Technique for automatic tracking of cassette rentals and managing of information related thereto
US4839875A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | May 14, 1987 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | May 14, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/90
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A rental control system for controlling the rent and return of cassettes is disclosed. Each cassette internally contains an article such as a recorded information medium, with an IC circuit for storing commodity information concerning the article, and a signal output unit for transferring the commodity information of the IC circuit to outside. For controlling the cassettes, the rent control system further comprises a plurality of shelves and a controller. The plurality of shelves respectively accommodate the cassettes to be controlled. The controller is provided in connection with the plurality of shelves, and includes a plurality of signal input unit for receiving signals from the signal output units of the cassettes, and a memory coupled with the control circuit so as to store signals from the plurality of signal input units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.