JPS52109329A - Brightness controlling circuit - Google Patents

Brightness controlling circuit

Info

Publication number
JPS52109329A
JPS52109329A JP2650676A JP2650676A JPS52109329A JP S52109329 A JPS52109329 A JP S52109329A JP 2650676 A JP2650676 A JP 2650676A JP 2650676 A JP2650676 A JP 2650676A JP S52109329 A JPS52109329 A JP S52109329A
Authority
JP
Japan
Prior art keywords
controlling circuit
brightness controlling
focuss
electrod
photoelectric
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
JP2650676A
Other languages
Japanese (ja)
Inventor
Mikio Isoda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2650676A priority Critical patent/JPS52109329A/en
Publication of JPS52109329A publication Critical patent/JPS52109329A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a control circuit to perform good brightness control by making it automatically adjust focuss voltage in accordance with electrod current utilizing a light emitting diode and a photoelectric resistant element in a horizontal output circuit in a TV receiver.
COPYRIGHT: (C)1977,JPO&Japio
JP2650676A 1976-03-10 1976-03-10 Brightness controlling circuit Pending JPS52109329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2650676A JPS52109329A (en) 1976-03-10 1976-03-10 Brightness controlling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2650676A JPS52109329A (en) 1976-03-10 1976-03-10 Brightness controlling circuit

Publications (1)

Publication Number Publication Date
JPS52109329A true JPS52109329A (en) 1977-09-13

Family

ID=12195358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2650676A Pending JPS52109329A (en) 1976-03-10 1976-03-10 Brightness controlling circuit

Country Status (1)

Country Link
JP (1) JPS52109329A (en)

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