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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 379 | TELEPHONIC COMMUNICATIONS |
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1.01 | DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT |
1.02 | Of audio message storage and retrieval |
1.03 | Of data transmission |
2 | Including fault responsive disconnection of tested component |
3 | Of hybrid or echo suppressor or canceller |
4 | Of repeater |
7 | For detection of eavesdropping device |
8 | With blocking of normal usage |
9 | Of centralized switching system |
9.01 | Software compatibility |
9.02 | Maintenance console |
9.03 | Trouble ticket reporting |
9.04 | Record or report generation |
9.05 | Backup system |
9.06 | Of line interface circuitry |
14 | Of plural exchange network |
10.01 | By automatic testing sequence |
12 | With dedicated testing line or trunk |
13 | Of call timing or charging equiment |
15.01 | Of switching equipment or network element |
15.02 | Advanced intelligent network (AIN) |
16 | Of switching path |
17 | Of switching selector |
18 | By use of call address signal |
19 | Rapid manual connecting structure for test equipment |
20 | Of switchboard element condition (e.g., lamp) |
21 | Using portable test set (e.g., handset type) |
22 | Of trunk or long line |
22.01 | By loopback |
22.02 | By analysis of injected tone signal |
22.03 | Fault detection or fault location on telephone link (e.g., continuity, leakage) |
22.04 | Of digital loop carrier |
22.06 | Having special connector |
22.07 | Telephone multiconducting wires (e.g., tip, ring and ground wires) |
22.08 | Noise |
23 | Of line signalling |
24 | Electrical parameter measurement (e.g., attenuation) |
25 | Conductor identification or location |
26.01 | Testing of network terminating interface, subscriber trunk interface, or service function |
27.01 | Testing of subscriber loop or terminal |
27.02 | By generating call signal |
27.03 | By analysis of testing signal |
27.04 | By automatic testing sequence (e.g., programmable, test, script or test call generation program) |
27.05 | Having protection circuit (e.g., surge or short circuit protector) |
27.06 | Having electromechanical switch or relay |
27.07 | Having plugging maintenance or test module |
27.08 | Including sampling measurement technique |
28 | Of data transmission instrument |
29.01 | Terminal arrangement to enable remote testing (e.g., testing interface) |
29.02 | By simulator (e.g., computer simulates testing personnel) |
29.03 | Voltage or current determination |
29.04 | Voltage or current detector |
29.05 | Metallic loop testing |
29.06 | By dialing back the calling terminal |
29.07 | For a fault caused by an off-hook status |
29.08 | For a fault caused by new added service or equipment (e.g., software compatible) |
29.09 | With historical operating information database |
29.1 | Visual output (e.g., printing, displaying) |
29.11 | Having telephone maintenance termination unit (e.g., MTU) |
30 | Loop impedance (e.g., resistance, capacitance) |
31 | Of line signalling generator (e.g., dial, tone code generator) |
32.01 | Monitoring |
36 | FREE CALLING FROM PAYSTATION |
37 | EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) |
38 | Personal monitoring (e.g., for the ill or infirm) |
39 | Responsive to sensed nonsystem condition |
40 | Automatic dialing |
41 | Transmission of recorded audio message |
42 | Plural conditions |
43 | Fire |
44 | Intrusion |
45 | Central office responsive to emergency call or alarm (e.g., "911", operator position display) |
46 | Called line or station condition responsive (e.g., recall if busy) |
47 | Plural alarms over single line |
48 | Announcement or alarm received at terminal station (e.g., "butt-in", alarm) |
49 | Central station with plural substations |
50 | By pulse or digital signal |
51 | With automatic dialing or transmission of recorded audio message |
