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US4660192A
(en)
|
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Simultaneous AM and FM transmitter and receiver
|
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US2550821A
(en)
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Combined television and sound system
|
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US2468059A
(en)
|
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Pulse time modulated multiplex system
|
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US4365327A
(en)
|
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Method of and means for spread-spectrum transmission
|
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DE1284487B
(de)
|
|
Mehrkanal-Funkuebertragungssystem
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EP0356903A2
(en)
|
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Television transmission system having improved separation of audio and video spectra
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JP3389492B2
(ja)
|
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同時送信装置及び同時送信方法
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US3450842A
(en)
|
|
Doppler frequency spread correction device for multiplex transmissions
|
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US1361488A
(en)
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Plural modulation system
|
|
US3766480A
(en)
|
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Device for recovering a frequency showing phase jitter
|
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SE182045C1
(enrdf_load_html_response)
|
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US2477679A
(en)
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Television and pulse modulated sound system
|
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US3071649A
(en)
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Cipher system for pulse code modulation communication system
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GB2076238A
(en)
|
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Radio receiver
|
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US2616977A
(en)
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Sheetsxsheet i |
|
US2284706A
(en)
|
|
Arrangement for the transmission of intelligence
|
|
US2945094A
(en)
|
|
Pulse signalling system
|
|
US2870247A
(en)
|
|
Cross talk eliminating apparatus in a time division multiplex system
|
|
CA1321830C
(en)
|
|
Immunity to channel distortions of mac signal
|
|
US2866970A
(en)
|
|
Pulse communication system
|
|
US2753398A
(en)
|
|
Signalling system for telecommunication systems using pulse modulation
|
|
US2547549A
(en)
|
|
Ringing equipment for pulse modulation systems
|
|
US2395478A
(en)
|
|
Frequency shift telegraph communication
|
|
US2860186A
(en)
|
|
Television transmission channel sharing system
|
|
US3560654A
(en)
|
|
Modulation and demodulation apparatus using reference time functions
|