drive mechanism
11
..Variable speed mechanism
12
...Gearing
13
....Differential type
14
..Motion-converting mechanism
15
..Mechanical gearing
16
SUPPLIED OR CONTROLLED BY SPACE-
TRANSMITTED ELECTROMAGNETIC OR
ELECTROSTATIC ENERGY (E.G., BY
RADIO)
17
PORTABLE-MOUNTED MOTOR AND/OR
PORTABLE-MOUNTED ELECTRICAL
SYSTEMS THEREFOR
560
POSITIONAL SERVO SYSTEMS (E.G.,
SERVOMECHANISMS)
561
.Adaptive or optimizing systems
including "bang-bang" servos
562
.Time-sharing or multiplexing
systems
563
.With protective or reliability
increasing features (e.g.,
"fail-safe" systems)
564
.."Redundant" operating channels
565
..Monitoring systems
566
..Maneuver, force, or load-
limiting
567
.Program- or pattern-controlled
systems
568.1
..With program recording or
composing means
568.11
...Multifunction manipulator
(i.e., Robot)
568.12
....Mobile robot
568.13
....With particular program
teaching method
568.14
.....Manual lead through
568.15
....With particular interpolation
means
568.16
....With particular sensing
device
568.17
....With multimode control (e.g.,
course-fine, position-force,
etc.)
568.18
.....Including velocity control
568.19
....With particular coordinate
transformation means
568.2
....With plural control systems
(e.g., the interaction of
plural processors to control
the plural joints of a single
robot):
568.21
.....Including end effector
(e.g., gripping jaw,
micromanipulator, etc.)
568.22
....With particular compensation
(e.g., gain, offset, etc.)
568.23
.....Including program
modification
568.24
....With reliability enhancement
means (e.g., monitoring,
redundant circuits, etc.)
568.25
.....Including display device
569
..Digital or numerical systems
570
...Contouring systems
571
....With "feed-rate" control
572
....With "zero-offset" or tool
radius correction
573
....With interpolating means
574
....Multiple axes point to point
systems
575
..Multiple axes analog systems
576
...Nonmechanical line, seam or
edge followers
577
....Optical or photoelectric line
followers
578
...Cam or template followers
579
...Multiple pass systems
580
.Vehicular guidance systems with
single axis control
581
..Radio-controlled
582
..Celestial navigation
583
..Landing systems
584
..Altitude or pitch control
585
..Roll control
586
..Yaw control
587
..Land vehicles 318 - 2
November 2007
CLASS 318 ELECTRICITY: MOTIVE POWER SYSTEMS
588
..Marine vehicles
589
...Submarine and torpedo systems
590
.Multiple mode systems
591
..With mode-engagement features
(e.g., manual to automatic)
592
..Fine and coarse systems
593
...Separate fine and coarse
motors
594
...Digital systems
595
...Multiple speed synchro systems
596
..Combined "on-off" and
proportional control
597
..Slewing systems
598
...With a separate slewing motor
599
.Pulse-width modulated power
input to motor (e.g., "duty
cycle" systems)
600
.Digital or numerical systems
601
..Digital comparison
602
...Commutating switch-type
encoder
603
..Pulse-counting systems
604
..Analogue comparison
605
...Synchro or resolver (e.g.,
transmitter simulators)
606
.Frequency- or phase-modulated
systems
607
..Frequency comparison
608
..Phase comparison
609
."Reset" systems (P.I.)
610
..With rate (P. I. D.) (e.g.,
reset windup prevention)
611
.With stabilizing features (e.g.,
anti-hunting, damping)
612
..Electric braking near balance
(e.g., dynamic)
613
...D.C. in A.C. windings
614
..Friction-braking near balance
including magnetic or eddy
current brakes
615
..By auxiliary feedback loop
616
...Rate feedback
617
....Variable rate feedback
618
....Tachometer feedback
619
..Variable gain bandwidth
620
..Nonlinear circuits
621
..Lead or lag networks
622
...A.C. networks
623
..Load stabilization (e.g.,
viscous, magnetic or friction
dampers)
624
..By deadband at null (e.g.,
threshold circuits)
625
.Plural servomotors
626
.Limit or end-stop control
627
..Secto-scanning systems
628
."Feelback" systems
629
.Unwanted harmonic or voltage
component elimination
quadrature rejection systems
630
.Antibacklash systems (e.g., with
unidirectional approach to
balance)
631
.Antistatic friction features
(e.g., "dither" voltage)
632
.With compensating features
633
.."Two-cycle error" compensation
634
..Temperature compensation
635
.With signal-, voltage-, or
current-limiting
636
."Sampling" systems including
miscellaneous "sampled data"
control systems
637
.Analog computation
638
.With particular "error-
detecting" means
639
..Plural, diverse conditions
640
..Photoelectric or optical-type
measuring instruments
641
..With particular temperature
measuring instrument
642
..With liquid level measuring
instruments
643
..With moisture content or
wetness measuring instruments
644
..With flow measuring instruments
645
..With fluid pressure measuring
instruments
646
..With force or weight measuring
instruments
647
..With magnetic field measuring
instruments
648
