Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 318/576
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > Program- or pattern-controlled systems > Multiple axes analog systems > Nonmechanical line, seam or edge followers
Description: Subject matter in which the pattern to be followed is provided by a line, seam, or edge and the pattern follower is non-mechanical.

Sub-classes under this class:

Class Number Class Name Patents
318/577 Optical or photoelectric line followers 150

Patents under this class:

Patent Number Title Of Patent Date Issued
8575877 Solar-powered window covering automation system Nov. 5, 2013
8301305 Moving devices and controlling methods therefor Oct. 30, 2012
7368887 Servo control device and method of adjusting servo system May. 6, 2008
7227328 Method for detecting a possible collision of at least two objects moving with respect to each other Jun. 5, 2007
6781339 Method of controlling an electronic cam type rotary cutter, and method of producing an electronic cam curve Aug. 24, 2004
6294890 Robot controller Sep. 25, 2001
6064168 Method of controlling robot movement May. 16, 2000
5592078 Method and apparatus for moving along a boundary between electromagnetically different materials Jan. 7, 1997
5477119 Tracing control system Dec. 19, 1995
5463201 Seam-tracking apparatus for a welding system employing an array of eddy current elements Oct. 31, 1995
5436543 Device for duplicating irregular shapes Jul. 25, 1995
5387852 Method of determining tool running path in N/C system Feb. 7, 1995
5265195 Control robot with different axial direction shafts Nov. 23, 1993
4878003 Process and installation for the automatic control of a utility vehicle Oct. 31, 1989
4851750 Deceleration control for tracer control equipment Jul. 25, 1989
4830261 Eddy current tool positioning system May. 16, 1989
4754404 Method of incising the contour in an image film Jun. 28, 1988
4739235 Profile control apparatus for thermal working machine Apr. 19, 1988
4617504 Positioning device Oct. 14, 1986
4571479 Welding machine with automatic seam tracking Feb. 18, 1986
4554834 Acoustic sensor and method of using same for determining the position of a tool relative to a workpiece Nov. 26, 1985
4513195 Method and apparatus for the lateral positioning of a member relative to a joint Apr. 23, 1985
4486695 Profile measurement control for a gear measuring machine Dec. 4, 1984
4459526 Multi apertured lens shock wave probe Jul. 10, 1984
4441010 Process and apparatus for the lateral positioning of a member relative to a joint Apr. 3, 1984
4349182 Tape-controlled metal cutting apparatus Sep. 14, 1982
4326155 Shockwave probe Apr. 20, 1982
4298785 Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements Nov. 3, 1981
4276503 Method and apparatus for servo-controlling a rotating workpiece Jun. 30, 1981
4249062 Apparatus and method for sensing welding point in automatic welding apparatus Feb. 3, 1981
4242620 Automatic welding line tracing method and apparatus Dec. 30, 1980
4236105 Digital center tracking system Nov. 25, 1980
4234837 Digital center tracking system Nov. 18, 1980
4215299 Adaptive path following motion control system for welding head assembly Jul. 29, 1980
4206391 Apparatus for tracking a seam Jun. 3, 1980
4192986 Method and apparatus for automatic weld line tracing Mar. 11, 1980
4125943 Method and apparatus for detecting the shapes of weld beads Nov. 21, 1978
4104684 Rotary head type magnetic video recording and reproducing system Aug. 1, 1978
4088939 Guiding an untracked vehicle along a predetermined guide path May. 9, 1978
4015101 Scanning device for welding torches Mar. 29, 1977
3997757 Proportional control for guidance systems, and the like Dec. 14, 1976
3970910 Weld tracking mechanism Jul. 20, 1976
3947741 Boat guidance system Mar. 30, 1976
3936712 Interactive graphic system Feb. 3, 1976
3936714 Profiling of metals Feb. 3, 1976

  Recently Added Patents
SRAM cells using shared gate electrode configuration
System and method for wireless messaging in a wireless communication system
Gestures for presentation of different views of a system diagram
Method of and apparatus for evaluating an optimal irradiation amount of an electron beam for drawing a pattern onto a sample
Pyroelectric detector, pyroelectric detection device, and electronic instrument
Latch-up free ESD protection
Air scent dispenser
  Randomly Featured Patents
Device for displaying information
Methods for roughening and volume expansion of trench sidewalls to form high capacitance trench cell for high density dram applications
Creating interfaces for importation of modules into a circuit design
Replacement motherboard configuration
Hybrid high elongation cord
Semiconductor nitride pressure microsensor and method of making and using the same
Method for producing top surfacing layers
Active polyphase ladder filters with transmission zeros and their synthesis method
Tailgate lock-open mechanism
Rotary valve