DE3744471C2 - AM/FM-Bandwähler - Google Patents
AM/FM-BandwählerInfo
- Publication number
- DE3744471C2 DE3744471C2 DE3744471A DE3744471A DE3744471C2 DE 3744471 C2 DE3744471 C2 DE 3744471C2 DE 3744471 A DE3744471 A DE 3744471A DE 3744471 A DE3744471 A DE 3744471A DE 3744471 C2 DE3744471 C2 DE 3744471C2
- Authority
- DE
- Germany
- Prior art keywords
- switch
- receiver
- band
- switching
- switching signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
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
-
- 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
- H03J5/244—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 using electronic means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860021526U KR900003409Y1 (ko) | 1986-12-29 | 1986-12-29 | Am/fm대역 선택 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3744471A1 DE3744471A1 (de) | 1988-07-07 |
| DE3744471C2 true DE3744471C2 (de) | 1994-09-22 |
Family
ID=19258468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3744471A Expired - Fee Related DE3744471C2 (de) | 1986-12-29 | 1987-12-29 | AM/FM-Bandwähler |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH0339956Y2 (enrdf_load_stackoverflow) |
| KR (1) | KR900003409Y1 (enrdf_load_stackoverflow) |
| CA (1) | CA1309144C (enrdf_load_stackoverflow) |
| DE (1) | DE3744471C2 (enrdf_load_stackoverflow) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3745467A (en) * | 1971-09-10 | 1973-07-10 | Motorola Inc | Multi-band radio receiver |
| DE3127889C2 (de) * | 1981-07-15 | 1984-05-30 | Telefunken electronic GmbH, 7100 Heilbronn | Schaltungsanordnung aus mindestens zwei Verstärkern |
| JPS59128834A (ja) * | 1983-01-13 | 1984-07-25 | Matsushita Electric Ind Co Ltd | 周波数帯切換装置 |
-
1986
- 1986-12-29 KR KR2019860021526U patent/KR900003409Y1/ko not_active Expired
-
1987
- 1987-12-23 CA CA000555246A patent/CA1309144C/en not_active Expired - Lifetime
- 1987-12-25 JP JP1987197242U patent/JPH0339956Y2/ja not_active Expired
- 1987-12-29 DE DE3744471A patent/DE3744471C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR880013893U (ko) | 1988-08-30 |
| CA1309144C (en) | 1992-10-20 |
| KR900003409Y1 (ko) | 1990-04-23 |
| DE3744471A1 (de) | 1988-07-07 |
| JPS63171038U (enrdf_load_stackoverflow) | 1988-11-08 |
| JPH0339956Y2 (enrdf_load_stackoverflow) | 1991-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |