| 3/00 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) |
| 3/02 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads |
| 3/04 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Multiple, convertible, or alternative transducing arrangements |
| 3/06 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Determining or indicating position of head |
| 3/08 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers |
| 3/085 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means (G11B 3/095 takes precedence) |
| 3/09 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using manual means only (G11B 3/095 takes precedence) |
| 3/095 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record |
| 3/10 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers |
| 3/12 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse |
| 3/14 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight (G11B 3/28 takes precedence) |
| 3/16 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight (G11B 3/28 takes precedence) adjustable |
| 3/18 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight (G11B 3/28 takes precedence) Damping by using viscosity effect |
| 3/20 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring (G11B 3/28 takes precedence) |
| 3/22 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring (G11B 3/28 takes precedence) adjustable |
| 3/24 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring (G11B 3/28 takes precedence) acting to decrease pressure on record |
| 3/26 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring (G11B 3/28 takes precedence) acting to increase pressure on record |
| 3/28 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse providing transverse bias parallel to record |
| 3/30 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in inoperative position |
| 3/31 | Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in inoperative position Construction of arms |
