AR220987A1 - Circuito regulador de tension - Google Patents
Circuito regulador de tensionInfo
- Publication number
- AR220987A1 AR220987A1 AR281481A AR28148180A AR220987A1 AR 220987 A1 AR220987 A1 AR 220987A1 AR 281481 A AR281481 A AR 281481A AR 28148180 A AR28148180 A AR 28148180A AR 220987 A1 AR220987 A1 AR 220987A1
- Authority
- AR
- Argentina
- Prior art keywords
- voltage regulator
- regulator circuit
- circuit
- voltage
- regulator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephone Function (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7930246A GB2057815B (en) | 1979-08-31 | 1979-08-31 | Electronic telephone circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR220987A1 true AR220987A1 (es) | 1980-12-15 |
Family
ID=10507528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR281481A AR220987A1 (es) | 1979-08-31 | 1980-06-19 | Circuito regulador de tension |
Country Status (31)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534237B1 (fr) * | 1982-10-12 | 1987-10-23 | Krupp Gmbh | Grue roulante de grande force portante a fleche extensible, notamment a fleche telescopique |
| GB8317706D0 (en) * | 1983-06-29 | 1983-08-03 | Standard Telephones Cables Ltd | Telephone subsets |
| US5206459A (en) * | 1991-08-21 | 1993-04-27 | Champlain Cable Corporation | Conductive polymeric shielding materials and articles fabricated therefrom |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1638014A1 (de) * | 1951-01-28 | 1971-06-16 | Itt Ind Gmbh Deutsche | Monolithisch integrierte Parallelregelschaltung |
| GB944762A (en) * | 1961-03-20 | 1963-12-18 | Ass Elect Ind | Improvements relating to self-regulating two-terminal impedance networks and their use in telephone system substation circuits |
| US3251951A (en) * | 1962-02-26 | 1966-05-17 | Philips Corp | Circuit for automatic adjustment of impedance of a telephone loop |
| NL7402575A (nl) * | 1974-02-26 | 1975-08-28 | Philips Nv | Elektronisch telefoontoestel. |
| CA1032221A (en) * | 1974-06-14 | 1978-05-30 | Mitel Canada Limited | Telephone line impedance regulator |
| AU518350B2 (en) * | 1978-11-08 | 1981-09-24 | International Standard Electric Corp. | Bidirectional amplifier |
-
1979
- 1979-08-31 GB GB7930246A patent/GB2057815B/en not_active Expired
-
1980
- 1980-05-30 HU HU801366A patent/HU183146B/hu unknown
- 1980-06-03 IL IL60222A patent/IL60222A/xx unknown
- 1980-06-05 IN IN666/CAL/80A patent/IN152651B/en unknown
- 1980-06-19 AR AR281481A patent/AR220987A1/es active
- 1980-06-20 MX MX182856A patent/MX147657A/es unknown
- 1980-06-26 ZA ZA00803828A patent/ZA803828B/xx unknown
- 1980-07-01 KR KR1019800002601A patent/KR830001772B1/ko active IP Right Grant
- 1980-07-15 SU SU802950402A patent/SU1303047A3/ru active
- 1980-07-16 PH PH24297A patent/PH16267A/en unknown
- 1980-07-19 DE DE3027452A patent/DE3027452C2/de not_active Expired
- 1980-08-20 NO NO802470A patent/NO153512C/no unknown
- 1980-08-22 AU AU61666/80A patent/AU538701B2/en not_active Ceased
- 1980-08-26 FI FI802688A patent/FI73342C/fi not_active IP Right Cessation
- 1980-08-27 SE SE8006004A patent/SE448662B/sv not_active IP Right Cessation
- 1980-08-27 NL NL8004833A patent/NL8004833A/nl not_active Application Discontinuation
- 1980-08-27 US US06/181,590 patent/US4347407A/en not_active Expired - Lifetime
- 1980-08-28 NZ NZ194800A patent/NZ194800A/xx unknown
- 1980-08-28 PT PT71752A patent/PT71752B/pt unknown
- 1980-08-29 YU YU2173/80A patent/YU40882B/xx unknown
- 1980-08-29 AT AT0437580A patent/AT384917B/de not_active IP Right Cessation
- 1980-08-29 DD DD80223615A patent/DD153302A5/de unknown
- 1980-08-29 CA CA000359350A patent/CA1150868A/en not_active Expired
- 1980-08-29 IT IT8024352A patent/IT1209261B/it active
- 1980-08-29 FR FR8018763A patent/FR2464594B1/fr not_active Expired
- 1980-08-29 JP JP11855380A patent/JPS5636254A/ja active Granted
- 1980-08-29 BR BR8005521A patent/BR8005521A/pt unknown
- 1980-08-29 DK DK369480A patent/DK369480A/da not_active Application Discontinuation
- 1980-09-01 BE BE2/58726A patent/BE885009A/nl not_active IP Right Cessation
- 1980-09-01 CH CH6560/80A patent/CH652545A5/de not_active IP Right Cessation
-
1987
- 1987-03-05 HK HK205/87A patent/HK20587A/xx not_active IP Right Cessation
Also Published As
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