GB1354833A - Telephone instrument suitable for use in a closed-loop system - Google Patents
Telephone instrument suitable for use in a closed-loop systemInfo
- Publication number
- GB1354833A GB1354833A GB3333572A GB3333572A GB1354833A GB 1354833 A GB1354833 A GB 1354833A GB 3333572 A GB3333572 A GB 3333572A GB 3333572 A GB3333572 A GB 3333572A GB 1354833 A GB1354833 A GB 1354833A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulse
- station
- identity
- synch
- time slot
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q3/00—Igniters using electrically-produced sparks
- F23Q3/002—Igniters using electrically-produced sparks using piezoelectric elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0452—Electrical ignition means connected to the shutter
- G03B15/0463—Piezoelectric ignition mechanisms
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7126208A FR2146542A5 (fr) | 1971-07-16 | 1971-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1354833A true GB1354833A (en) | 1974-06-05 |
Family
ID=9080502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3333572A Expired GB1354833A (en) | 1971-07-16 | 1972-07-17 | Telephone instrument suitable for use in a closed-loop system |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE786051A (fr) |
DE (1) | DE2235079A1 (fr) |
FR (1) | FR2146542A5 (fr) |
GB (1) | GB1354833A (fr) |
IT (1) | IT964685B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142507A (en) * | 1983-06-27 | 1985-01-16 | Dainippon Screen Mfg | Control data transfer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2538637C2 (de) * | 1975-08-30 | 1983-05-05 | Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin | Digitales Zeitmultiplex-Nachrichtensystem |
DE2917675A1 (de) * | 1979-04-27 | 1980-11-06 | Hertz Inst Heinrich | Digitales zeitmultiplex-nachrichtensystem |
-
1971
- 1971-07-16 FR FR7126208A patent/FR2146542A5/fr not_active Expired
-
1972
- 1972-07-10 BE BE786051A patent/BE786051A/fr unknown
- 1972-07-15 IT IT6929972A patent/IT964685B/it active
- 1972-07-17 GB GB3333572A patent/GB1354833A/en not_active Expired
- 1972-07-17 DE DE19722235079 patent/DE2235079A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142507A (en) * | 1983-06-27 | 1985-01-16 | Dainippon Screen Mfg | Control data transfer |
Also Published As
Publication number | Publication date |
---|---|
DE2235079A1 (de) | 1973-01-25 |
IT964685B (it) | 1974-01-31 |
FR2146542A5 (fr) | 1973-03-02 |
BE786051A (fr) | 1973-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |