The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 1994
Filed:
Aug. 14, 1991
David A Beidle, Longmont, CO (US);
Karen L Fields, Broomfield, CO (US);
Catherine L Griffith, Louisville, CO (US);
Frederick G Munro, Broomfield, CO (US);
Other;
Abstract
A method is disclosed for providing a host-independent cartridge entry mode in an automated tape cartridge library connected to more than one host computer. In host-independent cartridge entry mode, a message is broadcast by a library management unit to all of the host computers when an operator loads a cartridge or cartridges into the library cartridge access port. The host computers then vie for control of the cartridge access port, and a selection algorithm determines which host computer is allocated to control the cartridge access port. The selected host computer then catalogs the cartridges contained in the cartridge access port and issues a command to move the cartridges out of the cartridge access port. When the automated library is in host-independent mode, the operator need not issue a command each time additional cartridges are to be entered into the library, since the method of the present invention initiates automatic cartridge catalog and cartridge move operations whenever a cartridge access port door is closed.