MAGNETIC TAPE DEFECT DETECTOR

• Main Authors: KOGA HIROHISA, KISHIMOTO KEITA
• Format: Patent
• Language: English
• Published: 04.04.1997
• Edition: 6
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

PROBLEM TO BE SOLVED: To detect a defect of a magnetic tape with high accuracy, with a simple constitution and at low cost. SOLUTION: In a light emitting optical system 30, a halogen lamp 31 is positioned shorter than a focal length of a condenser lens 42, and light emitted from this lamp 31 is proj...