FR27583E - Improvements to dial call devices - Google Patents

Info

Publication number: FR27583E
Authority: FR; France
Prior art keywords: call devices; dial call; dial; devices; call
Prior art date: 1921-08-22
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

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.)

Compagnie Francaise Thomson Houston SA

Original Assignee

Compagnie Francaise Thomson Houston SA

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.)

1921-08-22

Filing date

1922-09-13

Publication date

1924-07-31

1922-09-13Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA

1924-07-31Application grantedgrantedCritical

1924-07-31Publication of FR27583EpublicationCriticalpatent/FR27583E/en

StatusExpiredlegal-statusCriticalCurrent

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Transmission Devices (AREA)

FR27583D1921-08-221922-09-13 Improvements to dial call devicesExpiredFR27583E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US494281AUS1556904A (en)	1921-08-22	1921-08-22	Automatic calling device

Publications (1)

Publication Number	Publication Date
FR27583Etrue FR27583E (en)	1924-07-31

Family

ID=23963843

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
FR545783DExpiredFR545783A (en)	1921-08-22	1922-01-11	Improvements to dial call devices
FR26710DExpiredFR26710E (en)	1921-08-22	1922-07-31	Improvements to dial call devices
FR27583DExpiredFR27583E (en)	1921-08-22	1922-09-13	Improvements to dial call devices

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
FR545783DExpiredFR545783A (en)	1921-08-22	1922-01-11	Improvements to dial call devices
FR26710DExpiredFR26710E (en)	1921-08-22	1922-07-31	Improvements to dial call devices

Country Status (2)

Country	Link
US (2)	US1556904A (en)
FR (3)	FR545783A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USD614496S1 (en)	2008-06-24	2010-04-27	Colgate-Palmolive Company	Upper portion of a container
USD616309S1 (en)	2008-06-24	2010-05-25	Colgate-Palmolive Company	Container
USD616759S1 (en)	2008-06-24	2010-06-01	Colgate-Palmolive Company	Container
USD616758S1 (en)	2008-06-24	2010-06-01	Colgate-Palmolive Company	Container
USD622607S1 (en)	2008-06-24	2010-08-31	Colgate-Palmolive Company	Container
USD649059S1 (en)	2008-06-24	2011-11-22	Colgate-Palmolive Company	Container

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2416692A (en)*	1945-09-11	1947-03-04	Bell Telephone Labor Inc	Impulse transmitter
NL208105A (en)*	1955-06-25	1900-01-01	Automatic Telephone & Elect
US3105122A (en)*	1960-05-09	1963-09-24	Bell Telephone Labor Inc	Space saver dial
US3108159A (en)*	1960-05-09	1963-10-22	Bell Telephone Labor Inc	Space saver dial

1921
- 1921-08-22USUS494281Apatent/US1556904A/ennot_activeExpired - Lifetime
- 1921-10-18USUS508478Apatent/US1556905A/ennot_activeExpired - Lifetime
1922
- 1922-01-11FRFR545783Dpatent/FR545783A/ennot_activeExpired
- 1922-07-31FRFR26710Dpatent/FR26710E/ennot_activeExpired
- 1922-09-13FRFR27583Dpatent/FR27583E/ennot_activeExpired

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USD614496S1 (en)	2008-06-24	2010-04-27	Colgate-Palmolive Company	Upper portion of a container
USD614965S1 (en)	2008-06-24	2010-05-04	Colgate-Palmolive Company	Container
USD615408S1 (en)	2008-06-24	2010-05-11	Colgate-Palmolive Company	Lower portion of a container
USD616309S1 (en)	2008-06-24	2010-05-25	Colgate-Palmolive Company	Container
USD616759S1 (en)	2008-06-24	2010-06-01	Colgate-Palmolive Company	Container
USD616758S1 (en)	2008-06-24	2010-06-01	Colgate-Palmolive Company	Container
USD622607S1 (en)	2008-06-24	2010-08-31	Colgate-Palmolive Company	Container
USD649059S1 (en)	2008-06-24	2011-11-22	Colgate-Palmolive Company	Container

Also Published As

Publication number	Publication date
US1556905A (en)	1925-10-13
FR26710E (en)	1924-03-06
US1556904A (en)	1925-10-13
FR545783A (en)	1922-10-20

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