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: 315
 Class Title: ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

Subclass  Subclass
Number    Title

  1       CATHODE RAY TUBE CIRCUITS
  3       .Combined cathode ray tube and circuit element structure
  3.5     ..Traveling wave tube with delay type transmission line
  3.6     ...Line with plural characteristics or plural lines
  4       ..Inductor or distributed parameter type inductive structure
  5       ...Ray passes in or through a hollow distributed parameter
              device
  5.11    ....With a secondary emission stage
  5.12    .....Secondary emission passes through or in the hollow
                device
  5.13    ....With a magnetron
  5.14    ....Plural rays pass through or in the hollow device
  5.15    .....Rays merged at the hollow device
  5.16    .....Plural hollow devices
  5.17    ......Feed-back by ray
  5.18    ....Ray returns to the hollow device, e.g., reflex type
  5.19    .....By same path and/or to same aperture
  5.21    ......Device tunable
  5.22    .......Device has a flexible wall
  5.23    ........Thermally controlled
  5.24    ....Deflecting or reflecting the ray
  5.25    .....Ray sweeps over an aperture or slot in the hollow
                device
  5.26    .....Device deflects the ray
  5.27    ......Plural hollow devices
  5.28    .....Plural hollow devices
  5.29    ....Ray has appreciable transverse electrical dimension
               and/or significant shape
  5.31    .....Hollow ray
  5.32    .....Disk shaped ray
  5.33    ....Device also a ray anode or cathode
  5.34    ....Focusing and/or concentrating the ray
  5.35    .....By magnetic field
  5.36    ....Device removable from its grids
  5.37    ....Device has particular grid structure
  5.38    ....With particular collector or anode structure
  5.39    ....Plural hollow devices
  5.41    .....Accelerating or decelerating the ray between the
                hollow devices
  5.42    .....Devices excited to accelerate the ray across their
                gaps, e.g., synchrotrons
  5.43    .....Devices of different resonance frequency
  5.44    .....Feed-back connection between the hollow devices
  5.45    ......Three hollow devices
  5.46    .....Device tunable
  5.47    ......Gang tuned hollow devices
  5.48    ......Device has a flexible wall
  5.49    .....Three hollow devices
  5.51    ....Plural gaps in the hollow device
  5.52    ....Device has a re-entrant portion surrounding the ray
  5.53    ....Device tunable
  5.54    .....Device has a flexible walll
  7       ...Connected to the deflecting electrodes
  8       .Compensating for stray deflecting fields
  8.51    .Pulse storing
  8.61    ..Plural cathode ray tubes or ray type tubes
  9       .Plural cathode ray tubes in the circuit
  10      .With radiant energy sensitive control means
  11      ..With secondary emission stage in the cathode ray tube
  11.5    ...Color convergence controlled by photodetector
  12.1    .With secondary emission stage in the cathode ray tube
  13.1    .Plural ray type tube
  13.11   ..Storage tubes
  14      .Plural concentrating, accelerating and/or de-accelerating
            stages
  15      ..Three or more stages
  16      ...Intermediate stage at lower potential
  17      ..With ray deflecting stage interposed between plural
             concentrating or accelerating and/or de-accelerating stage or
             co-extensive with one such stage
  364     .Cathode ray deflections circuits
  365     ..Symbol generator
  366     ..For flat cathode ray tube
  368.11  ..Including color convergence control
  368.12  ...Including specified signal storage (e.g., memory,
              register, etc.)
  368.13  ....Interpolation
  368.15  ...Including electrostatic element (e.g., electrode, lens,
              etc.)
  368.16  ....Offset apertures in plural sequential electrodes
  368.17  ...Including signal delay circuitry
  368.18  ...Including specified waveform generating circuitry
  368.19  ....By nonlinear device (e.g., square law device, diode,
               etc.)
