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Browse by Category: Main > Communications
Class Information
Number: 340/675
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Article transport > Web, film, or strip
Description: Subject matter where the moving object is a continuous web, film, or strip.










Sub-classes under this class:

Class Number Class Name Patents
340/676 Conveyor belt 66


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4086575 Apparatus for the optional detection of the movement of any individual or any optional pair of objects Apr. 25, 1978
4083515 Method and apparatus for determining and controlling wire spacing on a spool Apr. 11, 1978
4072935 Apparatus for indicating whether one or more objects are in motion Feb. 7, 1978
4063051 Apparatus for detecting bumps in a web Dec. 13, 1977
4063303 Stop-motion apparatus of weaving looms Dec. 13, 1977
4024524 Single web edge contacting detecting apparatus May. 17, 1977
4005486 Apparatus for detecting tape running in a tape recorder Jan. 25, 1977
3999851 Antijamming safety device for copying machine Dec. 28, 1976
3995953 Electrophotographic apparatus Dec. 7, 1976
3974490 Paper roll diameter sensing device for use with paper splicing apparatus Aug. 10, 1976
3962730 Removal of faulty material in the manufacture of non-metallic webs Jun. 15, 1976
3955136 Machine for dielectrically detecting defects in flat rubber stock May. 4, 1976
3949856 System to detect abnormal paper feed in printers Apr. 13, 1976
3948510 Sheet jam detector for electrophotographic copying machine Apr. 6, 1976
3944933 Jam detection circuit Mar. 16, 1976
3934505 Method and apparatus for synchronous printing of a moving web Jan. 27, 1976

1 2 3










 
 
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