JPS552960A - Digital display system - Google Patents

Digital display system

Info

Publication number
JPS552960A
JPS552960A JP7617078A JP7617078A JPS552960A JP S552960 A JPS552960 A JP S552960A JP 7617078 A JP7617078 A JP 7617078A JP 7617078 A JP7617078 A JP 7617078A JP S552960 A JPS552960 A JP S552960A
Authority
JP
Japan
Prior art keywords
duration
segment
elongated
afterimage
life
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
JP7617078A
Other languages
Japanese (ja)
Inventor
Toshikazu Naruse
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.)
Ricoh Elemex Corp
Ricoh Co Ltd
Original Assignee
Ricoh Elemex Corp
Ricoh 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 Ricoh Elemex Corp, Ricoh Co Ltd filed Critical Ricoh Elemex Corp
Priority to JP7617078A priority Critical patent/JPS552960A/en
Publication of JPS552960A publication Critical patent/JPS552960A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE: To make digital indication only during the periods excepting human eyes' afterimage duration so that life is elongated and reliability is raised.
CONSTITUTION: This electronic watch has four digits, which have a common electrode and a segment electrode and impress pulses on said both electrodes. A phase differential corresponding to the duration of hyman eyes' afterimage is given to the pulses to be applied on said common and segment electrodes. Life is elongated since segment impression duration becomes short.
COPYRIGHT: (C)1980,JPO&Japio
JP7617078A 1978-06-23 1978-06-23 Digital display system Pending JPS552960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7617078A JPS552960A (en) 1978-06-23 1978-06-23 Digital display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7617078A JPS552960A (en) 1978-06-23 1978-06-23 Digital display system

Publications (1)

Publication Number Publication Date
JPS552960A true JPS552960A (en) 1980-01-10

Family

ID=13597604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7617078A Pending JPS552960A (en) 1978-06-23 1978-06-23 Digital display system

Country Status (1)

Country Link
JP (1) JPS552960A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008144502A (en) * 2006-12-12 2008-06-26 Ｙｋｋ Ａｐ株式会社 Fittings
JP2009068251A (en) * 2007-09-13 2009-04-02 Shin Nikkei Co Ltd Window for pet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506356A (en) * 1973-05-15 1975-01-23
JPS5128794A (en) * 1974-09-04 1976-03-11 Citizen Watch Co Ltd DENKITEKIHYOJIKUDO KAIRO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506356A (en) * 1973-05-15 1975-01-23
JPS5128794A (en) * 1974-09-04 1976-03-11 Citizen Watch Co Ltd DENKITEKIHYOJIKUDO KAIRO

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008144502A (en) * 2006-12-12 2008-06-26 Ｙｋｋ Ａｐ株式会社 Fittings
JP2009068251A (en) * 2007-09-13 2009-04-02 Shin Nikkei Co Ltd Window for pet

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