PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 345
 Class Title: SELECTIVE VISUAL DISPLAY SYSTEMS

Subclass  Subclass
Number    Title

  1       PLURAL DISPLAY SYSTEMS
  2       .Remotely located
  3       .Diverse systems (e.g., CRT/LCD interface)
  4       SINGLE DISPLAY SYSTEM HAVING STACKED SUPERIMPOSED DISPLAY
           DEVICES (E.G., TANDEM)
  5       .Diverse display devices
  6       .Three-dimensional arrays
  7       IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY)
  8       .Operator body-mounted heads-up display (e.g., helmet mounted
            display)
  9       .Plural image superposition
  10      DATA RESPONSIVE CRT DISPLAY CONTROL
  11      .CRT provides display control
  12      .Data responsive deflection and intensity control
  13      .Data responsive deflection control
  14      ..X and Y axis deflection control
  15      ..Curvilinear deflection control (e.g., lissajous)
  16      ..Stroke or vector
  17      ...Strokes for forming characters
  18      ...Up/down counter
  19      ..Impedance Array
  20      .Data responsive intensity control
  21      ..Magnetic element array
  22      .Color display
  23      .Graphic and alphanumeric display
  24      .Graphic display
  25      .Alphanumeric display
  26      ..Character generator
  27      .Combined with storage means
  28      ..Addressing
  29      .Delay line
  30      PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT)
  31      .Physically movable array
  32      .Optical means interposed in viewing path (e.g., filters, lens,
            etc.)
  33      .Segmented display elements
  34      ..Seven segment display
  35      ..Bar graph
  36      ...Electroluminescent display elements
  37      ...Gas discharge display segments (e.g., plasma)
  38      ...Liquid crystal display segments
  39      ...Light-emitting diode segments (LEDS)
  40      ...Plural (e.g., stacked, adjacent)
  41      ..Fluid light-emitting display elements (e.g., gas, plasma)
  42      ...Controlling circuitry
  43      ..Mask or electrode shape
  44      ..Solid light-emitting display elements
  45      ...Electroluminescent
  46      ...Light-emitting diodes
  47      ..Fluorescent elements
  48      ..Light-controlling display elements
  49      ...Electrochromic elementss
  50      ...Liquid crystal elements
  51      ....Display element selection circuitry
  52      ....Power supply generating circuitry
  53      ....Specific waveform (e.g., square waveforms, sinusoidal)
  54      .....Field period polarity reversal
  55      .Display elements arranged in matrix (e.g., rows and columns)
  56      ..Image shifting means (i.e., traveling message)
  57      ...Having endless belt or tape reader
  58      ..Crosstalk elimination
  59      ..Matrix for conveying alphanumeric data
  60      ..Fluid light emitter (e.g., gas, liquid, or plasma)
  61      ...Shifting means
  62      ....Specified plasma coupling path
  63      ...Intensity control
  64      ...Liquid light emitter
  65      ...Phosphor excited by fluid response
  66      ...Particular discharge path
  67      ...More than two electrodes per element
  68      ...Means for combining selective and sustain signals
  69      ....Resistor-diode arrangement
  70      .....Including transformer
  71      ...Electrode insulated from fluid medium
  72      ...Color
  73      ..Incandescent
  74      ..Cathodoluminescent type
  75      ...Vacuum fluorescent
  76      ..Electroluminescent
  77      ...Brightness or intensity control
  78      ...Having compensating pulse
  79      ...Field period polarity reversal
  80      ...Driving means integral to substrate
  81      ...Optical addressing (e.g., photodetection)
  82      ..Solid body light emitter (e.g., LED)
  83      ...Color
  84      ..Light-controlling display elements
  85      ...Electroscopic (e.g., movable electrodes or electrostatic
              elements)
  86      ...Magneto-optic
  87      ...Liquid crystal display elements (LCD)
  88      ....Color
  89      ....Gray scale capability (e.g., halftone)
  90      ....Control means at each display element
  91      .....Diode or varistor
  92      .....Thin film tansistor (TFT)
  93      .....Redundancy (e.g., plural control elements or electrodes)
  94      ....Waveform generation
  95      .....Three or more voltages
  96      .....Field period polarity reversal
  97      .....Ferroelectric liquid crystal elements
  98      ....Specific display element control means (e.g., latches,
               memories, logic)
  99      .....Particular timing circuit
  100     .....Particular row or column control (e.g., shift register)
  101     ....Data signal compensation in response to temperature
  102     ....Backlight control
  103     ....Grouped electrodes (e.g., matrix partitioned into sections)
  104     ....Input/output liquid crystal display panel
  105     ...Electrochromic elementss
  106     ...Thermochromic elements
