US 12,135,515 B2
Image forming apparatus
Yasuhiro Shimura, Yokohama (JP); Yusuke Saito, Susono (JP); and Ryota Ogura, Numazu (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 25, 2023, as Appl. No. 18/358,142.
Application 18/358,142 is a continuation of application No. 17/682,217, filed on Feb. 28, 2022, granted, now 11,747,757.
Application 17/682,217 is a continuation of application No. 16/928,258, filed on Jul. 14, 2020, granted, now 11,294,310, issued on Apr. 5, 2022.
Application 16/928,258 is a continuation of application No. 16/680,926, filed on Nov. 12, 2019, granted, now 10,747,151, issued on Aug. 18, 2020.
Application 16/680,926 is a continuation of application No. PCT/JP2018/017376, filed on May 1, 2018.
Claims priority of application No. 2017-098262 (JP), filed on May 17, 2017; and application No. 2018-080851 (JP), filed on Apr. 19, 2018.
Prior Publication US 2023/0367243 A1, Nov. 16, 2023
Int. Cl. G03G 15/20 (2006.01); H05B 1/02 (2006.01); H05B 3/00 (2006.01); H05B 3/03 (2006.01); H05B 3/10 (2006.01)
CPC G03G 15/2039 (2013.01) [G03G 15/20 (2013.01); H05B 1/0241 (2013.01); H05B 3/00 (2013.01); H05B 3/03 (2013.01); H05B 3/10 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an image forming portion for forming an image on a recording material;
a fixing portion for fixing the image formed on the recording material to the recording material, the fixing portion includes a heater for heating the image;
a plurality of temperature sensing elements for sensing temperatures of the fixing portion;
a first central processing unit for controlling a power supplied to the heater in accordance with outputs from the plurality of temperature sensing elements, and
a second central processing unit for transmitting information according to outputs from the plurality of temperature sensing elements to the first central processing unit, the second central processing unit is electrically connected to the plurality of temperature sensing elements.