GB641572A - Improvements in or relating to telegraph transmitters - Google Patents

Improvements in or relating to telegraph transmitters

Info

Publication number: GB641572A
Authority: GB; United Kingdom
Prior art keywords: tube; character; relay; common; code
Prior art date: 1947-12-17
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

Application number

GB3328847A

Other languages

English (en)

Inventor

Roland Harris Dunn

Frederick William Warden

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

STC PLC

Original Assignee

Standard Telephone and Cables PLC

Priority date (The priority date 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 date listed.)

1947-12-17

Filing date

1947-12-17

Publication date

1950-08-16

1947-12-17 Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC

1947-12-17 Priority to GB3328847A priority Critical patent/GB641572A/en

1948-12-17 Priority to FR977407D priority patent/FR977407A/fr

1950-08-16 Publication of GB641572A publication Critical patent/GB641572A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Selective Calling Equipment (AREA)

GB3328847A 1947-12-17 1947-12-17 Improvements in or relating to telegraph transmitters Expired GB641572A (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB3328847A GB641572A (en)	1947-12-17	1947-12-17	Improvements in or relating to telegraph transmitters
FR977407D FR977407A (fr)	1947-12-17	1948-12-17	Perfectionnements aux appareils transmetteurs télégraphiques

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3328847A GB641572A (en)	1947-12-17	1947-12-17	Improvements in or relating to telegraph transmitters

Publications (1)

Publication Number	Publication Date
GB641572A true GB641572A (en)	1950-08-16

Family

ID=10350975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3328847A Expired GB641572A (en)	1947-12-17	1947-12-17	Improvements in or relating to telegraph transmitters

Country Status (2)

Country	Link
FR (1)	FR977407A (fr)
GB (1)	GB641572A (fr)

1947
- 1947-12-17 GB GB3328847A patent/GB641572A/en not_active Expired
1948
- 1948-12-17 FR FR977407D patent/FR977407A/fr not_active Expired

Also Published As

Publication number	Publication date
FR977407A (fr)	1951-04-02

Similar Documents

Publication	Publication Date	Title
GB636667A (en)	1950-05-03	Improvements in or relating to electric signalling systems
US2812509A (en)	1957-11-05	Private line system
US2200807A (en)	1940-05-14	Keyboard
US2570279A (en)	1951-10-09	Electric signaling system
US2641698A (en)	1953-06-09	Delay line decoder
US2502443A (en)	1950-04-04	Universal electronic code sender
GB641572A (en)	1950-08-16	Improvements in or relating to telegraph transmitters
GB670758A (en)	1952-04-23	Multiplex telegraph apparatus
US3895185A (en)	1975-07-15	Tree counter code simulator
US2543050A (en)	1951-02-27	Variable voltage selector
US2553556A (en)	1951-05-22	Telegraph transmitter
GB644922A (en)	1950-10-18	Electronic code sender for start-stop telegraph signals
US2622145A (en)	1952-12-16	Identification keyer
US1557633A (en)	1925-10-20	Translating device
GB666699A (en)	1952-02-20	Improvements in or relating to telegraph transmitters
GB902206A (en)	1962-08-01	Improvements in or relating to communication systems
GB632774A (en)	1949-12-05	Improvements in type printing telegraph systems
US2952734A (en)	1960-09-13	Radio-telegraph system
US2509829A (en)	1950-05-30	Duplex telegraph system
GB717952A (en)	1954-11-03	Electrical impulse generator
GB601906A (en)	1948-05-14	Telecommunication systems
US2279335A (en)	1942-04-14	Switching selector for printing telegraph systems
US3032607A (en)	1962-05-01	Electronic telegraphic systems
SU67370A1 (ru)	1946-10-31	Буквопечатающий телеграфный аппарат
GB850223A (en)	1960-10-05	Improvements relating to control equipment for transmitting signals in binary form