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Class Information
Number: 178
Name: Telegraphy >
Description: Means for transmitting to a distance messages, unlimited with respect to the extent of information they are adapted to convey, and the transmission and facsimile reproduction of written, printed, or otherwise produced characters, marks, pictures, etc., unlimited with respect to form or outline, by the utilization of conductive or inductive electrical current impulses or reversals, the elements of the messages being selected or composed at will, according to a prearranged code, or the transmitter being actuated or controlled by a previously designed pattern.
| Class Number |
Class Name |
No. of Patents | | 178/74 |
Circuits |
4 | | 178/75 |
Manipulating switch |
0 | | 178/76 |
Retarded closer |
0 | | 178/79 |
Code transmitters |
22 | | 178/82R |
Automatic dot |
0 | | 178/82A |
And dash |
1 | | 178/82B |
With electromagnet |
0 | | 178/80 |
Combined instruments |
0 | | 178/81 |
With typewriter |
6 | | 178/85 |
Oscillating contact |
0 | | 178/86 |
Reciprocating contact |
1 | | 178/83 |
Rotary contact |
0 | | 178/84 |
Drum |
0 | | 178/77 |
Combined instruments |
1 | | 178/78 |
Portable sets |
0 | | 178/114 |
Instrument tables |
1 | | 178/101 |
Keys |
3 | | 178/110 |
Finger buttons |
2 | | 178/108 |
Horizontal swing |
0 | | 178/107 |
Knife-edge pivot |
0 | | 178/102 |
Multiple contact |
2 | | 178/103 |
Multiple line |
1 | | 178/105 |
Reversible |
0 | | 178/104 |
Self-closing |
1 | | 178/106 |
Shifting contact point |
0 | | 178/109 |
Spring pivot |
1 | | 178/115 |
Learners' instruments |
3 | | 178/1 |
Miscellaneous |
6 | | 178/118 |
Receivers |
2 | | 178/89 |
Code recorders |
1 | | 178/97 |
Double-tape movement |
0 | | 178/92 |
Indenting or perforating |
2 | | 178/96 |
Inking devices |
1 | | 178/90 |
Photographic |
2 | | 178/93 |
Polarized |
0 | | 178/94 |
Pyrographic |
1 | | 178/91 |
Siphon |
0 | | 178/95 |
Stop mechanisms |
1 | | 178/119 |
Optical member |
1 | | 178/98 |
Sounders |
0 | | 178/100 |
Augmenting |
0 | | 178/99.1 |
Private (e.g., acoustically shielded) |
0 | | 178/120 |
With electron tube or solid-state device |
1 | | 178/70R |
Repeaters |
31 | | 178/71.1 |
Automatic in either direction |
18 | | 178/71.5 |
Artificial line and relay |
0 | | 178/71.7 |
Code transformer |
0 | | 178/71.2 |
Distributor |
0 | | 178/71.4 |
Generator |
0 | | 178/72 |
Mechanical circuit retainer |
0 | | 178/71.3 |
Mechanical |
0 | | 178/73 |
Multiple line |
7 | | 178/71.9 |
One-way repeater switched |
0 | | 178/71.8 |
Oscillatory |
1 | | 178/71.11 |
Piezoelectric |
0 | | 178/71.13 |
Relay only |
0 | | 178/71.14 |
Supervisory, alarm, monitor |
8 | | 178/71.6 |
Vacuum tube and gas magnetron |
0 | | 178/71.12 |
Vacuum tube and relay |
0 | | 178/70H |
Gas tubes |
0 | | 178/70K |
And distributors |
0 | | 178/70J |
Generator |
0 | | 178/70S |
Having a carrier wave input |
3 | | 178/70M |
Magnetic |
0 | | 178/70N |
Magnetron repeaters |
0 | | 178/70D |
Mechanical |
0 | | 178/70T |
Oscillatory |
2 | | 178/70P |
Photocell |
0 | | 178/70Q |
Piezoelectric |
0 | | 178/70A |
Relays only |
0 | | 178/70C |
Rotary distributors |
0 | | 178/70E |
Tuning forks |
0 | | 178/70TS |
Using transistors |
1 | | 178/70F |
Vacuum tubes |
0 | | 178/70G |
With rotary distributors |
0 | | 178/70B |
Vibrating relays |
0 | | 178/2R |
Systems |
43 | | | Systems | | | 178/66.1 |
Alternating or pulsating current |
15 | | 178/117 |
Coherer |
0 | | 178/67.1 |
Modified semicycle |
1 | | 178/116 |
Spark gap or arc discharge |
5 | | 178/66.2 |
Transmitter keying |
0 | | 178/3 |
Automatic |
86 | | 178/16 |
Current reversing |
1 | | 178/15 |
Photographic recorder |
