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Class Information
Number: 379/218
Name: Telephonic communications >
Description:










Sub-classes under this class:

Class Number Class Name Patents
379/1.01 Diagnostic testing, malfunction indication, or electrical condition measurement 343
379/110.01 Composite substation or terminal (e.g., having calculator, radio) 207
379/111 With usage measurement (e.g., call or traffic register) 388
379/142.01 Reception of calling information at substation in wireline communications system 583
379/143 With check operated control (e.g., paystation) 100
379/156 Multi-line or key substation system with selective switching and central switching office connection 207
379/167.01 Private (e.g., house or intercom) or single line system 52
379/177 Polystation line system (i.e., party line) 59
379/188 Call or terminal access alarm or control 209
379/201.01 Special services 1,190
379/219 Plural exchange network or interconnection 724
379/242 Centralized switching system 270
379/333 Concentrator or trunk selector 50
379/338 Repeater (e.g., voice frequency) 61
379/350 Supervisory or control line signaling 85
379/36 Free calling from paystation 16
379/37 Emergency or alarm communications (e.g., watchman's circuit) 549
379/387.01 Substation or terminal circuitry 258
379/398 Line equalization or impedance matching 328
379/399.01 Subscriber line or transmission line interface 631
379/406.01 Echo cancellation or suppression 585
379/414 Transmission line conditioning 71
379/418 Call signal generating (e.g., ringing or tone generator) 264
379/419 Terminal 123
379/441 Terminal accessory or auxiliary equipment 108
379/457 Miscellaneous 43
379/52 Including aid for handicapped user (e.g., visual, tactile, hearing aid coupling) 375
379/55.1 Having near field link (e.g., capacitive, inductive) 44
379/56.1 Having light wave or ultrasonic link for speech or paging signal 43
379/67.1 Audio message storage, retrieval, or synthesis 915
379/90.01 Telephone line or system combined with diverse electrical system or signalling (e.g., composite) 676
379/900 Internet (e.g., internet phone, webphone, internet-based telephony) 213
379/901 Virtual networks or virtual private networks 55
379/902 Auto-switch for an incoming voice data, or fax telephone call (e.g., comp/fax/tel) 108
379/903 Password 108
379/904 Auto-calling 53
379/905 Fax mail 38
379/906 Touchtone message transmission 26
379/907 Speech recognition via telephone system or component 8
379/908 Multimedia 126
379/909 Alternatives 48
379/910 Bar code or optical character reader with telephone 26
379/911 Distinctive ringing 44
379/912 Geographically adaptive 44
379/913 Person locator or person-specific 76
379/914 Programmable telephone component 57
379/916 Touch screen associated with telephone set 17
379/917 Voice menus 13


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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