FR731753A - Appareil commandé par clavier, pour systèmes télégraphiques - Google Patents

Appareil commandé par clavier, pour systèmes télégraphiques

Info

Publication number: FR731753A
Authority: FR; France
Prior art keywords: controlled device; telegraph systems; keyboard controlled; keyboard; telegraph
Prior art date: 1931-09-03
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

Other languages

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.)

Creed and Co Ltd

Original Assignee

Creed and Co Ltd

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.)

1931-09-03

Filing date

1932-02-24

Publication date

1932-09-08

1931-09-03 Priority claimed from GB16569/32A external-priority patent/GB388825A/en

1932-02-24 Application filed by Creed and Co Ltd filed Critical Creed and Co Ltd

1932-09-08 Application granted granted Critical

1932-09-08 Publication of FR731753A publication Critical patent/FR731753A/fr

Status Expired legal-status Critical Current

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
- H04L17/04—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)
Input From Keyboards Or The Like (AREA)
Transmission Devices (AREA)
Press Drives And Press Lines (AREA)
Mechanical Operated Clutches (AREA)
Mechanisms For Operating Contacts (AREA)
Switches With Compound Operations (AREA)
Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

FR731753D 1931-09-03 1932-02-24 Appareil commandé par clavier, pour systèmes télégraphiques Expired FR731753A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB16569/32A GB388825A (en)	1932-10-07	1931-09-03	An improved mechanically relayed movement for telegraph and like signalling mechanism
GB27938/32A GB408319A (en)	1931-09-03	1932-10-07	Improvements in or for keyboard operated telegraph apparatus

Publications (1)

Publication Number	Publication Date
FR731753A true FR731753A (fr)	1932-09-08

Family

ID=33554188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR731753D Expired FR731753A (fr)	1931-09-03	1932-02-24	Appareil commandé par clavier, pour systèmes télégraphiques

Country Status (5)

Country	Link
US (3)	US1921407A (de)
AT (3)	AT135279B (de)
DE (2)	DE599288C (de)
FR (1)	FR731753A (de)
GB (2)	GB388785A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB454593A (en) *	1935-04-05	1936-10-05	Creed & Co Ltd	Improvements in or relating to telegraph transmitters
DE744377C (de) *	1941-06-18	1944-01-14	Siemens Ag	Fernschreibsender fuer Fuenferalphabet mit mehreren, vorzugsweise zwei Typengruppen und selbsttaetiger Aussendung eines Typengruppenwechselzeichens beim UEbergang auf eine andere Typengruppe
US2517995A (en) *	1945-03-08	1950-08-08	Ibm	Printing telegraph apparatus
US2614632A (en) *	1948-07-27	1952-10-21	American Telephone & Telegraph	Apparatus for recording numerals in code
US2623118A (en) *	1948-10-08	1952-12-23	Creed & Co Ltd	Keyboard controlled telegraph apparatus
DE970439C (de) *	1954-06-05	1958-09-18	Siemens Ag	Tastenlocher fuer Fernschreiblochstreifen
DE1436714A1 (de) *	1963-08-27	1969-01-09	Siemens Ag	Verfahren und Einrichtung zum Umschalten der Funktionszuordnung von doppelt belegten Tasten
US3450837A (en) *	1966-07-25	1969-06-17	Olivetti & Co Spa	Code translating device for a start-stop teleprinter
US3623588A (en) *	1969-04-01	1971-11-30	Bunker Ramo	Electronic keyboard with upper- and lower-case capability
US4258356A (en) *	1978-04-03	1981-03-24	Scm Corporation	Multi bar encoding apparatus utilizing acoustic energy
USRE32419E (en) *	1981-03-16	1987-05-12	Engineering Research Applications, Inc.	Molded keyboard and method of fabricating same

1931
- 1931-09-03 GB GB24737/31A patent/GB388785A/en not_active Expired
1932
- 1932-02-24 FR FR731753D patent/FR731753A/fr not_active Expired
- 1932-02-29 US US595851A patent/US1921407A/en not_active Expired - Lifetime
- 1932-04-06 DE DEC46265D patent/DE599288C/de not_active Expired
- 1932-04-13 AT AT135279D patent/AT135279B/de active
- 1932-09-01 AT AT135285D patent/AT135285B/de active
- 1932-09-09 US US632356A patent/US1953066A/en not_active Expired - Lifetime
- 1932-10-07 GB GB27938/32A patent/GB408319A/en not_active Expired
- 1932-12-16 US US647644A patent/US1928421A/en not_active Expired - Lifetime
1933
- 1933-09-05 DE DEC48264D patent/DE620410C/de not_active Expired
- 1933-09-07 AT AT137627D patent/AT137627B/de active

Also Published As

Publication number	Publication date
US1921407A (en)	1933-08-08
DE620410C (de)	1935-10-21
AT135279B (de)	1933-11-10
AT135285B (de)	1933-11-10
DE599288C (de)	1934-06-28
US1928421A (en)	1933-09-26
US1953066A (en)	1934-04-03
AT137627B (de)	1934-05-25
GB408319A (en)	1934-04-09
GB388785A (en)	1933-03-03

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