FI71451C - Utjaemningskrets - Google Patents
Utjaemningskrets Download PDFInfo
- Publication number
- FI71451C FI71451C FI791948A FI791948A FI71451C FI 71451 C FI71451 C FI 71451C FI 791948 A FI791948 A FI 791948A FI 791948 A FI791948 A FI 791948A FI 71451 C FI71451 C FI 71451C
- Authority
- FI
- Finland
- Prior art keywords
- attenuation
- circuit
- resistors
- branches
- frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7806727 | 1978-06-22 | ||
NL7806727A NL7806727A (nl) | 1978-06-22 | 1978-06-22 | Egalisatienetwerk. |
Publications (3)
Publication Number | Publication Date |
---|---|
FI791948A FI791948A (fi) | 1979-12-23 |
FI71451B FI71451B (fi) | 1986-09-09 |
FI71451C true FI71451C (fi) | 1986-12-19 |
Family
ID=19831095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI791948A FI71451C (fi) | 1978-06-22 | 1979-06-19 | Utjaemningskrets |
Country Status (10)
Country | Link |
---|---|
US (1) | US4225834A (fr) |
JP (1) | JPS6040214B2 (fr) |
CA (1) | CA1132210A (fr) |
CH (1) | CH648165A5 (fr) |
DE (1) | DE2924043C2 (fr) |
FI (1) | FI71451C (fr) |
FR (1) | FR2429523B1 (fr) |
GB (1) | GB2023960B (fr) |
NL (1) | NL7806727A (fr) |
SE (1) | SE432504B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5718110A (en) * | 1980-07-09 | 1982-01-29 | Arupain Kk | Equalizer device |
JPS5824210A (ja) * | 1981-08-05 | 1983-02-14 | Arupain Kk | イコライザ装置 |
JPS63122898A (ja) * | 1986-11-07 | 1988-05-26 | 三井建設株式会社 | ライニングの打設方法 |
JPH0712133B2 (ja) * | 1988-10-21 | 1995-02-08 | 三菱電機株式会社 | 音質調整装置 |
JPH0774593B2 (ja) * | 1991-05-27 | 1995-08-09 | 東亜グラウト工業株式会社 | 管路築造方法 |
US6798881B2 (en) * | 1999-06-07 | 2004-09-28 | Acoustic Technologies, Inc. | Noise reduction circuit for telephones |
US8644773B2 (en) * | 2009-12-10 | 2014-02-04 | Skyworks Solutions, Inc. | Multiband low noise amplifier (LNA) with parallel resonant feedback |
WO2014144958A1 (fr) | 2013-03-15 | 2014-09-18 | Forrest James Brown | Amplificateur logarithmique sélectif en fréquence à capacité de démodulation de fréquence intrinsèque |
US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
US11183974B2 (en) * | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
KR102226416B1 (ko) * | 2013-09-12 | 2021-03-11 | 도콘 아게 | 주파수 변환 없이 고감도 선택적 수신기로서 사용되기 위한 대수 검출 증폭기 시스템 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB481043A (en) * | 1936-12-23 | 1938-03-04 | Gen Electric Co Ltd | Improvements in variable attenuators for electric transmission systems and the like |
US2658958A (en) * | 1949-07-16 | 1953-11-10 | Wilcox Gay Corp | Negative feedback frequency response compensation amplifier system |
US3336539A (en) * | 1965-04-15 | 1967-08-15 | Giannini Scient Corp | Variable equalizer system having a plurality of parallel connected tuned circuits |
SE375671B (fr) * | 1967-03-16 | 1975-04-21 | Fujitsu Ltd | |
SE346891B (fr) * | 1971-08-27 | 1972-07-17 | Ericsson Telefon Ab L M | |
DE2512805C3 (de) * | 1975-03-22 | 1978-08-10 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Schaltungsanordnung für einen einstellbaren Entzerrer |
-
1978
- 1978-06-22 NL NL7806727A patent/NL7806727A/xx not_active Application Discontinuation
-
1979
- 1979-06-04 US US06/045,491 patent/US4225834A/en not_active Expired - Lifetime
- 1979-06-14 CA CA329,743A patent/CA1132210A/fr not_active Expired
- 1979-06-15 DE DE2924043A patent/DE2924043C2/de not_active Expired
- 1979-06-19 FI FI791948A patent/FI71451C/fi not_active IP Right Cessation
- 1979-06-19 CH CH5726/79A patent/CH648165A5/de not_active IP Right Cessation
- 1979-06-19 SE SE7905379A patent/SE432504B/sv unknown
- 1979-06-19 GB GB7921212A patent/GB2023960B/en not_active Expired
- 1979-06-21 JP JP54077605A patent/JPS6040214B2/ja not_active Expired
- 1979-06-22 FR FR7916119A patent/FR2429523B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1132210A (fr) | 1982-09-21 |
FR2429523A1 (fr) | 1980-01-18 |
US4225834A (en) | 1980-09-30 |
NL7806727A (nl) | 1979-12-28 |
GB2023960A (en) | 1980-01-03 |
DE2924043A1 (de) | 1980-01-03 |
DE2924043C2 (de) | 1982-06-09 |
JPS554197A (en) | 1980-01-12 |
GB2023960B (en) | 1982-06-30 |
JPS6040214B2 (ja) | 1985-09-10 |
SE432504B (sv) | 1984-04-02 |
FI71451B (fi) | 1986-09-09 |
FR2429523B1 (fr) | 1986-01-24 |
FI791948A (fi) | 1979-12-23 |
SE7905379L (sv) | 1979-12-23 |
CH648165A5 (de) | 1985-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TC | Name/ company changed in patent |
Owner name: PHILIPS ELECTRONICS N.V. |
|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: PHILIPS ELECTRONICS N.V. |