Radio band tuner image close up graphic pdf#

H03D7/18- Modifications of frequency-changers for eliminating image frequencies.H03D7/00- Transference of modulation from one carrier to another, e.g.H03D- DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER.frequency ranges with common antenna for more than one band using switches for selecting the desired band H04B1/006- Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e.frequency ranges with common antenna for more than one band H04B1/0053- Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e.H04B1/005- Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e.H04B1/00- Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission.238000006011 modification reaction Methods 0.000 description 2.238000006243 chemical reaction Methods 0.000 description 8.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JP50-136622 external-priority Application filed by Sony Corp filed Critical Sony Corp Application granted granted Critical Publication of US4115737A publication Critical patent/US4115737A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links

Original Assignee Sony Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/851,283 Inventor Masayuki Hongu Tsutomu Niimura Hiromi Kawakami Current Assignee (The listed assignees may be inaccurate.

Radio band tuner image close up graphic pdf#

Google Patents US4115737A - Multi-band tunerĭownload PDF Info Publication number US4115737A US4115737A US05/851,283 US85128377A US4115737A US 4115737 A US4115737 A US 4115737A US 85128377 A US85128377 A US 85128377A US 4115737 A US4115737 A US 4115737A Authority US United States Prior art keywords band frequency sub channel filter Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.