GB2135854B - Line-powered modem - Google Patents
Line-powered modemInfo
- Publication number
- GB2135854B GB2135854B GB08402639A GB8402639A GB2135854B GB 2135854 B GB2135854 B GB 2135854B GB 08402639 A GB08402639 A GB 08402639A GB 8402639 A GB8402639 A GB 8402639A GB 2135854 B GB2135854 B GB 2135854B
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- powered modem
- modem
- powered
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08402639A GB2135854B (en) | 1983-02-10 | 1984-02-01 | Line-powered modem |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838303631A GB8303631D0 (en) | 1983-02-10 | 1983-02-10 | Ultra safe modem |
GB838326997A GB8326997D0 (en) | 1983-02-10 | 1983-10-08 | Modems |
GB08402639A GB2135854B (en) | 1983-02-10 | 1984-02-01 | Line-powered modem |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8402639D0 GB8402639D0 (en) | 1984-03-07 |
GB2135854A GB2135854A (en) | 1984-09-05 |
GB2135854B true GB2135854B (en) | 1986-04-23 |
Family
ID=27261962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08402639A Expired GB2135854B (en) | 1983-02-10 | 1984-02-01 | Line-powered modem |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2135854B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2627339B1 (en) * | 1988-02-11 | 1994-05-20 | Matra Communication | INTEGRATED CIRCUIT AND TELEPHONE TELEPHONE APPARATUS WITH APPLICATION |
DE59712509D1 (en) * | 1997-02-10 | 2006-01-12 | Siemens Ag | voltage supplier |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2216733B1 (en) * | 1973-01-31 | 1978-05-12 | Labo Cent Telecommunicat | |
GB1471925A (en) * | 1974-04-09 | 1977-04-27 | Hewlett Packard Ltd | Transmission line terminations |
GB1602130A (en) * | 1978-05-12 | 1981-11-04 | Plessey Co Ltd | Telecommunication line circuits |
NL7903663A (en) * | 1979-05-10 | 1980-11-12 | Philips Nv | AMPLIFIER FOR APPLICATION IN A LINE CIRCUIT. |
CA1154185A (en) * | 1981-01-23 | 1983-09-20 | Patrick R. Beirne | Subscriber line interface circuit |
-
1984
- 1984-02-01 GB GB08402639A patent/GB2135854B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8402639D0 (en) | 1984-03-07 |
GB2135854A (en) | 1984-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
747B | Proceeding under sect. 47(1) patents act 1977 | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
747A | Proceeding under section 47 patents act 1977 | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20040131 |