Patent assignee · US · COMPANY

Aspen Peripherals Corp.

10Patents
0Active
10Granted
27Portfolio score

Filing activity: Jun 11, 1986 → Sep 8, 1988

Most-cited patents

PatentTitleAreaCited byStatus
US4742407A Tape threading device Physics 22 Expired
US4717090A Device for restoring and removing a tape leader block to and from a tape cassette Physics 12 Expired
US4709873A Device for positioning a tape threader pin in a take-up reel Physics 9 Expired
US4870645A Single syndrome generator for forward and reverse read of high density magnetic tape and method therefor Physics 9 Expired
US4901035A Phase-locked loop control for reading data off storage media Electricity 9 Expired
USD313797S Tape cartridge data storage system General 8 Expired
US4681278A Guide for restoring and removing a tape leader block to and from a tape cassette Physics 7 Expired
US4814673A Reel to reel tape radius measurement apparatus and method therefor Physics 4 Expired
US4884274A Detection of non-zero errors in the prefix and completion frames of high density magnetic tapes and apparatus therefor Physics 2 Expired
US4949197A Dead track acquisition for phase-locked loop control Physics 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.