  368.21  ....Parabolic waveform
  368.22  .....By integrating of signal
  368.23  .....By multiplying of signal
  368.24  ...Static convergence feature
  368.25  ...Including core or winding structure
  368.26  ....Adjacent to or integral with deflection winding or
               housing structure therefor
  368.27  ...Including particular magnetic field distribution
  368.28  ...Including plural cores or coils
  367     ..Including a digital to analog device
  369     ..Target controls deflection circuit
  370     ..With ray deflection distortion correction or reduction
  371     ...By modulation of deflection waveform
  372     ..For cathode ray tube having plural targets
  373     ...Targets radially about cathode
  374     ...Targets in single plane
  375     ..For plural phosphor target tube
  376     ...With post deflection phosphor selection
  377     ..With marker
  378     ..Circular, spiral or radial sweeps
  379     ..With additional control of cathode ray
  380     ...Control only at turn-on or turn-off of circuit
  381     ....Circuits controls grid-cathode circuit of tube
  382     ...With focusing of ray
  382.1   ....For television
  383     ...Intensity control of rayy
  384     ....Ray blanking
  385     ....Ray unblanking
  386     ....With ray control responsive to deflection circuit
  387     ..Including feedback circuit
  388     ...Plural feedback circuits
  389     ...Negative feedback
  390     ....Tube type circuit
  391     ..Plural deflection circuits
  392     ...Plural waveform display circuits
  393     ...Inter-connected sweep circuits
  394     ...Plural deflections in one plane
  395     ..Plural potentials or currents applied to deflection member
  396     ...Push-pull deflection circuit
  397     ....Coil type circuit
  398     ...With cathode ray centering
  399     ..Deflection coil circuit
  400     ...Including a saturable element
  401     ...Including a temperature responsive element
  402     ...Including a voltage dependent resistor
  403     ...Including an amplifier
  404     ....Tube type amplifier
  405     .....With transformer connecting amplifier to coil
  406     ......With power recovery circuit
  407     .....With diode or amplifier across coil
  408     ...Including solid state switch
  409     ..Including a discharge device
  410     ...With device discharging a condenser
  30      .Ray modulation
  411     .Power supply from deflection circuit source
  32      COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS
           AND ELECTRICAL CIRCUIT DEVICE STRUCTURE
  33      .Portable self-contained
  34      .With antenna
  35      .Plural discharge device loads
  36      ..Series connected discharge devices
  37      ..Cathode-anode circuit connected to the discharge control
             electrode of another discharge device load (e.g., cascade)
  38      ..Corresponding electrodes connected by a circuit impedance
             (e.g., push pull)
  39      .Discharge device load with distributed parameter type
            transmission line (e.g., wave guide, coaxial cable)
  39.3    ..Traveling wave type with delay type transmission line
  39.51   .Distributed parameter resonator type magnetron
  39.53   ..With output coupling means
  39.55   ..Variable tuning
  39.57   ...Electron emission type
  39.59   ...Thermal or magnetic actuator
  39.61   ...Movable tuning element (e.g., slug)
  39.63   ..With control electrode, secondary emitter, or auxiliary
             anode or cathode
  39.65   ..Having diverse size resonators
  39.67   ..Tubular anode with eccentric or axially displaced
             cathode
  39.69   ..With strapping for resonant structure
  39.71   ..Magnetic field generating and pole structure
  39.73   ..Interdigital electrode
  39.75   ..Anode with plural cavities
  39.77   ..With resonant cavity coupled to anodee
  40      .Electrode formed as inductive impedance
  41      .Inductive impedance connected between electrodes of a discharge
            device load
  42      ..Connected to plural anodes or plural cathodes
  43      ..Connected to control electrode
  44      ...With capacitive impedance connected to the control electrode
  45      ..With diverse type impedance
  46      .Filament, electric heater, or resistance in shunt with the
            discharge electrodes of a discharge device load
  47      ..Automatic switch in the shunt circuit
  48      ..Cathode or cathode heater in the shunt circuit
  49      .Filament or electric heater in series with a discharge device
            load
  50      .Load device temperature modifying means combined with or
