Subclass |
| Title |
ClassTitle
|
| ===>
TELEGRAPHY
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| | |
1 | | MISCELLANEOUS |
2R | | SYSTEMS |
3 | | . Automatic |
4 | | . . Printing |
4.1R | | . . . Remote control |
4.1A | | . . . . Radio-controlled |
4.1B | | . . . . Called station identification answer back system |
4.1C | | . . . . Revertive signaling |
15 | | . . Photographic recorder |
16 | | . . Current reversing |
17R | | . . Transmitters or recorders |
17.5 | | . . . Storing |
17A | | . . . Tape and/or keyboard |
17B | | . . . Tape control |
17C | | . . . Keyboard |
17D | | . . . Light, capacity, pneumatic sensing |
17E | | . . . Overlap |
18.01 | | . Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) |
18.02 | | . . Error correction |
18.03 | | . . Writing digitizer pad |
18.04 | | . . . Acoustical (e.g., vibration, ultrasonic, etc.) |
18.05 | | . . . Resistive |
18.06 | | . . . Capacitive |
18.07 | | . . . Inductive |
18.08 | | . . . . Having shield |
18.09 | | . . . Optical |
18.11 | | . . . With illumination |
19.01 | | . . Writing digitizer stylus |
19.02 | | . . . Acoustical stylus |
19.03 | | . . . Capacitive or inductive stylus |
19.04 | | . . . Pressure stylus |
19.05 | | . . . Light pen |
19.06 | | . . . AC source |
19.07 | | . . . . Multifrequency |
20.01 | | . . Writing digitizer circuit |
20.02 | | . . . Electrical filter or multiplexer |
20.03 | | . . . Sampling circuit |
20.04 | | . . . Phase detecting |
21 | | . Stenographic |
23R | | . Printing |
24 | | . . Bulletin |
25 | | . . Page |
26.1 | | . . . Translators |
27 | | . . . Selectors |
28 | | . . . With type-wheel recorder |
29 | | . . . . Recorders |
30 | | . . Character elements |
31 | | . . Multiple-line circuit |
32 | | . . . With type-wheel recorder |
33R | | . . Selectors |
34 | | . . . With type-wheel recorder |
33MP | | . . . Monopulse |
33A | | . . . Double selectors |
35 | | . . With type-wheel recorder |
36 | | . . Recorders |
37 | | . . . Privacy (e.g., mechanical packaging or covering of printed message) |
38 | | . . . With type wheel |
39 | | . . . . Multiple |
40 | | . . . . . Shifting devices |
41 | | . . . . Unisons |
42 | | . . . Paper guiding or feeding |
23A | | . . Error detection in printers |
43 | | . Space induction |
45 | | . Loaded circuit |
46 | | . . Loading coils |
47 | | . Harmonic or reed |
48 | | . . Recorders and receivers |
49 | | . Superposed current |
62 | | . Chemical |
63R | | . Cable or capacity |
63A | | . . Cable repeaters |
63B | | . . Cable transmitters |
63C | | . . Cable receivers |
63D | | . . Cable mechanical structure |
63E | | . . Distortion correction and artificial lines |
63F | | . . Direction reversing |
64 | | . Coil transformer |
65 | | . Dynamo |
66.1 | | . Alternating or pulsating current |
116 | | . . Spark gap or arc discharge |
117 | | . . Coherer |
66.2 | | . . Transmitter keying |
67.1 | | . . Modified semicycle |
69R | | . Line-clearing and circuit maintenance |
69M | | . . Frequency measuring and compensating |
69N | | . . Precorrectors |
69A | | . . Distortion measuring |
69B | | . . Interference neutralizing |
69C | | . . Balancing duplex cables |
69D | | . . Zero wander neutralizers |
69E | | . . Leakage compensation |
69F | | . . Neutralizing line capactive discharge |
69G | | . . Monitoring, alarm and pilot signals |
69H | | . . Reiterative |
69K | | . . Misc. gas-filled tube circuits |
69L | | . . Check back |
69.6 | | . Call |
2A | | . Simplex-reversing periodic |
2B | | . Code changers |
2C | | . Way stations; party lines |
2D | | . Round robins |
2E | | . Satellite |
2F | | . Coin-controlled, connecting, recording |
70R | | REPEATERS |
71.1 | | . Automatic in either direction |
72 | | . . Mechanical circuit retainer |
73 | | . . Multiple line |
71.2 | | . . Distributor |
71.3 | | . . Mechanical |
71.4 | | . . Generator |
71.5 | | . . Artificial line and relay |
71.6 | | . . Vacuum tube and gas magnetron |
71.7 | | . . Code transformer |
71.8 | | . . Oscillatory |
71.9 | | . . One-way repeater switched |
71.11 | | . . Piezoelectric |
71.12 | | . . Vacuum tube and relay |
71.13 | | . . Relay only |
71.14 | | . . Supervisory, alarm, monitor |
70A | | . Relays only |
70B | | . Vibrating relays |
70C | | . Rotary distributors |
70D | | . Mechanical |
70E | | . Tuning forks |
70F | | . Vacuum tubes |
70G | | . . With rotary distributors |
70H | | . Gas tubes |
70K | | . . And distributors |
70M | | . Magnetic |
70N | | . Magnetron repeaters |
70P | | . Photocell |
70Q | | . Piezoelectric |
70J | | . Generator |
70S | | . Having a carrier wave input |
70T | | . Oscillatory |
70TS | | . Using transistors |
74 | | CIRCUITS |
75 | | . Manipulating switch |
76 | | . Retarded closer |
77 | | COMBINED INSTRUMENTS |
78 | | . Portable sets |
79 | | CODE TRANSMITTERS |
80 | | . Combined instruments |
81 | | . . With typewriter |
82R | | . Automatic dot |
82B | | . . With electromagnet |
82A | | . . And dash |
83 | | . Rotary contact |
84 | | . . Drum |
85 | | . Oscillating contact |
86 | | . Reciprocating contact |
118 | | RECEIVERS |
89 | | . Code recorders |
90 | | . . Photographic |
91 | | . . Siphon |
92 | | . . Indenting or perforating |
93 | | . . Polarized |
94 | | . . Pyrographic |
95 | | . . Stop mechanisms |
96 | | . . Inking devices |
97 | | . . Double-tape movement |
98 | | . Sounders |
99.1 | | . . Private (e.g., acoustically shielded) |
100 | | . . Augmenting |
119 | | . Optical member |
120 | | . With electron tube or solid-state device |
101 | | KEYS |
102 | | . Multiple contact |
103 | | . Multiple line |
104 | | . Self-closing |
105 | | . Reversible |
106 | | . Shifting contact point |
107 | | . Knife-edge pivot |
108 | | . Horizontal swing |
109 | | . Spring pivot |
110 | | . Finger buttons |
111 | | TAPES |
112 | | . Perforated |
114 | | INSTRUMENT TABLES |
115 | | LEARNERS' INSTRUMENTS |
| | ********************************* |
| | FOREIGN ART COLLECTIONS |
| | ********************************* |
| | Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. |
| | SYSTEMS |
FOR 100 | | . Writing (178/18) |
FOR 101 | | . . Alternating current (178/19) |
FOR 102 | | . . Variable direct current (178/20) |
FOR 103 | | . Stylus and tablet (178/87) |