DE2654081C2 - Vorrichtung zur Kanalwahl - Google Patents
Vorrichtung zur KanalwahlInfo
- Publication number
- DE2654081C2 DE2654081C2 DE2654081A DE2654081A DE2654081C2 DE 2654081 C2 DE2654081 C2 DE 2654081C2 DE 2654081 A DE2654081 A DE 2654081A DE 2654081 A DE2654081 A DE 2654081A DE 2654081 C2 DE2654081 C2 DE 2654081C2
- Authority
- DE
- Germany
- Prior art keywords
- tuner
- stored
- hadamard
- channel selection
- voltage
- 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
Links
- 230000009466 transformation Effects 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims 4
- 230000006698 induction Effects 0.000 claims 1
- 230000015654 memory Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 101100521334 Mus musculus Prom1 gene Proteins 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010408 sweeping Methods 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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
- H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50143638A JPS5267201A (en) | 1975-12-01 | 1975-12-01 | Station selecting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2654081A1 DE2654081A1 (de) | 1977-06-08 |
| DE2654081C2 true DE2654081C2 (de) | 1982-06-16 |
Family
ID=15343412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2654081A Expired DE2654081C2 (de) | 1975-12-01 | 1976-11-29 | Vorrichtung zur Kanalwahl |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4209751A (enExample) |
| JP (1) | JPS5267201A (enExample) |
| CA (1) | CA1075838A (enExample) |
| DE (1) | DE2654081C2 (enExample) |
| FR (1) | FR2334241A1 (enExample) |
| GB (1) | GB1521608A (enExample) |
| NL (1) | NL186548C (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1051262B (it) * | 1975-11-11 | 1981-04-21 | Indesit | Sintonizzatore a sintesi di frequenza |
| US4155043A (en) * | 1976-04-28 | 1979-05-15 | Matsushita Electric Industrial Co. Ltd. | Channel selection apparatus including a scanning system |
| JPS55102934A (en) * | 1979-02-01 | 1980-08-06 | Sony Corp | Variable frequency oscillation circuit |
| US4317225A (en) * | 1979-05-30 | 1982-02-23 | Rca Corporation | Channel identification apparatus useful in a sweep type tuning system |
| NZ193794A (en) * | 1979-05-30 | 1984-03-30 | Rca Corp | Channel identification in multiband sweep tuning system |
| US4291413A (en) * | 1979-09-28 | 1981-09-22 | Rca Corporation | Search type tuning system with direct address channel selection apparatus |
| US4368541A (en) * | 1980-06-30 | 1983-01-11 | Evans Robert M | Multiplexing arrangement for a plurality of voltage controlled filters |
| US4402089A (en) * | 1981-09-16 | 1983-08-30 | Rca Corporation | Television tuning system with electronic frequency adjustment apparatus |
| GB2155263A (en) * | 1984-03-02 | 1985-09-18 | Philips Electronic Associated | Frequency synthesised multichannel radio apparatus |
| JPH0738719B2 (ja) * | 1984-08-20 | 1995-04-26 | パイオニア株式会社 | Ｃａｔｖ端末のチャンネル設定装置 |
| US6028889A (en) * | 1998-02-25 | 2000-02-22 | Lucent Technologies, Inc. | Pipelined fast hadamard transform |
| RU2132111C1 (ru) * | 1998-05-26 | 1999-06-20 | Военная академия связи | Устройство автоматического поиска сигналов радиостанций |
| RU2202853C2 (ru) * | 2001-04-10 | 2003-04-20 | Курский государственный технический университет | Устройство автоматического поиска сигналов радиостанций |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588706A (en) * | 1967-07-24 | 1971-06-28 | Matsushita Electric Industrial Co Ltd | Automatic tuning receiver |
| US3593801A (en) * | 1969-11-26 | 1971-07-20 | Joseph S De Palma | Fluid-actuated fire extinguisher |
| US3792355A (en) * | 1970-12-11 | 1974-02-12 | Hitachi Ltd | Orthogonal transformation circuit using hadamard matrices |
| US3810019A (en) * | 1972-09-25 | 1974-05-07 | Sperry Rand Corp | Multifrequency communication system for fading channels |
| JPS5325721B2 (enExample) * | 1973-11-07 | 1978-07-28 | ||
| FR2251960B1 (enExample) * | 1973-11-16 | 1977-08-12 | Thomson Csf | |
| US3942171A (en) * | 1974-04-03 | 1976-03-02 | Texas Instruments Incorporated | Scanning system for digital-analog converter |
| PL89827B1 (enExample) * | 1974-05-06 | 1976-12-31 | ||
| JPS5415164B2 (enExample) * | 1974-05-20 | 1979-06-13 | ||
| US4001563A (en) * | 1974-09-17 | 1977-01-04 | Thomson-Csf | Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation |
| US4013957A (en) * | 1975-04-26 | 1977-03-22 | Kanda Tsushin Kogyo Co., Ltd. | Channel-selecting apparatus for a multichannel transceiver |
| US3984626A (en) * | 1975-08-01 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Picture signal coder |
| US4080659A (en) * | 1977-02-28 | 1978-03-21 | Francini Joseph P | Multi-mode file storage calculator |
-
1975
- 1975-12-01 JP JP50143638A patent/JPS5267201A/ja active Granted
-
1976
- 1976-11-16 US US05/742,226 patent/US4209751A/en not_active Expired - Lifetime
- 1976-11-19 GB GB48381/76A patent/GB1521608A/en not_active Expired
- 1976-11-22 CA CA266,209A patent/CA1075838A/en not_active Expired
- 1976-11-29 DE DE2654081A patent/DE2654081C2/de not_active Expired
- 1976-11-30 FR FR7636033A patent/FR2334241A1/fr active Granted
- 1976-11-30 NL NLAANVRAGE7613308,A patent/NL186548C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL186548B (nl) | 1990-07-16 |
| GB1521608A (en) | 1978-08-16 |
| NL186548C (nl) | 1990-12-17 |
| CA1075838A (en) | 1980-04-15 |
| JPS5746690B2 (enExample) | 1982-10-05 |
| AU1994676A (en) | 1978-05-25 |
| US4209751A (en) | 1980-06-24 |
| FR2334241B1 (enExample) | 1982-08-20 |
| DE2654081A1 (de) | 1977-06-08 |
| JPS5267201A (en) | 1977-06-03 |
| FR2334241A1 (fr) | 1977-07-01 |
| NL7613308A (nl) | 1977-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| D2 | Grant after examination |