Software on an image-capturing device iteratively captures a visual code in a series of visual
codes displayed in a repeating progression on a screen of a mobile device. The visual code …

An information processing program causes a computer to execute: encoding information to
be transmitted, to determine a luminance change frequency; and outputting a signal of the …

A quality management system for products including a multiplicity of barcoded quality
indicators, a barcode indicator reader and a product type responsive indication interpreter …

A tamper-proof barcoded quality indicator operative to provide a machine-readable
indication of exceedance of time and temperature thresholds following actuation thereof …

A barcoded indicator operative to provide a machine-readable indication of exceedance of
at least one threshold by at least one product quality affecting parameter, the barcoded …

A quality management system for products including a multiplicity of product unit specific
indicators, each operative to provide a machine-readable indication of exceedence of at …

An access control method can include sending an identification code to an access node
using a mobile telephone. If the identification code is recognized as valid, an access code is …

An information communication method of transmitting a signal using a change in luminance
is provided. The information communication method includes: determining a pattern of the …

A barcoded indicator operative to provide a machine-readable indication of exceedance of
at least one threshold by at least one product quality affecting parameter, the barcoded …

To control access to a predetermined service or area, a system receives an activation signal
indicative of a user's activation of an access code. As a result of receiving the activation …