NL7208968A - - Google Patents
Info
- Publication number
- NL7208968A NL7208968A NL7208968A NL7208968A NL7208968A NL 7208968 A NL7208968 A NL 7208968A NL 7208968 A NL7208968 A NL 7208968A NL 7208968 A NL7208968 A NL 7208968A NL 7208968 A NL7208968 A NL 7208968A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15747171A | 1971-06-28 | 1971-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7208968A true NL7208968A (es) | 1973-01-02 |
Family
ID=22563875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208968A NL7208968A (es) | 1971-06-28 | 1972-06-28 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3706862A (es) |
| JP (1) | JPS5329255B1 (es) |
| AR (1) | AR199643A1 (es) |
| BE (1) | BE785516A (es) |
| BR (1) | BR7204178D0 (es) |
| CA (1) | CA949246A (es) |
| DE (1) | DE2231209A1 (es) |
| ES (1) | ES404359A1 (es) |
| FR (1) | FR2143834B1 (es) |
| GB (1) | GB1393384A (es) |
| IL (1) | IL39689A (es) |
| IT (1) | IT958630B (es) |
| NL (1) | NL7208968A (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818151A (en) * | 1973-01-26 | 1974-06-18 | Lorain Prod Corp | Method and apparatus for amplifying signal transmission through transmission lines |
| US4037066A (en) * | 1975-03-20 | 1977-07-19 | Lorain Products Corporation | Repeater for transmission lines |
| US3989907A (en) * | 1975-03-20 | 1976-11-02 | Lorain Products Corporation | Repeater for transmission lines of differing lengths |
| US4032726A (en) * | 1975-03-20 | 1977-06-28 | Lorain Products Corporation | Repeater for transmission lines of differing lengths |
| US3989906A (en) * | 1975-03-20 | 1976-11-02 | Lorain Products Corporation | Repeater for transmission lines |
| US4004102A (en) * | 1975-08-08 | 1977-01-18 | Bell Telephone Laboratories, Incorporated | Automatic impedance modification of transmission lines |
| US4065646A (en) * | 1976-06-28 | 1977-12-27 | Bell Telephone Laboratories, Incorporated | Power converter |
| US4192974A (en) * | 1978-03-20 | 1980-03-11 | Lorain Products Corporation | Multi-section apparatus for improving signal transmission through telephone transmission lines |
| EP0080537A1 (en) * | 1981-11-24 | 1983-06-08 | Bloomfield James Warman | Improvements in and relating to speech direction detection circuits for telephone communication devices |
| GB2176079B (en) * | 1985-05-23 | 1989-03-08 | David James Reginald Martin | Direction-adaptive repeater for guided radio systems |
| US5206902A (en) * | 1991-04-01 | 1993-04-27 | At&T Bell Laboratories | Network signaling arrangement for controlling tandem network functions |
| US5471527A (en) * | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
| US5802164A (en) * | 1995-12-22 | 1998-09-01 | At&T Corp | Systems and methods for controlling telephone sound enhancement on a per call basis |
| US8422381B1 (en) * | 2007-02-12 | 2013-04-16 | Rockwell Collins, Inc. | System and method for improved jamming resistance for high throughput point to point communication networks |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3045074A (en) * | 1958-06-25 | 1962-07-17 | Gylling & Co Ab | Amplifier for transmission of speech in two directions |
| US3509500A (en) * | 1966-12-05 | 1970-04-28 | Avco Corp | Automatic digital tuning apparatus |
| US3573402A (en) * | 1969-03-25 | 1971-04-06 | Lorain Prod Corp | Bidirectional additive amplifier |
-
1971
- 1971-06-28 US US157471A patent/US3706862A/en not_active Expired - Lifetime
-
1972
- 1972-03-30 CA CA138,733A patent/CA949246A/en not_active Expired
- 1972-06-13 GB GB2763872A patent/GB1393384A/en not_active Expired
- 1972-06-26 DE DE2231209A patent/DE2231209A1/de active Pending
- 1972-06-26 BR BR004178/72A patent/BR7204178D0/pt unknown
- 1972-06-27 AR AR242794A patent/AR199643A1/es active
- 1972-06-28 ES ES404359A patent/ES404359A1/es not_active Expired
- 1972-06-28 BE BE785516A patent/BE785516A/xx not_active IP Right Cessation
- 1972-06-28 FR FR7223398A patent/FR2143834B1/fr not_active Expired
- 1972-06-28 NL NL7208968A patent/NL7208968A/xx not_active Application Discontinuation
- 1972-06-28 JP JP6483972A patent/JPS5329255B1/ja active Pending
- 1972-06-28 IT IT51220/72A patent/IT958630B/it active
- 1972-07-09 IL IL39689A patent/IL39689A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2231209A1 (de) | 1973-01-11 |
| GB1393384A (en) | 1975-05-07 |
| US3706862A (en) | 1972-12-19 |
| IT958630B (it) | 1973-10-30 |
| AR199643A1 (es) | 1974-09-23 |
| JPS5329255B1 (es) | 1978-08-19 |
| ES404359A1 (es) | 1976-01-01 |
| FR2143834B1 (es) | 1977-04-01 |
| FR2143834A1 (es) | 1973-02-09 |
| BR7204178D0 (pt) | 1973-05-29 |
| BE785516A (fr) | 1972-12-28 |
| IL39689A (en) | 1977-10-31 |
| CA949246A (en) | 1974-06-11 |
| IL39689A0 (en) | 1972-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |