FR27583E - Improvements to dial call devices - Google Patents
Improvements to dial call devicesInfo
- 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
Links
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)
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)
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)
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 |
-
1921
- 1921-08-22 US US494281A patent/US1556904A/en not_active Expired - Lifetime
- 1921-10-18 US US508478A patent/US1556905A/en not_active Expired - Lifetime
-
1922
- 1922-01-11 FR FR545783D patent/FR545783A/en not_active Expired
- 1922-07-31 FR FR26710D patent/FR26710E/en not_active Expired
- 1922-09-13 FR FR27583D patent/FR27583E/en not_active Expired
Cited By (8)
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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