signal output from the CPU of the system control unit 5, the CPU of the data transmitting/receiving unit 6 controls the cross point unit 8.
The intersection of Ak is turned off, while the intersection of Ah is turned on. As a result, the CPtJ of the telephone 2a converts the mode from the music playback mode to the ring tone playback mode,
A ring tone sounds from the speaker 14 of the telephone 2a. At this time, the signal of the incoming call from the office line is being sent to all the telephones 2a...2e at the same time, and the indicator lamp 19 of the office line key 20 where the incoming call was received lights up and a ring tone sounds.

■Central line key 2 on phone 2a that was playing music
When one of the keys 0 is pressed down, a signal from the key operation is sent to the CPU of the system control unit 5 and stored in the RAM, and at the same time, the Musink playback data is erased from the RAM, and based on the new RAM data, A communication mode between the telephone 17II2a and the office line 9 is established, and communication using the handset 15 becomes possible.

■When you put the handset 15 on-hook after the call, the music playback data will be erased from the RAM.
No music sound is played from the speaker 14.

■Meanwhile, when receiving a call from central office line 9, all telephones 2a...2e
When a ring tone indicating an incoming call sounds and the display lamp of the central office line key 20 is lit, if the central office line key 20 of a telephone other than the telephone 2a that was playing music, for example, the telephone 2b, is pressed down. , signals generated by key operations are sent to the CPU of the system control unit 5 and stored in the RAM. Then, similar to the call mode of the telephone set 2a, a call mode between the telephone set 2b and the office line 9 is established, and a call can be made using the handset 15.

Note that in this state, the data in the RAM of the system control unit 5 is not erased, so the output of the preset tuner lla continues to be sent to the telephone 2a according to the contents of the RAM.
The speaker 14 is reproducing music sounds from channel 2 of the preset tuner lla.

The above explained the case of selecting a preset tuner, but the synthesized music source 11 b
, a similar operation can be performed when listening to music sounds from a CD player or the like.

DETAILED DESCRIPTION OF THE INVENTION According to the telephone device according to the present invention, when the terminal telephone is in an on-hook state, a desired music sound or the like can be played from the speaker of the telephone by key operation, and the telephone can be used to play music. It can be effectively used as a device. Furthermore, since multiple music sources are provided, there are excellent effects such as being able to enjoy music according to one's taste.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a perspective view of a terminal telephone, and FIG. 3 is a layout diagram showing a key operation section of the terminal telephone. 1... Main device, 2... Terminal telephone, 4...
...System control unit, 7...Ring sound oscillation unit, 11
．． 12...Music source, 12a...CD player, 14...Speaker. Patent applicant: Sanyo Electric Co., Ltd. agent
: Patent Attorney Tsukasa Nakajima Continued by Masashi Shuho (spontaneous) February 17, 1988 Patent Application No. 188870 2, Title of invention Telephone device 3, Relationship with the person making the amendment Patent applicant's address 2-18 Keihan Kidori, Moriguchi City Name (188) Sanyo Electric Co., Ltd. (1) The statement "4 pieces" on page 8, line 4 of the specification was replaced with "
Corrected to 3 pieces. (2) Figures 1 and 2 of the drawings will be replaced as shown in the attached sheet. Figure 1

Claims (2)

[Claims] (1) To the main device to which the terminal telephone with speaker is connected,
A plurality of music sources are connected internally and/or externally, and when the telephone is in an on-hook state, a communication path is formed between the telephone and the desired music source by key operation, and the desired music sound is played through the speaker. and, on the other hand, when the telephone receives an incoming call, the telephone device is controlled so that the communication path is cut off and the ring tone oscillator and the telephone set form a communication path. (2) The telephone device according to claim 1, wherein one of the music sources externally connected to the main device is a compact disc player.