FR934998A - Répéteur d'impulsions téléphonique - Google Patents
Répéteur d'impulsions téléphoniqueInfo
- Publication number
- FR934998A FR934998A FR934998DA FR934998A FR 934998 A FR934998 A FR 934998A FR 934998D A FR934998D A FR 934998DA FR 934998 A FR934998 A FR 934998A
- Authority
- FR
- France
- Prior art keywords
- pulse repeater
- telephone pulse
- telephone
- repeater
- pulse
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
- H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12629/40A GB543065A (en) | 1940-08-06 | 1940-08-06 | Improvements in or relating to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR934998A true FR934998A (fr) | 1948-06-07 |
Family
ID=10008213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR934998D Expired FR934998A (fr) | 1940-08-06 | 1946-10-21 | Répéteur d'impulsions téléphonique |
Country Status (4)
Country | Link |
---|---|
US (1) | US2307818A (fr) |
BE (1) | BE468834A (fr) |
FR (1) | FR934998A (fr) |
GB (1) | GB543065A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL66024C (fr) * | 1944-06-02 | |||
US2607854A (en) * | 1947-07-22 | 1952-08-19 | Automatic Elect Lab | Automatic toll telephone system |
US2596025A (en) * | 1948-01-03 | 1952-05-06 | Ericsson Telefon Ab L M | Signaling over telephone lines by means of a nonlinear resistance |
US3003040A (en) * | 1956-01-25 | 1961-10-03 | Gen Dynamics Corp | Modified trunk circuit |
-
0
- BE BE468834D patent/BE468834A/xx unknown
-
1940
- 1940-08-06 GB GB12629/40A patent/GB543065A/en not_active Expired
-
1941
- 1941-06-14 US US398006A patent/US2307818A/en not_active Expired - Lifetime
-
1946
- 1946-10-21 FR FR934998D patent/FR934998A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB543065A (en) | 1942-02-09 |
US2307818A (en) | 1943-01-12 |
BE468834A (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR938296A (fr) | Dispositif téléphonique | |
FR934998A (fr) | Répéteur d'impulsions téléphonique | |
FR938800A (fr) | Dispositif téléphonique | |
FR948941A (fr) | Pulvérisateur | |
FR866011A (fr) | Système d'envoi périodique d'impulsions | |
FR874486A (fr) | Gicleur | |
FR888692A (fr) | Câbles de télécommunication | |
FR880429A (fr) | Amplificateur d'impulsions électriques périodiques | |
FR872071A (fr) | Insecticide | |
FR941908A (fr) | Dispositif téléphonique | |
FR937790A (fr) | Dispositif téléphonique | |
FI20882A (fi) | Telekommunikationskabel | |
FR883805A (fr) | Téléphone | |
FR875921A (fr) | Gicleur | |
FR867266A (fr) | Arroseur | |
FR848503A (fr) | Transmetteur d'impulsions électriques | |
FR866421A (fr) | Charrue | |
FR56183E (fr) | Charrue | |
CA12896S (fr) | Statuette | |
FI21202A (fi) | Lie | |
FR924708A (fr) | Excavateurs | |
FR893900A (fr) | Savon antiseptique | |
GR9126B (el) | Προφυλακτηρ χρησιμοποιησεως τηλεφωνου. | |
FR874529A (fr) | Insecticides | |
FR905955A (fr) | équipements de déclenchement |