BE455392A - - Google Patents
Info
- Publication number
- BE455392A BE455392A BE455392DA BE455392A BE 455392 A BE455392 A BE 455392A BE 455392D A BE455392D A BE 455392DA BE 455392 A BE455392 A BE 455392A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL110970 | 1943-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455392A true BE455392A (xx) |
Family
ID=19750350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455392D BE455392A (xx) | 1943-04-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2596624A (xx) |
| BE (1) | BE455392A (xx) |
| CH (1) | CH241790A (xx) |
| DE (1) | DE914865C (xx) |
| FR (1) | FR903551A (xx) |
| GB (1) | GB616846A (xx) |
| NL (1) | NL65112C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725469A (en) * | 1951-09-19 | 1955-11-29 | Hartford Nat Bank & Trust Co | Radio receiving set for the reception of two frequency ranges |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1472218A (en) * | 1919-08-05 | 1923-10-30 | Jr John Hays Hammond | Transmission and receiving system |
| USRE21473E (en) * | 1933-04-27 | 1940-06-04 | Receiving means | |
| US2024614A (en) * | 1934-07-07 | 1935-12-17 | Rca Corp | High frequency receiver of the superheterodyne type |
| US2031465A (en) * | 1934-12-05 | 1936-02-18 | Gen Electric | Signaling system |
| US2165794A (en) * | 1935-09-30 | 1939-07-11 | Rca Corp | Television apparatus |
| DE736786C (de) * | 1935-10-23 | 1943-06-28 | Telefunken Gmbh | UEberlagerungsempfaenger mit Umschalter zur UEberbrueckung des bei Ortsempfang unwirksam gemachten Zwischenfrequenzteiles |
| CH194604A (de) * | 1936-03-21 | 1937-12-15 | Schaub Georg Von | Uberlagerungsempfänger. |
| US2301504A (en) * | 1941-06-21 | 1942-11-10 | John C Batchelor | Combination receiver |
-
0
- NL NL65112D patent/NL65112C/xx active
- BE BE455392D patent/BE455392A/xx unknown
-
1944
- 1944-04-18 DE DEN2474D patent/DE914865C/de not_active Expired
- 1944-04-19 FR FR903551D patent/FR903551A/fr not_active Expired
- 1944-04-19 CH CH241790D patent/CH241790A/de unknown
-
1946
- 1946-07-16 US US684033A patent/US2596624A/en not_active Expired - Lifetime
- 1946-09-13 GB GB27541/46A patent/GB616846A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL65112C (xx) | |
| US2596624A (en) | 1952-05-13 |
| CH241790A (de) | 1946-03-31 |
| GB616846A (en) | 1949-01-27 |
| DE914865C (de) | 1954-07-12 |
| FR903551A (fr) | 1945-10-09 |