JPH0714778U - Cordless phone - Google Patents

Abstract

(57) [Summary] [Structure] In the cordless telephone T of the button telephone device having the cordless telephone T by the MCA method,
From the detection of the calling operation in the operation unit 1 to the setting of the wireless line (call channel) in the wireless unit 4, a waiting sound is generated in the sound source 5 and a waiting sound is emitted from the speaker 8. [Effect] By emitting the waiting sound, it is possible to audibly display that the callless connection control is being performed in the cordless telephone, so that it is possible to prevent an erroneous operation of the operator and give the operator a sense of security.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cordless telephone used for a button telephone device, and particularly, a call channel is set between a wireless connection device accommodated in a key telephone main device and the cordless telephone after making a call operation with the cordless telephone. Until, it relates to a cordless telephone that emits a waiting sound.

[0002]

[Prior art]

 In the cordless telephone used for the conventional key telephone device, a call channel is set between the cordless telephone and the wireless connection device after the call operation is performed, and the main device is connected to the above wireless connection device. Until the DC loop of the telephone line is closed, in the above cordless telephone, the display (usually LCD) is displayed to indicate that it is connected, or it is displayed after the DC loop of the telephone line is closed without any indication. A method such as illuminating an element (usually an LED) to indicate that the connection is completed is used.

[0003]

[Problems to be solved by the device]

 According to the above-mentioned conventional technology, there is no display between the call operation on the cordless telephone and the closing of the DC loop of the telephone line, that is, the display indicating that the call channel setting is being controlled, or only the visual display. it's shown.

By the way, in a case where a wireless connection device is arranged in a plurality of zones such as a key telephone device in which a cordless telephone is used as a key telephone, when the cordless telephone makes a call, the cordless telephone is used. In order for the phone to select the wireless connection device with the highest electric field strength from the multiple wireless connection devices, check the electric field strength sequentially and then set the communication channel with the wireless connection device with the highest sensitivity. . This requires a certain amount of time, and the waiting time from the call to the closing of the DC loop of the telephone line becomes relatively long. Therefore, as described above, if there is no display during this waiting time, there is a problem that the caller feels uneasy and is likely to cause an erroneous operation such as pressing another button. In addition, in the method of displaying the waiting time by the visible display, the visible display surface has become smaller due to the miniaturization of cordless telephones, which is difficult to confirm in recent years, and it has not been a fundamental solution to the above problems. An object of the present invention is to solve the above problems.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention is designed to emit a waiting tone in a cordless telephone from the call operation of the cordless telephone until the DC loop of the telephone line is closed.

[0006]

[Action]

 According to the present invention, as described above, the cordless telephone audibly displays the waiting time between the call operation and the closing of the DC loop of the telephone line, thereby facilitating the recognition of the state during the control of the call channel. It is possible to eliminate erroneous operation and anxiety during connection waiting.

[0007]

【Example】

 1 and 2 illustrate an embodiment of the present invention. FIG. 1 is a system diagram of a button telephone device having a cordless telephone, and FIG. 2 is a block diagram of the cordless telephone.

In FIG. 1, M is a main unit of a key telephone device, S1 to Sn are wireless connection devices (the reference numeral is “S” when it is not necessary to distinguish them from each other, and the same reference numerals are used hereinafter), T1 to Tm are cordless telephones, and L1 to Lp are telephone lines.

In FIG. 2, 1 is an operation unit, 2 is a CPU, 3 is a display unit, 4 is a wireless unit, 5 is a sound source, 6 is a switch, 7 is an amplifier, 8 is a speaker, 9 is an amplifier, and 10 is a handset. Is.

As shown in FIG. 1, a key telephone device embodying the present invention includes a main device M accommodating a plurality of telephone lines L1 to Lp and a plurality of wireless connection devices S1 to Sn, and a plurality of cords. It is composed of telephones T1 to Tm, and the wireless connection devices S1 to Sn and the cordless telephones T1 to Tm are wirelessly coupled by the MCA method.

Each part of the cordless telephone T shown in FIG. 2 will be described.

The operation unit 1 has dial buttons (numeric keys) and other various operation buttons, and in the present invention, includes a call button as a call operation means. The CPU 2 generally controls the cordless telephone T by program control. Regarding the present invention, between the call detecting means for detecting the operation of the call button on the operation section 1 and the wireless connection apparatus S which is vacant and cooperates with the wireless section 4 when a call is made. Wireless connection device selection means that selects the one with the highest electric field strength, and the call channel number sent from the wireless connection device when an empty call channel is selected by the selected wireless connection device. A program is provided with a channel setting means for setting a communication channel based on the above, and a sound emission control means for controlling the sound source 5 to generate and stop the waiting sound.