52 | INCLUDING AID FOR HANDICAPPED USER (E.G., VISUAL, TACTILE, HEARING AID COUPLING) |
55.1 | HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE) |
56.1 | HAVING LIGHT WAVE OR ULTRASONIC LINK FOR SPEECH OR PAGING SIGNAL |
56.2 | Including fiber optic link within telephone network |
56.3 | Including infra-red link with landline telephone network |
67.1 | AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS |
68 | Dynamic audio signal recording or reproduction |
69 | Call originating |
70 | Call intercept or answering |
71 | Consecutive use of recorded phrases or words to form message |
72 | Sequential or repeated announcement during single call initiated cycle |
73 | Plural record carrier channels |
74 | Remote control over telephone line |
78 | Acoustic coupling |
79 | With specified call initiated cycle control circuitry |
80 | Voice signal presence responsive |
81 | Call termination responsive (e.g., hang-up) |
82 | Having specified call initiation (e.g., ringing) responsive circuitry |
83 | Structural detail of storage medium drive |
84 | At switching facility (e.g., central office, switchboard) |
85 | Recording of telephone signal during normal operation |
87 | Reproduced signal distributed over telephone line |
88.01 | Voice activation or recognition |
88.02 | Voice verification (e.g., voice authorization, voiceprint, etc.) |
88.03 | Voice dialing |
88.04 | Voice controlled message management |
88.05 | Multilingual system or operation |
88.07 | Digital signal processing (DSP) |
88.08 | Message signal analysis |
88.09 | Statistical analysis (e.g., time, date, length of message, etc.) |
88.1 | Including data compression |
88.11 | Display of message related information |
88.12 | Indication or notification of message |
88.13 | Multimedia system (e.g., voice output combined with fax, video, text, etc.) |
88.16 | Voice message synthesis |
88.17 | Interaction with an external nontelephone network (e.g., Internet) |
88.18 | Interacting voice message systems |
88.19 | Call source identification |
88.22 | Message management |
90.01 | TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) |
91.01 | Credit authorization |
92.01 | Polling |
93.01 | Having transmission of a digital message signal over a telephone line |
93.02 | Access restricting |
93.05 | Terminal interface circuitry |
93.08 | Transmission scheme (e.g., compression/decompression, transmission rate) |
93.09 | Switching between different terminal types (e.g., voice/data switch) |
93.12 | Sales, ordering, or banking system |
93.13 | Amusement (e.g., game, lottery) |
93.14 | Having switching station |
93.17 | Having station display |
93.18 | Having tone code recognition for generating alphanumeric characters |
93.19 | Having pressure or position sensitive surface (e.g., touch-screen, light pen) |
93.21 | Having conferencing |
93.22 | At pay station |
93.23 | Having user information display (e.g., telephone number, name, address, etc.) |
93.24 | Having electronic mail |
93.25 | Having remote database (e.g., videotex system) |
93.26 | By voice frequency signal (e.g., tone code) |
100.01 | To produce visual-graphic copy (e.g., facsimile) |
100.02 | Having detachable device (e.g., detachable storage medium, scanner) |
100.03 | Usage system |
100.04 | Communication charge calculation |
100.05 | Monitoring |
100.06 | Communication status notification |
100.07 | Using mark sheet |
100.08 | Electronic mailbox |
100.09 | Relay system |
100.11 | From a library |
100.12 | Connection to plural networks or lines |
100.13 | Format conversion |
100.14 | Call signal generation (e.g., auto-dial) |
100.15 | Having switching to other communication modes |
100.17 | Transmission scheme |
101.01 | Audio program distribution |
102.01 | Remote control |
102.02 | Communication device |
102.05 | Of heating, ventilation, air conditioner (e.g., HVAC) |
102.06 | Of physical entrance or exit lock |
102.07 | Having indication |
106.01 | Remote indication over telephone line (e.g., telemetry) |
106.02 | Patient monitoring |
106.03 | Meter reading |
106.04 | Having power supply circuitry |
106.05 | Having ringing suppression |
106.06 | Having time window |
106.07 | Having interrogation signal |
106.08 | Having line status detection |
106.09 | Ringing suppression |
106.11 | Interrogation signal |
108.01 | Telegraphy |
110.01 | COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING CALCULATOR, RADIO) |
111 | WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) |
112.01 | Call traffic recording by computer or control processor |
112.02 | Redundant processor or backup processor |
112.03 | Estimating blocking probability |
112.04 | Threshold or limiting control (e.g., gapping control) |
112.05 | Optimization network configuration |
112.06 | Generalized statistics about telephone network usage |
114.01 | Call charge metering or monitoring |
114.02 | Least cost |
114.03 | Billing computing software or program |
114.04 | Charge error detection |
114.05 | Special service fees (e.g., customized feature) |
114.06 | Variable rate |
114.1 | Incentive billing |
114.14 | Fraud detection or control |
114.15 | Calling card |
114.16 | Recharging or replenishing an account or calling card |
114.17 | Monitoring account or card usage balance |
114.18 | Having complementary item (e.g., novelty) |
114.19 | Credit card |
114.2 | Pre-paid calling account or card |
114.21 | Redirect billing |
114.22 | Split billing or cost sharing |
114.23 | Third party billing |
114.24 | 1-800 billing |
114.25 | 1-900 billing |
114.26 | Based on unique account code |
114.27 | Portable number billing |
114.28 | Advanced intelligent billing network (e.g., a billing service control processor) |
115.01 | Interexchange billing operation |
115.02 | Long distance billing |
115.03 | Interfacing with foreign exchange |
116 | Hardcopy record generating |
117 | Of station on polystation or party line |
119 | Hardcopy record generating (e.g., ticket printing) |
121.01 | At local exchange carrier (e.g., central switching office) |
121.02 | Discount charge rate or billing plan |
121.03 | Multiple billing account |
121.04 | Detail of call history and rates database |
121.06 | Having network terminating point receiving registration from subscriber terminal |
122 | With display |
123 | Paystation (e.g., escrow control) |
124 | Pulse counting or accumulating (e.g., "message metering") |
125 | Local or zone |
126 | Assembling billing record (e.g., automatic message account (AMA), call detail record (CDR), etc.) |
127.01 | Having line identification associated with call billing (e.g., automatic number identification (ANI) |
128 | Time of day controlled |
129 | Manually set (e.g., key and lock) |
130 | At subscriber station |
133 | Call traffic recording or monitoring |
142.01 | RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM |
142.02 | Blocking caller ID transmission |
142.04 | Extracting call ID from transmitted signal |
142.05 | Authentication or authorization |
142.06 | Matching and retrieving stored caller ID information from a database |
142.07 | Routing an incoming call on multiple lines to a particular appliance (e.g., facsimile, computer, or telephone) |
142.08 | Call waiting associated with caller ID information |
142.09 | Non-assigned telephone number indication |
142.1 | Caller location indication (e.g., city, state, etc.) |
142.11 | Caller local time indication |
142.12 | Including master-slave modules, parent-child terminals, or controller-adjunct units |
142.13 | Adaptive module coupled to telephone line or telephone device |
142.15 | Connecting to an external information processing terminal (e.g., computer) |
142.16 | Having broadband premise equipment (e.g., TV) |
142.17 | Having display unit |
142.18 | Including DTMF signal |
143 | WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) |
144.01 | Other than coin |
144.02 | Collect calling from payphone |
144.03 | Fraud detection in payphone |
144.04 | Card reader |
144.05 | Payphone service associated or integrated with other communication device (e.g., computer, fax, etc.) |
144.06 | Special circuitry for processing accounting data |
144.07 | Information message notification at paystation |
145 | Fraud or interference prevention |
146 | Coin signalling or control |
147 | Coin box audit or totalizer |
148 | Denomination |
149 | Post-pay coin collection |
150 | Coin disposition (i.e., return or collection) |
154 | At central office |
155 | At terminal station (e.g., coin paystation) |
156 | MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION |
157 | With special service |
159 | With intercom system |
161 | With exclusion or priority feature (e.g., lockout or privacy) |
162 | Detail of hold circuitry |
164 | Line status indication or call alerting |
165 | Switching or supervision feature (e.g., common control, digital) |
166 | Detail of line circuit or line card |
167.01 | PRIVATE (E.G., HOUSE OR INTERCOM) OR SINGLE LINE SYSTEM |
167.02 | At collective house |
167.03 | At booth (e.g., at theater, gas station, etc.) |
167.05 | Doorbell system |
167.06 | Having access code |
167.07 | Having remote controlling station (e.g., gate guard or attendant) |
167.08 | Call addressing or announcing |
167.11 | Having connection to telephone line |
167.12 | Having display |
167.13 | Having telephone adaptor system |
167.14 | Two-way voice channel |
167.15 | Having transducer circuitry |
168 | Lockout |
170 | With paging |
171 | Having plural stations with selective calling (e.g., master) |
173 | With call addressing |
174 | Including body or apparel supported terminal (e.g., headgear) |
176 | With central power source |
177 | POLYSTATION LINE SYSTEM (I.E., PARTY LINE) |
178 | Revertive call |
179 | Call alerting (e.g., ringing) |
182 | Automatic or unattended |
185 | Portable or mobile |
186 | Central power source |
187 | Connected to central office |
188 | CALL OR TERMINAL ACCESS ALARM OR CONTROL |
189 | Fraud or improper use mitigating or indication (e.g., "blue box", "black box") |
190 | Time out |
194 | Lockout or double use signalling |
196 | At switching center |
199 | At substation |
201.01 | SPECIAL SERVICES |
201.02 | Service profile (e.g., calling service) |
201.03 | Creation of service (e.g., using object oriented programming, primitive, function) |
201.04 | Display arrangement |
201.05 | Distribution of service (e.g., downloading, uploading) |
201.06 | Locating using diverse technology (e.g., using infrared badge, sensor, card reader) |
201.07 | Called party |
201.08 | Calling party |
201.09 | Object |
201.1 | Detecting presence or absence of party or object |
201.11 | Anonymous party (e.g., protection of called or calling party's identity, privacy) |
201.12 | Provisioning |
202.01 | Conferencing |
207.01 | Three-way calling |
207.02 | Service trigger (activation or deactivation) |
207.03 | Time (e.g., time of day, expiration of time period, time zone, date) |
207.04 | Line or loop condition |
207.05 | Busy signal (e.g., off hook) |
207.06 | Transition from off-hook to on-hook (e.g., busy to idle, hook flash) |
207.07 | Transition from on-hook to off-hook (e.g., idle to busy) |
207.08 | No answer (e.g., ringing signal, on-hook, idle) |
207.11 | Service access code |
207.12 | Party location |
207.13 | Party identification or validation (e.g., personal identification number (PIN)) |
207.14 | Dialed number identification service (DNIS) |
207.15 | Automatic number identification or calling number identification (ANI or CLID) |
207.16 | Ringing signal (e.g. having a predetermined cadence or distinctive ring) |
208.01 | Priority override (e.g., butt-in) |
209.01 | Repetitive call attempts (e.g., camp-on-busy, retry) |
210.01 | Reserved call (e.g., return call, call back, scheduled call, reestablished call) |
210.02 | Call blocking |
211.01 | Call diversion (e.g., call capture) |
211.02 | Call forwarding |
212.01 | Call transfer |
