Recorders – Thermal recording
Patent
1981-03-05
1982-11-23
Rubinson, G. Z.
Recorders
Thermal recording
219216, 400120, G01D 1510
Patent
active
043608191
ABSTRACT:
Disclosed is a thermal recording apparatus comprising: a plurality of aligned thermal resistive elements; a plurality of drive elements, each serially connected to the thermal resistive elements, for driving the thermal resistive elements; a DC power source connected in parallel with the thermal resistive elements and the drive elements and having a smaller current capacity than the necessary current to simultaneously drive all the thermal resistive elements; a capacitor having a large capacitance connected, in parallel, to the DC power source; a detecting means for detecting the voltage across the capacitor and comparing it with a predetermined voltage; and, a limiting means for limiting the number of the thermal resistive elements simultaneously driven when the detected voltage falls below the predetermined voltage.
REFERENCES:
patent: 3934695 (1976-01-01), Kovalick
patent: 4113391 (1978-09-01), Minowa
patent: 4168421 (1979-09-01), Ito
Fukumoto Yoshikatsu
Saito Tamio
Tagaya Kiyomi
Brady W. J.
Rubinson G. Z.
Tokyo Shibaura Denki Kabushiki Kaisha
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