JPH01107249U - - Google Patents
Info
- Publication number
- JPH01107249U JPH01107249U JP286188U JP286188U JPH01107249U JP H01107249 U JPH01107249 U JP H01107249U JP 286188 U JP286188 U JP 286188U JP 286188 U JP286188 U JP 286188U JP H01107249 U JPH01107249 U JP H01107249U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- telephone
- dialer
- circuit
- switching circuit
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の電話機装置の代表的な一実
施例の構成を示す図、第２図ａ、第２図ｂは同、
充電回路の具体的な構成を示す図、第３図は同、
各部の電圧波形を示す図、第４図は従来の電話機
装置の構成を示す図である。
図中、１ａ，１ｂは電話回線、３はスイツチン
グ回路、４はダイアラ、５は通話回路、５ａは電
源端子、６は充電回路、Ｃは平滑用コンデンサ、
Ｒは電源供給用抵抗である。
Figure 1 is a diagram showing the configuration of a typical embodiment of the telephone device of this invention, Figures 2a and 2b are the same,
Figure 3 is a diagram showing the specific configuration of the charging circuit.
FIG. 4 is a diagram showing the voltage waveforms of various parts, and FIG. 4 is a diagram showing the configuration of a conventional telephone device. In the figure, 1a and 1b are telephone lines, 3 is a switching circuit, 4 is a dialer, 5 is a communication circuit, 5a is a power supply terminal, 6 is a charging circuit, C is a smoothing capacitor,
R is a power supply resistor.
Claims (1)
アラ４に電話回線１ａ，１ｂからスイツチング回
路３を介して電源を供給し、この電源を電源供給
用抵抗Ｒを介して上記通話回路５の電源端子５ａ
に供給するとともに、この電源端子５ａを平滑用
コンデンサＣを介して接地し、かつ、上記ダイア
ラ４のダイアルパルス信号を上記スイツチング回
路３を介して上記電話回線１ａ，１ｂへ送出する
ように構成した電話機装置において、上記スイツ
チング回路３と、上記平滑用コンデンサＣと電源
供給用抵抗Ｒの接続点との間であつて、この電源
供給用抵抗Ｒと並列に充電回路６を接続したこと
を特徴とする電話機装置。 The dialer 4 is equipped with a dialer 4 and a telephone call circuit 5, and power is supplied to the dialer 4 from telephone lines 1a and 1b via a switching circuit 3, and this power is supplied to the power supply terminal of the telephone circuit 5 through a power supply resistor R. 5a
The power supply terminal 5a is grounded via a smoothing capacitor C, and the dial pulse signal of the dialer 4 is sent to the telephone lines 1a and 1b via the switching circuit 3. The telephone device is characterized in that a charging circuit 6 is connected in parallel with the power supply resistor R between the switching circuit 3 and the connection point of the smoothing capacitor C and the power supply resistor R. telephone equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988002861U JP2538927Y2 (en) | 1988-01-12 | 1988-01-12 | Telephone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988002861U JP2538927Y2 (en) | 1988-01-12 | 1988-01-12 | Telephone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01107249U true JPH01107249U (en) | 1989-07-19 |
| JP2538927Y2 JP2538927Y2 (en) | 1997-06-18 |
Family
ID=31204000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988002861U Expired - Lifetime JP2538927Y2 (en) | 1988-01-12 | 1988-01-12 | Telephone device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538927Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5981283U (en) * | 1982-11-20 | 1984-06-01 | 三菱電機株式会社 | Smooth circuit heat generation prevention device |
| JPS609363A (en) * | 1983-06-29 | 1985-01-18 | Nec Home Electronics Ltd | Power source circuit |
| JPS6125051U (en) * | 1984-07-16 | 1986-02-14 | 富士通株式会社 | Backup power supply circuit |
| JPS62278856A (en) * | 1986-05-27 | 1987-12-03 | Nec Corp | Telephone set circuit |
-
1988
- 1988-01-12 JP JP1988002861U patent/JP2538927Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5981283U (en) * | 1982-11-20 | 1984-06-01 | 三菱電機株式会社 | Smooth circuit heat generation prevention device |
| JPS609363A (en) * | 1983-06-29 | 1985-01-18 | Nec Home Electronics Ltd | Power source circuit |
| JPS6125051U (en) * | 1984-07-16 | 1986-02-14 | 富士通株式会社 | Backup power supply circuit |
| JPS62278856A (en) * | 1986-05-27 | 1987-12-03 | Nec Corp | Telephone set circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2538927Y2 (en) | 1997-06-18 |
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