Class   338	ELECTRICAL RESISTORS
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COHERER TYPE

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STRAIN GAUGE TYPE

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. (1 indent ) With temperature compensation

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. (1 indent ) Fluid- or gas pressure-actuated

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. (1 indent ) Dynamometer type

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. (1 indent ) Extensometer type

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RESISTANCE VALUE TEMPERATURE-COMPENSATED

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. (1 indent ) Temperature-compensated actuator

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. (1 indent ) With additional compensating resistor or resistance element

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.. (2 indent ) Filament or wire resistance elements

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REFLECTOR DIRECTS HEAT ON ELEMENT

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MOVABLE MAGNET ACTUATES RESISTOR THROUGH HOUSING OR PARTITION

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RESISTANCE VALUE RESPONSIVE TO A CONDITION

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. (1 indent ) Plural conditions

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. (1 indent ) Photoconductive (e.g., light sensitive)

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.. (2 indent ) With vibration control

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.. (2 indent ) Plural resistance elements (e.g., mosaic)

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.. (2 indent ) Infrared radiation

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.. (2 indent ) With transparent housing

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. (1 indent ) Current and/or voltage (e.g., ballast resistor)

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.. (2 indent ) Voltage surge-responsive or lightning arrester type

22R

.. (2 indent ) Thermistor type

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... (3 indent ) Indirectly heated

22SD

... (3 indent ) Semiconductor

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.. (2 indent ) Indirectly heated

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. (1 indent ) Ambient temperature

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.. (2 indent ) Cable or tape type (e.g., fire-detecting cable)

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.. (2 indent ) Liquid contact or element

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.. (2 indent ) Probe type

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... (3 indent ) Mechanically adjustable or variable

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... (3 indent ) Terminal forms casing or housing

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.. (2 indent ) Mechanically adjustable or variable

32R

. (1 indent ) Magnetic field or compass (e.g., Hall effect type)

32H

.. (2 indent ) Hall effect

32S

.. (2 indent ) Superconductors

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. (1 indent ) Float actuator

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. (1 indent ) Gas, vapor, or moisture absorbing or collecting

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.. (2 indent ) Humidity

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. (1 indent ) Fluid- or gas pressure-actuated

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.. (2 indent ) Vehicle tire inflation

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.. (2 indent ) Liquid resistance element or contact

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.. (2 indent ) Piston

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.. (2 indent ) Bourdon tube

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.. (2 indent ) Bellows or capsule

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.. (2 indent ) Diaphragm

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. (1 indent ) Gravity stabilized or inertia actuator

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.. (2 indent ) Liquid resistance element or contact

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.. (2 indent ) Centrifugal

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.. (2 indent ) Pendulum

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. (1 indent ) Force-actuated

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PLURAL SEPARATE DIVERSE RESISTORS

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SHUNT TYPE

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MOUNTED ON WHEELS OR VEHICLE

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WITH HEAT DISSIPATING PROJECTIONS (E.G., VANES)

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. (1 indent ) Granular, powdered, or transversely stacked resistance element

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WITH COOLING GAS OR LIQUID CIRCULATION

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. (1 indent ) Element granular, powdered, or stacked between terminals

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. (1 indent ) With cooling liquid circulation

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.. (2 indent ) Liquid resistance element circulates

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. (1 indent ) Vented or ventilating casing or housing

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. (1 indent ) Ventilated helical or zigzag element

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WITH HEAT-STORING

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WITH CAPACITY-REDUCING

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WITH INDUCTANCE-REDUCING

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. (1 indent ) Helical or wound element

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.. (2 indent ) Bifilar

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WITH ELECTRICAL SHIELD

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. (1 indent ) Mechanically variable resistor

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IGNITION INTERFERENCE SUPPRESSOR TYPE

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WITH DIVERSE NONELECTRICAL DEVICE (E.G., MECHANICAL OR CHEMICAL)

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MECHANICALLY VARIABLE (E.G., RHEOSTAT)

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. (1 indent ) Musical instrument playing key actuated

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. (1 indent ) In or on lamp socket

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.. (2 indent ) Resistor surfaces pressed together (e.g., compressible type)

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.. (2 indent ) Resistor with intervening connector between contact and element (e.g., taps)

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.. (2 indent ) Resistor with contact angularly slidable on element

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.. (2 indent ) Resistor with contact rectilinearly slidable on element

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. (1 indent ) With resistor cleaner

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. (1 indent ) Interchangeable resistors of different resistance value

77

. (1 indent ) Plug boxes

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. (1 indent ) With current reversing (e.g., reversing rheostat)

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. (1 indent ) With element winding and/or unwinding

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. (1 indent ) Liquid resistance element

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.. (2 indent ) Electrode separable from liquid element for switching

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.. (2 indent ) Adjustable insulating barrier between electrodes

