JPS5520067A - Power control circuit for television picture receiver - Google Patents

Power control circuit for television picture receiver

Info

Publication number
JPS5520067A
JPS5520067A JP9343078A JP9343078A JPS5520067A JP S5520067 A JPS5520067 A JP S5520067A JP 9343078 A JP9343078 A JP 9343078A JP 9343078 A JP9343078 A JP 9343078A JP S5520067 A JPS5520067 A JP S5520067A
Authority
JP
Japan
Prior art keywords
voltage
circuit
load
charge
detection
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
Application number
JP9343078A
Other languages
Japanese (ja)
Other versions
JPS6142906B2 (en
Inventor
Minoru Yuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9343078A priority Critical patent/JPS5520067A/en
Publication of JPS5520067A publication Critical patent/JPS5520067A/en
Publication of JPS6142906B2 publication Critical patent/JPS6142906B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE:To reduce the power loss as well as to ensure the steady operation of the load by turning off the switch circuit through detection of the fact that the charge voltage of the capacitor becomes lower than the rectification output voltage of the flyback transformer. CONSTITUTION:Output voltage V11 obtained through rectification of the commercial AC power source is charged by capacitor C1, and the change voltage detection circuit in control circuit 25 detects the fact that the charge voltage has reached the fixed level. With the detection signal of the charge detection circuit, switch circuit 22 supplies the charge voltage of C1 to the load. Here in case the charge voltage of C1 becomes lower than voltage V22 of terminal 24 which rectified the output horizontal pulse supplied from the flyback transformer, the detection circuit in circuit 25 detects this to turn off circuit 22 as well as supply voltage V22 to the load via output terminal 23. Thus the power loss can be reduced, ensuring the steady operation of the load.
JP9343078A 1978-07-31 1978-07-31 Power control circuit for television picture receiver Granted JPS5520067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9343078A JPS5520067A (en) 1978-07-31 1978-07-31 Power control circuit for television picture receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9343078A JPS5520067A (en) 1978-07-31 1978-07-31 Power control circuit for television picture receiver

Publications (2)

Publication Number Publication Date
JPS5520067A true JPS5520067A (en) 1980-02-13
JPS6142906B2 JPS6142906B2 (en) 1986-09-24

Family

ID=14082083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9343078A Granted JPS5520067A (en) 1978-07-31 1978-07-31 Power control circuit for television picture receiver

Country Status (1)

Country Link
JP (1) JPS5520067A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859344A (en) * 1981-10-05 1983-04-08 Toyota Motor Corp Variable venturi type carburettor
JPS5879376A (en) * 1981-11-06 1983-05-13 Matsushita Electric Ind Co Ltd Power supply circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859344A (en) * 1981-10-05 1983-04-08 Toyota Motor Corp Variable venturi type carburettor
JPH0228706B2 (en) * 1981-10-05 1990-06-26 Toyota Motor Co Ltd
JPS5879376A (en) * 1981-11-06 1983-05-13 Matsushita Electric Ind Co Ltd Power supply circuit

Also Published As

Publication number Publication date
JPS6142906B2 (en) 1986-09-24

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