JPS5397882A - Electrochromic display for car speed - Google Patents

Electrochromic display for car speed

Info

Publication number
JPS5397882A
JPS5397882A JP1012077A JP1012077A JPS5397882A JP S5397882 A JPS5397882 A JP S5397882A JP 1012077 A JP1012077 A JP 1012077A JP 1012077 A JP1012077 A JP 1012077A JP S5397882 A JPS5397882 A JP S5397882A
Authority
JP
Japan
Prior art keywords
car speed
electrochromic display
displayer
speed
electrochromic
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
JP1012077A
Other languages
Japanese (ja)
Inventor
Hiroshi Nakauchi
Katsufumi Koyanagi
Yasuhiko Inami
Hisashi Kamiide
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP1012077A priority Critical patent/JPS5397882A/en
Priority to DE2804111A priority patent/DE2804111C2/en
Priority to GB3913/78A priority patent/GB1596566A/en
Publication of JPS5397882A publication Critical patent/JPS5397882A/en
Priority to US06/094,933 priority patent/US4295138A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)

Abstract

PURPOSE: To provede a speed displayer, which can enjoy high display quality even with bright surrounding light and which can enjoy wide field of view, by generating pulse signals corresponding to a car speed with the use of a signal generator and by coloring an electrochromic displayer with the use of a control circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP1012077A 1977-01-31 1977-01-31 Electrochromic display for car speed Pending JPS5397882A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1012077A JPS5397882A (en) 1977-01-31 1977-01-31 Electrochromic display for car speed
DE2804111A DE2804111C2 (en) 1977-01-31 1978-01-31 Circuit for controlling an electrochromic display device
GB3913/78A GB1596566A (en) 1977-01-31 1978-01-31 Method of and system for driving an electrochromic display
US06/094,933 US4295138A (en) 1977-01-31 1979-11-16 Combined constant potential and constant voltage driving technique for electrochromic displays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1012077A JPS5397882A (en) 1977-01-31 1977-01-31 Electrochromic display for car speed

Publications (1)

Publication Number Publication Date
JPS5397882A true JPS5397882A (en) 1978-08-26

Family

ID=11741427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1012077A Pending JPS5397882A (en) 1977-01-31 1977-01-31 Electrochromic display for car speed

Country Status (1)

Country Link
JP (1) JPS5397882A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724511U (en) * 1980-07-18 1982-02-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724511U (en) * 1980-07-18 1982-02-08

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