IT967434B - IDENTIFICATION SYSTEM OR SIMILAR - Google Patents
IDENTIFICATION SYSTEM OR SIMILARInfo
- Publication number
- IT967434B IT967434B IT29165/72A IT2916572A IT967434B IT 967434 B IT967434 B IT 967434B IT 29165/72 A IT29165/72 A IT 29165/72A IT 2916572 A IT2916572 A IT 2916572A IT 967434 B IT967434 B IT 967434B
- Authority
- IT
- Italy
- Prior art keywords
- similar
- identification system
- identification
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/06—Answer-back mechanisms or circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
- Radio Relay Systems (AREA)
- Dc Digital Transmission (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4330871 | 1971-09-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT967434B true IT967434B (en) | 1974-02-28 |
Family
ID=10428194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29165/72A IT967434B (en) | 1971-09-16 | 1972-09-14 | IDENTIFICATION SYSTEM OR SIMILAR |
Country Status (6)
Country | Link |
---|---|
US (1) | US3806631A (en) |
DE (1) | DE2244709A1 (en) |
ES (1) | ES406708A1 (en) |
FR (1) | FR2152866B3 (en) |
GB (1) | GB1351373A (en) |
IT (1) | IT967434B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5075707A (en) * | 1973-11-07 | 1975-06-21 | ||
FR2414274B1 (en) * | 1978-01-09 | 1985-06-07 | Materiel Telephonique | METHOD AND DEVICE FOR EXPLORING THE CHANNELS OF A RADIOTELEPHONE NETWORK OPERATING IN TIME DUPLEX |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2289746A (en) * | 1940-03-26 | 1942-07-14 | Bell Telephone Labor Inc | Teletypewriter "answer back" circuit |
BE626111A (en) * | 1961-12-14 | |||
US3236940A (en) * | 1962-05-24 | 1966-02-22 | Chaskin Dimmick Corp | Teletype code control circuits |
US3531772A (en) * | 1968-02-16 | 1970-09-29 | Bell Telephone Labor Inc | Selective calling line controller for detecting and generating code characters |
-
1971
- 1971-09-16 GB GB4330871A patent/GB1351373A/en not_active Expired
-
1972
- 1972-09-12 FR FR7232227A patent/FR2152866B3/fr not_active Expired
- 1972-09-12 DE DE2244709A patent/DE2244709A1/en active Pending
- 1972-09-13 US US00288512A patent/US3806631A/en not_active Expired - Lifetime
- 1972-09-14 IT IT29165/72A patent/IT967434B/en active
- 1972-09-15 ES ES406708A patent/ES406708A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2244709A1 (en) | 1973-03-22 |
ES406708A1 (en) | 1975-11-01 |
FR2152866A1 (en) | 1973-04-27 |
US3806631A (en) | 1974-04-23 |
FR2152866B3 (en) | 1975-10-17 |
GB1351373A (en) | 1974-04-24 |
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