FR50850E - Improvements in telegraph or similar transmission apparatus - Google Patents

Improvements in telegraph or similar transmission apparatus

Info

Publication number: FR50850E
Authority: FR; France
Prior art keywords: telegraph; transmission apparatus; similar transmission; similar; transmission
Prior art date: 1935-04-05
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.)

1935-04-05

Filing date

1939-07-28

Publication date

1941-04-18

1939-07-28 Application filed by Creed and Co Ltd filed Critical Creed and Co Ltd

1941-04-18 Application granted granted Critical

1941-04-18 Publication of FR50850E publication Critical patent/FR50850E/en

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
- 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)
Impression-Transfer Materials And Handling Thereof (AREA)
Push-Button Switches (AREA)
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Transmission Devices (AREA)

FR50850D 1935-04-05 1939-07-28 Improvements in telegraph or similar transmission apparatus Expired FR50850E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB10580/35A GB454593A (en)	1935-04-05	1935-04-05	Improvements in or relating to telegraph transmitters

Publications (1)

Publication Number	Publication Date
FR50850E true FR50850E (en)	1941-04-18

Family

ID=32071264

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR804750D Expired FR804750A (en)	1935-04-05	1936-02-15	Improvements in telegraph or similar transmission apparatus
FR50850D Expired FR50850E (en)	1935-04-05	1939-07-28	Improvements in telegraph or similar transmission apparatus

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR804750D Expired FR804750A (en)	1935-04-05	1936-02-15	Improvements in telegraph or similar transmission apparatus

Country Status (5)

Country	Link
US (1)	US2167528A (en)
CH (1)	CH233477A (en)
DE (1)	DE891553C (en)
FR (2)	FR804750A (en)
GB (2)	GB454593A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2754364A (en) *	1951-06-14	1956-07-10	Kleinschmidt Lab Inc	Keyboard transmitter
US2691062A (en) *	1951-10-23	1954-10-05	Teletype Corp	Telegraph transmitter
DE941916C (en) *	1951-12-14	1956-04-19	Autelca Ag	Device for the delivery of current pulse combinations, especially for teleprinters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE419919C (en) *	1921-04-30	1925-10-15	Morkrum Company	Pressure telegraph system based on the Baudot system
CH164048A (en) *	1931-05-01	1933-09-15	Fuld & Co Telephon & Telegraph	Impulse transmitter operated by a helper.
GB388785A (en) *	1931-09-03	1933-03-03	Creed & Co Ltd	Improvements in or relating to keyboard controlled apparatus for telegraph systems
US1942588A (en) *	1932-02-06	1934-01-09	Int Communications Lab Inc	Telegraph regenerative repeater
US1956704A (en) *	1933-07-11	1934-05-01	American Telephone & Telegraph	Regenerative signal repeater

1935
- 1935-04-05 GB GB10580/35A patent/GB454593A/en not_active Expired
1936
- 1936-02-15 FR FR804750D patent/FR804750A/en not_active Expired
- 1936-03-20 US US69772A patent/US2167528A/en not_active Expired - Lifetime
- 1936-03-31 DE DEC3239A patent/DE891553C/en not_active Expired
1938
- 1938-08-05 GB GB23208/38A patent/GB517701A/en not_active Expired
1939
- 1939-07-28 FR FR50850D patent/FR50850E/en not_active Expired
- 1939-08-04 CH CH233477D patent/CH233477A/en unknown

Also Published As

Publication number	Publication date
CH233477A (en)	1944-07-31
US2167528A (en)	1939-07-25
FR804750A (en)	1936-10-31
GB517701A (en)	1940-02-06
DE891553C (en)	1953-09-28
GB454593A (en)	1936-10-05

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