CA1309144C - Am/fm band selector - Google Patents
Am/fm band selectorInfo
- Publication number
- CA1309144C CA1309144C CA000555246A CA555246A CA1309144C CA 1309144 C CA1309144 C CA 1309144C CA 000555246 A CA000555246 A CA 000555246A CA 555246 A CA555246 A CA 555246A CA 1309144 C CA1309144 C CA 1309144C
- Authority
- CA
- Canada
- Prior art keywords
- response
- signal
- power
- band selector
- flip
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860021526U KR900003409Y1 (ko) | 1986-12-29 | 1986-12-29 | Am/fm대역 선택 장치 |
| KR21526/1986 | 1986-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1309144C true CA1309144C (en) | 1992-10-20 |
Family
ID=19258468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000555246A Expired - Lifetime CA1309144C (en) | 1986-12-29 | 1987-12-23 | Am/fm band selector |
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 |
| KR900003409Y1 (ko) | 1990-04-23 |
| DE3744471A1 (de) | 1988-07-07 |
| DE3744471C2 (de) | 1994-09-22 |
| JPS63171038U (enrdf_load_stackoverflow) | 1988-11-08 |
| JPH0339956Y2 (enrdf_load_stackoverflow) | 1991-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |