Cross-classroom and cross-institution item validation
US-9508266-B2 · Nov 29, 2016 · US
with audible presentation of the material to be studied (sound recording or reproducing G11B)
with audible presentation of the material to be studied (sound recording or reproducing G11B) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G09B5/04 |
| Official title | with audible presentation of the material to be studied (sound recording or reproducing G11B) |
| Display label | with audible presentation of the material to be studied (sound recording or reproducing G11B) |
| Total patents | 408 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 29 |
| 2017 | 45 |
| 2018 | 44 |
| 2019 | 48 |
| 2020 | 40 |
| 2021 | 43 |
| 2022 | 36 |
| 2023 | 40 |
| 2024 | 25 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Medicament delivery device for administration of opioid antagonists including formulations for naloxone
US-9474869-B2 · Oct 25, 2016 · US
Methods and systems for improving speech recognition
US-2016279417-A1 · Sep 29, 2016 · US
Emission of a Commencement Sound and a Conclusion Sound
US-2016275808-A1 · Sep 22, 2016 · US
Systems and methods for evaluating difficulty of spoken text
US-9449522-B2 · Sep 20, 2016 · US
Emission of a commencement sound and a conclusion sound
US-9445208-B2 · Sep 13, 2016 · US
Program products, methods, and systems for providing location-aware fitness monitoring services
US-9409052-B2 · Aug 9, 2016 · US
Skill judging device, skill judging method and storage medium
US-9406242-B2 · Aug 2, 2016 · US
Device for language processing enhancement in autism
US-2016210872-A1 · Jul 21, 2016 · US
Evaluating presentation data
US-2016189556-A1 · Jun 30, 2016 · US
Behavior adjustment using speech recognition system
US-2016155437-A1 · Jun 2, 2016 · US
Importing and analyzing external data using a virtual reality welding system
US-2016155358-A1 · Jun 2, 2016 · US
Importing and analyzing external data using a virtual reality welding system
US-2016155360-A1 · Jun 2, 2016 · US
Methods and systems for hybrid oversight of sample collection
US-2016151052-A1 · Jun 2, 2016 · US
Methods and systems for screening and treatment of infants demonstrating deficits in auditory processing
US-9320458-B2 · Apr 26, 2016 · US
Virtual mirror systems and methods for remotely training and/or supporting contact lens users
US-2016111017-A1 · Apr 21, 2016 · US
Method of identifying a wireless communication channel in a sound system
US-2016112815-A1 · Apr 21, 2016 · US
Product assembly assistance employing tagged components
US-2016104386-A1 · Apr 14, 2016 · US
Tagging scanned data with emotional tags, predicting emotional reactions of users to data, and updating historical user emotional reactions to data
US-9299268-B2 · Mar 29, 2016 · US
Importing and analyzing external data using a virtual reality welding system
US-9293057-B2 · Mar 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G09B5/04?
- CPC G09B5/04 is the Cooperative Patent Classification code for “with audible presentation of the material to be studied (sound recording or reproducing G11B).”
- How many patents are filed under CPC G09B5/04 (with audible presentation of the material to be studied (sound recording or reproducing G11B))?
- Our database includes 408 publications tagged with this CPC code.
- Is patent activity under CPC G09B5/04 growing?
- Publication counts under this code: 25 in 2024 vs 17 in 2025 (latest complete years).