JP3081296B2 - Cordless telephone equipment - Google Patents

Cordless telephone equipment

Info

Publication number
JP3081296B2
JP3081296B2 JP23489691A JP23489691A JP3081296B2 JP 3081296 B2 JP3081296 B2 JP 3081296B2 JP 23489691 A JP23489691 A JP 23489691A JP 23489691 A JP23489691 A JP 23489691A JP 3081296 B2 JP3081296 B2 JP 3081296B2
Authority
JP
Japan
Prior art keywords
circuit
hands
free
signal
slave unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP23489691A
Other languages
Japanese (ja)
Other versions
JPH0575684A (en
Inventor
章治 坂本
宏志 田中
浩司 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Tottori Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tottori Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tottori Sanyo Electric Co Ltd
Priority to JP23489691A priority Critical patent/JP3081296B2/en
Publication of JPH0575684A publication Critical patent/JPH0575684A/en
Application granted granted Critical
Publication of JP3081296B2 publication Critical patent/JP3081296B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、子機において所謂ハン
ズフリー通話が行なえるコードレス電話装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone device capable of performing a so-called hands-free call in a slave unit.

【0002】[0002]

【従来の技術】近年、例えば特開平2−26423号公
報に開示されているコードレス電話装置が普及し、現
在、非常に多機能化が進んでいる。
2. Description of the Related Art In recent years, for example, a cordless telephone device disclosed in, for example, Japanese Patent Application Laid-open No. Hei 2-26423 has become widespread, and at present, multifunctionality is extremely increasing.

【0003】この多機能化の1つとして、例えば特開昭
58−162157号公報に開示されている所謂ハンズ
フリー通話があり、このハンズフリー通話を親機、子機
の両者で行なえるようにすることが要望されている。
As one of such multi-functions, there is a so-called hands-free call disclosed in, for example, Japanese Patent Application Laid-Open No. 58-162157, so that the hands-free call can be performed by both the master unit and the slave unit. It is requested to do.

【0004】[0004]

【発明が解決しようとする課題】ところで、ハンズフリ
ー通話においては、マイクロホンとスピーカとが同一ケ
ースに収納されているために発生するハウリングによっ
て、通常の受話器のように送受が同時に行なえないか
ら、送話信号と受話信号を比較して送話信号或いは受話
信号を減衰する装置を設けるようにしている。
In a hands-free call, howling occurs because the microphone and the speaker are housed in the same case, so that transmission and reception cannot be performed simultaneously as in a normal handset. A device is provided for comparing the speech signal and the received signal to attenuate the transmitted signal or the received signal.

【0005】而して、上記のように、親機、子機の両者
でハンズフリー通話を行なうようにする場合は、この減
衰する装置を親機、子機の両者に設ける必要があり、携
帯性から小型化が要求される子機にあっては好ましいも
のではなかった。
[0005] As described above, when hands-free communication is performed by both the parent device and the child device, the attenuating device must be provided in both the parent device and the child device. However, it is not preferable for a handset that requires miniaturization due to its characteristics.

【0006】[0006]

【課題を解決するための手段】本発明のコードレス電話
装置は、前記子機に、マイクロホンから入力された信号
を送話信号として送出する手段と、受信した受話信号を
拡声用スピーカに出力する手段と、ハンズフリー信号を
送出する手段とを設け、前記親機に、送話信号と受話信
号を比較して送話信号或いは受話信号を減衰するハンズ
フリー手段と、該ハンズフリー手段を送受信機或いはマ
イクロホン及び拡声用スピーカに選択的に接続する手段
と、前記子機のハンズフリー信号を受信したとき、前記
ハンズフリー手段と送受信機が接続されるよう前記接続
手段を制御する手段とを設けたものである。
According to the present invention, there is provided a cordless telephone apparatus for transmitting a signal input from a microphone to a slave unit as a transmission signal, and outputting a received reception signal to a speaker for loudspeakers. And a means for transmitting a hands-free signal, wherein the master unit compares the transmitted signal with the received signal to attenuate the transmitted signal or the received signal, Means for selectively connecting to a microphone and a speaker for loudspeaker, and means for controlling the connection means so that the hands-free means and the transceiver are connected when a hands-free signal of the slave unit is received. It is.

