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.)
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.)
SHINSHIYUU SEIKI KK
Seiko Epson Corp
Suwa Seikosha KK
Epson Corp
Original Assignee
SHINSHIYUU SEIKI KK
Seiko Epson Corp
Suwa Seikosha KK
Epson 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 SHINSHIYUU SEIKI KK, Seiko Epson Corp, Suwa Seikosha KK, Epson CorpfiledCriticalSHINSHIYUU SEIKI KK
Priority to JP13484375ApriorityCriticalpatent/JPS5258449A/en
Publication of JPS5258449ApublicationCriticalpatent/JPS5258449A/en
PURPOSE: To make the control for thermal printer etc. effective by varying the period or pulse width according to the power input voltage by using a varistor in the time constant circuit.