FR875305A - Transmetteur d'impulsions pour signaux de télégraphe start-stop - Google Patents
Transmetteur d'impulsions pour signaux de télégraphe start-stopInfo
- Publication number
- FR875305A FR875305A FR875305DA FR875305A FR 875305 A FR875305 A FR 875305A FR 875305D A FR875305D A FR 875305DA FR 875305 A FR875305 A FR 875305A
- Authority
- FR
- France
- Prior art keywords
- pulse transmitter
- telegraph signals
- stop telegraph
- stop
- signals
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/06—Answer-back mechanisms or circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1408—Balanced arrangements with diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/04—Apparatus or circuits at the transmitting end
- H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE222910X | 1940-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR875305A true FR875305A (fr) | 1942-09-16 |
Family
ID=5847792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR875305D Expired FR875305A (fr) | 1940-08-13 | 1941-08-12 | Transmetteur d'impulsions pour signaux de télégraphe start-stop |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE442403A (en, 2012) |
CH (1) | CH222910A (en, 2012) |
FR (1) | FR875305A (en, 2012) |
NL (1) | NL58742C (en, 2012) |
-
0
- BE BE442403D patent/BE442403A/fr unknown
- NL NL58742D patent/NL58742C/xx active
-
1941
- 1941-08-12 FR FR875305D patent/FR875305A/fr not_active Expired
- 1941-09-04 CH CH222910D patent/CH222910A/de unknown
Also Published As
Publication number | Publication date |
---|---|
NL58742C (en, 2012) | |
BE442403A (en, 2012) | |
CH222910A (de) | 1942-08-15 |
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