【0007】[0007]

【作用】本発明は上記のように構成したものであるか
ら、親機のハンズフリー手段により、親機及び子機の両
者でハンズフリー通話を行なうことができる。
Since the present invention is constructed as described above, hands-free communication can be performed between both the master unit and the slave unit by the hands-free means of the master unit.

【0008】[0008]

【実施例】本発明の実施例を図面に基づいて説明する。An embodiment of the present invention will be described with reference to the drawings.

【0009】図1は親機(1)のブロック図を示し、
(3)は子機(2)よりの信号を受信する受信回路、
(4)は子機(2)に信号を送信する送信回路である。
(5)は電話回線(L)に接続されたネットワーク回路
で、電話回線(L)を断続する接続回路を含んでいる。
(6)はハンドセット、(7)(8)はハンズフリー通
話を行なうための拡声用スピーカ及びマイクロホンであ
る。(9)はハンズフリー時のハワリングを防止するた
めのハンズフリー回路で、送話信号を減衰する送話減衰
回路(10)、受話信号を減衰する受話減衰回路(1
1)、減衰される前の送話信号、受話信号の信号レベル
を比較するレベル比較回路(12)及びこの比較回路
(12)の出力に基づいて前記送話減衰回路(10)及
び受話減衰回路(11)の減衰量を制御する減衰制御回
路(13)からなる。このハンズフリー回路(9)につ
いては、例えば特開昭58−162157号公報にも開
示されているように周知の技術であり、ここでは、これ
以上の説明は省略する。
FIG. 1 shows a block diagram of a master unit (1).
(3) a receiving circuit for receiving a signal from the slave unit (2);
(4) is a transmission circuit for transmitting a signal to the slave unit (2).
(5) is a network circuit connected to the telephone line (L) and includes a connection circuit for intermittently connecting the telephone line (L).
(6) is a handset, and (7) and (8) are loudspeakers and microphones for hands-free communication. (9) is a hands-free circuit for preventing howling during hands-free operation. A transmission attenuation circuit (10) for attenuating a transmission signal, and a reception attenuation circuit (1) for attenuating a reception signal.
1) a level comparison circuit (12) for comparing the signal levels of the transmission signal and the reception signal before being attenuated, and the transmission attenuation circuit (10) and the reception attenuation circuit based on the output of the comparison circuit (12) It comprises an attenuation control circuit (13) for controlling the amount of attenuation in (11). This hands-free circuit (9) is a well-known technique as disclosed in, for example, Japanese Patent Application Laid-Open No. 58-162157, and further description is omitted here.

【0010】(14)はハンドセット(6)のオンフッ
ク、オフフックを検出するフック検出回路、(15)は
テンキー(16)、ハンズフリーキー(17)を含むキ
ー回路、(18)は受信回路(3)及び送信回路
(4)、ネットワーク回路(5)、拡声用スピーカ
(7)及びマイクロホン(8)、ハンズフリー回路
(9)、ハンドセット(6)を主制御回路(19)の制
御の下に選択的に接続する音声経路切換回路で、次の如
き組合せで各回路を接続する。
(14) a hook detection circuit for detecting on-hook and off-hook of the handset (6); (15) a key circuit including a numeric keypad (16) and a hands-free key (17); and (18) a reception circuit (3). ) And a transmission circuit (4), a network circuit (5), a loudspeaker (7) and a microphone (8), a hands-free circuit (9), and a handset (6) under the control of the main control circuit (19). Each circuit is connected by the following combination in the audio path switching circuit which is connected to each other.

