PATENT CLAIM ANALYSIS

Application Number: 16019976
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-10
Patent Classification: ["399", "071000"]

Abstract:
An image forming apparatus includes a discharging device for discharging the drum at a discharging portion opposing the surface of the drum; and a control unit for executing, during non-image formation, a cleaning operation for transferring the toner deposited on the transfer member onto the drum by applying a voltage from transfer voltage source to the transfer member. The control unit does not effect discharge by the discharging device for at least a region of the drum where a transfer voltage for transferring a normal-polarity toner of the toner deposited on the transfer member onto the drum is applied to the transfer member in the cleaning operation, and then passes the region of the drum through the charging portion in a state in which a voltage larger than a surface potential of the drum in a normal polarity side is applied to the charging member.

Claim (Index 15):
An image forming apparatus including a rotatable image bearing member, a charging member for electrically charging said image bearing member at a charging portion in contact with said image bearing member by being supplied with a charging voltage from a charging voltage source, a developing member for forming a toner image at a developing portion opposing said image bearing member by being supplied with a developing voltage from a developing voltage source thereby to supply a toner charged to a normal polarity to said image bearing member, and a transfer member for transferring the toner image from said image bearing member onto the toner image receiving member at a transfer portion opposing said image bearing member by being supplied with a transfer voltage from a transfer voltage source, wherein said image forming apparatus is capable of collecting the toner remaining on said image bearing member after transfer portion by said developing member, said image forming apparatus comprising:\n a control unit for executing, during non-image formation, a cleaning operation for transferring the toner deposited on said transfer member onto said image bearing member by applying the transfer voltage from transfer voltage source to said transfer member, wherein in the cleaning operation of said transfer member, said control unit controls the charging voltage source so that a value of a voltage applied to said charging member for forming a surface potential on a region of said image bearing member which passes through the transfer portion in a state that the transfer voltage for moving a toner, charged to a polarity opposite to the normal polarity, of the toner deposited on said transfer member to the surface of said image bearing member is applied is a value of a voltage applied to said charging member during image formation.

Metadata:
- Claim Count in Document: 41.0
- Percentile: 94.0
- Lexical Diversity: 2.32308
- Patent Class: 399.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15285592', '14849789', '11758954', '12887574', '15260619']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8433605495994059
- 35 USC 102 Novelty (BERT): 0.5296245512145304
- Combined Prediction Score: 0.8119869497609183
- Mean Citation Score: 330.2726600000001
- Max Citation Score: 384.26917
- Similarity Product: 379.4032127024269

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test