Method for producing and recovery film assembly control film holder or mounted lens

Abstract

In a production process of a photo film cartridge, data relating to respective components and data obtained during the production process is written in an IC memory that is mounted to a cartridge shell of the photo film cartridge. The data written in the IC memory is read out at later stages of the production process for use in controlling production of the photo film cartridge. The data is at least partly maintained stored in the IC memory after the shipment, for use in tracing production history of the photo film cartridge. When a photo film cartridge having an IC memory is for use in a lens-fitted photo film unit, unit type data indicating the type of the film unit are written in the IC memory before loading the photo film cartridge in the film unit. The unit type data is read out from the IC memory to choose a proper type of packaging materials for the film unit before a unit body of the film unit is wrapped and packed in the packaging materials.

Description

technical field [0001] The present invention relates to a method of controlling production or recycling of photo film cassettes or lens-fitted photo film units, and more particularly, to a method of managing information using an IC memory mounted on a photo film cassette or film unit, using Controlling the recycling process and quality in the production process of photo film cassettes and lens-fitted photo film units. Background technique [0002] Japanese Patent Laid-Open JP-B 4-59627 describes a production control method for controlling the production and packaging of photographic film cassettes, in which an optically readable indicator mark similar to a barcode is provided for each of the semi-finished product, finished product or part, and is read by an optical sensor. Out, to control the appropriate schedule of production. The general production control method using barcodes as indicator marks is disclosed in JP-B 57-28131, in which barcodes are used for checking betwe...

AI Technical Summary

Problems solved by technology

[0013] Since both the CCD camera and the image recognition device for recognizing the type of the film unit based on the image data are expensive, the type recognition systems disclosed in the above prior art are also expensive.

In addition to this, the type recognition system cannot distinguish between those types that have the same appearance

Furthermore, the identification system of the above-mentioned U.S. patent is expensive because a large number of trays with ID units are used, and each ID unit contains a CPU

In addition, these brackets need to be inspected, which increases the number of processes required for identification

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