| |
 |
|
Class Information
Number: 399/9
Name: Electrophotography > Diagnostics
Description: Subject matter wherein a means or method is provided for detecting or analyzing (a) a condition that is outside the normal operating condition or (b) a malfunction or potential malfunction of an electrophotographic device or component thereof.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4520354 |
Display device for copying apparatus |
May. 28, 1985 |
| 4510491 |
Display device for photocopiers |
Apr. 9, 1985 |
| 4477178 |
Image forming apparatus |
Oct. 16, 1984 |
| 4459673 |
Copier equipped with a system for transmitting information with voice |
Jul. 10, 1984 |
| 4435677 |
Rms voltage controller |
Mar. 6, 1984 |
| 4406987 |
Charge level sensor |
Sep. 27, 1983 |
| 4390872 |
Dot matrix condition display device for photocopiers |
Jun. 28, 1983 |
| 4390266 |
Exposure apparatus for electronic duplicator |
Jun. 28, 1983 |
| 4372672 |
Self-triggering quality control sensor |
Feb. 8, 1983 |
| 4359753 |
Maintaining Paschen breakdown voltage in electrographic printing |
Nov. 16, 1982 |
| 4358520 |
Method of stabilizing an electrostatic latent image |
Nov. 9, 1982 |
| 4275879 |
Abnormal feed condition-detecting apparatus for a printing device |
Jun. 30, 1981 |
| 4271436 |
Digital copying machine |
Jun. 2, 1981 |
| 4248526 |
Circuit for detecting door state in copying apparatus |
Feb. 3, 1981 |
| 4227798 |
Protection system for electrostatographic machines |
Oct. 14, 1980 |
| 4204725 |
Apparatus for detecting information stored on photocopying media, transmitting and storing the same |
May. 27, 1980 |
| 4202622 |
Digitally controlled image forming apparatus |
May. 13, 1980 |
| 4182568 |
Multiplexed electrostatic photocopier |
Jan. 8, 1980 |
| 4163897 |
Automatic copy recovery |
Aug. 7, 1979 |
| 4111151 |
Multi-particle developability regulating system |
Sep. 5, 1978 |
| 4062061 |
Error log for electrostatographic machines |
Dec. 6, 1977 |
| 3992108 |
Optical system alignment apparatus |
Nov. 16, 1976 |
| 3980049 |
Developing unit for electrophotography |
Sep. 14, 1976 |
|
|
|