【0011】 ハンドセット(6)→ネットワーク回路(5) 拡声用スピーカ(7)及びマイクロホン(8)→ハ
ンズフリー回路(9)→ネットワーク回路(5) 受信回路(3)及び送信回路(4)→ネットワーク
回路(5) 受信回路(3)及び送信回路(4)→ハンズフリー
回路(9)→ネットワーク回路(5) 尚、上記頭の番号が主制御回路(19)からの制御コマ
ンドに相当し、又上記各接続の組合せで記載されていな
い回路の端子は開放されている。
Handset (6) → Network circuit (5) Loudspeaker (7) and microphone (8) → Hands-free circuit (9) → Network circuit (5) Receiving circuit (3) and transmitting circuit (4) → Network Circuit (5) Receiving circuit (3) and transmitting circuit (4) → Hands-free circuit (9) → Network circuit (5) The above numbers correspond to control commands from the main control circuit (19). The terminals of the circuits not described in the combinations of the above connections are open.

【0012】(19)はマイクロプロセッサから構成さ
れた主制御回路で、親機(1)全体の制御を行なうもの
である。
(19) is a main control circuit composed of a microprocessor, which controls the entire master unit (1).

【0013】図2は、子機(2)のブロック図を示し、
(20)は親機(1)よりの信号を受信する受信回路、
(21)は親機(1)に信号を送信する送信回路であ
る。(22)はアンプ(23)に接続された受話用スピ
ーカ、(24)はアンプ(25)に接続された拡声用ス
ピーカ、(26)は受信回路(20)からの信号を前記
受話用スピーカ(22)又は拡声用スピーカ(24)の
いずれか一方に導くスピーカ切換回路である。(27)
は前記送信回路(21)に接続されたマイクロホンであ
る。尚、前記拡声用スピーカ(24)とマイクロホン
(27)との組合せで、ハンズフリー通話が行なえる。
(28)はテンキー(29)、通話キー(30)、切キ
ー(31)、ハンズフリーキー(32)を含むキー回
路、(33)はマイクロプロセッサから構成された制御
回路で、子機(2)全体の制御を行なうものである。
FIG. 2 shows a block diagram of the slave unit (2).
(20) a receiving circuit for receiving a signal from the base unit (1);
(21) is a transmission circuit for transmitting a signal to the parent device (1). (22) is a receiving speaker connected to the amplifier (23), (24) is a loudspeaker connected to the amplifier (25), and (26) is a signal from the receiving circuit (20). 22) or a speaker switching circuit for leading to one of the loudspeakers (24). (27)
Is a microphone connected to the transmission circuit (21). Note that a hands-free call can be made by a combination of the loudspeaker (24) and the microphone (27).
(28) is a key circuit including a numeric keypad (29), a call key (30), an off key (31) and a hands-free key (32), and (33) is a control circuit composed of a microprocessor. ) The entire control is performed.

【0014】次に上記構成における動作を説明する。Next, the operation of the above configuration will be described.

【0015】まず、外線からの着信に対して、ハンドセ
ット(6)をオフフックすると、主制御回路(19)は
音声経路切換回路(18)を制御してハンドセット
(6)とネットワーク回路(5)を接続する。
First, when the handset (6) is off-hook in response to an incoming call from an outside line, the main control circuit (19) controls the voice path switching circuit (18) to connect the handset (6) and the network circuit (5). Connecting.

【0016】又、親機(1)側のハンズフリーキー(1
7)が操作され、これを主制御回路(19)が検出する
と、この主制御回路(19)は、音声経路切換回路(1
8)を制御して拡声用スピーカ(7)及びマイクロホン
(8)、ハンズフリー回路(9)、ネットワーク回路
(5)の夫々をこの順序で接続する。これにより、親機
(1)側でのハンズフリー通話が行なえる。尚、再度ハ
ンズフリーキー(17)を操作すると、主制御回路(1
9)は上記接続を解除し、回線を解放するので、通話を
終了することができる。
The hands-free key (1) on the master unit (1) side
7) is operated, and when the main control circuit (19) detects this, the main control circuit (19) turns on the audio path switching circuit (1).
8) is controlled to connect the loudspeaker (7), the microphone (8), the hands-free circuit (9), and the network circuit (5) in this order. This allows hands-free communication on the master unit (1). When the hands-free key (17) is operated again, the main control circuit (1) is operated.
9) releases the connection and releases the line, so that the call can be ended.