The display unit 3 is usually composed of an LCD (Liquid Crystal Display), and in the present invention, the waiting state is visually displayed. It should be noted that the visible display is not always necessary for implementing the present invention.

The wireless unit 4 exchanges various signals, control, data, voice, and the like with the wireless connection device S via a wireless line.

The sound source 5 is a sound source for various signal sounds and generates a waiting sound in the present invention.

The amplifier 7 is a booster for various signal sounds and, in the present invention, boosts the waiting sound.

The speaker 8 is a means for emitting a waiting sound in the present invention. The switch 6, the amplifier 9 and the handset 10 belong to the voice communication system and are not directly related to the present invention.

Next, the operation will be described.

When a call button is operated on a cordless telephone, for example, T1, call information is sent from the operation unit 1 to CPU2, whereby the CPU 2 detects the call and controls the sound source 5 to perform a key touch tone. (Key confirmation tone of operation button) is generated for a short time, this key touch tone is emitted from the speaker 8, and then the key touch tone in the sound source is switched to a waiting tone during channel setting control (hereinafter referred to as a waiting tone). Sound is emitted from 8. At this time, if necessary, the CPU 2 controls the display unit 3 to display that the call connection control is being performed (call channel setting control is being performed).

Further, the CPU 2 sequentially checks the intensity of the electric field strength between the plurality of wireless connection devices S1 to Sn through the control channel of the wireless unit 4 at the same time as the sound emission control of the waiting sound, and when it is not in use, A wireless connection device having the highest sensitivity, for example, S1 is selected, and a call channel is set between the selected wireless connection device S1 and the cordless telephone T1 by the control of the wireless connection device S1. On the other hand, the wireless connection device S1 sends call information to the main device M. The main device M selects an empty telephone line, for example L1, according to the calling information, sets a communication path between the selected telephone line L1 and the wireless connection device S1, and closes the DC loop of the telephone line L1. , Send call information to the telephone network.

In the cordless telephone T1, when the communication channel is set up with the wireless connection device S1 as described above, the CPU 2 controls the sound source 5 to stop the waiting sound, and the display unit 3 emits sound. The display during call connection control is turned off, and the switch 10 is connected between the transmitter 10 and the amplifier 9, and a voice circuit is created between the wireless unit 4 and the transmitter / receiver 10 via the amplifier 9, A call path from the cordless telephone set T1 to the telephone network is completed via the connection device S1 and the main device M.

As described above, the dial tone is returned from the telephone network shortly after the call information is sent to the telephone network. As mentioned above, the communication path is established up to the handset 10 of the cordless telephone T1. Therefore, the dial tone can be heard on the handset 10.

As described above, from the call operation of the cordless telephone T until the call channel is set between the cordless telephone T and the wireless connection device S (until the DC loop is closed in the selected telephone line L 1). A waiting sound is emitted from the speaker 8 (almost at the same time as), and the state during call connection control is audibly displayed.

[0024]

[Effect of device]

 As described above, in the present invention, the waiting sound is emitted from the time when the cordless telephone is called until the call channel is set between the cordless telephone and the wireless connection device. As a result, erroneous operation at the time of making a call can be prevented and the operator of the cordless phone can be relieved.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of a button telephone device having a cordless telephone according to an embodiment of the present invention.

FIG. 2 is a block diagram of a cordless telephone according to an embodiment of the present invention.

[Explanation of symbols]

L1 to Lp ... Telephone line M ... Main device S1 to Sn ... Wireless connection device T1 to Tm (T) ... Cordless telephone 1 ... Operation unit 2 ... CPU 4 ... Wireless unit 5 ... Sound source 8 ... Speaker

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location 7304-5K H04B 7/26 110 A

Claims (1)

[Scope of utility model registration request] 1. The cordless telephone of the button telephone device, wherein the main device accommodates a plurality of wireless connection devices, and the button telephone is a cordless telephone that wirelessly connects to the wireless connection device by the MCA method. A call operating means, a call detecting means for detecting that the call operating means has been operated, and a vacant wireless connection device among the plurality of wireless connection devices by the call detection of the call detecting means. Between the connection device selecting means to be selected and the wireless connection device based on the empty call channel notification received from the wireless connection device when the empty communication channel is selected by the wireless connection device selected by the connection device selection means. A channel setting means for setting a communication channel, a sound source for a waiting sound, a sounding means for a waiting sound from the sound source, and the above-mentioned call detecting means for detecting a call. A sound source is turned on, and a sound emission control means is provided for controlling the sound source to be turned off when the channel setting means sets a call channel, and waits from the sound emitting means from the calling operation to the completion of the call channel setting. A cordless telephone that emits sound.