Electric heating – Heating devices – Combined with diverse-type art device
Patent
1983-03-03
1985-12-03
Envall, Jr., Roy N.
Electric heating
Heating devices
Combined with diverse-type art device
219471, 219502, 432 60, 355 3FU, G03G 1500, G05D 2327, H05B 100
Patent
active
045567794
ABSTRACT:
A temperature control arrangement for a heat roller, which includes an infrared sensor unit disposed in the vicinity of the heat roller and including a pyroelectric infrared sensor, a chopper mechanism and a reference temperature measuring heat sensitive element, a set temperature signal generation circuit for the heat roller, a comparison circuit for comparing a temperature detection value of the heat roller as detected by the sensor unit with the set temperature signal from the set temperature signal generation circuit, and a control circuit for subjecting a heater element of the heat roller to on/off control based on a comparison signal of the comparison circuit.
REFERENCES:
patent: 3369106 (1968-02-01), Troll
patent: 3742191 (1973-06-01), Poole
patent: 3849628 (1974-11-01), Abowitz
patent: 4245143 (1981-01-01), Miura
Nikkei Electronics, 1980, 7.21, pp. 114 to 127.
Denshi Gijutsu (Electronic Technique), vol. 21, No. 2, pp. 41 to 46.
Denshi Tembo (Electronic Prospect), pp. 57 to 62.
Electronic Communication Society, Research Report, vol. 80, No. 34, ED80-27.
National Technical Report, vol. 26, No. 3, pp. 413 to 423.
Hashimoto Kaoru
Nagata Kenzo
Envall Jr. Roy N.
Minolta Camera Kabushiki Kaisha
Walberg Teresa J.
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