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  1. Technology classes
  2. /G · Physics
  3. /G10 · Musical instruments
  4. /G10H · Electrophonic musical instruments
  5. /G10H 2250/00 · Aspects of algorithms or signal processing methods without intrinsic musical character, yet
  6. /G10H 2250/315 · Sound category-dependent sound synthesis processes [gensound] for musical use
  7. /G10H 2250/395 · Gensound nature
  8. /G10H 2250/401
G10H 2250/401

Crowds

Official title: Crowds, e.g. restaurant, waiting hall, demonstration or subway corridor at rush hour

G10H2250/401 (Crowds) appears on 4 US grants and 2 published applications in this corpus.

Search patents in G10H

Where it sits

  1. GPhysics
  2. G10Musical instruments
  3. G10HElectrophonic musical instruments
  4. G10H 2250/00Aspects of algorithms or signal processing methods without intrinsic musical character, yet
  5. G10H 2250/315Sound category-dependent sound synthesis processes [gensound] for musical use
  6. G10H 2250/395Gensound nature
  7. G10H 2250/401Crowds
Granted patents
4
Published applications
2
Assignees
2
Inventors
10
Latest grant
8 May 2001

Filings by year

Granted patentsPublished applications
G10H 2250/401: granted patents and published applications per publication year
YearGranted patentsPublished applications
199310
199400
199500
199600
199710
199810
199900
200000
200110
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202100
202200
202300
202401
202501

1993200320132025

By publication year. Applications have been published since 2001.

Recent patents

  • Continuous sound by concatenating selected digital sound segments8 May 2001US 6,230,140 B1
  • Non-looped continuous sound by random sequencing of digital sound records3 Nov 1998US 5,832,431 A
  • Method of generating continuous non-looped sound effects27 May 1997US 5,633,985 A
  • Model railroad cattle car sound effects30 Nov 1993US 5,267,318 A
  • Audio output device28 Aug 2025US 2025/0273192 A1Pioneer Corporation
  • Special effect production system and methods useful in conjunction therewith5 Sep 2024US 2024/0298126 A1Cdi Holdings (1987) Ltd.

Most cited

By later US patents
  • Method of generating continuous non-looped sound effects202US 5,633,985 A1997
  • Model railroad cattle car sound effects45US 5,267,318 A1993
  • Non-looped continuous sound by random sequencing of digital sound records35US 5,832,431 A1998
  • Continuous sound by concatenating selected digital sound segments35US 6,230,140 B12001

Top assignees

Documents
  • CHCdi Holdings (1987) Ltd.1
  • Pioneer Corporation1

Often classified with

  • A63HToys4
  • G06FComputing and data processing1
  • G10KSound-producing devices1
  • H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers1
  • H04WWireless communication networks1
  • H05BElectric heating1
  • Y02BEnergy-efficient buildings1

Documents that also carry the other class.

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