JPS52150667A - Setting method of intensity modulation circuit of watches - Google Patents

Setting method of intensity modulation circuit of watches

Info

Publication number
JPS52150667A
JPS52150667A JP6909376A JP6909376A JPS52150667A JP S52150667 A JPS52150667 A JP S52150667A JP 6909376 A JP6909376 A JP 6909376A JP 6909376 A JP6909376 A JP 6909376A JP S52150667 A JPS52150667 A JP S52150667A
Authority
JP
Japan
Prior art keywords
intensity modulation
watches
modulation circuit
setting method
resistance
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
JP6909376A
Other languages
Japanese (ja)
Inventor
Hiroshi Yoshino
Kazuo Izumida
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo 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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP6909376A priority Critical patent/JPS52150667A/en
Publication of JPS52150667A publication Critical patent/JPS52150667A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE:To perform characteristic setting of intensity modulation and simplify constitution by varying a resistance in a system of connecting a photo transistor at both ends of the resistance.
JP6909376A 1976-06-09 1976-06-09 Setting method of intensity modulation circuit of watches Pending JPS52150667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6909376A JPS52150667A (en) 1976-06-09 1976-06-09 Setting method of intensity modulation circuit of watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6909376A JPS52150667A (en) 1976-06-09 1976-06-09 Setting method of intensity modulation circuit of watches

Publications (1)

Publication Number Publication Date
JPS52150667A true JPS52150667A (en) 1977-12-14

Family

ID=13392632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6909376A Pending JPS52150667A (en) 1976-06-09 1976-06-09 Setting method of intensity modulation circuit of watches

Country Status (1)

Country Link
JP (1) JPS52150667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210987A (en) * 1987-02-27 1988-09-01 キヤノン株式会社 Display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210987A (en) * 1987-02-27 1988-09-01 キヤノン株式会社 Display device

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