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.. (2 indent ) Variable electrode separation

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... (3 indent ) Plural ganged electrodes

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... (3 indent ) Electrode rotatable

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.. (2 indent ) Level of liquid element adjustable on electrodes (e.g., electrodes move up and down in element)

87

. (1 indent ) Contact adjustably inserted into resistance element (e.g., penetrating type)

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.. (2 indent ) Powdered element

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. (1 indent ) Mathematical function (e.g., sine-cosine potentiometer)

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.. (2 indent ) With slab or card-type resistance element

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.. (2 indent ) With mechanical converter

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. (1 indent ) Resistance element adjustably short-circuited

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.. (2 indent ) Compressible spring type

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.. (2 indent ) Liquid contact

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.. (2 indent ) With intervening structure between element and short-circuiting means (e.g., taps)

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.. (2 indent ) Spring contact strip progressively pressed along element

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.. (2 indent ) Unitary movable contact electrically bridges resistance portions

98

. (1 indent ) With motion or vibration damping means (e.g., dashpots)

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. (1 indent ) Surfaces pressed together (e.g., compressible type)

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.. (2 indent ) Granular

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.. (2 indent ) Pile type

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... (3 indent ) With contactor moving along pile

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... (3 indent ) With electromagnetic operator (e.g., electric motor)

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.... (4 indent ) Force applied at both ends of pile

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.... (4 indent ) With diaphragm-type biasing spring

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.... (4 indent ) With initial pressure adjustment

107

... (3 indent ) With electromagnetic holder

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... (3 indent ) Pedal- or treadle-operated

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... (3 indent ) With initial pressure adjustment

110

... (3 indent ) With switch actuated by resistor actuator

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... (3 indent ) With intervening conducting structure

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... (3 indent ) Contact surface area of piles variable

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... (3 indent ) With resilient pressure-applying linkage

114

. (1 indent ) Deformable

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. (1 indent ) Element in piled or stacked layers

116

. (1 indent ) With electromagnetic operator (e.g., electric motor)

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. (1 indent ) Slidable coextensive helical and linear contacts

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. (1 indent ) Movable contact electrically adjustable over length of resistance element

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.. (2 indent ) With contact position indicating lamp

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.. (2 indent ) Additional resistor adjustably shunts part of resistance element (e.g., varifunction type

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.. (2 indent ) With nonlinearity correction

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.. (2 indent ) Coarse and fine resistance elements

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... (3 indent ) Plural elements and plural contacts

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.... (4 indent ) Contacts interlinked (e.g., lost motion type)

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.. (2 indent ) Unitary movable contact electrically bridges plural resistance elements

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... (3 indent ) Elements or taps in parallel

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... (3 indent ) Contact rotates between circularly arranged elements or taps

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.. (2 indent ) Plural

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... (3 indent ) Sequentially operated

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... (3 indent ) Ganged

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.... (4 indent ) Resistors individually adjustable

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.... (4 indent ) Resistors in tandem along rotary shaft or coupling

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.... (4 indent ) Rectilinearly operated

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... (3 indent ) Individually operated concentric shaft type

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.. (2 indent ) With zero setting or phasing

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.. (2 indent ) Contact clamped on resistance element

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.. (2 indent ) Plural contacts adjustable over single resistance element

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.. (2 indent ) Element tapered

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... (3 indent ) Portion of element shorted

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... (3 indent ) With intervening connector between contact and element (e.g., taps)

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... (3 indent ) Helical or wound

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... (3 indent ) Element forms a coating

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.. (2 indent ) Contact moves along turns of helical resistance element

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... (3 indent ) Contact lifts element from core

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... (3 indent ) Helical resistance element moves

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... (3 indent ) With helical collector parallel to helical element

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... (3 indent ) Resistor formed as a flat spiral

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... (3 indent ) With helical screw for moving the contact

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... (3 indent ) With contact stop

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.. (2 indent ) Resistance element moves

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... (3 indent ) With liquid contact

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... (3 indent ) With knob mounting or enclosing the element

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.. (2 indent ) Contact operated by pedal or treadle

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.. (2 indent ) With a flexible conductive strip separating the movable contact and the resistance element or taps

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.. (2 indent ) Contact rocks along element or taps

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.. (2 indent ) With liquid contact

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.. (2 indent ) Contact rolls along element or taps

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... (3 indent ) Contact rolls rectilinearly

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.. (2 indent ) With heat conducting or distributing path

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.. (2 indent ) Contact slides along in contact with element

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... (3 indent ) With element casing open over contact track

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... (3 indent ) Contact angularly slidable

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.... (4 indent ) With knob forming casing or covering

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.... (4 indent ) Hermetically sealed housing

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.... (4 indent ) With elongated rectilinear resistance element