35 | | 178/4 |
Printing |
14 | | 178/4.1R |
Remote control |
8 | | 178/4.1B |
Called station identification answer back system |
2 | | 178/4.1A |
Radio-controlled |
5 | | 178/4.1C |
Revertive signaling |
1 | | 178/17R |
Transmitters or recorders |
7 | | 178/17C |
Keyboard |
56 | | 178/17D |
Light, capacity, pneumatic sensing |
8 | | 178/17E |
Overlap |
0 | | 178/17.5 |
Storing |
30 | | 178/17A |
Tape and/or keyboard |
1 | | 178/17B |
Tape control |
5 | | 178/63R |
Cable or capacity |
15 | | 178/63D |
Cable mechanical structure |
1 | | 178/63C |
Cable receivers |
4 | | 178/63A |
Cable repeaters |
2 | | 178/63B |
Cable transmitters |
1 | | 178/63F |
Direction reversing |
3 | | 178/63E |
Distortion correction and artificial lines |
11 | | 178/69.6 |
Call |
3 | | 178/62 |
Chemical |
1 | | 178/2B |
Code changers |
15 | | 178/64 |
Coil transformer |
0 | | 178/2F |
Coin-controlled, connecting, recording |
0 | | 178/65 |
Dynamo |
0 | | 178/47 |
Harmonic or reed |
0 | | 178/48 |
Recorders and receivers |
0 | | 178/69R |
Line-clearing and circuit maintenance |
20 | | 178/69C |
Balancing duplex cables |
2 | | 178/69L |
Check back |
1 | | 178/69A |
Distortion measuring |
17 | | 178/69M |
Frequency measuring and compensating |
1 | | 178/69B |
Interference neutralizing |
5 | | 178/69E |
Leakage compensation |
1 | | 178/69K |
Misc. gas-filled tube circuits |
0 | | 178/69G |
Monitoring, alarm and pilot signals |
31 | | 178/69F |
Neutralizing line capactive discharge |
2 | | 178/69N |
Precorrectors |
6 | | 178/69H |
Reiterative |
1 | | 178/69D |
Zero wander neutralizers |
3 | | 178/45 |
Loaded circuit |
8 | | 178/46 |
Loading coils |
21 | | 178/18.01 |
Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) |
711 | | 178/18.02 |
Error correction |
114 | | 178/20.01 |
Writing digitizer circuit |
77 | | 178/20.02 |
Electrical filter or multiplexer |
48 | | 178/20.04 |
Phase detecting |
58 | | 178/20.03 |
Sampling circuit |
30 | | 178/18.03 |
Writing digitizer pad |
376 | | 178/18.04 |
Acoustical (e.g., vibration, ultrasonic, etc.) |
210 | | 178/18.06 |
Capacitive |
176 | | 178/18.07 |
Inductive |
201 | | 178/18.08 |
Having shield |
22 | | 178/18.09 |
Optical |
133 | | 178/18.05 |
Resistive |
263 | | 178/18.11 |
With illumination |
41 | | 178/19.01 |
Writing digitizer stylus |
331 | | 178/19.06 |
Ac source |
28 | | 178/19.07 |
Multifrequency |
22 | | 178/19.02 |
Acoustical stylus |
87 | | 178/19.03 |
Capacitive or inductive stylus |
147 | | 178/19.05 |
Light pen |
87 | | 178/19.04 |
Pressure stylus |
121 | | 178/23R |
Printing |
34 | | 178/24 |
Bulletin |
1 | | 178/30 |
Character elements |
120 | | 178/23A |
Error detection in printers |
6 | | 178/31 |
Multiple-line circuit |
1 | | 178/32 |
With type-wheel recorder |
1 | | 178/25 |
Page |
5 | | 178/27 |
Selectors |
1 | | 178/26.1 |
Translators |
2 | | 178/28 |
With type-wheel recorder |
1 | | 178/29 |
Recorders |
1 | | 178/36 |
Recorders |
0 | | 178/42 |
Paper guiding or feeding |
7 | | 178/37 |
Privacy (e.g., mechanical packaging or covering of printed message) |
5 | | 178/38 |
With type wheel |
1 | | 178/39 |
Multiple |
0 | | 178/40 |
Shifting devices |
1 | | 178/41 |
Unisons |
0 | | 178/33R |
Selectors |
3 | | 178/33A |
Double selectors |
0 | | 178/33MP |
Monopulse |
0 | | 178/34 |
With type-wheel recorder |
6 | | 178/35 |
With type-wheel recorder |
1 | | 178/2D |
Round robins |
7 | | 178/2E |
Satellite |
1 | | 178/2A |
Simplex-reversing periodic |
1 | | 178/43 |
Space induction |
4 | | 178/21 |
Stenographic |
9 | | 178/49 |
Superposed current |
2 | | 178/2C |
Way stations; party lines |
14 | | 178/111 |
Tapes |
0 | | 178/112 |
Perforated |
0 | |
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