17872089. IMAGE FORMING APPARATUS simplified abstract (CANON KABUSHIKI KAISHA)

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IMAGE FORMING APPARATUS

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

Aoji Isono of Kanagawa (JP)

IMAGE FORMING APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17872089 titled 'IMAGE FORMING APPARATUS

Simplified Explanation

An image forming apparatus has been developed with an innovative feature to control the power supply to the heating portion of the fixing member. This is achieved by using a temperature detector and a reference voltage generator that changes with time.

  • The image forming apparatus includes a fixing member, a heating portion, a power source, a temperature detector, a controller, a reference voltage generator, and a breaker.
  • The fixing member is responsible for fixing the image onto the paper.
  • The heating portion heats the fixing member using electric power supplied by the power source.
  • The temperature detector measures the output voltage and provides feedback to the controller.
  • The controller controls the power supply to the heating portion based on the output voltage from the temperature detector.
  • The reference voltage generator generates a reference voltage that changes with time since the start of heating.
  • The breaker stops the power supply from the power source to the heating portion.

Potential applications of this technology:

  • This technology can be applied in various image forming apparatus such as printers, copiers, and multifunction devices.
  • It can improve the efficiency and performance of the image forming process.
  • The controlled power supply helps in maintaining the optimal temperature for fixing the image onto the paper.

Problems solved by this technology:

  • This technology solves the problem of overheating or underheating of the fixing member.
  • It ensures that the fixing member is heated to the correct temperature for proper image fixation.
  • The controlled power supply prevents damage to the image forming apparatus due to excessive heat.

Benefits of this technology:

  • Improved image quality and durability due to precise temperature control.
  • Energy efficiency as the power supply is optimized based on real-time feedback.
  • Extended lifespan of the image forming apparatus by preventing overheating and damage.


Original Abstract Submitted

An image forming apparatus includes a fixing member, a heating portion configured to heat the fixing member by being supplied with electric power, a power source configured to supply electric power to the heating portion, a temperature detector, a controller configured to control power supply from the power source to the heating portion based on the output voltage from the temperature detector, a reference voltage generator configured to generate a reference voltage, and a breaker configured to stop the power supply from the power source to the heating portion. The reference voltage generator is configured to output the reference voltage that changes with time having elapsed since a start of heating at which the power supply to the heating portion was started by the controller.

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