JPH0419848U - - Google Patents
Info
- Publication number
- JPH0419848U JPH0419848U JP5829190U JP5829190U JPH0419848U JP H0419848 U JPH0419848 U JP H0419848U JP 5829190 U JP5829190 U JP 5829190U JP 5829190 U JP5829190 U JP 5829190U JP H0419848 U JPH0419848 U JP H0419848U
- Authority
- JP
- Japan
- Prior art keywords
- hold
- telephone
- audio signal
- comparison
- handset
- 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
- 230000005236 sound signal Effects 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案に係わる電話機の保留解除装
置の電気的構成を示すブロツク図である。
１……電話回線、３……送受話器（ハンドセツ
ト）、４……主マイクロフオン、６……副マイク
ロフオン、１１……コンパレータ、１２……制御
部、１３……保留ボタン、１４……保留音発生回
路。
FIG. 1 is a block diagram showing the electrical configuration of a telephone hold release device according to the present invention. 1...Telephone line, 3...Handset, 4...Main microphone, 6...Sub-microphone, 11...Comparator, 12...Control unit, 13...Hold button, 14...Hold Sound generation circuit.
Claims (1)
留され、保留音出力回路から、電話回線を通じて
相手側端末と本電話機のスピーカとにそれぞれ保
留音信号が送出されるように構成された電話機に
おいて、 送受話器の受話部に設けられた副マイクロフオ
ンと、 この副マイクロフオンからの音声信号レベルと
送受話器の送話部に設けられた主マイクロフオン
からの音声信号レベルとの比較を行う比較手段と
、 この比較手段での比較結果に基づき、両音声信
号レベルの差が予め設定された基準値以下である
ときには、電話機の保留状態を維持すると共に、
両音声信号レベルの差が基準値を越えたときには
、電話機の保留状態を解除する制御手段とを備え
たことを特徴とする電話機の保留解除装置。[Scope of Utility Model Registration Claim] When the hold operation unit is operated during a call, the call is temporarily put on hold, and the hold tone output circuit sends a hold tone signal to the other party's terminal and the speaker of the telephone through the telephone line, respectively. In a telephone configured as follows, there is a submicrophone installed in the receiver of the handset, and an audio signal level from the submicrophone and an audio signal level from the main microphone provided in the transmitter of the handset. and a comparison means for making a comparison between the two audio signals, and, based on the comparison result of the comparison means, when the difference between the two audio signal levels is less than a preset reference value, maintains the telephone on hold and maintains the telephone on hold.
1. A telephone hold release device comprising: control means for releasing the telephone from a hold state when the difference between both audio signal levels exceeds a reference value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5829190U JPH0419848U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5829190U JPH0419848U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419848U true JPH0419848U (en) | 1992-02-19 |
Family
ID=31583769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5829190U Pending JPH0419848U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011015302A (en) * | 2009-07-03 | 2011-01-20 | Nakayo Telecommun Inc | Telephone apparatus |
-
1990
- 1990-05-31 JP JP5829190U patent/JPH0419848U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011015302A (en) * | 2009-07-03 | 2011-01-20 | Nakayo Telecommun Inc | Telephone apparatus |
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