JPH0279647U - - Google Patents
Info
- Publication number
- JPH0279647U JPH0279647U JP16003788U JP16003788U JPH0279647U JP H0279647 U JPH0279647 U JP H0279647U JP 16003788 U JP16003788 U JP 16003788U JP 16003788 U JP16003788 U JP 16003788U JP H0279647 U JPH0279647 U JP H0279647U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- detection unit
- audio device
- handset
- detached
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Description
第１図及び第２図は本考案になる電話機付音響
装置の第１実施例及び第２実施例のそれぞれの要
部を示す図である。
１，１ａ……音響装置、２，２ａ……電話機、
３……入力端子、４……スピーカ、５……出力端
子、６……リレースイツチ（遮断部）、７……ハ
ンドセツト、８……スイツチ（検出部）、９……
呼出しベル、１０……リンガー回路、１１……ス
ピーチネツトワーク回路、１２……ブリツジ回路
、１３……スピーカ駆動信号出力端子、１４……
増幅器（アンプ）、１５……ミユート信号出力端
子、１６……ミユート信号入力端子、１７……ミ
ユート用ＮＰＮトランジスタ（遮断部）。
FIGS. 1 and 2 are diagrams showing the main parts of a first embodiment and a second embodiment of the telephone-equipped audio device according to the present invention, respectively. 1, 1a...Sound device, 2, 2a...Telephone,
3...Input terminal, 4...Speaker, 5...Output terminal, 6...Relay switch (blocking section), 7...Handset, 8...Switch (detection section), 9...
Calling bell, 10... Ringer circuit, 11... Speech network circuit, 12... Bridge circuit, 13... Speaker drive signal output terminal, 14...
Amplifier (amplifier), 15... Mute signal output terminal, 16... Mute signal input terminal, 17... NPN transistor for Mute (blocking section).
Claims (1)
態を検出する検出部と、 その検出部から供給される制御信号により音響
装置側の音声出力信号を遮断する遮断部とを設け
たことを特徴とする電話機付音響装置。[Scope of Claim for Utility Model Registration] A detection unit that detects whether the handset of the telephone is attached to or detached from the main body of the telephone, and a cutoff unit that blocks the audio output signal from the audio device in response to a control signal supplied from the detection unit. An audio device with a telephone set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16003788U JPH0279647U (en) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16003788U JPH0279647U (en) | 1988-12-09 | 1988-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279647U true JPH0279647U (en) | 1990-06-19 |
Family
ID=31441758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16003788U Pending JPH0279647U (en) | 1988-12-09 | 1988-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279647U (en) |
-
1988
- 1988-12-09 JP JP16003788U patent/JPH0279647U/ja active Pending
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