CH235870A - Emetteur télégraphique à clavier. - Google Patents
Emetteur télégraphique à clavier.Info
- Publication number
- CH235870A CH235870A CH235870DA CH235870A CH 235870 A CH235870 A CH 235870A CH 235870D A CH235870D A CH 235870DA CH 235870 A CH235870 A CH 235870A
- Authority
- CH
- Switzerland
- Prior art keywords
- keypad
- telegraph transmitter
- telegraph
- transmitter
- keypad telegraph
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
- H04L17/02—Apparatus or circuits at the transmitting end
- H04L17/12—Automatic transmitters, e.g. controlled by perforated tape
- H04L17/14—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
- H04L17/02—Apparatus or circuits at the transmitting end
- H04L17/04—Apparatus or circuits at the transmitting end with keyboard co-operating with code-bars
- H04L17/06—Contact operating means
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184138A US2234832A (en) | 1938-01-10 | 1938-01-10 | Photoelectric transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH235870A true CH235870A (fr) | 1944-12-31 |
Family
ID=22675705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH235870D CH235870A (fr) | 1938-01-10 | 1939-01-06 | Emetteur télégraphique à clavier. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2234832A (fr) |
CH (1) | CH235870A (fr) |
FR (1) | FR848183A (fr) |
GB (1) | GB508650A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2751148A (en) * | 1956-06-19 | H allen ctal | ||
US2658940A (en) * | 1945-10-26 | 1953-11-10 | Western Union Telegraph Co | Optical scanning device |
US2432527A (en) * | 1945-10-27 | 1947-12-16 | Sidney Robert Gordon | Keyboard control system |
US2727683A (en) * | 1946-01-11 | 1955-12-20 | Philip H Allen | Registers |
USRE25621E (en) * | 1946-01-11 | 1964-07-21 | Registers | |
US2482242A (en) * | 1948-06-09 | 1949-09-20 | Remington Rand Inc | Code selector |
-
1938
- 1938-01-10 US US184138A patent/US2234832A/en not_active Expired - Lifetime
- 1938-11-25 GB GB34358/38A patent/GB508650A/en not_active Expired
- 1938-12-30 FR FR848183D patent/FR848183A/fr not_active Expired
-
1939
- 1939-01-06 CH CH235870D patent/CH235870A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB508650A (en) | 1939-07-04 |
US2234832A (en) | 1941-03-11 |
FR848183A (fr) | 1939-10-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH210435A (de) | Mehrfachtelephonieanlage. | |
CH235884A (fr) | Installation téléphonique. | |
CH235870A (fr) | Emetteur télégraphique à clavier. | |
CH235869A (fr) | Transmetteur télégraphique. | |
FR869355A (fr) | Perforateur de réception télégraphique | |
CH276283A (fr) | Installation téléphonique. | |
FR861324A (fr) | Appareils télégraphiques | |
CH232468A (de) | Typendrucktelegraphenapparat. | |
CH210431A (de) | Telegraphensender. | |
CH213687A (fr) | Télégraphe électrique imprimeur. | |
CH213655A (fr) | Robinet. | |
CH225076A (de) | Telephonapparat. | |
FR865718A (fr) | Transmetteurs télégraphiques en fac-similé | |
CH215786A (fr) | Récepteur télégraphique imprimeur. | |
CA372349A (fr) | Transmetteur telegraphique a clavier | |
DK59322C (da) | Telegrafcentralanlæg. | |
CH219015A (de) | Fernschreibgerät. | |
GR7826B (el) | Κλοιος δια κλειδας. | |
CH204986A (fr) | Commutateur. | |
CH211737A (de) | Typendrucktelegraphenanordnung. | |
CH206858A (de) | Fernschreibempfänger. | |
FR856654A (fr) | Clavier pour téléimprimeurs | |
CH270701A (fr) | Installation télégraphique. | |
GR9005B (el) | Κομβια πιεσεως (σουστες). | |
FR843935A (fr) | Multiplex téléphonique ou télégraphique |