Patent
1977-06-28
1979-02-06
Richardson, Robert L.
325457, H03K 2136
Patent
active
041386477
ABSTRACT:
A memory type tuning system having memory locations for storing information corresponding to a limited number of preferred tuning positions includes apparatus for examining the contents of each of the memory locations when information corresponding to a tuning position is being entered to determine if duplication information corresponding to the same tuning position has already been entered in one of the memory locations. If so, the new information is entered in the memory location containing the duplicate information, rather than in an unused memory location to prevent multiple entries of the same information with the resulting undesirable loss of available memory locations.
REFERENCES:
patent: 3940702 (1976-02-01), Yoshimura et al.
patent: 3965336 (1976-06-01), Grohmann
patent: 3968440 (1976-07-01), Ehni
patent: 4023107 (1977-05-01), Tanaka
patent: 4070629 (1978-01-01), Merrell
Chin Tommy P.
Emanuel Peter M.
Rasmussen Paul J.
RCA Corporation
Richardson Robert L.
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