213.01 | Intercept (e.g., dead or changed number) |
214.01 | Secretarial or answering service |
215.01 | Call Waiting |
216.01 | Abbreviated dialing or direct call (e.g., hot line) |
217.01 | Audible paging |
218.01 | Automatic directory service (e.g., on-line) |
218.02 | Performed by operator (e.g., butt-in, busy verification) |
219 | PLURAL EXCHANGE NETWORK OR INTERCONNECTION |
220.01 | With interexchange network routing |
221.01 | Alternate routing |
221.02 | Service provider selection (e.g., local or long distance, primary and alternate carriers) |
221.03 | Failure (e.g., disaster, overload, blockage) |
221.05 | Based upon historical data |
221.06 | Algorithm (e.g., software, computer program) |
221.08 | Advanced intelligent network (AIN) |
221.09 | Service control point (SCP, ISCP, external database) |
221.1 | Signal transfer point (STP, ISTP) |
221.11 | Adjunct or intelligent peripheral (IP) |
221.12 | Service switching point (SSP) |
221.13 | Local number portability (LNP) |
221.14 | Routing parameter (e.g., area code, address, service provider identifier) |
221.15 | Connection call model (e.g., virtual network, displayed models) |
222 | Toll center |
224 | Tandem switching center |
225 | Multi-PBX interconnection |
226 | Having a manual exchange |
229 | Interexchange signalling |
242 | CENTRALIZED SWITCHING SYSTEM |
243 | Class of service determination or transmission |
245 | Identification |
250 | Four-wire switching |
251 | With generating of call associated substation signal |
252 | For alerting signal at called station (e.g., ringing) |
256 | Having automatic or through ringing |
257 | For calling station (e.g., status or progress tones) |
265.01 | Call distribution to operator |
265.02 | Automatic call distributor (ACD) system |
265.03 | Reporting status (e.g., supervisory reporting) |
265.04 | Log-on or log-off of agent |
265.05 | Agent assignment (e.g., allocation of agent's time to a specific task) |
265.06 | Monitoring agent performance (e.g., quality of agent's performance) |
265.09 | Having a multimedia feature (e.g., connected to Internet, E-mail, etc.) |
265.1 | Predictive (e.g., anticipating next available agent) |
265.11 | Routing to available agent |
265.12 | Based on agent's skill (e.g., language spoken by agent) |
265.13 | Based on type of call |
265.14 | Based on time (e.g., longest waiting agent) |
266.01 | Call or agent queuing |
266.02 | Based on type of call |
266.03 | Based on time (e.g., age of queued call, time of day, date) |
266.04 | Overflow (e.g., queue-to-queue, ACD-to-ACD) |
266.05 | Split |
266.06 | Estimating or reporting waiting time |
266.07 | Call campaign (e.g., script, application, inbound/outbound balancing) |
266.09 | Home agent |
266.1 | Call record |
258 | Switching controlled in response to called station addressing signal |
259 | Including deflected electron beam switching device or mechanical or optical switching control (e.g., fluidic) |
260 | With operator position or completion of call (e.g., dial "O", semiautomatic) |
268 | Having shared or common switching control |
269 | Distributed control |
270 | In-stage or interstage scanning (e.g., link scanning) |
271 | Having multistage switching |
272 | Path selection or routing |
278 | Interstage junctor or "trunk" |
279 | Control reliability (e.g., redundancy) |
280 | Including registering or storing device for call address signal |
281 | Conversion between dial pulse and voice frequency signal |
282 | Voice frequency receiver |
284 | With processor |
285 | With magnetic memory |
286 | Signal processing (e.g., dial pulse analysis) |
287 | Electronic |
288 | Register-sender |
289 | Translator |
290 | With time division of control or supervisory signals |
291 | With detail of crosspoint switching structure (e.g., crossbar) |
293 | Having line finder |
296 | With repeater |
297 | Having specified busy-idle test |
298 | Direct control |
299 | Step-by-step system |