..With inertial, direction or
inclination measuring
instrument
649
...Stable platforms
650
..With current, voltage or
electrical power measuring
instruments
651
..With acceleration measuring
instruments
652
..With particular position
measuring instruments
653
...Magnetic transducers
654
...Synchro control transmitter-
transformer systems
655
....With synchro differential CLASS 318 ELECTRICITY: MOTIVE POWER SYSTEMS
November 2007
318 - 3
656
...Differential transformer
systems
657
....Linear differential
transformer
658
...."E" type transformer
659
...."Microsyn" type
660
...."Inductosyn" systems
661
....Resolver systems
662
...Variable capacitor systems
663
...Potentiometer systems
including autotransformers and
Wheatstone bridges
664
....Minor arc seeking
665
....Continuous rotation,
unlimited range
666
....Controlled tap and slidewire
667
....With a bridge in the feedback
circuit
668
.....Recalibrating systems
669
...Standing wave
670
...Contact resistance
671
.With particular motor control
system responsive to the
"actuating signal"
672
..Discontinuous or "on-off"
control
673
...Seeking switch type
674
...Wheatstone bridge type
675
..One transmitter or controller
element follows another
676
..Transmitter or controller
element returned (e.g., force
balance systems)
677
..With particular servoamplifier
678
...Differential amplifier
679
...Diverse types of amplifiers in
different stage
680
...Magnetic servoamplifiers
681
...Solid-state servoamplifiers
682
...Rotating amplifier (e.g.,
"Ward Leonard" control)
683
..With particular phase
discriminator
684
..With particular modulator or
detector (e.g., choppers)
685
.."Step-by-step" motors in
closed-loop servos
686
..Reciprocating or oscillating
motors
687
..Linear movement motors
688
..Shaded pole motors
689
TORQUING MOTORS
690
SELF-SYNCHRONOUS TYPE OF MOTOR
691
.With means to amplify
transmitter signals
692
.Having induction or "selsyn"
type transmitter
693
.Having impedance-type
transmitter
694
.Having commutated dynamoelectric
machine transmitter
695
.Having commutating switch-type
transmitter
696
OPEN-LOOP STEPPING MOTOR CONTROL
SYSTEMS
34
PLURAL, DIVERSE OR DIVERSELY
CONTROLLED ELECTRIC MOTORS
35
.Motors with diverse motions
(e.g., reciprocating and
rotary motors)
37
.Plural reciprocating or
oscillating motors
38
.Plural linear-movement motors
39
.Work and feed motors (e.g.,
indexing)
40
.Motor biased against rotation
41
.Having electrical synchronizing
interconnections
42
..Between windings on auxiliary
dynamo-electric machines
43
..D.C. or A.C. commutator motors
with slip rings
44
..Between induction motor
secondaries
45
.Mechanically coupled in fixed
ratio of movement
46
..Motors having unlike operating
characteristics
47
...Synchronous and nonsynchronous
motors
48
..Mechanically coupled in torque
opposition
49
.Motors electrically connected in
cascade or tandem
50
..With means for effecting other
motor interconnections
51
.Plural, diverse motor controls
for different motors
52
.Slipping and/or racing control
for electric motors
53
.Plural, diverse motor controls
54
..Motor-reversing
55
...With running-speed control
56
....And braking
57
...And braking
58
...And acceleration control
59
..Running-speed control
60
...And braking
61
...And acceleration control 318 - 4
November 2007
CLASS 318 ELECTRICITY: MOTIVE POWER SYSTEMS
62
...And automatic starting and/or
stopping and/or with time
delay
63
..Braking
64
..Acceleration control
65
.Motor-reversing
66
.Running-speed control
67
..Diverse speeds for different
motors
68
..Relative motor speed control
69
...With speed-difference detector
70
....Electrical-type detectors
71
.....Voltage and/or current
difference detector
72
.....Dynamoelectric machine
detector
73
.....Synchronously operated
impedance detectors
74
.....Synchronously actuated
switch detectors
75
......Plural switches connected
in series
76
....Differential-gearing detector
77
...Controlling motor speed in
response to speed of another
motor
78
....Controlling A.C. frequency or
rate of electrical impulses to
other motor
79
...Control of both armature (or
primary) and field (or
secondary) circuits
80
...Armature or primary circuit
control
81
...Field secondary circuit
control
82
..Armature or primary circuit
control
83
...Series-parallel armature
circuit connections
84
..Field or secondary circuit
control
85
.Synchronizing or phasing control
86
.Braking
87
..Motor used as braking generator
(dynamic braking)
88
...Load or current division
during braking
89
...Motor as exciter for another
motor
90
.Acceleration control
91
..Accelerating motors in
succession or selectively
92
..Control of both armature (or
primary) and field (or
secondary) circuits
93
...Series-parallel connected
armature or primary circuits
94
..Armature or primary circuit
control
95
...Series-parallel connections
96