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(en)
*
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1942-02-05 |
1949-11-29 |
Int Standard Electric Corp |
System for measuring frequency deviations
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*
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1942-07-17 |
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US2480171A
(en)
*
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1943-02-18 |
1949-08-30 |
Sperry Corp |
Pulse receiver system for improved target tracking
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US2507576A
(en)
*
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1945-01-19 |
1950-05-16 |
Avco Mfg Corp |
Push-button tuner for radio receivers
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US2533045A
(en)
*
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1945-03-16 |
1950-12-05 |
Avco Mfg Corp |
Superheterodyne radio receiver
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(en)
*
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1945-03-24 |
1950-06-06 |
Avco Mfg Corp |
Frequency modulation receiver
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(en)
*
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1948-02-24 |
1953-04-14 |
Marconi S Wireless Telegrpah C |
Variable electrical filter
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*
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1951-05-04 |
1955-07-12 |
Robert W Hart |
Communication system
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(en)
*
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1953-10-02 |
1958-09-02 |
Robert W Hart |
Selective receiver
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*
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1984-10-16 |
1986-04-17 |
Hansen/Catito Elektronik, 1000 Berlin |
Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
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DE3724604A1
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1987-04-15 |
1988-12-01 |
H U C Elektronik Gmbh |
Anordnung zum filtern eines fm-ukw-empfangssignals
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DE3818750A1
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*
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1988-05-30 |
1989-12-14 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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(de)
*
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1988-05-30 |
1989-12-21 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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DE3818752A1
(de)
*
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1988-05-30 |
1989-12-07 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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DE3818748A1
(de)
*
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1988-05-30 |
1989-12-21 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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DE3818751A1
(de)
*
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1988-05-30 |
1989-12-07 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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DE3818753A1
(de)
*
|
1988-05-30 |
1989-12-21 |
H U C Elektronik Gmbh |
Fm-empfangsteil
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2004-06-30 |
2007-09-18 |
Silicon Laboratories Inc. |
Integrated low-IF terrestrial audio broadcast receiver and associated method
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