300 | Having plural wiper sets |
301 | Having potential control |
302 | Having rotary switch |
303 | Coordinate system (e.g., X-Y) |
304 | All relay type |
305 | Having motor-driven switch |
306 | With crosspoint switch detail |
307 | With power supply |
308 | Switching apparatus for connecting calling line to operator's position |
310 | Divided central (e.g., communication between switchboards) |
312 | Having multiple answering jacks for multiplied line |
313 | Multiple section switchboard |
315 | With line-signal control |
319 | Single switchboard (e.g., cord circuit) |
322 | Power supply |
325 | Structure of equipment |
331 | Having protective circuit |
332 | Plug and socket |
333 | CONCENTRATOR OR TRUNK SELECTOR |
334 | Concentrator-distributor pair (e.g., line concentrator) |
335 | Using crossbar or crosspoint switching |
336 | With magnet, electromagnet, or relay |
337 | With busy-idle test (e.g., idle trunk finder) |
338 | REPEATER (E.G., VOICE FREQUENCY) |
339 | With signal conversion (e.g., dial to DTMF, analog to PCM) |
340 | Having line length compensation or equalization |
341 | Pulse or tone repeater (e.g., electromechanical relay) |
343 | Controlled by a pilot or reference signal |
344 | Component processes bidirectional signals |
346 | With frequency discriminator or negative impedance element |
347 | With gain or attenuation control |
348 | Transmission of power to distant repeater |
349 | Having voice frequency transformer |
406.01 | ECHO CANCELLATION OR SUPPRESSION |
406.02 | Combined diverse function |
406.04 | Disable or inhibit function |
406.05 | Residual echo cancellation |
406.06 | Using digital signal processing |
406.07 | Using attenuator |
406.08 | Adaptive filtering |
406.11 | Convolution processing |
406.12 | Frequency domain analysis |
406.15 | Additional analog processing |
406.16 | Having analog variolosser or attenuator |
350 | SUPERVISORY OR CONTROL LINE SIGNALING |
351 | Signalling integrity protection (e.g., voice signal immunity) |
352 | Substation originated |
353 | Conversion of signal form |
354 | With called number display |
355.01 | Repertory or abbreviated call signal generation |
355.02 | Call address signal stored in terminal |
355.04 | Call address signal stored in network |
355.05 | Modification of call address signal for abbreviated dialing |
355.06 | Modification by other than key input |
355.07 | Including modification of indicia associated with a call address |
355.08 | Including prefix in the call address signal |
355.09 | Selection of registered call address signal |
356.01 | Including dynamic memory |
357.01 | Insertable control element or circuitry (e.g., card) |
357.03 | Acoustical generation |
357.04 | Circuitry of call signal generator |
357.05 | Including solid state memory storage |
358 | By motor driven dial rotating device |
359 | Pulse signal generating (e.g., dialing) |
360 | Voice frequency band signalling (e.g., reed devices) |
362 | Pulse signal generator (e.g., rotary dial) |
363 | Control of motor driven dial rotating device |
364 | With nonrotary actuator (e.g., key or slide type) |
365 | Specified switching contact (e.g., contact spring) |
366 | With detail of dial return mechanism (e.g., driving spring, speed governor) |
367 | Finger wheel or mechanical adjunct (e.g., finger stop) |
368 | Plural-switch number input device (e.g., keypad) |
369 | Detail of mounting of switch pad or dial |
371 | Magneto signalling |
372 | Signal reception at substation |
373.01 | Incoming call alerting |
373.02 | Distinctive or selective alerting |
373.03 | Registration of alerting signal in association with incoming signal |
373.05 | Directing incoming call to local appliance |
374.01 | Including musical sound generation |
374.02 | Including audible message generation |
374.03 | Alerting by other than sight or sound (e.g., vibration) |
375.01 | Having electronic call sounder (e.g., tone "ringer") |
376.01 | Visual indication of incoming call (e.g., LED or light bulb) |
