JPS58191747U - Cordless telephone power supply circuit - Google Patents

Cordless telephone power supply circuit

Info

Publication number
JPS58191747U
JPS58191747U JP1982089653U JP8965382U JPS58191747U JP S58191747 U JPS58191747 U JP S58191747U JP 1982089653 U JP1982089653 U JP 1982089653U JP 8965382 U JP8965382 U JP 8965382U JP S58191747 U JPS58191747 U JP S58191747U
Authority
JP
Japan
Prior art keywords
power supply
secondary battery
cordless telephone
supply circuit
charging terminal
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
Application number
JP1982089653U
Other languages
Japanese (ja)
Inventor
佐野　富茂
Original Assignee
三洋電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP1982089653U priority Critical patent/JPS58191747U/en
Publication of JPS58191747U publication Critical patent/JPS58191747U/en
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
  • Mobile Radio Communication Systems (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案のコードレス電話の電源供給回路゛を示す
。 主な図番の説明、１，２・・・電源端子、３親機、４・
・・子機、１５．１６・・・充電端子、１７・・・２次
電池、１８・・・モード切換スイッチ、１９．２０・・
・逆流阻止ダイオード、２２．２３・・・スイッチング
トランジスタ。The drawing shows a power supply circuit for a cordless telephone according to the present invention. Explanation of main drawing numbers, 1, 2...power terminal, 3 main unit, 4...
... Handset, 15.16... Charging terminal, 17... Secondary battery, 18... Mode changeover switch, 19.20...
- Reverse current blocking diode, 22.23...Switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電話回線及び交流電源ラインに結合された親機と、該親
機と無線にて交信可能となし、充電可能な２次電池が内
蔵された子機とより成り、前記親機に設けた第１の充電
端子と、前記子機に設けた第２の充電端子との接続時、
前記第２の充電端子に第１の逆流阻止ダイオード、充電
抵抗及び前記２次電池を直列接続し、前記２次電池にモ
ード切換スイッチを介して接続されたスイッチングトラ
ンジスタを、子機の送信回路に接続し、前記モード切換
スイッチを通話位置に設定した際、前記スイッチングト
ランジスタをオフになし、前記送信回路の電源を断つこ
とを特徴としたコードレス電話の電源供給回路。It consists of a base unit connected to a telephone line and an AC power line, and a slave unit that can communicate with the base unit wirelessly and has a built-in rechargeable secondary battery. When connecting the charging terminal of and a second charging terminal provided on the slave device,
A first reverse current blocking diode, a charging resistor, and the secondary battery are connected in series to the second charging terminal, and a switching transistor connected to the secondary battery via a mode changeover switch is connected to the transmitting circuit of the slave unit. 1. A power supply circuit for a cordless telephone, characterized in that when the mode selector switch is set to a talking position, the switching transistor is turned off and the power supply to the transmitting circuit is cut off.
JP1982089653U 1982-06-15 1982-06-15 Cordless telephone power supply circuit Pending JPS58191747U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982089653U JPS58191747U (en) 1982-06-15 1982-06-15 Cordless telephone power supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982089653U JPS58191747U (en) 1982-06-15 1982-06-15 Cordless telephone power supply circuit

Publications (1)

Publication Number Publication Date
JPS58191747U true JPS58191747U (en) 1983-12-20

Family

ID=30098252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982089653U Pending JPS58191747U (en) 1982-06-15 1982-06-15 Cordless telephone power supply circuit

Country Status (1)

Country Link
JP (1) JPS58191747U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177038A (en) * 1982-04-09 1983-10-17 Yuniden Kk Automatic communication waiting device of cordless telephone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177038A (en) * 1982-04-09 1983-10-17 Yuniden Kk Automatic communication waiting device of cordless telephone set

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