3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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AbstractAccording to one embodiment a system is disclosed. The system includes a first integrated circuit (IC) a first interface coupled to the first IC and a second IC coupled to the interface. The first IC transmits the state of each of a plurality of signals not associated with the interface to the second IC in-band via the interface each time that a change in the state of one of the plurality of signals is detected.Other References
| InventorAssigneeApplicationNo. 10811551 filed on 03/29/2004US Classes:710/105, Protocol361/103, Circuit interruption by thermal sensing347/9, Of ejector368/118, Including time base oscillator375/354, SYNCHRONIZERS375/215, Phase locked loop714/733Built-in testing circuit (BILBO)Field of Search710/105ProtocolExaminersPrimary: Cottingham, John R.Assistant: Daley, Christopher Attorney, Agent or FirmUS Patent References5805403, Integrated circuit temperature monitoring and protection systemIssued on: 09/08/1998 Inventor: Chemla6108729Serial bus system for shadowing registers Issued on: 08/22/2000 Inventor: Maguire, et al. International ClassG06F 13/42 |