JPS61104659U - - Google Patents
Info
- Publication number
- JPS61104659U JPS61104659U JP18893884U JP18893884U JPS61104659U JP S61104659 U JPS61104659 U JP S61104659U JP 18893884 U JP18893884 U JP 18893884U JP 18893884 U JP18893884 U JP 18893884U JP S61104659 U JPS61104659 U JP S61104659U
- Authority
- JP
- Japan
- Prior art keywords
- melody signal
- signal sending
- circuit
- telephone
- transmitting
- 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 4
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Description
第１図は本考案の第１の実施例の回路構成図、
第２図は本考案の第２の実施例の回路構成図、第
３図は本考案の第３の実施例の回路構成図、第４
図は従来の電話装置の回路構成図。
２……メロデイ信号送出回路、３……極性一致
ダイオードブリツジ、４……電子化通話回路網、
ＳＷ１，ＳＷ２，ＳＷ３，ＳＷ４……メロデイ信
号送出用ボタンスイツチ、ＨＳ……フツクスイツ
チ、Ｒ２，Ｒ３，Ｒ５……抵抗器、ＬＥＤ……表
示器、Ａ３……電力増幅器、ＬＳ……スピーカ、
ＶＲ……音量調節用可変抵抗器、Ｃ２，Ｃ３……
結合コンデンサ、Ｍ……送話器、Ｒ……受話器、
Ｌ１，Ｌ２……電話回線端子。
FIG. 1 is a circuit diagram of the first embodiment of the present invention;
FIG. 2 is a circuit diagram of the second embodiment of the present invention, FIG. 3 is a circuit diagram of the third embodiment of the present invention, and FIG.
The figure is a circuit configuration diagram of a conventional telephone device. 2...Melody signal sending circuit, 3...Polarity matching diode bridge, 4...Electronic communication circuit network,
SW1, SW2, SW3, SW4... Melody signal sending button switch, HS... Hook switch, R2, R3, R5... Resistor, LED... Display, A3... Power amplifier, LS... Speaker,
VR...Variable resistor for volume adjustment, C2, C3...
Coupling capacitor, M...transmitter, R...receiver,
L1, L2...Telephone line terminals.
Claims (1)
出する機能を有する電話回路において、 通話回路にホイートストーンブリツジによる電
子化通話回路網を設け、送話出力部にメロデイ信
号送出回路出力を接続するように構成したことを
特徴とするメロデイ信号送出機能を有する電話装
置。[Scope of Claim for Utility Model Registration] In a telephone circuit having the function of transmitting a melody signal to a subscriber on the other end of a call, the telephone circuit is provided with an electronic telephone communication network using a Wheatstone Bridge, and a transmitting output section is provided. 1. A telephone device having a melody signal sending function, characterized in that the melody signal sending circuit output is connected to the melody signal sending circuit output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893884U JPS61104659U (en) | 1984-12-14 | 1984-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893884U JPS61104659U (en) | 1984-12-14 | 1984-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61104659U true JPS61104659U (en) | 1986-07-03 |
Family
ID=30746400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18893884U Pending JPS61104659U (en) | 1984-12-14 | 1984-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104659U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748757B2 (en) * | 1974-05-15 | 1982-10-18 | ||
| JPS5816782A (en) * | 1981-07-24 | 1983-01-31 | Sumitomo Metal Ind Ltd | Production welded pipe |
-
1984
- 1984-12-14 JP JP18893884U patent/JPS61104659U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748757B2 (en) * | 1974-05-15 | 1982-10-18 | ||
| JPS5816782A (en) * | 1981-07-24 | 1983-01-31 | Sumitomo Metal Ind Ltd | Production welded pipe |
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