GB1197026A - Improvements in or relating to Telephone Systems - Google Patents
Improvements in or relating to Telephone SystemsInfo
- Publication number
- GB1197026A GB1197026A GB43558/68A GB4355868A GB1197026A GB 1197026 A GB1197026 A GB 1197026A GB 43558/68 A GB43558/68 A GB 43558/68A GB 4355868 A GB4355868 A GB 4355868A GB 1197026 A GB1197026 A GB 1197026A
- Authority
- GB
- United Kingdom
- Prior art keywords
- code
- pulse
- exchange
- substation
- line
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1537824 | 1967-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1197026A true GB1197026A (en) | 1970-07-01 |
Family
ID=5675953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB43558/68A Expired GB1197026A (en) | 1967-09-14 | 1968-09-13 | Improvements in or relating to Telephone Systems |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT290637B (fr) |
BE (1) | BE720850A (fr) |
BG (1) | BG15228A3 (fr) |
CH (1) | CH473523A (fr) |
DE (1) | DE1297163C2 (fr) |
FR (1) | FR1579833A (fr) |
GB (1) | GB1197026A (fr) |
NL (1) | NL6812528A (fr) |
SE (1) | SE337609B (fr) |
-
1967
- 1967-09-13 DE DE1967S0111805 patent/DE1297163C2/de not_active Expired
-
1968
- 1968-09-03 NL NL6812528A patent/NL6812528A/xx unknown
- 1968-09-10 FR FR1579833D patent/FR1579833A/fr not_active Expired
- 1968-09-12 CH CH1366568A patent/CH473523A/de not_active IP Right Cessation
- 1968-09-12 AT AT889868A patent/AT290637B/de not_active IP Right Cessation
- 1968-09-13 BE BE720850D patent/BE720850A/xx unknown
- 1968-09-13 GB GB43558/68A patent/GB1197026A/en not_active Expired
- 1968-09-13 SE SE12351/68A patent/SE337609B/xx unknown
- 1968-09-14 BG BG010665A patent/BG15228A3/bg unknown
Also Published As
Publication number | Publication date |
---|---|
DE1297163B (de) | 1969-06-12 |
FR1579833A (fr) | 1969-08-29 |
DE1297163C2 (de) | 1977-04-14 |
AT290637B (de) | 1971-06-11 |
BG15228A3 (bg) | 1976-06-10 |
SE337609B (fr) | 1971-08-16 |
NL6812528A (fr) | 1969-03-18 |
CH473523A (de) | 1969-05-31 |
BE720850A (fr) | 1969-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |