Musical instrument keyboard

• US 3,342,094 A
• Filed: 11/04/1966
• Issued: 09/19/1967
• Est. Priority Date: 11/04/1966
• Status: Expired due to Term

• Current Assignee: Ervin M. Wilson
• Original Assignee: Ervin M. Wilson
• Inventors: Wilson, Ervin M.
• Application Number:
  US04/592,174
• Time in Patent Office: 319 Days
• US Class Current: 84/423.00R
• CPC Class Codes: G10C 3/12 Keyboards; Keys
• CPC Class Codes: G10H 1/34 Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
• CPC Class Codes: Y10S 84/25 Pedal clavier

Claims

1. A MUSICAL INSTRUMENT KEYBOARD INCLUDING:

A PLURALITY OF KEYS;

AND KEY RESPONSIVE MEANS FOR ENABLING THE GENERATION OF TONES INDIVIDUAL TO SAID KEYS, RESPECTIVELY, SAID KEYS BEING ARRANGED IN A PLURALITY OF PARALLEL COLUMNS STAGGERED WITH RESPECT TO EACH OTHER SUCH THAT RELATIVE TO AN X-Y RECTANGULAR COORDINATE SYSTEM IN WHICH THE Y AXIS COINCIDES WITH ONE OF SAID COLUMNS AND ONE KEY IN SAID ONE COLUMN CORRESPONDS TO THE ORIGIN, THE REMAINING KEYS IN SAID COLUMN FROM THE ORIGIN FALL ON EVERY FIFTH Y COORDINATE, AND SUCCESSIVE INTEGRAL X COORDINATES FROM SAID ORIGIN DEFINE THE INTERSECTIONS OF SAID COLUMNS WITH THE X AXIS, THE SECOND KEY FROM THE ORIGIN IN AN X DIRECTION BEING POSITIONED ONE Y COORDINATE FROM THE X AXIS AND THE THIRD KEY FROM THE ORIGIN IN THE SAME X DIRECTION BEING POSITIONED ONE Y COORDINATE OF OPPOSITE SIGN FROM THE X AXIS.