BE722092A - - Google Patents

Info

Publication number: BE722092A
Authority: BE; Belgium

Application number

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 as to the accuracy of the date listed.)

1967-10-18

Filing date

1968-10-10

Publication date

1969-04-10

1968-10-10 Application filed filed Critical

1969-04-10 Publication of BE722092A publication Critical patent/BE722092A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- 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. frequency ranges
- H04B1/0067—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 one or more circuit blocks in common for different bands
- H04B1/0082—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band
- H04B1/0089—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
- H04B1/0092—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- 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. frequency ranges
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Superheterodyne Receivers (AREA)

BE722092D 1967-10-18 1968-10-10 BE722092A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES0112459		1967-10-18

Publications (1)

Publication Number	Publication Date
BE722092A true BE722092A (de)	1969-04-10

Family

ID=7531797

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE722092D BE722092A (de)	1967-10-18	1968-10-10

Country Status (6)

Country	Link
AT (1)	AT284911B (de)
BE (1)	BE722092A (de)
DE (1)	DE1591583B1 (de)
FR (1)	FR1588419A (de)
GB (1)	GB1244648A (de)
NL (1)	NL6812574A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2168864A (en) *	1984-12-19	1986-06-25	Philips Electronic Associated	Radio receiver/transmitter filters
GB2173660B (en) *	1985-03-28	1989-01-25	Multitone Electronics Plc	Paging receivers
CN107425923B (zh) *	2017-09-04	2024-05-14	林宇	一种磁纤接收机以及太宽磁纤接收机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2584986A (en) *	1946-04-24	1952-02-12	Fed Telephone & Radio Corp	Selective wave filter
US2909656A (en) *	1953-01-06	1959-10-20	Lab For Electronics Inc	Selective circuit

1967
- 1967-10-18 DE DE19671591583 patent/DE1591583B1/de active Pending
1968
- 1968-09-04 NL NL6812574A patent/NL6812574A/xx unknown
- 1968-10-10 BE BE722092D patent/BE722092A/xx unknown
- 1968-10-16 AT AT1011468A patent/AT284911B/de not_active IP Right Cessation
- 1968-10-17 FR FR1588419D patent/FR1588419A/fr not_active Expired
- 1968-10-17 GB GB49188/68A patent/GB1244648A/en not_active Expired

Also Published As

Publication number	Publication date
NL6812574A (de)	1969-04-22
DE1591583B1 (de)	1971-10-14
GB1244648A (en)	1971-09-02
FR1588419A (de)	1970-04-10
AT284911B (de)	1970-10-12

Publication	Publication Date	Title
BE707744A (de)	1968-04-16
BE709572A (de)	1968-07-18
BE709744A (de)	1968-05-30
BE708671A (de)	1968-05-02
BE708982A (de)	1968-05-16
BE709327A (de)	1968-05-16
BE709098A (de)	1968-05-16
BE708599A (de)	1968-05-02
BE697484A (de)	1967-10-02
BE709549A (de)	1968-05-30
BE710450A (de)	1968-08-07
BE709491A (de)	1968-05-30
BE705526A (de)	1968-03-01
BE711482A (de)	1968-07-01
BE705768A (de)	1968-04-29
BE699865A (de)	1967-12-13
BE704896A (de)	1968-02-15
BE710659A (de)	1968-06-17
BE708187A (de)	1968-05-02
BE706844A (de)	1968-05-21
BE709050A (de)	1968-05-16
BE710976A (de)	1968-08-19
BE709624A (de)	1968-05-30
BE614676A (de)
BE703856A (de)	1968-02-01