【0017】次に、外線からの着信に対して、子機
(2)の通話キー(30)が操作され、これを制御回路
(33)が検出すると、この制御回路(33)は着信応
答信号を送信すると共に受話用スピーカ(22)側とな
るようスピーカ切換回路(26)を制御する。この着信
応答信号を受信した親機(1)の主制御回路(19)は
音声経路切換回路(18)を制御して受信回路(3)及
び送信回路(4)、ネットワーク回路(5)を接続す
る。尚、切キー(31)が操作されると、子機(2)の
制御回路(33)は切信号を親機(1)に送信し、これ
を受信した親機(1)の主制御回路(19)は上記接続
を解除し、回線を解放するので、通話を終了することが
できる。
Next, when a call key (30) of the slave unit (2) is operated in response to an incoming call from an outside line and the control circuit (33) detects this, the control circuit (33) detects an incoming response signal. And the speaker switching circuit (26) is controlled to be on the side of the receiving speaker (22). The main control circuit (19) of the master unit (1) that has received the incoming response signal controls the voice path switching circuit (18) to connect the receiving circuit (3), the transmitting circuit (4), and the network circuit (5). I do. When the off key (31) is operated, the control circuit (33) of the slave unit (2) transmits an off signal to the master unit (1), and receives a main control circuit of the master unit (1). (19) releases the connection and releases the line, so that the call can be ended.

【0018】又、子機(2)のハンズフリーキー(3
2)が操作され、これを制御回路(33)が検出する
と、この制御回路(33)はハンズフリー信号を送信す
ると共に拡声用スピーカ(24)側となるようスピーカ
切換回路(26)を制御する。このハンズフリー信号を
受信した親機(1)の主制御回路(19)は、音声経路
切換回路(18)を制御して、受信回路(3)及び送信
回路(4)、ハンズフリー回路(9)、ネットワーク回
路(5)を接続する。これにより、子機(2)において
ハンズフリー通話を行なうことができる。尚、前述した
と同様に、切キー(31)が操作されると、子機(2)
の制御回路(33)は切信号を親機(1)に送信し、こ
れを受信した親機(1)の主制御回路(19)は上記接
続を解除し、回線を解放するので通話を終了することが
できる。
The hands-free key (3) of the handset (2)
When 2) is operated and this is detected by the control circuit (33), this control circuit (33) transmits a hands-free signal and controls the speaker switching circuit (26) so as to be on the side of the loudspeaker (24). . The main control circuit (19) of the master unit (1) that has received the hands-free signal controls the audio path switching circuit (18) to control the reception circuit (3), the transmission circuit (4), and the hands-free circuit (9). ), Connect the network circuit (5). Thereby, hands-free communication can be performed in the handset (2). As described above, when the off key (31) is operated, the slave unit (2) is operated.
The control circuit (33) transmits a disconnect signal to the master unit (1), and upon receiving this signal, the main control circuit (19) of the master unit (1) releases the connection and releases the line, thus ending the call. can do.

【0019】[0019]

【発明の効果】本発明は、上記のように、子機にハンズ
フリー手段を設けなくとも、親機のハンズフリー手段に
より親機及び子機の両者でハンズフリー通話を行なうこ
とができるものであるから、このように子機にハンズフ
リー通話機能を設けた場合でも子機の大型化を招くこと
がない。
As described above, according to the present invention, it is possible to perform a hands-free call between the master unit and the slave unit by the hands-free unit of the master unit without providing the hands-free unit in the slave unit. Therefore, even when the hands-free communication function is provided in the handset as described above, the size of the handset does not increase.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のコードレス電話装置の親機のブロック
図である。
FIG. 1 is a block diagram of a base unit of a cordless telephone device according to the present invention.

【図2】同じく、子機のブロック図である。FIG. 2 is a block diagram of the child device.

【符号の説明】[Explanation of symbols]

1 親機 2 子機 7 拡声用スピーカ 8 マイクロホン 9 ハンズフリー回路 18 音声経路切換回路 19 主制御回路 24 拡声用スピーカ 33 制御回路 REFERENCE SIGNS LIST 1 master unit 2 slave unit 7 speaker for loudspeaker 8 microphone 9 hands-free circuit 18 voice path switching circuit 19 main control circuit 24 speaker for loudspeaker 33 control circuit

───────────────────────────────────────────────────── フロントページの続き (72)発明者 加藤 浩司 鳥取県鳥取市南吉方3丁目201番地 鳥 取三洋電機株式会社内 (58)調査した分野(Int.Cl.7,DB名) H04M 1/02 - 1/23 H04M 1/58 - 1/62 H04M 1/66 - 1/78 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Koji Kato 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (58) Field surveyed (Int.Cl. 7 , DB name) H04M 1 / 02-1/23 H04M 1/58-1/62 H04M 1/66-1/78

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 電話回線に接続された送受信機を有する
親機と、該親機と無線で接続される子機とを有し、前記
子機が前記親機を介して電話回線に接続されるコードレ
ス電話装置において、前記子機に、マイクロホンから入
力された信号を送話信号として送出する手段と、受信し
た受話信号を拡声用スピーカに出力する手段と、ハンズ
フリー信号を送出する手段とを設け、前記親機に、送話
信号と受話信号を比較して送話信号或いは受話信号を減
衰するハンズフリー手段と、該ハンズフリー手段を前記
送受信機或いはマイクロホン及び拡声用スピーカに選択
的に接続する手段と、前記子機のハンズフリー信号を受
信したとき、前記ハンズフリー手段と前記送受信機が接
続されるよう前記接続手段を制御する手段とを設けたこ
とを特徴とするコードレス電話装置。
1. A master unit having a transceiver connected to a telephone line, and a slave unit wirelessly connected to the master unit, wherein the slave unit is connected to a telephone line via the master unit. In the cordless telephone device, a means for transmitting a signal input from a microphone as a transmission signal to the slave unit, a means for outputting a received reception signal to a loud speaker, and a means for transmitting a hands-free signal are provided. A hands-free means for comparing the transmission signal and the reception signal to attenuate the transmission signal or the reception signal, and selectively connecting the hands-free means to the transceiver or the microphone and the speaker for loudspeaker; And a means for controlling the connection means so that the hands-free means and the transceiver are connected when a hands-free signal of the slave unit is received. Dress phone equipment.
JP23489691A 1991-09-13 1991-09-13 Cordless telephone equipment Expired - Fee Related JP3081296B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23489691A JP3081296B2 (en) 1991-09-13 1991-09-13 Cordless telephone equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23489691A JP3081296B2 (en) 1991-09-13 1991-09-13 Cordless telephone equipment

Publications (2)

Publication Number Publication Date
JPH0575684A JPH0575684A (en) 1993-03-26
JP3081296B2 true JP3081296B2 (en) 2000-08-28

Family

ID=16978006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23489691A Expired - Fee Related JP3081296B2 (en) 1991-09-13 1991-09-13 Cordless telephone equipment

Country Status (1)

Country Link
JP (1) JP3081296B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103080631A (en) * 2011-01-14 2013-05-01 松下电器产业株式会社 Lamp and illumination device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145466A (en) * 1991-11-22 1993-06-11 Matsushita Electric Ind Co Ltd Cordless telephone set
JP3795671B2 (en) * 1998-05-29 2006-07-12 旭硝子エスアイテック株式会社 Cosmetics containing silica-metal oxide fine particle composite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103080631A (en) * 2011-01-14 2013-05-01 松下电器产业株式会社 Lamp and illumination device

Also Published As

Publication number Publication date
JPH0575684A (en) 1993-03-26

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