376.02 | Silencing ring signal |
377 | Using line or loop condition detection (e.g., line circuit) |
378 | With current controlling electromagnetic core device (e.g., Hall-effect device) |
379 | With optical link between line and switching system |
380 | By bridge circuit |
381 | Busy test or make busy |
382 | For ring trip or polarity reversal detection |
383 | Of plural lines |
385 | Relayless |
386 | Signal receiver (e.g., tone decoder) |
387.01 | SUBSTATION OR TERMINAL CIRCUITRY |
387.02 | Conversion of signal form (e.g., A/D, frequency or phase) |
388.01 | For loudspeaking terminal |
388.02 | Speakerphone with build-in microphone |
388.04 | Voice control of transmission direction |
388.05 | Voice switching by attenuation/amplification |
388.06 | Comparing signal level of receiving and transmitting circuits |
388.07 | Controlling acoustic feedback |
390.01 | Amplification or attenuation level control |
391 | Sidetone control or hybrid circuit (e.g., induction coil) |
392.01 | Noise suppression |
393 | Hold circuit |
394 | Impedance matching or line equalizing |
395 | Amplifying (e.g., AGC or AVC) |
395.01 | Power control or detection circuit |
396 | Visual signalling (e.g., lamp) |
397 | Wire distribution |
398 | LINE EQUALIZATION OR IMPEDANCE MATCHING |
399.01 | SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE |
399.02 | Circuitry to provide a coder and decoder function |
400 | For line length compensation |
402 | Hybrid circuit |
412 | Protective circuit |
413 | Power supply (e.g., battery feed) |
413.02 | Network interface device (NLD) |
414 | TRANSMISSION LINE CONDITIONING |
418 | CALL SIGNAL GENERATING (E.G., RINGING OR TONE GENERATOR) |
419 | TERMINAL |
420.01 | Having loudspeaking conversation capability (e.g., hands- free type or speakerphone) |
420.02 | Hands-free loudspeaker feature |
420.03 | Hands-free microphone feature |
420.04 | Hands-free accesory or attachment |
421 | Having muting |
422 | Switch or switch actuator structure |
428.01 | Housing or housing component |
428.02 | Handset or headset combined with telephone base |
428.03 | Display on telephone base |
428.04 | Base having detachable accessory |
429 | Having distinct circuitry support structure (e.g., circuit board) |
430 | Body supported (e.g., headgear) |
431 | Separate housings for earphone and microphone (e.g., candlestick type) |
433.01 | Handset structure |
433.02 | Speaker mounting (i.e., speaker phone feature) |
433.03 | Microphone mounting |
433.04 | Display on handset |
433.05 | Connector |
433.06 | Button or switch having specific function |
433.08 | Battery |
433.09 | Card (e.g., SIM or magnetic strip card) |
433.1 | Handset having special feature (e.g., wrist watch) |
433.11 | Moveable or removeable element (e.g., cover) |
432 | Loudspeaking set |
434 | Specified terminal configuration (e.g., novelty type) |
435 | Wall set or convertible type |
436 | Desk set |
437 | Protective structure |
440 | Casing or enclosure, per se |
441 | TERMINAL ACCESSORY OR AUXILIARY EQUIPMENT |
442 | With circuit connection to terminal |
443 | Including coupler (e.g., inductive) |
445 | Locking device |
446 | Telephone receiver support |
447 | Attachable to terminal housing |
451 | Protective structure |
453 | Hood or enclosure (e.g., booth) |
454 | Support or stand |
456 | Dialing tool |
457 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | INTERNET (E.G., INTERNET PHONE, WEBPHONE, INTERNET-BASED TELEPHONY) |
901 | VIRTUAL NETWORKS OR VIRTUAL PRIVATE NETWORKS |
902 | AUTO-SWITCH FOR AN INCOMING VOICE DATA, OR FAX TELEPHONE CALL (E.G., COMP/FAX/TEL) |
903 | PASSWORD |
904 | AUTO-CALLING |
905 | FAX MAIL |
906 | TOUCHTONE MESSAGE TRANSMISSION |
907 | SPEECH RECOGNITION VIA TELEPHONE SYSTEM OR COMPONENT |
908 | MULTIMEDIA |
909 | ALTERNATIVES |
910 | BAR CODE OR OPTICAL CHARACTER READER WITH TELEPHONE |
911 | DISTINCTIVE RINGING |
912 | GEOGRAPHICALLY ADAPTIVE |
913 | PERSON LOCATOR OR PERSON-SPECIFIC |