  107     ...Particle suspensions (e.g., electrophoretic)
  108     ..Plural mechanically movable display elements
  109     ...Having shutters
  110     ...With motor or rotor driver means
  111     ...With a permanent magnet placed on movable display elements
  112     DISPLAY ATTRIBUTE CONTROLLER
  113     .Particular overlay (e.g., superimposing feature)
  114     ..Foreground and background
  115     .Simultaneous diverse images
  116     ..Character and graphical display
  117     .Specified image of abnormal condition
  118     .Having image confined to designated region (e.g., image
            clipping)
  119     ..Multiwindow environment
  120     ...Overlapping windows
  121     .Image movement or position control (e.g., panning)
  122     ..Animation
  123     ..Scrolling
  124     ...Alphanumeric
  125     ...Graphical
  126     ..Rotation
  127     .Image size control
  128     ..Alphanumeric
  129     ...Reduction
  130     ...Enlargement
  131     ..Graphical
  132     .Defined resolution (e.g., EGA, VGA)
  133     .Graphic display
  134     ..Waveform display (e.g., oscilloscope type)
  135     ..Vector display
  136     ..With image smoothing control (e.g., anti-aliasing)
  137     ...Convolving technique
  138     ..Averaging technique
  139     ..Perspective
  140     ..Bar graph
  141     .Character display
  142     ..Calligraphic
  143     ..Font change
  144     ..Character border
  145     .Cursor manipulation
  146     ..Menu selection
  147     .Intensity control (e.g., gray scale)
  148     ..Temporal processing (e.g., pulse width variation over time)
  149     ..Spatial processing (e.g., patterns or subpixel
             configurations)
  150     .Selectable color attributes
  151     ..Including optical means
  152     ..Designated subpixel arrangements
  153     ..Color bit data modification or conversion
  154     ...Format change (e.g., NTSC to RGB, RGB to composite, or XYZ to
              RGB)
  155     ...Change in number of bits for a designated color (e.g., 4 bits
              to 8 bits, 8 bits to 4 bits)
  156     DISPLAY PERIPHERAL INTERFACE INPUT DEVICES
  157     .Cursor mark position control devices
  158     ..Including orientation sensors (e.g., infrared, ultrasonic,
             remotely controlled))
  159     ..Having variable cursor speed
  160     ..Cursor key
  161     ..With joystick
  162     ..Positional storage means
  163     ..With mouse
  164     ...Rotatable ball detector
  165     ....With photosensor encoder
  166     ...Optical detector
  167     ..With trackball
  168     .Including keyboard
  169     ..Portable (i.e., handheld, calculator, remote controller)
  170     ..Light source associated with each key
  171     ..Having foreign language capability (e.g., Japanese, Chinese)
  172     ..Having programmable function keys
  173     .Touch panels
  174     ..Including impedance detection
  175     ..Including optical detection
  176     ..With transparent substrate with light entrapment capability
             (i.e., waveguides)
  177     ..Including surface acoustic detection
  178     ..With alignment or calibration capability (i.e., parallax
             problem)
  179     .Stylus
  180     .Light pen for CRT display
  181     ..CRT having tracking capability
  182     .Light pen for fluid matrix display panels
  183     .Light pen for controlling plural light-emitting display
            elements (e.g., LED, lamps)
  184     .Mechanical control (e.g., rotatable knob, slider)
  185     DISPLAY STORAGE DEVICE
  186     .Color memory
  187     ..Multiple planes
  188     ...Addressing with priority
  189     .Bit map or graphic memory
  190     ..Addressing
  191     ..Mask data operation
  192     .Character memory
  193     ..Addressing
  194     ..Character generator
  195     ...Multiple fonts
  196     .Row buffer (e.g., line memory)
  197     .Shift register
  198     ..With routing logic
  199     .Color look-up-table (e.g., palette)
  200     .Addressing circuitry
  201     .Plural storage devices
  202     .Data compression or compaction
  203     .Significant data assignment in storage device
  204     DISPLAY DRIVING CONTROL CIRCUITRY
  205     .Physically integral with display elements
  206     ..Having common base or substrate
  207     .Light detection means (e.g., with photodetector)
  208     .Waveform generator coupled to display elements
  209     ..Field period polarity reversal
  210     ..Having three or more voltage levels
  211     .Display power source
  212     ..Regulating means
  213     ..Synchronizing meanss
  214     .Controlling the condition of display elements
  215     ..Including priming means
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  901     Electronic book with display
  902     Menu display
  903     Modular display
  904     Display with fail/safe or testing feature
  905     Display device with housing structure