NL190604A - - Google Patents
Info
- Publication number
- NL190604A NL190604A NL190604DA NL190604A NL 190604 A NL190604 A NL 190604A NL 190604D A NL190604D A NL 190604DA NL 190604 A NL190604 A NL 190604A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB324912X | 1953-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL190604A true NL190604A (US07351834-20080401-C00131.png) |
Family
ID=10339398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL190604D NL190604A (US07351834-20080401-C00131.png) | 1953-09-11 |
Country Status (5)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2946015A (en) * | 1956-01-13 | 1960-07-19 | Motorola Inc | Amplifier circuit |
| US3054859A (en) * | 1958-04-11 | 1962-09-18 | Telephone Mfg Co Ltd | Arrangements for providing two-way communication at intermediate points on a telephone circuit |
| US3177303A (en) * | 1960-10-07 | 1965-04-06 | Budelman Electronics Corp | Voice frequency hybrid telephone repeater |
| US3177302A (en) * | 1962-03-09 | 1965-04-06 | Budelman Electronics Corp | Telephone repeater |
| US3234333A (en) * | 1962-08-24 | 1966-02-08 | Waters Mfg Inc | Hybrid phone patch |
| US3499985A (en) * | 1967-03-02 | 1970-03-10 | Us Navy | Two-way pulse repeater |
| US3819877A (en) * | 1971-12-10 | 1974-06-25 | Bell Telephone Labor Inc | Centralized network for a telephone station system |
| US3778563A (en) * | 1972-03-29 | 1973-12-11 | Lear Siegler Inc | Voice frequency repeater |
| US3932712A (en) * | 1972-06-14 | 1976-01-13 | Stromberg-Carlson Corporation | Telephone transmission system |
| JPS50131705A (US07351834-20080401-C00131.png) * | 1974-04-04 | 1975-10-18 | ||
| US4024346A (en) * | 1975-10-10 | 1977-05-17 | Kentrox Industries, Inc. | Telephone line amplifier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2282465A (en) * | 1941-02-27 | 1942-05-12 | Bell Telephone Labor Inc | Speech transmission system |
| US2662124A (en) * | 1949-06-01 | 1953-12-08 | Bell Telephone Labor Inc | Transistor amplifier circuit |
-
0
- BE BE531756D patent/BE531756A/xx unknown
- NL NL190604D patent/NL190604A/xx unknown
-
1953
- 1953-09-11 GB GB25182/53A patent/GB744555A/en not_active Expired
-
1954
- 1954-08-30 CH CH324912D patent/CH324912A/de unknown
- 1954-08-30 US US453095A patent/US2812388A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE531756A (US07351834-20080401-C00131.png) | |
| CH324912A (de) | 1957-10-15 |
| GB744555A (en) | 1956-02-08 |
| US2812388A (en) | 1957-11-05 |
