JPS5984947U - Power supply circuit for dial circuit with memory - Google Patents
Power supply circuit for dial circuit with memoryInfo
- Publication number
- JPS5984947U JPS5984947U JP17999282U JP17999282U JPS5984947U JP S5984947 U JPS5984947 U JP S5984947U JP 17999282 U JP17999282 U JP 17999282U JP 17999282 U JP17999282 U JP 17999282U JP S5984947 U JPS5984947 U JP S5984947U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- memory
- power supply
- dial
- voltage
- 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
Landscapes
- Devices For Supply Of Signal Current (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電源供給回路を説明するためのブロック
図、第２図は本皓案の一実施例を説明す 、るためのブ
ロック図である。
１．１′・・・局線端子、２・・・フックスイッチ、３
・・・極性一致回路、４・・・定電流回路、５・・・書
込モード設定回路、６・・・ダイヤル回路、７・・・電
池、８゜８ａ・・・ダイオード、９・・・ダイヤルパル
ススイッチ、１０・・・ミュートスイッチ、１１・・・
通話回路、１２、 ・・・スイッチ。 ゛FIG. 1 is a block diagram for explaining a conventional power supply circuit, and FIG. 2 is a block diagram for explaining an embodiment of the present proposal. 1.1'...Station line terminal, 2...Hook switch, 3
... Polarity matching circuit, 4... Constant current circuit, 5... Write mode setting circuit, 6... Dial circuit, 7... Battery, 8°8a... Diode, 9... Dial pulse switch, 10...Mute switch, 11...
Call circuit, 12, ... switch.゛
Claims (2)
所定電圧を発生する電池と、該電池が発生した所定電圧
を低下させる電圧降下素子と、メモリ付タイ、ヤル回路
に対し、オフフック時には前記定電流回路から電圧を印
加するように切換えられ、オンフック時であってメモリ
保持状態のときには前記電池の電圧を電圧降下素子を介
して印加するように切換えられ、オンフック時であって
メモリ書込動作状態のときには前記電池の電圧を直接印
加するように切換えられるスイッチとを具備しているこ
とを特徴とするメモリ付ダイヤル回路の電源供給回路。(1) A constant current circuit that generates a constant current based on the local power supply,
A battery that generates a predetermined voltage, a voltage drop element that lowers the predetermined voltage generated by the battery, and a tire circuit with memory are switched to apply voltage from the constant current circuit when off-hook, and when on-hook. When in the memory holding state, the voltage of the battery is switched to be applied through a voltage drop element, and when on-hook and in the memory write operation state, the voltage of the battery is switched to be applied directly. A power supply circuit for a dial circuit with memory, characterized in that it is equipped with a switch.
込動作を指示する回路をオンとする為の手動スイッチと
連動されていることを特徴とする実用新案登録請求の範
囲第（１）項記載のメモリ付ダイヤル回路の電源供給回
路。(2) Utility model registration claim (1) characterized in that the switch is interlocked with a manual switch for turning on a circuit for instructing a memory writing operation of a dial circuit with a memory. Power supply circuit for the dial circuit with memory described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17999282U JPS5984947U (en) | 1982-11-30 | 1982-11-30 | Power supply circuit for dial circuit with memory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17999282U JPS5984947U (en) | 1982-11-30 | 1982-11-30 | Power supply circuit for dial circuit with memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5984947U true JPS5984947U (en) | 1984-06-08 |
Family
ID=30390382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17999282U Pending JPS5984947U (en) | 1982-11-30 | 1982-11-30 | Power supply circuit for dial circuit with memory |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234693A (en) * | 1985-04-10 | 1986-10-18 | Matsushita Electric Ind Co Ltd | Telephone line terminal equipment |
| JPS61283264A (en) * | 1985-06-10 | 1986-12-13 | Tamura Electric Works Ltd | Memory dial telephone set |
| JPH0336859A (en) * | 1989-07-03 | 1991-02-18 | Rohm Co Ltd | Power supply circuit for telephone set |
-
1982
- 1982-11-30 JP JP17999282U patent/JPS5984947U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234693A (en) * | 1985-04-10 | 1986-10-18 | Matsushita Electric Ind Co Ltd | Telephone line terminal equipment |
| JPS61283264A (en) * | 1985-06-10 | 1986-12-13 | Tamura Electric Works Ltd | Memory dial telephone set |
| JPH0336859A (en) * | 1989-07-03 | 1991-02-18 | Rohm Co Ltd | Power supply circuit for telephone set |
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