            forming circuit impedance means
  51      .Plural circuit elements
  52      ..Plural impedance elements
  53      ...Diverse types of impedances
  54      ...Plural inductive impedances
  55      .Electric generator or piezoelectric device
  56      .Discharge device load
  57      ..Discharge device and transformer
  58      ..Discharge device and circuit impedance
  59      ...Impedance connected between two electrodes
  60      ....Impedance connected to an auxiliary starting electrode
  61      ....Discharge control discharge device
  62      ...Inductive impedance
  63      ..Discharge control discharge load
  64      .Multiple filament load devices
  65      ..Automatic substitution of the filament
  66      ..Series connected filaments
  67      ..Diverse resistance filaments
  68      ..Three or more controlled filament circuits
  69      ..Plural filaments energized in parallel
  70      .Load device and transformer
  71      .Load device and impedance
  72      .Load device and periodic electric switch
  73      .Electric switch inside evacuated or gas filled envelope
  74      .Automatic shunt circuit closing or cut-out switch
  75      ..Shunt circuit closing
  76      SPECIAL APPLICATION
  77      .Vehicle
  78      ..Vehicle motor or vehicle motion driven generator
  79      ..Vehicle or engine speed controlled
  80      ..Load device controller combined with vehicle controller
  81      ...Steering mechanism controlled
  82      ..Head light systems
  83      ...Alternate circuit closing
  84      .Door or closure controlled load device
  84.51   PULSE STORING SYSTEMS OF THE GASEOUS DISCHARGE TUBE TYPE
  84.61   .With plural cathode or anode tube
  85      WITH ELECTROMAGNETIC WAVE RADIATION PREVENTING OR SHIELDING
           MEANS
  86      AUTOMATIC SUBSTITUTION OF THE POWER SUPPLY
  87      .With load device or electrode substitution
  88      AUTOMATIC SUBSTITUTION OF THE LOAD DEVICE OR ELECTRODE
  89      .Plural substitution of load devices or electrodes
  90      .Plural load devices with selective substitution of load devicee
            or electrode
  91      .Over-voltage or over-current controlled substitution
  92      .Diverse type load device or electrode substituted
  93      .With current shifting switch
  94      WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT
  95      .Plural load device systems
  96      ..Series connected cathodes or heaters
  97      ..Pulsating or A.C. supply to the cathode or heater circuit
  98      .Plural cathodes or heaters in the load device
  99      ..Series connected cathodes or heaters
  100     ...Thermostatic switch in the series circuit
  101     .Discharge device and/or rectifier in the cathode or heater
            circuit
  102     .Delayed application of the discharge potential
  103     ..With surge generator in the discharge circuit
  104     ..Thermostatic controlled delaying means
  105     .Pulsating or A.C. supply to the cathode or heater circuit
  106     ..Automatic cut-out or voltage regulator in the cathode or
             heater circuit
  107     .Automatic cut-out or voltage regulator in the cathode or heater
            circuit
  108     CONFINED GAS OR VAPOR TYPE LOAD DEVICE WITH PRESSURE REGULATING
           MEANS
  109     .Auxiliary discharge type
  110     .Valve controlled
  111.01  DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE
           DISCHARGE SPACE
  111.11  .With tangential fluent material supply
  111.21  .Plasma generating
  111.31  ..With extraction electrode
  111.41  ..With magnetic field
  111.51  ...Induction type
  111.61  ...Acceleration
  111.71  ...Plasma containment
  111.81  .Electron or ion source
  111.91  ..Gas ionization type (e.g., ion pump or gauge source)
  112     WITH LOAD DEVICE TEMPERATURE MODIFIER
  113     .Plural load device systems
  114     ..Electric heater for the load devices
  115     .Electric heater for the load device
  116     ..Automatic cut-out or voltage regulator for the heater circuit
  117     .Automatic control of the temperature modifier
  118     .Load device circuit controlled by the temperature modifying
            medium
  119     WITH AUTOMATIC SHUNT AND/OR CUTOUT
  120     .Combined with signal, indicator or alarm
  121     .Plural load device systems
  122     ..Series connected load devices
  123     .Plural shunts and/or cut-outs
  124     .Auxiliary electrode controlled
  125     .Shunt circuit closing
  126     ..With compensating impedance
  127     .Supply circuit current and/or potential actuated switch
  128     ..Plural switch operating means
