US PATENT SUBCLASS 178 / 17 R
.~.~ Transmitters or recorders

Current as of: June, 1999
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178 /   HD   TELEGRAPHY

2 R  DF  SYSTEMS {21}
3  DF  .~ Automatic {4}
17 R.~.~ Transmitters or recorders {6}
17.5  DF  .~.~.~> Storing
17 A  DF  .~.~.~> Tape and/or keyboard
17 B  DF  .~.~.~> Tape control
17 C  DF  .~.~.~> Keyboard
17 D  DF  .~.~.~> Light, capacity, pneumatic sensing
17 E  DF  .~.~.~> Overlap

Unofficial Alpha Subclasses: R A B C D E

DEFINITION

Classification: 178/17

(under subclass 3) Means specific to automatic systems for transmitting automatically or for recording.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3+, for automatic transmitters combined in systems, particularly subclass 4 for printing systems, and subclass 16 for current reversing systems.

36, for type printing recorders.

43, for space induction systems.

48, for receivers and recorders peculiar to harmonic or tone telegraphy.

62, for recorders operating by chemical action. 79, for transmitters for transmitting code signals and not specific to any particular system of telegraphy.

89, for Morse registers and other code-recorders for producing a record of code signals on suitable receiving surfaces.

SEE OR SEARCH CLASS

83, Cutting, appropriate subclasses, particularly

202+, for a feeding and cutting or punching machine.

84, Music,

19, for perforated-strip controlled pianos; subclass 107 for perforated-strip controlled musical instruments; subclass 147 for perforated-strip controlled automatic selectors; and subclass 462 for electric type recording devices.

234, Selective Cutting (e.g., Punching), for a selective punching machine, and appropriate subclasses for pattern control, programmed control, etc., of such a machine.

276, Typesetting,

12+, for perforated strip and keyboard transmitting apparatus.

340, Communications: Electrical, 287+, and 533+ for signal box telegraph systems having signal box transmitters.

341, Coded Data Generation or Conversion,

20+, and 173+ for a pulse code transmitter.

361, Electricity: Electrical Systems and Devices,

245+, for pole changing transmitters or current reversers.