Magnetic and optical complex sensor unit

Kazuaki Chiba; Takao Kobayashi; Yuichi Obara; Hajime Mochizuki

doi:10.1117/12.22996

Abstract

The authors developed a high-performance magnetic and optical complex sensor unit used for applications requiring high security, such as discrimination of notes, cards, etc. This new sensor unit has a sensor head constructed of a magnetic head and a reflective-type photo sensor embedded in a small gap of the magnetic head. And enables correct pattern recognition by optical information obtained together with conventional magnetic information. Traveling this sensor head in contact with the surface of the subject of discrimination can detect difference of reflectance at the same time as the magnetic detection at the same point of place. As a result it became possible to discriminate for example, bills of any size in any country.

Citation Download Citation

Kazuaki Chiba, Kazuaki Chiba, Takao Kobayashi, Takao Kobayashi, Yuichi Obara, Yuichi Obara, Hajime Mochizuki, Hajime Mochizuki, } "Magnetic and optical complex sensor unit", Proc. SPIE 1338, Optoelectronic Devices and Applications, (1 November 1990); doi: 10.1117/12.22996; https://doi.org/10.1117/12.22996

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years