Piezoelectric transducer for recording video information

Details Piezoelectric transducer for recording video information Piezoelectric transducer for recording video information

1980-10-27

1982-09-14

Faber, Alan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369144, 369170, 310328, G11B 332

Patent

active

043499023

ABSTRACT:
A cutterhead assembly suitable for forming a topographic signal representative pattern in a recording media, such as a disc substrate, is constructed having a base member, a piezoelectric element and a cutting stylus. The piezoelectric element in this structure is asymmetrically assembled to the base member to reduce phase modulation of the recorded signal which would otherwise occur from the transverse motion of the stylus during the cutting operation.

REFERENCES:
patent: Re29113 (1977-01-01), Halter
patent: 3805100 (1974-04-01), Klemp
patent: 3824352 (1974-07-01), Adler
patent: 3835262 (1974-09-01), Moritz
patent: 3842194 (1974-10-01), Clemens
patent: 3976830 (1976-08-01), Glenn
patent: 4035590 (1977-07-01), Halter
patent: 4044379 (1977-08-01), Halter
patent: 4194094 (1980-03-01), Redlich

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