JPS543384A - Light adjusting apparatus - Google Patents

Light adjusting apparatus

Info

Publication number
JPS543384A
JPS543384A JP6768977A JP6768977A JPS543384A JP S543384 A JPS543384 A JP S543384A JP 6768977 A JP6768977 A JP 6768977A JP 6768977 A JP6768977 A JP 6768977A JP S543384 A JPS543384 A JP S543384A
Authority
JP
Japan
Prior art keywords
adjusting apparatus
light adjusting
preset
setting
digital signal
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
JP6768977A
Other languages
Japanese (ja)
Inventor
Naoyuki Ohara
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP6768977A priority Critical patent/JPS543384A/en
Publication of JPS543384A publication Critical patent/JPS543384A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

PURPOSE: To facilitate operation, by using a preset updown counter and setting an illumination level by digital signal of clock pulses.
COPYRIGHT: (C)1979,JPO&Japio
JP6768977A 1977-06-08 1977-06-08 Light adjusting apparatus Pending JPS543384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6768977A JPS543384A (en) 1977-06-08 1977-06-08 Light adjusting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6768977A JPS543384A (en) 1977-06-08 1977-06-08 Light adjusting apparatus

Publications (1)

Publication Number Publication Date
JPS543384A true JPS543384A (en) 1979-01-11

Family

ID=13352196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6768977A Pending JPS543384A (en) 1977-06-08 1977-06-08 Light adjusting apparatus

Country Status (1)

Country Link
JP (1) JPS543384A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794798A (en) * 1980-12-04 1982-06-12 Casio Computer Co Ltd Input system for electronic musical instrument
US4396871A (en) * 1980-03-03 1983-08-02 Klaus Scheuermann Arrangement for digital brightness control of lamps
JPS643990A (en) * 1987-06-25 1989-01-09 Matsushita Electric Works Ltd Light regulation device
JPH02148689A (en) * 1988-09-30 1990-06-07 Lutron Electronics Co Inc Dimming system
JPH0386595U (en) * 1989-12-25 1991-09-02

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396871A (en) * 1980-03-03 1983-08-02 Klaus Scheuermann Arrangement for digital brightness control of lamps
JPS5794798A (en) * 1980-12-04 1982-06-12 Casio Computer Co Ltd Input system for electronic musical instrument
JPS636877B2 (en) * 1980-12-04 1988-02-12 Casio Computer Co Ltd
JPS643990A (en) * 1987-06-25 1989-01-09 Matsushita Electric Works Ltd Light regulation device
JPH02148689A (en) * 1988-09-30 1990-06-07 Lutron Electronics Co Inc Dimming system
JPH0386595U (en) * 1989-12-25 1991-09-02

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