  129     WITH SIGNAL, INDICATOR OR ALARM
  130     .Plural load device systems
  131     ..Selective indication of the load device
  132     ...Plural signals, indicators or alarmss
  133     .Plural signals, indicators or alarms
  134     .Radiant energy responsive control type
  135     .Discharge device and/or rectifier in the signal circuit
  136     .Electrically operated switch controlling the signal circuit
  137     POLYPHASE A.C. SUPPLY
  138     .M phase to N phase (e.g., phase splitters)
  139     ..Polyphase supply circuit
  140     ...Phase multiplying
  141     .Transformer in the supply circuit
  142     ..With interphase transformer in the supply circuit
  143     ..Convertible transformer connections
  144     ..Plural load devices
  145     ..Plural cathode and/or anode load device
  146     .Plural discharge control discharge device load devices
  147     .Plural cathode and/or anode discharge device load
  148     ..Discharge control discharge device
  149     WITH RADIANT ENERGY SENSITIVE CONTROL MEANS
  150     .Radiant energy responsive load device
  151     .Load device irradiating the radiant energy responsive device
  152     .Plural load devices
  153     ..Selective energization of the load devices
  154     ...Selective electric switch controlled by the radiant energy
              responsive device
  155     .Plural radiant energy responsive devices
  156     .Radiant energy control of an electric discharge device in the
            supply circuit of the load device
  157     .Discharge control discharge device load controlled by the
            radiant energy responsive device
  158     .Radiant energy controlled regulation of the current supply for
            the load device
  159     .Electric switch controlled by the radiant energy responsive
            device
  160     PLURAL POWER SUPPLIES
  161     .Plural load devices
  162     ..Diverse type load devices
  163     ...Simultaneous application of diverse type current supplies to
              a load device
  164     ..Series connected current supplies
  165     ..Diverse type current supplies
  166     ...Simultaneous application to a load device
  167     .Plural cathode and/or anode load device
  168     ..Diverse type current supplies to auxiliary and principal
             electrodes
  169.1   ..Diverse type energizing or bias supplies to different
             electrodes
  169.2   ...Including shifting, of register, counter or display
  169.3   ...Electroluminescent device
  169.4   ...Gas display panel device
  170     .Series connected current supplies
  171     .Discharge device and/or rectifier in one of the supply
            circuits
  172     .Periodic switch in one of the supply circuits
  173     .Condenser in one of the supply circuits
  174     .Plural diverse pulsating or A.C. supplies
  175     .Diverse type current supplies
  176     ..Simultaneous application to the load device
  177     LOAD DEVICE IN THE PRIMARY AND SECONDARY CIRCUIT OF THE SUPPLY
           TRANSFORMERR
  178     PLURAL DIVERSE TYPE LOAD DEVICES
  179     .Series connected diverse type load devices
  180     ..Plural diverse discharge device load
  181     ...Asymmetrical discharge device load
  182     .Electric discharge device load
  183     ..Plural diverse discharge device loads
  184     THREE OR MORE LOAD DEVICES CONNECTED BETWEEN DIVERSE PAIRS OF
           PAIRED CONDUCTORS
  185 R   PLURAL SERIES CONNECTED LOAD DEVICES
  186     .Periodic switch in the supply circuit
  187     .Condenser in the supply circuit
  188     ..Condenser in shunt to load and supply
  189     .Discharge device loads
  190     ..Asymmetrical discharge device loads
  191     .Convertible to parallel connected
  192     .Combined with parallel connected load device
  193     .Electric switch controlled load device
  185 S   .Christmas lights
  194     REGULATION OF THE CONTROL CURRENT AND/OR POTENTIAL APPLIED TO
           DISCHARGE CONTROL DISCHARGE DEVICE LOADS BY PHASE SHIFTING
           MEANS
  195     .Plural load device systems
  196     ..Inverse parallel connected asymmetric load devices
  197     ...Discharge control discharge device in the control circuit
  198     ..Discharge control discharge device in the control circuit
  199     .Discharge control discharge device in the control circuit
  200 R   DISCHARGE DEVICE AND/OR RECTIFIER IN THE SUPPLY CIRCUIT
  201     .Plural load device systems
  202     .Plural cathode and/or anode discharge device load
  203     ..Discharge device or rectifier in the auxiliary starting
             electrode circuit
