JPH03169146A - Telephone terminal system - Google Patents

Abstract

PURPOSE:To set a reception level automatically by providing a reception sound volume level regulation section, a dial signal storage section and a reception sound volume level storage section storing reception sound volume level information corresponding to each dial signal stored in the dial signal storage section. CONSTITUTION:When a reception sound volume level adjustment operation section 214 is operated, a reception sound volume level in the reception sound volume level regulation section 209 is regulated and the sound volume level information 'e' in the reception sound volume level storage section 215 is revised. When a hook switch 201 is opened (on-hook), the revised sound volume level information 'e' in the reception sound volume level storage section 215 is fixed. When dialing is implemented by using a same one-touch dial button next, after a series of dial signal 'd' is sent, the revised sound volume level information 'e' is used to set the sound volume level of the reception sound volume level regulation section 209. Thus, the sound volume in response to each dialing destination is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a telephone terminal device that is connected to a telephone office line to make a telephone call.

BACKGROUND OF THE INVENTION FIG. 2 is a block diagram showing the structure of a conventional telephone terminal device having a receiving volume control function.

100 is the main body of the telephone terminal device. hook switch 10
1 connects/disconnects the DC loop current between the central office line 115 and the communication transformer 102 by on/off hook operation of the telephone receiver 107. The telephone transformer 102 has two windings for a transmitting system and a receiving system on its secondary side, and performs AC coupling with the central office line 115 in the voice band. On the secondary side of the telephone transformer 102, one transmitting system is connected to the relay 103.
It is connected to the output of the transmitting power amplifying section 104 via a contact a. The input of the transmitting power amplifying section 104 is the receiver 107.
is connected to the microphone 105 of. The other receiver system on the secondary side of the telephone transformer 102 is connected to the receiver 1 via a variable resistor 109 that adjusts the volume level of the audio signal coming from the central office line.
In order to drive the loudspeaker 106 of No. 07, it is connected to the input of a reception power amplifying section 108 that amplifies the power of a reception audio signal.

By the way, contact b of the relay 103 is connected to a DTMF signal sending unit 110 that sends out a multi-frequency selection signal (hereinafter referred to as DTMF signal), which is one of the dial signals, to the office line. By the way, the function of the relay 103 is that when sending the DTM MF signal to the office line 115, the DTM
The F signal is switched to the contact b side by the DTMF signal sending unit 110 so that the F signal is not disturbed by the audio signal from the receiver 107. During a normal call, the relay 103 is switched to the contact a side. Reference numeral 111 denotes a dial signal storage section, which functions to store a plurality of series of dial signal information as indicated by "c".

By pressing a button on the one-touch dial operation section 112, a series of dial signal information corresponding to the buttons in the dial signal storage section 111 is transmitted to the DTMF signal sending section 11.
0, and the station line 11 via the contact b side of the relay 103.
Send to 5. Incidentally, a plurality of series of dial signal information "c" stored in the dial signal storage section 111 are manually inputted from the dial signal storage operation section 113. Reference numeral 114 denotes a receiving sound volume level adjustment operation section for manually operating the variable resistor 109.

Problems to be Solved by the Invention However, in the conventional configuration as described above, when the destination is a remote location, the receiving volume level may be low, and manual adjustment is required to raise the volume level. Ta. In addition, if the destination was a short distance away and the volume level was set to be high first, there was a problem in that it was necessary to manually lower the receiving volume level each time. .

Means for Solving the Problems In order to solve the above problems, the present invention provides a receiver volume level adjustment, a dial signal storage section, and a receiver volume level information corresponding to each dial signal stored in the dial signal storage section. A receiver volume level storage unit is provided to store the received voice volume level.

Effect: With the above structure, the reception level is automatically set every time a dial call is made using the dial information stored in the dial signal storage section.

Embodiment Hereinafter, an embodiment of a telephone terminal device according to the present invention will be described using FIG.

