JPS5850546U

JPS5850546U - melody phone

Info

Publication number: JPS5850546U
Application number: JP14487381U
Authority: JP
Inventors: 関戸　俊郎
Original assignee: 株式会社日興電機製作所
Priority date: 1981-09-29
Filing date: 1981-09-29
Publication date: 1983-04-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、現用の標準的電話機内の構成を例示する回路
図であって、図中の点線部分は、本考案による改良個所
を示し、第２図は、第１図に点線で示した改良個所を更
に詳細に示す結線図である。１．２・・・送話器回路、３・・・直流電源、４・・・
スピーカ、５・・・メロディ選択スイッチ、６・・・メ
ロディ送出トランス、７・・・トランス−次側、８・・
・トランスニ次側、１０・・・メロディＩＣ，ＩＱ’・
・・メロディ発生装置、１１・・・コンデンサ、２０・
・・切換スイッチ、Ｔ・・・送話器、Ｌ□、Ｂ２・・・
通話回路。FIG. 1 is a circuit diagram illustrating the internal configuration of a standard telephone currently in use, and the dotted line portions in the figure indicate improvements made by the present invention. FIG. 3 is a wiring diagram showing improved parts in more detail. 1.2... Transmitter circuit, 3... DC power supply, 4...
Speaker, 5...Melody selection switch, 6...Melody sending transformer, 7...Transformer-next side, 8...
・Transni next side, 10...Melody IC, IQ'・
...Melody generator, 11...Capacitor, 20.
...Choice switch, T...Telephone, L□, B2...
call circuit.

Claims

[Scope of Claim for Utility Model Registration] 1. A melody telephone that can send a melody to the other party's handset when interrupting a telephone call and making the other party wait, the telephone having ring bell terminals B1 and B2 of the telephone. a melody generating device 10' connected in parallel with the calling bell B between the two; a manual changeover switch 20 for cutting off the transmitter circuit in a direct current manner to substantially abort the transmitting function of the telephone; A melody telephone characterized in that it has the melody generator power switch b and the speaker O switch 'C, which are connected and disconnected respectively in conjunction with the DC cutoff operation and reverse operation of the changeover switch 20. 2 The melody generating device 10' includes a melody ICIQ that stores a plurality of melodies, and a melody output circuit 7.
The melody telephone according to claim 1, wherein the melody output circuit has a secondary circuit connected to the calling bell terminal B1 and the bird via a transformer 6. 3. A utility model registration claim, wherein a switch d is provided in the secondary circuit of the melody output circuit, and the switch d is connected and disconnected in conjunction with the DC cutoff operation and its opposite operation of the changeover switch 20. The melody telephone set according to item 1 or 2, wherein at least one of the terminals connected to the ringing bell terminals B□ and B2 of the secondary circuit of the melody output circuit is connected to the hook switch of the transmitter. Transmitter side B' 1 or B
Claims 1i to 3 of claims for utility model registration connected to /,
Melody telephone to any of the sections.