  204     ...Discharge control discharge device in the auxiliary electrode
              circuit
  205     .Plural discharge devices and/or rectifiers in the supply
            circuit
  206     .Discharge device and/or rectifier in the primary circuit of the
            supply transformer
  207     .Discharge device and/or rectifier in shunt to the load device
  208     .Discharge control discharge device in the supply circuit
  200 A   .Flashers
  209 R   PERIODIC SWITCH IN THE SUPPLY CIRCUIT
  210     .Plural load device systems
  211     ..Distributor type periodic switch means
  212     ...Transformer in the supply circuit
  213     ....Distributor switch means in the primary circuits of plural
               transformers
  214     ....With additional periodic switch in the primary circuit
  215     ...With additional periodic switch in the distributor switch
              means circuit
  216     ...Plural electrically operated switches
  217     ..Periodic switch selectively connectable to plural load device
             circuits
  218     .Magneto-electric generator supply
  219     .Periodic switch in the primary circuit of the supply
            transformer
  220     ..Plural transformers in the supply circuit
  221     ..Secondary conductively connected to the primary
  222     ..Plural interrupted transformer coil circuitss
  223     ..Condenser or inductance in the primary circuit
  224     .Impedance or current regulator in the supply circuit
  225     .Periodic switch cut-out
  226     .Plural periodic switches or multiple contact periodic switch
  209 T   .Transistorized ignition systems
  209 CD  .Capacitor dischargeneous ignition systems
  209 M   .Miscellaneous ignition systems
  209 PZ  .Piezoelectric ignition systems
  209 SC  .Silicon controlled rectifier ignition
  227 R   CONDENSER IN THE SUPPLY CIRCUIT
  228     .Plural load device systems
  229     ..Condenser connected to plural cathodes or anodes of
             asymmetrical discharge device loads
  230     ..Discharge control discharge device loads
  231     ..Plural series connected condenser and load device circuits
  232     ..Condenser in shunt to load and supply
  233     .Plural cathode and/or anode discharge device load
  234     ..Condenser in the auxiliary starting electrode circuit
  235     ..Condenser connected to plural cathodes or anodes
  236     .Electromagnetic influenced discharge device load
  237     .Discharge control discharge device load
  238     ..Condenser in the control circuit
  239     .Transformer in the condenser load device circuit
  240     .Electric switch in the condenser circuit
  241 R   .Condenser in shunt to the load device and the supply
  242     ..With an inductance in the circuit
  243     ...Inductance in series with the load device, and the supply
  241 P   ..Photoflash
  241 S   ..Strobe lights
  244     .Inductance in the condenser circuit
  245     .Resistance in the condenser circuit
  227 A   .Arc machining
  246     PULSATING OR A.C. SUPPLY
  247     .With power factor control device
  248     .Induction type discharge device load
  249     .Potential node type discharge device load
  250     .Plural load device systems
  251     ..Inverse parallel connected asymmetrical discharge device
             loads
  252     ..Discharge control discharge device loads
  253     ..Full wave systems with asymmetrical discharge device loads
  254     ..Transformer in the supply circuit
  255     ...Plural transformers in the supply circuit
  256     ....Primaries in series
  257     ...With plural secondary or tapped secondary
  258     ..Inductance in the supply circuit
  259     ...Variable inductance
  260     .Plural cathode and/or anode discharge device load
  261     ..Auxiliary starting electrode type discharge device load
  262     ...Transformer or auxiliary winding in the auxiliary electrode
              circuit
  263     ...Inductance or potential surge generator in the auxiliary
              electrode circuit
  264     ...Impedance in the auxiliary electrode circuit
  265     ..Full wave type system
  266     ...Transformer in the supply circuit
  267     .Electromagnetic influenced discharge device load
  268     .Discharge control discharge device loadd
  269     ..With plural discharge control devices
  270     ..Plural control potentials
  271     ...Plural pulsating and/or A.C. potentials
  272     ..Rectifier and/or discharge device in the control circuit
  273     ...With condenser in the control circuit
  274     ..Transformer in the control circuit
  275     ..Condenser in the control circuit
  276     .Transformer in the supply circuit