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.... (4 indent ) With removable actuating shaft or key

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.... (4 indent ) Spring-loaded contact

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.... (4 indent ) With flexible lead-in to contact

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.... (4 indent ) Contact pressure adjustable

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.... (4 indent ) With contact biasing spring on contact arm or carrier

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.... (4 indent ) With plural contact portions

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.... (4 indent ) With switching

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....• (5 indent ) Contact separable from resistance element

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.... (4 indent ) With collector ring

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....• (5 indent ) Ring, a shaft-bearing

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... (3 indent ) Contact rectilinearly slidable

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.... (4 indent ) Contact surrounds resistor

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.... (4 indent ) Contact separable from element for switching

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.... (4 indent ) With series switch

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.... (4 indent ) Screw-operated

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....• (5 indent ) Screw, a fine-adjustment

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.... (4 indent ) With contact lock

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.... (4 indent ) With collector bar

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.. (2 indent ) With housing

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.. (2 indent ) With intervening connector between contact and element (e.g., taps)

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... (3 indent ) Connector formed as severed helical turns or as comb teeth

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... (3 indent ) With arc suppressor

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... (3 indent ) With collector bar or ring

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... (3 indent ) With magnetic holder for controller arm

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... (3 indent ) Angularly movable contact

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.... (4 indent ) With switch

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.... (4 indent ) Resistance element enclosed

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....• (5 indent ) Enclosure formed on and hardened on element

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... (3 indent ) Rectilinearly movable contact

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. (1 indent ) Resistance value varied by removing or adding material

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. (1 indent ) With resistor actuator position indicator

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. (1 indent ) With support

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. (1 indent ) With switch actuated by resistor actuator

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. (1 indent ) With housing

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. (1 indent ) With switch

201

.. (2 indent ) Switch connects plural elements in parallel

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MOVABLE CONTACT STRUCTURE

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READILY SEVERABLE INTO INDEPENDENT RESISTORS

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ELEMENT IN LAYERS PILED OR STACKED BETWEEN TERMINALS

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. (1 indent ) With intervening conducting layer

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EXPANDED METAL TYPE

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ELEMENT AND BASE PERMANENTLY FOLDED OR ROLLED

208

MESH, WOVEN, OR BRAIDED RESISTANCE ELEMENT

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EXTENSIBLE

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FLEXIBLE OR FOLDING

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. (1 indent ) Element coated on flexible base

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. (1 indent ) Tape or sheet

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. (1 indent ) Beaded

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. (1 indent ) Cable type

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WITH SWITCH

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IN COAXIAL TRANSMISSION LINE OR WAVE GUIDE

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TAPERED ELEMENT

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. (1 indent ) Helical or wound

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IN OR ON LAMP SOCKET OR BASE

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IN DETACHABLE ELECTRICAL CONNECTOR

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DETACHABLE PLUG-TYPE RESISTOR UNIT

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WITH LIQUID ELEMENT

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GRANULAR OR POWDERED ELEMENT

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. (1 indent ) Granular or powdered mixtures

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. (1 indent ) Carbon particles

226

INCASED, EMBEDDED, OR HOUSED

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. (1 indent ) With resistance value indicator

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. (1 indent ) Casing extends through plate

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. (1 indent ) Probe type

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. (1 indent ) Metal casing or housing cast around element

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. (1 indent ) In liquid

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. (1 indent ) Casing or housing readily openable and/or separable from element

233

.. (2 indent ) Elongated casing or housing with plug, disc, or cap at end

234

. (1 indent ) With gaseous or vacuum spacing between element and casing or housing

235

.. (2 indent ) Plural elements or resistors

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.. (2 indent ) Spacing of uniform thickness over length of element

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... (3 indent ) Hermetically sealed

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. (1 indent ) Element inpowdered insulation with outer metallic sheath

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.. (2 indent ) Plural elements or resistors

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.. (2 indent ) Terminals or leads adjacent

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... (3 indent ) Sheath only outside looped element

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.. (2 indent ) Shape of sheath

243

. (1 indent ) Element in insulation with outer metallic sheath

244

.. (2 indent ) Insulation coated on conducting liner

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.. (2 indent ) Entire insulation or sheath formed as a coating

246

.. (2 indent ) With insulation and sheath external and internal to element

247

.. (2 indent ) Plural part sheath

248

... (3 indent ) Insulation formed and hardened in situ (e.g., molded)

249

... (3 indent ) Parts formed as flat sheets

250

.. (2 indent ) Insulation formed and hardened in situ (e.g., molded)

251

.. (2 indent ) Sheath embraces or folds over insulation

252

. (1 indent ) Element embedded or enclosed in groove or recess

253

.. (2 indent ) With filling hardened in situ

254

. (1 indent ) Flattened resistance element between flat layers

255

.. (2 indent ) Layers coalesced or fused together

256

. (1 indent ) Casing or housing formed in plural layers external to element

257

.. (2 indent ) One layer a coating

258

. (1 indent ) Resistance element formed as a coating on interior of casing or housing

