GB8324783D0 - Telecommunication line state detection circuit - Google Patents
Telecommunication line state detection circuitInfo
- Publication number
- GB8324783D0 GB8324783D0 GB838324783A GB8324783A GB8324783D0 GB 8324783 D0 GB8324783 D0 GB 8324783D0 GB 838324783 A GB838324783 A GB 838324783A GB 8324783 A GB8324783 A GB 8324783A GB 8324783 D0 GB8324783 D0 GB 8324783D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- detection circuit
- state detection
- line state
- telecommunication line
- telecommunication
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08324783A GB2146872B (en) | 1983-09-15 | 1983-09-15 | Hall effect module for loop detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08324783A GB2146872B (en) | 1983-09-15 | 1983-09-15 | Hall effect module for loop detector |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8324783D0 true GB8324783D0 (en) | 1983-10-19 |
GB2146872A GB2146872A (en) | 1985-04-24 |
GB2146872B GB2146872B (en) | 1986-11-05 |
Family
ID=10548854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08324783A Expired GB2146872B (en) | 1983-09-15 | 1983-09-15 | Hall effect module for loop detector |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2146872B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7301486A (en) * | 1973-02-01 | 1974-08-05 | ||
GB1478219A (en) * | 1975-02-20 | 1977-06-29 | Standard Telephones Cables Ltd | Telecommunication exchange circuits |
GB1479094A (en) * | 1975-03-25 | 1977-07-06 | Standard Telephones Cables Ltd | Ring trip detectors |
GB2106710A (en) * | 1981-09-22 | 1983-04-13 | Standard Telephones Cables Ltd | Hall effect device |
-
1983
- 1983-09-15 GB GB08324783A patent/GB2146872B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2146872B (en) | 1986-11-05 |
GB2146872A (en) | 1985-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |