APPARATUS FOR ADJUSTING FOCUS POSITION OF LENS

APPARATUS FOR ADJUSTING FOCUS POSITION OF LENS

PROBLEM TO BE SOLVED: To provide a lens focus position-adjusting apparatus which can highly accurately and smoothly adjust lens focus position. SOLUTION: A pin 11a eccentrically set at the end face of an adjusting rod 11 is fitted in a groove on the outer face of a lens frame. The lens frame is move...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FUJII HIROTSUYO, MORITA TAKU
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a lens focus position-adjusting apparatus which can highly accurately and smoothly adjust lens focus position. SOLUTION: A pin 11a eccentrically set at the end face of an adjusting rod 11 is fitted in a groove on the outer face of a lens frame. The lens frame is moved in an axial direction by turning the adjusting rod 11, thereby to adjust a focus position of a lens in the lens frame in the lens focus position adjustment apparatus. The pin 11a is set at the end face of the adjusting rod 11 freely turnably.