  277     ..Plural transformers in the supply circuit
  278     ..Three or more coil type transformers
  279     ..Current regulator in the primary circuit
  280     ..Convertible to inductance
  281     ..Relatively movable core and coil type transformer
  282     ..Regulating transformer
  283     .Inductance in the supply circuit
  284     ..Variable inductance
  285     ...Relatively movable core and coil type inductance
  286     ....Biased movable part with supply current controlled movement
  287     .Periodic type current and/or voltage regulator in the supply
            circuit
  288     THREE OR MORE WIRE DISTRIBUTION SYSTEMS
  289     SURGE GENERATOR OR INDUCTANCE IN THE SUPPLY CIRCUIT
  290     .Circuit interrupter in the inductance circuit
  291     CURRENT AND/OR VOLTAGE REGULATION
  292     .Keyboard operated or pattern controlled regulator
  293     .Pre-selectable regulator systems
  294     .Plural load device regulation
  295     ..Regulator selectively connectable to plural circuits
  296     ..Inverse control of load devices
  297     ..Automatic regulation
  298     ..Mechanically connected regulators
  299     .Plural regulators
  300     ..Current generator control
  301     ..Plural automatic regulators
  302     .Current generator control
  303     ..Control of the prime mover
  304     ..Plural field type generator
  305     ...Three or more fields
  306     .Regulator in shunt to the load device
  307     .Automatic regulation
  308     ..Regulator responsive to plural conditions
  309     ..Thermal responsive regulator
  310     ..Shunted impedance type regulator
  311     ..Variable impedance type regulator
  312     PLURAL LOAD DEVICE SYSTEMS
  313     .Electric switch in the supply circuit
  314     ..Pre-selectable switching systems
  315     ...Electrically controlled load device switch
  316     ..Keyboard or pattern controlled switch
  317     ..Three or more controlled load device circuits
  318     ...Group control systems
  319     ....Four or more groups
  320     ..Plural switches
  321     ...Master circuit closing switch
  322     ..Alternate circuit closing
  323     .Sequential starting
  324     .Plural discharge device loads
  325     ..Discharge control discharge device loadss
  326     DISCHARGE DEVICE LOAD
  327     .Discharge drawing type discharge device
  328     ..Tilting discharge device
  329     ...Electrically controlled tilting
  330     ..Auxiliary starting electrode type
  331     ...Movable auxiliary starting electrode
  332     ....Automatic switch in the electrode moving device circuit
  333     ..Automatic cut-out for the electrode moving device circuit
  334     .Plural cathode and/or anode discharge device load
  335     ..Auxiliary starting electrode type discharge device
  336     ...Plural auxiliary starting electrode
  337     ..Diverse potentials for the discharge electrodes
  338     ..Electromagnetic influenced discharge device
  339     ..Discharge control discharge device load
  340     .With de-ionizing means in the cathode-anode circuit
  341     .With plural discharge control devices
  342     ..Diverse types
  343     ..Plural electromagnetic devices
  344     .Electromagnetic influenced discharge device
  345     ..Rail type discharge device load
  346     ..Plural current supply to the electromagnet
  347     ..Series connected with the load device
  348     ..Pulsating or A.C. supply to the electromagnet
  349     .Discharge control discharge device load
  350     ..Plural control currents and/or potentials
  351     ...Plural pulsating or A.C. currents and/or potentials
  352     ..Rectifier and/or discharge device in the control circuit
  353     ...With condenser in the control circuit
  354     ..Transformer in the control circuit
  355     ..Condenser in the control circuit
  356     ...Inductance in the control circuit
  357     .Movable electrode discharge device
  358     .Plural gases or vapors in the discharge device
  359     PYRO-ELECTRIC DEVICE LOAD
  360     TIME-CONTROLLED
  361     PLURAL CONTROL STATIONS
  362     ELECTRIC SWITCH IN THE SUPPLY CIRCUIT
  363     MISCELLANEOUS SYSTEMS
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 1   Fluorescent lamp circuits with more than two principle
           electrodes
  DIG 2   High frequency starting operation for fluorescent lamp
  DIG 3   Circuit for ion gauges and pressure gauges
  DIG 4   Dimming circuit for fluorescent lamps
  DIG 5   Starting and operating circuit for fluorescent lamp
  DIG 7   Starting and control circuits for gas discharge lamp using
           transistors