Title:
【発明の名称】フィルム検知装置
Document Type and Number:
Japanese Patent JP2922293
Kind Code:
B2
Abstract:
Apparatus for detecting the presence of processed photograph film at a particular location comprises a light source which emits green or blue light having a wavelength in the range of 420-600 nanometers. A light sensors positioned to receive light from the light source when the film is not present. An infrared filter and a filter for transmitting light in the range of wavelengths emitted by the light source are positioned in front of the light sensor.
Inventors:
HOOTON ROBAATO RUISU
BATSUKASU RICHAADO JUDOSON
BATSUKASU RICHAADO JUDOSON
Application Number:
JP50290190A
Publication Date:
July 19, 1999
Filing Date:
January 31, 1990
Export Citation:
Assignee:
IISUTOMAN KODATSUKU CO
International Classes:
B65H7/14; G03B27/32; G03B1/00; G03B27/46; G03B27/62; G03D13/00; (IPC1-7): G03B27/46; G03B27/32
Domestic Patent References:
| JP63157087A | ||||
| JP59125769A | ||||
| JP57205729A | ||||
| JP63195647A | ||||
| JP5340344B2 |
Attorney, Agent or Firm:
Takashi Ishida (3 others)