Claims
- 1. An image heating apparatus, comprising:
- a heater for heating an image on a recording material, said heater extending in a direction perpendicular to a moving direction of said recording material;
- a first temperature detecting element positioned within a passage area of a predetermined smallest recording material, for detecting the temperature of said heater;
- power control means for controlling electric power to said heater so that the temperature detected by said first temperature detecting element is maintained at a set temperature;
- a second temperature detecting element positioned outside a passage area of the predetermined smallest recording material, for detecting the temperature of said heater; and
- control means for controlling feeding of a recording material, said control means controlling expanding of a recording material feeding interval when the temperature detected by said second temperature detecting element reaches a first predetermined temperature, and interrupting feeding of the recording material when the temperature detected by said second temperature detecting element reaches a second predetermined temperatures, which is higher than the first predetermined temperature.
Priority Claims (4)
Number |
Date |
Country |
Kind |
3-243300 |
Sep 1991 |
JPX |
|
3-243301 |
Sep 1991 |
JPX |
|
3-243302 |
Sep 1991 |
JPX |
|
3-326351 |
Nov 1991 |
JPX |
|
Parent Case Info
This application is a continuation division, of application Ser. No. 07/949,229, filed Sep. 23, 1992, now abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (9)
Number |
Date |
Country |
0372479 |
Jun 1990 |
EPX |
426072 |
May 1991 |
EPX |
3917773 |
Dec 1989 |
DEX |
57-102676 |
Jun 1982 |
JPX |
57-211180 |
Mar 1983 |
JPX |
61-204668 |
Sep 1986 |
JPX |
61-201284 |
Sep 1986 |
JPX |
63-313182 |
Dec 1988 |
JPX |
2157878 |
Jun 1990 |
JPX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
949229 |
Sep 1992 |
|