JPS5239399A - Passive type display device - Google Patents

Passive type display device

Info

Publication number
JPS5239399A
JPS5239399A JP50115204A JP11520475A JPS5239399A JP S5239399 A JPS5239399 A JP S5239399A JP 50115204 A JP50115204 A JP 50115204A JP 11520475 A JP11520475 A JP 11520475A JP S5239399 A JPS5239399 A JP S5239399A
Authority
JP
Japan
Prior art keywords
display device
type display
passive type
light source
pulse
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
JP50115204A
Other languages
Japanese (ja)
Other versions
JPS5841518B2 (en
Inventor
Sadatsugu Miura
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP50115204A priority Critical patent/JPS5841518B2/en
Publication of JPS5239399A publication Critical patent/JPS5239399A/en
Publication of JPS5841518B2 publication Critical patent/JPS5841518B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: Light source of a passive type display device is pulse-driven by a specific frequency based on a direct-current power supply, whereby the color temperature of the light source is increased, the effect of display is improved and the reduction in power consumption is achieved.
COPYRIGHT: (C)1977,JPO&Japio
JP50115204A 1975-09-23 1975-09-23 Jyudougata Hiyoujisouchi Expired JPS5841518B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50115204A JPS5841518B2 (en) 1975-09-23 1975-09-23 Jyudougata Hiyoujisouchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50115204A JPS5841518B2 (en) 1975-09-23 1975-09-23 Jyudougata Hiyoujisouchi

Publications (2)

Publication Number Publication Date
JPS5239399A true JPS5239399A (en) 1977-03-26
JPS5841518B2 JPS5841518B2 (en) 1983-09-12

Family

ID=14656922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50115204A Expired JPS5841518B2 (en) 1975-09-23 1975-09-23 Jyudougata Hiyoujisouchi

Country Status (1)

Country Link
JP (1) JPS5841518B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452485A (en) * 1987-06-15 1989-02-28 Tari Ootomooteibu Prod Inc Porous propellant particle and its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452485A (en) * 1987-06-15 1989-02-28 Tari Ootomooteibu Prod Inc Porous propellant particle and its production

Also Published As

Publication number Publication date
JPS5841518B2 (en) 1983-09-12

Similar Documents

Publication Publication Date Title
JPS5421640A (en) High frequency heater
JPS5239399A (en) Passive type display device
JPS5220793A (en) Display purpose discharge lamp
JPS525568A (en) Driving method of indication
JPS5421743A (en) Image recording device
JPS5317090A (en) Electrochemical color emitting display device and its driving system
JPS5338249A (en) Crystal oscillator circuit
JPS5398730A (en) Input unit
JPS546583A (en) Power source display lamp circuit
JPS52156647A (en) Drive of display device
JPS5435781A (en) Timer device
JPS5438163A (en) Cover glass for watches
JPS51144595A (en) Display device
JPS52135438A (en) Heating range device
JPS5429520A (en) Drive system of bias light
JPS5338293A (en) Light emitting display device
JPS5298526A (en) Spray type super-quick treatment
JPS51118458A (en) Electrooptic cell
JPS522192A (en) Electrochemical display element
JPS5317091A (en) Electrochromic display
JPS53105193A (en) Display unit
JPS5224097A (en) Liquid crystal display
JPS5376694A (en) Electric field light emitting plate
JPS51144594A (en) Display device
JPS5314522A (en) Display control unit