Inventor

TRAMBARULO RALPH F

5 patents

⚠️ This page may combine multiple inventors who share the name “TRAMBARULO RALPH F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BELL TELEPHONE LABOR INC

2 patents

US4233579ANov 11, 1980

Technique for suppressing spurious resonances in strip transmission line circuits

BELL TELEPHONE LABOR INC33 citations90

US4325144AApr 13, 1982

Hysteretic SIS junction mixer

BELL TELEPHONE LABOR INC4 citations57

AT & T CORP

1 patent

US5394159AFeb 28, 1995

Microstrip patch antenna with embedded detector

AT & T CORP68 citations95

AT & T BELL LAB

1 patent

US4612518ASep 16, 1986

QPSK modulator or demodulator using subharmonic pump carrier signals

AT & T BELL LAB110 citations95

AMERICAN TELEPHONE & TELEGRAPH

1 patent

US4689631AAug 25, 1987

Space amplifier

AMERICAN TELEPHONE & TELEGRAPH41 citations91