914 | PROGRAMMABLE TELEPHONE COMPONENT |
916 | TOUCH SCREEN ASSOCIATED WITH TELEPHONE SET |
917 | VOICE MENUS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
FOR100 | HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE) (379/55) |
FOR101 | HAVING ELECTROMAGNETIC LINK FOR SPEECH OR PAGING SIGNAL (E.G., LIGHT WAVE LINK) (379/56) |
FOR112 | TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) (379/90) |
FOR113 | Credit authorization (379/91) |
FOR114 | Polling (e.g., audience survey) (379/92) |
FOR115 | With transmission of a digital message signal over a telephone line (379/93) |
FOR116 | Including switching station (379/94) |
FOR117 | Access restricting (379/95) |
FOR118 | Including terminal for display of digital information (379/96) |
FOR119 | By voice frequency signal (e.g., tone code) (379/97) |
FOR122 | To produce visual-graphic copy reproduction (e.g., facsimile) (379/100) |
FOR123 | Audio program distribution (379/101) |
FOR124 | Remote control (379/102) |
FOR125 | Of entrance or exit lock (379/103) |
FOR126 | With indication (379/104) |
FOR127 | From terminal (379/105) |
FOR128 | Remote indication over telephone line (e.g., telemetry) (379/106) |
FOR130 | Telegraphy (379/108) |
FOR132 | COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING CALCULATOR, RADIO) (379/110) |
FOR133 | WITH AUDIO MESSAGE STORAGE AND RETRIEVAL (379/67) |
FOR134 | Stored in digital form (379/88) |
FOR136 | DIAGNOSTIC TESTING, MALFUNCTION, INDICATION, OR ELECTRICAL CONDITION MEASUREMENT (379/1) |
FOR137 | By loopback (379/5) |
FOR138 | By analysis of injected tone signal (379/6) |
FOR139 | By automatic testing sequence (e.g., programmable, scanning) (379/10) |
FOR140 | Of automatic switching equipment (379/15) |
FOR142 | Of subscriber loop or terminal (379/27) |
FOR144 | Indication of nonstandard condition of telephone equipment (379/32) |
FOR146 | Computer or processor control (379/112) |
FOR150 | AT CENTRAL OFFICE (379/121) |
FOR152 | WITH CALLING NUMBER DISPLAY OR RECORDING AT CALLED SUBSTATION (379/142) |
FOR153 | Other than coin (379/144) |
FOR154 | PRIVATE (E.G., HOUSE OR INTERCOM) OR SINGLE LINE SYSTEM (379/167) |
FOR155 | SPECIAL SERVICES (379/201) |
FOR158 | Subscriber control (379/204) |
FOR159 | Conference initiation by single calling sation (379/205) |
FOR162 | Priority override (e.g., butt-in) (379/208) |
FOR163 | Repetitive call attempts (e.g., camp-on-busy, retry) (379/209) |
FOR164 | Call diversion (e.g., call capture) (379/210) |
FOR165 | Call forwarding (379/211) |
FOR166 | Call transfer (379/212) |
FOR167 | Intercept (e.g., dead or changed number) (379/213) |
FOR168 | Secretarial or answering service (379/214) |
FOR169 | Call waiting (379/215) |
FOR170 | Abbreviated dialing or direct call (e.g., hot line) (379/216) |
FOR171 | Audible paging (379/217) |
FOR172 | Performed by operator (e.g., butt-in, busy verification) (379/218) |
FOR173 | With interexchange network routing (379/220) |
FOR174 | Alternate routing (379/221) |
FOR175 | Call distribution to operator (379/265) |
FOR176 | Call queuing (379/266) |
FOR177 | Repertory or abbreviated call signal generation (379/355) |
FOR178 | With dynamic memory (379/356) |
FOR180 | Incoming call alerting (e.g., ringing) (379/373) |
FOR181 | With music or audible message generation (379/374) |
FOR184 | SUBSTATION OR TERMINAL CIRCUITRY (379/387) |
FOR188 | SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE (379/399) |
FOR189 | Echo suppresion, antisinging, or reverse path blocking (379/406) |
FOR190 | Disable or inhibit (379/407) |
FOR191 | Control by pilot frequency signal (379/408) |
FOR192 | Having variolosser or attenuator (379/409) |
FOR193 | Echo cancellation (e.g., phase opposition) (379/410) |
FOR195 | Having loudspeaking conversation capability (e.g., hands-free type or speakerphone) (379/420) |
FOR196 | Housing or housing component (379/428) |
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