Signal pick-up apparatus for reproducing a recording disc
AssigneeVictor Company of Japan, Ltd.
InventorOsamu Tajima
Life of this patent
Estimating the term…
Abstract
In a signal pick-up apparatus for reproducing a recording disc, a pick-up cartridge casing is detachably loaded at a predetermined position on a pick-up apparatus structure. An arm is rotatably supported at one end thereof, within the casing. At its other end, the pick-up arm has a reproducing stylus which contacts the recording disc, an elastic member for supporting the pick-up arm with respect to said arm support member, and a member for urging the arm support member in a direction which accommodates the pick-up arm within said casing. The other end of the arm support member is depressed, within a direction for causing the reproducing stylus to contact the recording disc and further causing the elastic member to deform after a contact between of the reproducing stylus and the recording disc.
Claims10
A signal pick-up apparatus for reproducing a recording disc, comprising:
- a pick-up cartridge comprising a pick-up cartridge casing detachably loaded at a predetermined position on a pick-up apparatus structure,
- a rigid stylus arm support member rotatably supported at one end thereof within said casing,
- a pick-up arm having a distal end with a reproducing stylus mounted thereon to make contact with a recording disc,
- elastic means for supporting said pick-up arm with respect to said arm support member, and
- means within said casing for urging said stylus arm support member in a direction for retracting said pick-up arm away from said recording disc with a predetermined relationship between the stylus arm support member and the pick-up arm;
- and
- depressing means on the apparatus structure for depressing the other end of the stylus arm support member without changing said predetermined relationship when the pick-up cartridge is loaded into the predetermined position on the apparatus structure, said depression being in a direction for causing the reproducing stylus of said pick-up arm to contact the recording disc and further causing said elastic means to deform only after the stylus makes contact with the recording disc.
A signal pick-up apparatus for reproducing a recording disc, comprising:
- a pick-up cartridge comprising a pick-up cartridge casing detachably loaded at a predetermined position on a pick-up apparatus structure,
- a stylus arm support member rotatably supported at one end thereof within said casing,
- a pick-up arm having a distal end with a reproducing stylus mounted thereon to make contact with a recording disc, elastic means for supporting said pick-up arm with respect to said arm support member, and
- means for urging said arm support member in a direction for retracting said pick-up arm within said casing;
- and
- depressing means on the apparatus structure for depressing the other end of the stylus arm support member when the pick-up cartridge is loaded into the predetermined position on the apparatus structure, said depression being in a direction for causing the reproducing stylus of said pick-up arm to contact the recording disc and further causing said elastic means to deform after the stylus makes contact with the recording disc;
- said elastic means comprising at least two rings made of elastic material, said rings being positioned at least near both ends of said pick-up arm to said arm support member.
A signal pick-up apparatus for reproducing a recording disc, comprising:
- a pick-up cartridge comprising a pick-up cartridge casing detachably loaded at a predetermined position on a pick-up apparatus structure,
- a stylus arm support member rotatably supported at one end thereof within said casing,
- a pick-up arm having a distal end with a reproducing stylus mounted thereon to make contact with a recording disc, elastic means for supporting said pick-up arm with respect to said arm support member, and means for urging said arm support member in a direction for retracting said pick-up arm within said casing;
- and depressing means on the apparatus structure for depressing the other end of the stylus arm support member when the pick-up cartridge is loaded into the predetermined position of the apparatus structure, said depression being in a direction for causing the reproducing stylus of said pick-up arm to contact the recording disc and further causing said elastic means to deform after the stylus makes contact with the recording disc;
- said elastic means comprising at least two frame-shaped dampers made of elastic material, said frames being positioned at least near both ends of said pickup arm to said arm support member.
Dependencies are inferred from the claim text.