FM vehicle radio with modular phase shifters

Details FM vehicle radio with modular phase shifters FM vehicle radio with modular phase shifters

1992-02-26

1994-09-06

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

455205, 455273, 4552761, 333119, 333131, H04B 1702

Patent

active

053456041

ABSTRACT:
A modularly-designed FM vehicle radio for operation in connection with a plurality of antennas is disclosed, where the summing circuit consists of a series connection of the secondary coils of the output transformers of the input stages.

REFERENCES:
patent: 2420868 (1947-05-01), Crosby
patent: 2975275 (1961-03-01), Adams
patent: 3273079 (1966-09-01), Curtis
patent: 3296557 (1967-01-01), Petts, 3rd et al.
patent: 3528012 (1970-09-01), Kahn
patent: 3609663 (1971-09-01), Bickford et al.
patent: 4355419 (1982-10-01), Hiyama
patent: 4939791 (1990-07-01), Bochmann et al.

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