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FR27583E - Improvements to dial call devices - Google Patents

Improvements to dial call devices

Info

Publication number
FR27583E
FR27583E FR27583DA FR27583E FR 27583 E FR27583 E FR 27583E FR 27583D A FR27583D A FR 27583DA FR 27583 E FR27583 E FR 27583E
Authority
FR
France
Prior art keywords
call devices
dial call
dial
devices
call
Prior art date
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
French (fr)
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.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR27583E publication Critical patent/FR27583E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices 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
    • H04M1/34Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)
FR27583D 1921-08-22 1922-09-13 Improvements to dial call devices Expired FR27583E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494281A US1556904A (en) 1921-08-22 1921-08-22 Automatic calling device

Publications (1)

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

Family

ID=23963843

Family Applications (3)

Application Number Title Priority Date Filing Date
FR545783D Expired FR545783A (en) 1921-08-22 1922-01-11 Improvements to dial call devices
FR26710D Expired FR26710E (en) 1921-08-22 1922-07-31 Improvements to dial call devices
FR27583D Expired FR27583E (en) 1921-08-22 1922-09-13 Improvements to dial call devices

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR545783D Expired FR545783A (en) 1921-08-22 1922-01-11 Improvements to dial call devices
FR26710D Expired FR26710E (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
US3108159A (en) * 1960-05-09 1963-10-22 Bell Telephone Labor Inc Space saver dial
US3105122A (en) * 1960-05-09 1963-09-24 Bell Telephone Labor Inc Space saver dial

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

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