|
gptkbp:instance_of
|
gptkb:intellectual_property
|
|
gptkbp:associated_with
|
gptkb:Bell_Telephone_Company
|
|
gptkbp:competitors
|
gptkb:Elisha_Gray
|
|
gptkbp:cultural_impact
|
changed communication methods
|
|
gptkbp:first_answering_machine
|
gptkb:1935
|
|
gptkbp:first_call_made
|
to Thomas Watson
|
|
gptkbp:first_commercial_telephone_service
|
1878
|
|
gptkbp:first_conference_call
|
1950s
|
|
gptkbp:first_cordless_phone
|
gptkb:1965
|
|
gptkbp:first_fax_machine
|
1843
|
|
gptkbp:first_international_call
|
1881
|
|
gptkbp:first_long-distance_call
|
1877
|
|
gptkbp:first_mobile_phone
|
gptkb:1973
|
|
gptkbp:first_payphone
|
1889
|
|
gptkbp:first_rotary_dial
|
1890s
|
|
gptkbp:first_smartphone
|
gptkb:1992
|
|
gptkbp:first_switchboard
|
1878
|
|
gptkbp:first_telephone_book
|
1878
|
|
gptkbp:first_telephone_booth
|
1890s
|
|
gptkbp:first_telephone_directory
|
1878
|
|
gptkbp:first_telephone_exchange
|
gptkb:New_Haven,_Connecticut
|
|
gptkbp:first_telephone_exchange_installation
|
1878
|
|
gptkbp:first_telephone_line
|
Boston to Somerville
|
|
gptkbp:first_telephone_line_installation
|
1877
|
|
gptkbp:first_telephone_pole
|
1877
|
|
gptkbp:first_telephone_service_in_africa
|
1890s
|
|
gptkbp:first_telephone_service_in_asia
|
1881
|
|
gptkbp:first_telephone_service_in_australia
|
1880s
|
|
gptkbp:first_telephone_service_in_europe
|
1878
|
|
gptkbp:first_telephone_service_in_south_america
|
1890s
|
|
gptkbp:first_video_call
|
gptkb:1964
|
|
gptkbp:first_voicemail_system
|
gptkb:1980s
|
|
gptkbp:first_wireless_telephone
|
1890s
|
|
gptkbp:function
|
transmit voice
|
|
gptkbp:has_reception
|
mixed reactions
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
first practical telephone
|
|
gptkbp:improves
|
subsequent inventors
|
|
gptkbp:influenced
|
social interactions
modern telecommunication systems
|
|
gptkbp:inspired
|
further research in acoustics
|
|
gptkbp:invention
|
gptkb:Alexander_Graham_Bell
gptkb:communication
1876
174465
|
|
gptkbp:is_a_supporter_of
|
gptkb:Philadelphia_Exposition
|
|
gptkbp:legacy
|
foundation for future telephones
|
|
gptkbp:marketed_as
|
1877
|
|
gptkbp:material
|
metal and wood
|
|
gptkbp:replaced_by
|
modern smartphones
|
|
gptkbp:significance
|
first successful commercial telephone
|
|
gptkbp:sound_transmission_method
|
gptkb:swimming_pool
|
|
gptkbp:technology
|
gptkb:Telecommunications
|
|
gptkbp:type
|
gptkb:smart_home_devices
|
|
gptkbp:used_in
|
early telephone exchanges
|
|
gptkbp:was_a_demonstration_of
|
March 10, 1876
|
|
gptkbp:bfsParent
|
gptkb:telephone_patent
gptkb:Bell's_electric_sound_transmitter
gptkb:Bell's_electric_speaking_telephone
gptkb:Bell's_electric_voice_machine
|
|
gptkbp:bfsLayer
|
4
|