JPS5429631A - Brightness adjustment circuit - Google Patents

Brightness adjustment circuit

Info

Publication number
JPS5429631A
JPS5429631A JP9501277A JP9501277A JPS5429631A JP S5429631 A JPS5429631 A JP S5429631A JP 9501277 A JP9501277 A JP 9501277A JP 9501277 A JP9501277 A JP 9501277A JP S5429631 A JPS5429631 A JP S5429631A
Authority
JP
Japan
Prior art keywords
adjustment circuit
brightness adjustment
brightness
energizes
monolithic
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
JP9501277A
Other languages
Japanese (ja)
Inventor
Ryohei Saga
Yasuo Nagai
Original Assignee
Hitachi Ltd
Hitachi Tokyo Electronics 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 Hitachi Ltd, Hitachi Tokyo Electronics Co Ltd filed Critical Hitachi Ltd
Priority to JP9501277A priority Critical patent/JPS5429631A/en
Publication of JPS5429631A publication Critical patent/JPS5429631A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simplify the adjustment and facilitate the conversion of monolithic 1C by controlling the period of an electric current which energizes a light emission element so as to adjust the brightness.
COPYRIGHT: (C)1979,JPO&Japio
JP9501277A 1977-08-10 1977-08-10 Brightness adjustment circuit Pending JPS5429631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9501277A JPS5429631A (en) 1977-08-10 1977-08-10 Brightness adjustment circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9501277A JPS5429631A (en) 1977-08-10 1977-08-10 Brightness adjustment circuit

Publications (1)

Publication Number Publication Date
JPS5429631A true JPS5429631A (en) 1979-03-05

Family

ID=14126045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9501277A Pending JPS5429631A (en) 1977-08-10 1977-08-10 Brightness adjustment circuit

Country Status (1)

Country Link
JP (1) JPS5429631A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768286U (en) * 1980-10-13 1982-04-23
JPS609874U (en) * 1983-06-29 1985-01-23

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5158023A (en) * 1974-11-18 1976-05-21 Kokusai Electric Co Ltd Hyoojisochino kidokirikaehoshiki
JPS5236994A (en) * 1975-09-19 1977-03-22 Hitachi Ltd Phase modulation circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5158023A (en) * 1974-11-18 1976-05-21 Kokusai Electric Co Ltd Hyoojisochino kidokirikaehoshiki
JPS5236994A (en) * 1975-09-19 1977-03-22 Hitachi Ltd Phase modulation circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768286U (en) * 1980-10-13 1982-04-23
JPS609874U (en) * 1983-06-29 1985-01-23

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