JPH02147958U - - Google Patents
Info
- Publication number
- JPH02147958U JPH02147958U JP5574589U JP5574589U JPH02147958U JP H02147958 U JPH02147958 U JP H02147958U JP 5574589 U JP5574589 U JP 5574589U JP 5574589 U JP5574589 U JP 5574589U JP H02147958 U JPH02147958 U JP H02147958U
- Authority
- JP
- Japan
- Prior art keywords
- sidetone
- receiver
- control device
- addition control
- transmitter
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は他の実施例を示す回路図である。
１，２……デジタルボタン電話装置、３……主
装置、４……デジタル回線、５……デジタル内線
、１８……スイツチ、１７１〜１７８……抵抗、
１６１〜１６３……コンデンサ、３０３……側音
付加処理回路。
FIG. 1 is a circuit diagram showing one embodiment of this invention, and FIG. 2 is a circuit diagram showing another embodiment. 1, 2...Digital button telephone device, 3...Main device, 4...Digital line, 5...Digital extension, 18...Switch, 17 1 to 17 8 ...Resistor,
16 1 to 16 3 ... Capacitor, 30 3 ... Side tone addition processing circuit.
Claims (1)
て受話器に出力する側音付加制御装置において、 特定キーの操作に応じて側音の受話器への出力
量を制御する制御回路を備えたことを特徴とする
側音付加制御装置。[Scope of Claim for Utility Model Registration] In a sidetone addition control device that adds sidetone to a signal input to a transmitter and outputs it to a receiver, the sidetone is output to the receiver in response to the operation of a specific key. A side sound addition control device characterized by comprising a control circuit for controlling power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574589U JPH02147958U (en) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574589U JPH02147958U (en) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02147958U true JPH02147958U (en) | 1990-12-17 |
Family
ID=31578966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5574589U Pending JPH02147958U (en) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02147958U (en) |
-
1989
- 1989-05-17 JP JP5574589U patent/JPH02147958U/ja active Pending