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Electrical & Energy
Class Information
Number:
315/29R
Name:
Electric lamp and discharge devices: systems
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
315/1
Cathode ray tube circuits
60
315/108
Confined gas or vapor-type load device with pressure regulating means
25
315/111.01
Discharge device load with fluent material supply to the discharge space
110
315/112
With load device temperature modifier
94
315/119
With automatic shunt and/or cutout
173
315/129
With signal, indicator, or alarm
130
315/137
Polyphase a.c. supply
13
315/149
With radiant energy sensitive control means
240
315/160
Plural power supplies
65
315/177
Load device in the primary and secondary circuit of the supply transformer
26
315/178
Plural diverse-type load devices
44
315/184
Three or more load devices connected between diverse pairs of paired conductors
7
315/185R
Plural series connected load devices
170
315/194
Regulation of the control current and/or potential applied to discharge control discharge device loads by phase shifting means
234
315/200R
Discharge device and/or rectifier in the supply circuit
233
315/209R
Periodic switch in the supply circuit
1,394
315/227R
Condenser in the supply circuit
109
315/246
Pulsating or a.c. supply
344
315/288
Three or more wire distribution systems
15
315/289
Surge generator or inductance in the supply circuit
236
315/291
Current and/or voltage regulation
2,232
315/312
Plural load device systems
532
315/32
Combined load device or load device temperature modifying means and electrical circuit device structure
30
315/326
Discharge device load
78
315/359
Pyro-electric device load
2
315/360
Time-controlled
453
315/361
Plural control stations
31
315/362
Electric switch in the supply circuit
314
315/363
Miscellaneous systems
62
315/500
High energy particle accelerator tube
189
315/76
Special application
86
315/84.51
Pulse storing systems of the gaseous discharge-tube type
8
315/85
With electromagnetic wave radiation preventing or shielding means
232
315/86
Automatic substitution of the power supply
156
315/88
Automatic substitution of the load device or electrode
53
315/94
With cathode or cathode heater supply circuit
132
315/DIG.1
Fluorescent lamp circuits with more than two principle electrodes
31
315/DIG.2
High frequency starting operation for fluorescent lamp
142
315/DIG.3
Circuit for ion gauges and pressure gauges
0
315/DIG.4
Dimming circuit for fluorescent lamps
664
315/DIG.5
Starting and operating circuit for fluorescent lamp
747
315/DIG.7
Starting and control circuits for gas discharge lamp using transistors
1,119
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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