FIG. 1 is a block diagram showing the structure of the telephone terminal device of the present invention, and is composed of the parts described below. central line 2l
6. Hook switch 201, telephone transformer 202, relay 203, transmitting power amplifying section 204, handset 207, receiving power amplifying section 208, microphone 205, speaker 206, D
The TMF signal sending unit 210 and the dial signal storage unit 211 are the stations fil 1 to 5 and the hook switch 101, which have already been explained in connection with the telephone terminal device 100 having the conventional configuration shown in FIG.
, telephone transformer 102, relay 103, transmitting power amplifying section 104, handset 107, receiving power amplifying section 108, microphone 105, speaker 106, DTM F signal transmitting section 1
10. Performs the same function as the dial signal storage section 111.

Reference numeral 209 is a receiving volume level adjustment unit that can adjust the volume level of the audio signal coming from the central office line 216 by electronic control, and when the hook switch 201 is closed (off-footer call status il!), the receiving volume level is adjusted. Level adjustment operation section 214
It is possible to adjust the volume level. Reference numeral 215 denotes a listening volume level storage unit that stores volume level information “e” necessary for volume level control of the listening volume level adjustment unit 209 in a series that is one of a plurality of pieces stored in the dial signal storage unit 211. is stored in one-to-one correspondence with the dial signal information "d", and is used as a set of information "c" corresponding to one arbitrary button of the one-touch dial operation section 212 during a one-touch dial outgoing operation. hook switch 2
If you press the button corresponding to the series of information rCJ on the one-touch dial operation unit 212 in the off-hook call state in which 01 is closed, the dial signal information rd in the dial signal storage unit 211 will be transferred to the DTMF signal sending unit 210. It becomes a series of DTMF signals and is sent to the central office line 216 via contact b of the relay 203, and the volume level information "
e' is transferred to the reception volume level adjustment section 209, and the volume level is set. After that, when the receiver volume level adjustment operation section 214 is operated, the receiver volume level adjustment section 209
The volume level can be adjusted, and the volume level information "e" in the listening volume level storage section 2l5 is also updated. Next, when the hook switch 201 is released (on-hook state), the updated volume level information "e" in the listening volume level storage section 215 is fixed. The next time you perform a call operation using the same one-touch dial button, after the series of dial signals "d" is transmitted, the volume level setting of the receiving volume level adjustment section 209 will be updated with the updated volume level information "e". ' is used. By the way, when storing the dial signal information "d" in the dial signal storage section 211, the user operates the dial signal storage operation section 213 to store the dial signal information "d" in the dial signal storage section 211. It is stored in the format "098-765-4321".

Effects of the Invention As described above, the present invention provides a reception volume level information means in the reception volume level storage unit so as to be associated with each series of dial signal information in the dial signal storage unit, and stores information in the dial signal storage unit. When a specified series of dial signals is sent, the volume level information in the receiver volume level storage section is automatically transferred to the receiver volume level adjustment section, and the volume is adjusted according to the dial destination. Can make phone calls.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of a telephone terminal device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of a conventional telephone terminal device having a receiving volume level adjustment function. 101, 201: Hook switch 102, 202: Call transformer 103, 203: Relay 104, 204: Sending power amplifying section 105, 205: Microphone 106, 206: Sound power 107, 207 Handset 108, 208: Receiving power amplifying section 109 : Variable resistor 209: Receiving volume level adjustment section 1 10, 210: DTMF signal sending section 111, 211
: Dial signal storage section 112, 212: One-touch dial operation section 113, 2
13: Dial signal storage operation section 114, 214: Receiving volume level adjustment operation section 115, 216: Office line 215: Receiving volume level storage section

Claims (1)

[Claims] A central office line interface means for controlling the closing and opening of the central office line and electrically interfacing with the central office line, and a receiving volume level adjustment connected to the central office line interface means for adjusting the volume level of an audio signal arriving from the central office line. means and
dial signal sending means connected to the office line interface means for sending a dial signal to the office line; dial information storage means connected to the dial signal sending means storing a plurality of sets of series of dial information; Receiving volume level storage means for storing volume level information in one-to-one correspondence with dial information stored in the information storage means; and receiving dial information from the dial information storage means and volume level information from the receiving volume level storage means. 1. A telephone terminal device comprising a control means for controlling the dial signal sending means and the volume level adjusting means.