(under the class definition) Devices in which the contact is controlled by means of a perforated or embossed sheet, card, or strip.
(1) Note. This subclass is limited to such devices, per se.
SEE OR SEARCH CLASS
84, Music, in most subclasses of "Automatic" that have the word "electric" in the titles, for combinations of pattern-sheet-controlled circuit closers in a system.
178, Telegraphy,
3, for pattern-operated automatic telegraph systems, and subclass 17 for pattern-operated telegraph transmitters or recorders.
234, Selective Cutting (e.g., Punching), 59+, for a pattern controlled selective cutting machine which may involve electrical circuit controllers.
235, Registers,
56, for voting machines using sheet controlled switches, and subclasses 441+, 444+ and 452 for record-sensing devices wherein switches may be opened or closed or circuits made in accordance with areas on the record that contain coded indicia, the area where said indicia is sensed conveying particular information.
341, Coded Data Generation or Conversion,
20+, and 173+ for a pulse code transmitter of general utility.