259

. (1 indent ) Wound, braided, or woven casing or housing

260

. (1 indent ) Plural resistors

261

.. (2 indent ) Helical or wound element

262

. (1 indent ) Casing or housing formed as a coating

263

.. (2 indent ) Helical or wound element

264

... (3 indent ) Element coiled on a core

265

.... (4 indent ) Terminal or leads at one end of core

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.... (4 indent ) Terminal surrounds element and/or core

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. (1 indent ) Helical or wound element

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.. (2 indent ) Preformed sleeve engaging over element

269

.. (2 indent ) Casing or housing formed on and hardened on resistor (e.g., molded)

270

.. (2 indent ) Element coiled on a core

271

. (1 indent ) Terminal forms casing or housing

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. (1 indent ) Terminal or lead surrounds and secured to casing or housing

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. (1 indent ) Terminal or lead extends into end of elongated casing or housing

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.. (2 indent ) With sealing plug, disc or cap

275

. (1 indent ) Casing or housing formed on and hardened on resistor (e.g., molded)

276

. (1 indent ) Terminal or lead extends through casing or housing wall

277

WITH PROTECTING STRUCTURE SPACED FROM ELEMENT OR TERMINAL

278

EDGEWISE COILED HELICAL STRIP RESISTANCE ELEMENT

279

RIBBON RESISTANCE ELEMENT BENT OR CURVED ON FLAT SIDE

280

. (1 indent ) Zigzag or sinuous

281

.. (2 indent ) Element includes integral stiffening structure

282

. (1 indent ) Helical or wound

283

ZIGZAG OR SINUOUS RESISTANCE ELEMENT

284

. (1 indent ) Element includes integral stiffening structure

285

. (1 indent ) Element extends along groove in base

286

. (1 indent ) Helical

287

. (1 indent ) Compound or multiple zigzag

288

.. (2 indent ) Element includes conductive jumpers or spacers

289

. (1 indent ) Element includes conductive jumpers or spacers

290

. (1 indent ) Element projects in or through an opening or a slot in a support or frame

291

. (1 indent ) With transverse element stiffening or reinforcing rod or strip

292

. (1 indent ) Element forms a coating

293

. (1 indent ) Planar

294

. (1 indent ) Cylindrical

295

PLURAL RESISTANCE ELEMENTS CONNECTED BY A JUMPER OR SPACER

296

HELICAL OR WOUND RESISTANCE ELEMENT

297

. (1 indent ) Flat spiral winding

298

. (1 indent ) Compound helix or winding

299

. (1 indent ) Plural supported helices or windings

300

. (1 indent ) Element forms a coating

301

. (1 indent ) Element coiled on flat or ribbon base

302

. (1 indent ) Element coiled on cylindrical or prismatic core

303

.. (2 indent ) In helical groove on core

304

. (1 indent ) Element on frame or support

305

.. (2 indent ) Element extends in or through openings or grooves in frame or support

306

WITH BASE EXTENDING ALONG RESISTANCE ELEMENT

307

. (1 indent ) Resistance element and/or terminals printed or marked on base

308

. (1 indent ) Resistance element coated on base

309

.. (2 indent ) Terminal coated on

310

. (1 indent ) Resistance element extends through base

311

. (1 indent ) Resistance element mounted in a groove in base

312

. (1 indent ) Terminal extends in or through base

313

. (1 indent ) Terminal embraces base

314

. (1 indent ) Resistance element and base formed in layers

315

WITH MOUNTING OR SUPPORTING MEANS

316

. (1 indent ) Compensates for or permits resistor

317

. (1 indent ) Threading or projecting through the support

318

. (1 indent ) Extending between supports

319

.. (2 indent ) Plural resistors

320

. (1 indent ) Plural resistors

321

RESISTANCE ELEMENT CORES AND FRAMES

322

WITH TERMINAL

323

. (1 indent ) Terminal tapped on resistance element

324

. (1 indent ) Diverse terminals

325

. (1 indent ) With three or more terminals

326

. (1 indent ) Terminals adjacent (e.g., looped resistor)

327

. (1 indent ) Terminal coated on resistance element

328

. (1 indent ) Terminal and resistance element disposed in flat layers

329

. (1 indent ) Welded or soldered

330

. (1 indent ) Terminal and resistance element integral

331

. (1 indent ) Resistance element surrounds terminal

332

. (1 indent ) Terminal embraces or surrounds resistance element

333

PARTICULAR CONFIGURATION AND/OR DIMENSION

334

MISCELLANEOUS

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

WORM GEAR DRIVE

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