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CPC
H04L15/08
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04L
TRANSMISSION OF DIGITAL INFORMATION
H04L15/00
Apparatus or local circuits for transmitting or receiving dot-and-dash codes
Current Industry
H04L15/08
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Patents Grants
last 30 patents
Information
Patent Grant
Mechanism to transmit text messages using ring time
Patent number
9,668,116
Issue date
May 30, 2017
International Business Machines Corporation
Cristina Bonanni
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3588340
Patent number
3,588,340
Issue date
Jun 28, 1971
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3431354
Patent number
3,431,354
Issue date
Mar 4, 1969
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3387088
Patent number
3,387,088
Issue date
Jun 4, 1968
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3369230
Patent number
3,369,230
Issue date
Feb 13, 1968
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3293363
Patent number
3,293,363
Issue date
Dec 20, 1966
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3243799
Patent number
3,243,799
Issue date
Mar 29, 1966
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3166638
Patent number
3,166,638
Issue date
Jan 19, 1965
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3160705
Patent number
3,160,705
Issue date
Dec 8, 1964
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3098898
Patent number
3,098,898
Issue date
Jul 23, 1963
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3087037
Patent number
3,087,037
Issue date
Apr 23, 1963
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3041397
Patent number
3,041,397
Issue date
Jun 26, 1962
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3037566
Patent number
3,037,566
Issue date
Jun 5, 1962
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2988597
Patent number
2,988,597
Issue date
Jun 13, 1961
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2594071
Patent number
2,594,071
Issue date
Apr 22, 1952
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2548835
Patent number
2,548,835
Issue date
Apr 10, 1951
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2526001
Patent number
2,526,001
Issue date
Oct 17, 1950
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2517538
Patent number
2,517,538
Issue date
Aug 8, 1950
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2495377
Patent number
2,495,377
Issue date
Jan 24, 1950
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2481091
Patent number
2,481,091
Issue date
Sep 6, 1949
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2475257
Patent number
2,475,257
Issue date
Jul 5, 1949
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2459027
Patent number
2,459,027
Issue date
Jan 11, 1949
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2447088
Patent number
2,447,088
Issue date
Aug 17, 1948
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2437497
Patent number
2,437,497
Issue date
Mar 9, 1948
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2425457
Patent number
2,425,457
Issue date
Aug 12, 1947
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2373132
Patent number
2,373,132
Issue date
Apr 10, 1945
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2329531
Patent number
2,329,531
Issue date
Sep 14, 1943
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2325631
Patent number
2,325,631
Issue date
Jul 27, 1943
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2307480
Patent number
2,307,480
Issue date
Jan 5, 1943
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
2303734
Patent number
2,303,734
Issue date
Dec 1, 1942
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents